|
|
@@ -1,3153 +1,3163 @@
|
|
|
-/**
|
|
|
- ******************************************************************************
|
|
|
- * @file SDIO/sdcard.c
|
|
|
- * @author MCD Application Team
|
|
|
- * @version V3.1.0
|
|
|
- * @date 06/19/2009
|
|
|
- * @brief This file provides all the SD Card driver firmware functions.
|
|
|
- ******************************************************************************
|
|
|
- * @copy
|
|
|
- *
|
|
|
- * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
|
|
|
- * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
|
|
|
- * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
|
|
|
- * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
|
|
|
- * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
|
|
|
- * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
|
|
|
- *
|
|
|
- * <h2><center>© COPYRIGHT 2009 STMicroelectronics</center></h2>
|
|
|
- */
|
|
|
-
|
|
|
-/* Includes ------------------------------------------------------------------*/
|
|
|
-#include "sdcard.h"
|
|
|
-#include <stm32f10x_dma.h>
|
|
|
-#include <stm32f10x_sdio.h>
|
|
|
-
|
|
|
+/**
|
|
|
+ ******************************************************************************
|
|
|
+ * @file SDIO/sdcard.c
|
|
|
+ * @author MCD Application Team
|
|
|
+ * @version V3.1.2
|
|
|
+ * @date 09/28/2009
|
|
|
+ * @brief This file provides all the SD Card driver firmware functions.
|
|
|
+ ******************************************************************************
|
|
|
+ * @copy
|
|
|
+ *
|
|
|
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
|
|
|
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
|
|
|
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
|
|
|
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
|
|
|
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
|
|
|
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
|
|
|
+ *
|
|
|
+ * <h2><center>© COPYRIGHT 2009 STMicroelectronics</center></h2>
|
|
|
+ */
|
|
|
+
|
|
|
+/* Includes ------------------------------------------------------------------*/
|
|
|
+#include "sdcard.h"
|
|
|
#include <rtthread.h>
|
|
|
-
|
|
|
-/** @addtogroup STM32F10x_StdPeriph_Examples
|
|
|
- * @{
|
|
|
- */
|
|
|
-
|
|
|
-/** @addtogroup SDIO_Example
|
|
|
- * @{
|
|
|
- */
|
|
|
-
|
|
|
-/* Private typedef -----------------------------------------------------------*/
|
|
|
-/* Private define ------------------------------------------------------------*/
|
|
|
-#define NULL 0
|
|
|
-#define SDIO_STATIC_FLAGS ((uint32_t)0x000005FF)
|
|
|
-#define SDIO_CMD0TIMEOUT ((uint32_t)0x00002710)
|
|
|
-#define SDIO_FIFO_Address ((uint32_t)0x40018080)
|
|
|
-
|
|
|
-/* Mask for errors Card Status R1 (OCR Register) */
|
|
|
-#define SD_OCR_ADDR_OUT_OF_RANGE ((uint32_t)0x80000000)
|
|
|
-#define SD_OCR_ADDR_MISALIGNED ((uint32_t)0x40000000)
|
|
|
-#define SD_OCR_BLOCK_LEN_ERR ((uint32_t)0x20000000)
|
|
|
-#define SD_OCR_ERASE_SEQ_ERR ((uint32_t)0x10000000)
|
|
|
-#define SD_OCR_BAD_ERASE_PARAM ((uint32_t)0x08000000)
|
|
|
-#define SD_OCR_WRITE_PROT_VIOLATION ((uint32_t)0x04000000)
|
|
|
-#define SD_OCR_LOCK_UNLOCK_FAILED ((uint32_t)0x01000000)
|
|
|
-#define SD_OCR_COM_CRC_FAILED ((uint32_t)0x00800000)
|
|
|
-#define SD_OCR_ILLEGAL_CMD ((uint32_t)0x00400000)
|
|
|
-#define SD_OCR_CARD_ECC_FAILED ((uint32_t)0x00200000)
|
|
|
-#define SD_OCR_CC_ERROR ((uint32_t)0x00100000)
|
|
|
-#define SD_OCR_GENERAL_UNKNOWN_ERROR ((uint32_t)0x00080000)
|
|
|
-#define SD_OCR_STREAM_READ_UNDERRUN ((uint32_t)0x00040000)
|
|
|
-#define SD_OCR_STREAM_WRITE_OVERRUN ((uint32_t)0x00020000)
|
|
|
-#define SD_OCR_CID_CSD_OVERWRIETE ((uint32_t)0x00010000)
|
|
|
-#define SD_OCR_WP_ERASE_SKIP ((uint32_t)0x00008000)
|
|
|
-#define SD_OCR_CARD_ECC_DISABLED ((uint32_t)0x00004000)
|
|
|
-#define SD_OCR_ERASE_RESET ((uint32_t)0x00002000)
|
|
|
-#define SD_OCR_AKE_SEQ_ERROR ((uint32_t)0x00000008)
|
|
|
-#define SD_OCR_ERRORBITS ((uint32_t)0xFDFFE008)
|
|
|
-
|
|
|
-/* Masks for R6 Response */
|
|
|
-#define SD_R6_GENERAL_UNKNOWN_ERROR ((uint32_t)0x00002000)
|
|
|
-#define SD_R6_ILLEGAL_CMD ((uint32_t)0x00004000)
|
|
|
-#define SD_R6_COM_CRC_FAILED ((uint32_t)0x00008000)
|
|
|
-
|
|
|
-#define SD_VOLTAGE_WINDOW_SD ((uint32_t)0x80100000)
|
|
|
-#define SD_HIGH_CAPACITY ((uint32_t)0x40000000)
|
|
|
-#define SD_STD_CAPACITY ((uint32_t)0x00000000)
|
|
|
-#define SD_CHECK_PATTERN ((uint32_t)0x000001AA)
|
|
|
-#define SD_VOLTAGE_WINDOW_MMC ((uint32_t)0x80FF8000)
|
|
|
-
|
|
|
-#define SD_MAX_VOLT_TRIAL ((uint32_t)0x0000FFFF)
|
|
|
-#define SD_ALLZERO ((uint32_t)0x00000000)
|
|
|
-
|
|
|
-#define SD_WIDE_BUS_SUPPORT ((uint32_t)0x00040000)
|
|
|
-#define SD_SINGLE_BUS_SUPPORT ((uint32_t)0x00010000)
|
|
|
-#define SD_CARD_LOCKED ((uint32_t)0x02000000)
|
|
|
-#define SD_CARD_PROGRAMMING ((uint32_t)0x00000007)
|
|
|
-#define SD_CARD_RECEIVING ((uint32_t)0x00000006)
|
|
|
-#define SD_DATATIMEOUT ((uint32_t)0x000FFFFF)
|
|
|
-#define SD_0TO7BITS ((uint32_t)0x000000FF)
|
|
|
-#define SD_8TO15BITS ((uint32_t)0x0000FF00)
|
|
|
-#define SD_16TO23BITS ((uint32_t)0x00FF0000)
|
|
|
-#define SD_24TO31BITS ((uint32_t)0xFF000000)
|
|
|
-#define SD_MAX_DATA_LENGTH ((uint32_t)0x01FFFFFF)
|
|
|
-
|
|
|
-#define SD_HALFFIFO ((uint32_t)0x00000008)
|
|
|
-#define SD_HALFFIFOBYTES ((uint32_t)0x00000020)
|
|
|
-
|
|
|
-/* Command Class Supported */
|
|
|
-#define SD_CCCC_LOCK_UNLOCK ((uint32_t)0x00000080)
|
|
|
-#define SD_CCCC_WRITE_PROT ((uint32_t)0x00000040)
|
|
|
-#define SD_CCCC_ERASE ((uint32_t)0x00000020)
|
|
|
-
|
|
|
-/* Following commands are SD Card Specific commands.
|
|
|
- SDIO_APP_CMD should be sent before sending these commands. */
|
|
|
-#define SDIO_SEND_IF_COND ((uint32_t)0x00000008)
|
|
|
-
|
|
|
-#define SDIO_INIT_CLK_DIV ((uint8_t)0xB2)
|
|
|
-#define SDIO_TRANSFER_CLK_DIV ((uint8_t)0x1)
|
|
|
-
|
|
|
-/* Private macro -------------------------------------------------------------*/
|
|
|
-/* Private variables ---------------------------------------------------------*/
|
|
|
-static uint32_t CardType = SDIO_STD_CAPACITY_SD_CARD_V1_1;
|
|
|
-static uint32_t CSD_Tab[4], CID_Tab[4], RCA = 0;
|
|
|
-static uint32_t DeviceMode = SD_POLLING_MODE;
|
|
|
-static uint32_t TotalNumberOfBytes = 0, StopCondition = 0;
|
|
|
-uint32_t *SrcBuffer, *DestBuffer;
|
|
|
-volatile SD_Error TransferError = SD_OK;
|
|
|
-__IO uint32_t TransferEnd = 0;
|
|
|
-__IO uint32_t NumberOfBytes = 0;
|
|
|
-SDIO_InitTypeDef SDIO_InitStructure;
|
|
|
-SDIO_CmdInitTypeDef SDIO_CmdInitStructure;
|
|
|
-SDIO_DataInitTypeDef SDIO_DataInitStructure;
|
|
|
-
|
|
|
-/* Private function prototypes -----------------------------------------------*/
|
|
|
-static SD_Error CmdError(void);
|
|
|
-static SD_Error CmdResp1Error(uint8_t cmd);
|
|
|
-static SD_Error CmdResp7Error(void);
|
|
|
-static SD_Error CmdResp3Error(void);
|
|
|
-static SD_Error CmdResp2Error(void);
|
|
|
-static SD_Error CmdResp6Error(uint8_t cmd, uint16_t *prca);
|
|
|
-static SD_Error SDEnWideBus(FunctionalState NewState);
|
|
|
-static SD_Error IsCardProgramming(uint8_t *pstatus);
|
|
|
-static SD_Error FindSCR(uint16_t rca, uint32_t *pscr);
|
|
|
-static uint8_t convert_from_bytes_to_power_of_two(uint16_t NumberOfBytes);
|
|
|
-static void GPIO_Configuration(void);
|
|
|
-static void DMA_TxConfiguration(uint32_t *BufferSRC, uint32_t BufferSize);
|
|
|
-static void DMA_RxConfiguration(uint32_t *BufferDST, uint32_t BufferSize);
|
|
|
-
|
|
|
-/* Private functions ---------------------------------------------------------*/
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Initializes the SD Card and put it into StandBy State (Ready
|
|
|
- * for data transfer).
|
|
|
- * @param None
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_Init(void)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
-
|
|
|
- /* Configure SDIO interface GPIO */
|
|
|
- GPIO_Configuration();
|
|
|
-
|
|
|
- /* Enable the SDIO AHB Clock */
|
|
|
- RCC_AHBPeriphClockCmd(RCC_AHBPeriph_SDIO, ENABLE);
|
|
|
-
|
|
|
- /* Enable the DMA2 Clock */
|
|
|
- RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA2, ENABLE);
|
|
|
-
|
|
|
- SDIO_DeInit();
|
|
|
-
|
|
|
- errorstatus = SD_PowerON();
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- /* CMD Response TimeOut (wait for CMDSENT flag) */
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- errorstatus = SD_InitializeCards();
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- /* CMD Response TimeOut (wait for CMDSENT flag) */
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Configure the SDIO peripheral */
|
|
|
- /* HCLK = 72 MHz, SDIOCLK = 72 MHz, SDIO_CK = HCLK/(2 + 1) = 24 MHz */
|
|
|
- SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
|
|
|
- SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
|
|
|
- SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
|
|
|
- SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
|
|
|
- SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
|
|
|
- SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
|
|
|
- SDIO_Init(&SDIO_InitStructure);
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Enquires cards about their operating voltage and configures
|
|
|
- * clock controls.
|
|
|
- * @param None
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_PowerON(void)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint32_t response = 0, count = 0;
|
|
|
- bool validvoltage = FALSE;
|
|
|
- uint32_t SDType = SD_STD_CAPACITY;
|
|
|
-
|
|
|
- /* Power ON Sequence -------------------------------------------------------*/
|
|
|
- /* Configure the SDIO peripheral */
|
|
|
- SDIO_InitStructure.SDIO_ClockDiv = SDIO_INIT_CLK_DIV; /* HCLK = 72MHz, SDIOCLK = 72MHz, SDIO_CK = HCLK/(178 + 2) = 400 KHz */
|
|
|
- SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
|
|
|
- SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
|
|
|
- SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
|
|
|
- SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
|
|
|
- SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
|
|
|
- SDIO_Init(&SDIO_InitStructure);
|
|
|
-
|
|
|
- /* Set Power State to ON */
|
|
|
- SDIO_SetPowerState(SDIO_PowerState_ON);
|
|
|
-
|
|
|
- /* Enable SDIO Clock */
|
|
|
- SDIO_ClockCmd(ENABLE);
|
|
|
-
|
|
|
- /* CMD0: GO_IDLE_STATE -------------------------------------------------------*/
|
|
|
- /* No CMD response required */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_GO_IDLE_STATE;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdError();
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- /* CMD Response TimeOut (wait for CMDSENT flag) */
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* CMD8: SEND_IF_COND --------------------------------------------------------*/
|
|
|
- /* Send CMD8 to verify SD card interface operating condition */
|
|
|
- /* Argument: - [31:12]: Reserved (shall be set to '0')
|
|
|
- - [11:8]: Supply Voltage (VHS) 0x1 (Range: 2.7-3.6 V)
|
|
|
- - [7:0]: Check Pattern (recommended 0xAA) */
|
|
|
- /* CMD Response: R7 */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = SD_CHECK_PATTERN;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_IF_COND;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp7Error();
|
|
|
-
|
|
|
- if (errorstatus == SD_OK)
|
|
|
- {
|
|
|
- CardType = SDIO_STD_CAPACITY_SD_CARD_V2_0; /* SD Card 2.0 */
|
|
|
- SDType = SD_HIGH_CAPACITY;
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- /* CMD55 */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
- }
|
|
|
- /* CMD55 */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
-
|
|
|
- /* If errorstatus is Command TimeOut, it is a MMC card */
|
|
|
- /* If errorstatus is SD_OK it is a SD card: SD card 2.0 (voltage range mismatch)
|
|
|
- or SD card 1.x */
|
|
|
- if (errorstatus == SD_OK)
|
|
|
- {
|
|
|
- /* SD CARD */
|
|
|
- /* Send ACMD41 SD_APP_OP_COND with Argument 0x80100000 */
|
|
|
- while ((!validvoltage) && (count < SD_MAX_VOLT_TRIAL))
|
|
|
- {
|
|
|
-
|
|
|
- /* SEND CMD55 APP_CMD with RCA as 0 */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = SD_VOLTAGE_WINDOW_SD | SDType;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_OP_COND;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp3Error();
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- response = SDIO_GetResponse(SDIO_RESP1);
|
|
|
- validvoltage = (bool) (((response >> 31) == 1) ? 1 : 0);
|
|
|
- count++;
|
|
|
- }
|
|
|
- if (count >= SD_MAX_VOLT_TRIAL)
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_VOLTRANGE;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (response &= SD_HIGH_CAPACITY)
|
|
|
- {
|
|
|
- CardType = SDIO_HIGH_CAPACITY_SD_CARD;
|
|
|
- }
|
|
|
-
|
|
|
- }/* else MMC Card */
|
|
|
- else
|
|
|
- {
|
|
|
- CardType = SDIO_MULTIMEDIA_CARD;
|
|
|
-
|
|
|
- /* Send CMD1 SEND_OP_COND with Argument 0x80FF8000 */
|
|
|
- while ((!validvoltage) && (count < SD_MAX_VOLT_TRIAL))
|
|
|
- {
|
|
|
-
|
|
|
- /* SEND CMD55 APP_CMD with RCA as 0 */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = SD_VOLTAGE_WINDOW_MMC;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_OP_COND;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp3Error();
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- response = SDIO_GetResponse(SDIO_RESP1);
|
|
|
- validvoltage = (bool) (((response >> 31) == 1) ? 1 : 0);
|
|
|
- count++;
|
|
|
- }
|
|
|
- if (count >= SD_MAX_VOLT_TRIAL)
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_VOLTRANGE;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return(SD_OK);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Turns the SDIO output signals off.
|
|
|
- * @param None
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_PowerOFF(void)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
-
|
|
|
- /* Set Power State to OFF */
|
|
|
- SDIO_SetPowerState(SDIO_PowerState_OFF);
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Intialises all cards or single card as the case may be.
|
|
|
- * Card(s) come into standby state.
|
|
|
- * @param None
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_InitializeCards(void)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint16_t rca = 0x01;
|
|
|
-
|
|
|
- if (SDIO_GetPowerState() == SDIO_PowerState_OFF)
|
|
|
- {
|
|
|
- errorstatus = SD_REQUEST_NOT_APPLICABLE;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_SECURE_DIGITAL_IO_CARD != CardType)
|
|
|
- {
|
|
|
- /* Send CMD2 ALL_SEND_CID */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_ALL_SEND_CID;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Long;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp2Error();
|
|
|
-
|
|
|
- if (SD_OK != errorstatus)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- CID_Tab[0] = SDIO_GetResponse(SDIO_RESP1);
|
|
|
- CID_Tab[1] = SDIO_GetResponse(SDIO_RESP2);
|
|
|
- CID_Tab[2] = SDIO_GetResponse(SDIO_RESP3);
|
|
|
- CID_Tab[3] = SDIO_GetResponse(SDIO_RESP4);
|
|
|
- }
|
|
|
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_SECURE_DIGITAL_IO_COMBO_CARD == CardType)
|
|
|
- || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
|
|
|
- {
|
|
|
- /* Send CMD3 SET_REL_ADDR with argument 0 */
|
|
|
- /* SD Card publishes its RCA. */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_REL_ADDR;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp6Error(SDIO_SET_REL_ADDR, &rca);
|
|
|
-
|
|
|
- if (SD_OK != errorstatus)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- }
|
|
|
- if (SDIO_MULTIMEDIA_CARD == CardType)
|
|
|
- {
|
|
|
- /* Send CMD3 SET_REL_ADDR with argument 0 */
|
|
|
- /* SD Card publishes its RCA. */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)(rca << 16);
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_REL_ADDR;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp2Error();
|
|
|
-
|
|
|
- if (SD_OK != errorstatus)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_SECURE_DIGITAL_IO_CARD != CardType)
|
|
|
- {
|
|
|
- RCA = rca;
|
|
|
-
|
|
|
- /* Send CMD9 SEND_CSD with argument as card's RCA */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)(rca << 16);
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_CSD;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Long;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp2Error();
|
|
|
-
|
|
|
- if (SD_OK != errorstatus)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- CSD_Tab[0] = SDIO_GetResponse(SDIO_RESP1);
|
|
|
- CSD_Tab[1] = SDIO_GetResponse(SDIO_RESP2);
|
|
|
- CSD_Tab[2] = SDIO_GetResponse(SDIO_RESP3);
|
|
|
- CSD_Tab[3] = SDIO_GetResponse(SDIO_RESP4);
|
|
|
- }
|
|
|
-
|
|
|
- errorstatus = SD_OK; /* All cards get intialized */
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Returns information about specific card.
|
|
|
- * @param cardinfo : pointer to a SD_CardInfo structure
|
|
|
- * that contains all SD card information.
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_GetCardInfo(SD_CardInfo *cardinfo)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint8_t tmp = 0;
|
|
|
-
|
|
|
- cardinfo->CardType = (uint8_t)CardType;
|
|
|
- cardinfo->RCA = (uint16_t)RCA;
|
|
|
-
|
|
|
- /* Byte 0 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[0] & 0xFF000000) >> 24);
|
|
|
- cardinfo->SD_csd.CSDStruct = (tmp & 0xC0) >> 6;
|
|
|
- cardinfo->SD_csd.SysSpecVersion = (tmp & 0x3C) >> 2;
|
|
|
- cardinfo->SD_csd.Reserved1 = tmp & 0x03;
|
|
|
-
|
|
|
- /* Byte 1 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[0] & 0x00FF0000) >> 16);
|
|
|
- cardinfo->SD_csd.TAAC = tmp;
|
|
|
-
|
|
|
- /* Byte 2 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[0] & 0x0000FF00) >> 8);
|
|
|
- cardinfo->SD_csd.NSAC = tmp;
|
|
|
-
|
|
|
- /* Byte 3 */
|
|
|
- tmp = (uint8_t)(CSD_Tab[0] & 0x000000FF);
|
|
|
- cardinfo->SD_csd.MaxBusClkFrec = tmp;
|
|
|
-
|
|
|
- /* Byte 4 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[1] & 0xFF000000) >> 24);
|
|
|
- cardinfo->SD_csd.CardComdClasses = tmp << 4;
|
|
|
-
|
|
|
- /* Byte 5 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[1] & 0x00FF0000) >> 16);
|
|
|
- cardinfo->SD_csd.CardComdClasses |= (tmp & 0xF0) >> 4;
|
|
|
- cardinfo->SD_csd.RdBlockLen = tmp & 0x0F;
|
|
|
-
|
|
|
- /* Byte 6 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[1] & 0x0000FF00) >> 8);
|
|
|
- cardinfo->SD_csd.PartBlockRead = (tmp & 0x80) >> 7;
|
|
|
- cardinfo->SD_csd.WrBlockMisalign = (tmp & 0x40) >> 6;
|
|
|
- cardinfo->SD_csd.RdBlockMisalign = (tmp & 0x20) >> 5;
|
|
|
- cardinfo->SD_csd.DSRImpl = (tmp & 0x10) >> 4;
|
|
|
- cardinfo->SD_csd.Reserved2 = 0; /* Reserved */
|
|
|
-
|
|
|
- if ((CardType == SDIO_STD_CAPACITY_SD_CARD_V1_1) || (CardType == SDIO_STD_CAPACITY_SD_CARD_V2_0))
|
|
|
- {
|
|
|
- cardinfo->SD_csd.DeviceSize = (tmp & 0x03) << 10;
|
|
|
-
|
|
|
- /* Byte 7 */
|
|
|
- tmp = (uint8_t)(CSD_Tab[1] & 0x000000FF);
|
|
|
- cardinfo->SD_csd.DeviceSize |= (tmp) << 2;
|
|
|
-
|
|
|
- /* Byte 8 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[2] & 0xFF000000) >> 24);
|
|
|
- cardinfo->SD_csd.DeviceSize |= (tmp & 0xC0) >> 6;
|
|
|
-
|
|
|
- cardinfo->SD_csd.MaxRdCurrentVDDMin = (tmp & 0x38) >> 3;
|
|
|
- cardinfo->SD_csd.MaxRdCurrentVDDMax = (tmp & 0x07);
|
|
|
-
|
|
|
- /* Byte 9 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[2] & 0x00FF0000) >> 16);
|
|
|
- cardinfo->SD_csd.MaxWrCurrentVDDMin = (tmp & 0xE0) >> 5;
|
|
|
- cardinfo->SD_csd.MaxWrCurrentVDDMax = (tmp & 0x1C) >> 2;
|
|
|
- cardinfo->SD_csd.DeviceSizeMul = (tmp & 0x03) << 1;
|
|
|
- /* Byte 10 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[2] & 0x0000FF00) >> 8);
|
|
|
- cardinfo->SD_csd.DeviceSizeMul |= (tmp & 0x80) >> 7;
|
|
|
-
|
|
|
- cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) ;
|
|
|
- cardinfo->CardCapacity *= (1 << (cardinfo->SD_csd.DeviceSizeMul + 2));
|
|
|
- cardinfo->CardBlockSize = 1 << (cardinfo->SD_csd.RdBlockLen);
|
|
|
- cardinfo->CardCapacity *= cardinfo->CardBlockSize;
|
|
|
- }
|
|
|
- else if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
|
|
|
- {
|
|
|
- /* Byte 7 */
|
|
|
- tmp = (uint8_t)(CSD_Tab[1] & 0x000000FF);
|
|
|
- cardinfo->SD_csd.DeviceSize = (tmp & 0x3F) << 16;
|
|
|
-
|
|
|
- /* Byte 8 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[2] & 0xFF000000) >> 24);
|
|
|
-
|
|
|
- cardinfo->SD_csd.DeviceSize |= (tmp << 8);
|
|
|
-
|
|
|
- /* Byte 9 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[2] & 0x00FF0000) >> 16);
|
|
|
-
|
|
|
- cardinfo->SD_csd.DeviceSize |= (tmp);
|
|
|
-
|
|
|
- /* Byte 10 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[2] & 0x0000FF00) >> 8);
|
|
|
-
|
|
|
- cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) * 512 * 1024;
|
|
|
- cardinfo->CardBlockSize = 512;
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- cardinfo->SD_csd.EraseGrSize = (tmp & 0x40) >> 6;
|
|
|
- cardinfo->SD_csd.EraseGrMul = (tmp & 0x3F) << 1;
|
|
|
-
|
|
|
- /* Byte 11 */
|
|
|
- tmp = (uint8_t)(CSD_Tab[2] & 0x000000FF);
|
|
|
- cardinfo->SD_csd.EraseGrMul |= (tmp & 0x80) >> 7;
|
|
|
- cardinfo->SD_csd.WrProtectGrSize = (tmp & 0x7F);
|
|
|
-
|
|
|
- /* Byte 12 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[3] & 0xFF000000) >> 24);
|
|
|
- cardinfo->SD_csd.WrProtectGrEnable = (tmp & 0x80) >> 7;
|
|
|
- cardinfo->SD_csd.ManDeflECC = (tmp & 0x60) >> 5;
|
|
|
- cardinfo->SD_csd.WrSpeedFact = (tmp & 0x1C) >> 2;
|
|
|
- cardinfo->SD_csd.MaxWrBlockLen = (tmp & 0x03) << 2;
|
|
|
-
|
|
|
- /* Byte 13 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[3] & 0x00FF0000) >> 16);
|
|
|
- cardinfo->SD_csd.MaxWrBlockLen |= (tmp & 0xC0) >> 6;
|
|
|
- cardinfo->SD_csd.WriteBlockPaPartial = (tmp & 0x20) >> 5;
|
|
|
- cardinfo->SD_csd.Reserved3 = 0;
|
|
|
- cardinfo->SD_csd.ContentProtectAppli = (tmp & 0x01);
|
|
|
-
|
|
|
- /* Byte 14 */
|
|
|
- tmp = (uint8_t)((CSD_Tab[3] & 0x0000FF00) >> 8);
|
|
|
- cardinfo->SD_csd.FileFormatGrouop = (tmp & 0x80) >> 7;
|
|
|
- cardinfo->SD_csd.CopyFlag = (tmp & 0x40) >> 6;
|
|
|
- cardinfo->SD_csd.PermWrProtect = (tmp & 0x20) >> 5;
|
|
|
- cardinfo->SD_csd.TempWrProtect = (tmp & 0x10) >> 4;
|
|
|
- cardinfo->SD_csd.FileFormat = (tmp & 0x0C) >> 2;
|
|
|
- cardinfo->SD_csd.ECC = (tmp & 0x03);
|
|
|
-
|
|
|
- /* Byte 15 */
|
|
|
- tmp = (uint8_t)(CSD_Tab[3] & 0x000000FF);
|
|
|
- cardinfo->SD_csd.CSD_CRC = (tmp & 0xFE) >> 1;
|
|
|
- cardinfo->SD_csd.Reserved4 = 1;
|
|
|
-
|
|
|
-
|
|
|
- /* Byte 0 */
|
|
|
- tmp = (uint8_t)((CID_Tab[0] & 0xFF000000) >> 24);
|
|
|
- cardinfo->SD_cid.ManufacturerID = tmp;
|
|
|
-
|
|
|
- /* Byte 1 */
|
|
|
- tmp = (uint8_t)((CID_Tab[0] & 0x00FF0000) >> 16);
|
|
|
- cardinfo->SD_cid.OEM_AppliID = tmp << 8;
|
|
|
-
|
|
|
- /* Byte 2 */
|
|
|
- tmp = (uint8_t)((CID_Tab[0] & 0x000000FF00) >> 8);
|
|
|
- cardinfo->SD_cid.OEM_AppliID |= tmp;
|
|
|
-
|
|
|
- /* Byte 3 */
|
|
|
- tmp = (uint8_t)(CID_Tab[0] & 0x000000FF);
|
|
|
- cardinfo->SD_cid.ProdName1 = tmp << 24;
|
|
|
-
|
|
|
- /* Byte 4 */
|
|
|
- tmp = (uint8_t)((CID_Tab[1] & 0xFF000000) >> 24);
|
|
|
- cardinfo->SD_cid.ProdName1 |= tmp << 16;
|
|
|
-
|
|
|
- /* Byte 5 */
|
|
|
- tmp = (uint8_t)((CID_Tab[1] & 0x00FF0000) >> 16);
|
|
|
- cardinfo->SD_cid.ProdName1 |= tmp << 8;
|
|
|
-
|
|
|
- /* Byte 6 */
|
|
|
- tmp = (uint8_t)((CID_Tab[1] & 0x0000FF00) >> 8);
|
|
|
- cardinfo->SD_cid.ProdName1 |= tmp;
|
|
|
-
|
|
|
- /* Byte 7 */
|
|
|
- tmp = (uint8_t)(CID_Tab[1] & 0x000000FF);
|
|
|
- cardinfo->SD_cid.ProdName2 = tmp;
|
|
|
-
|
|
|
- /* Byte 8 */
|
|
|
- tmp = (uint8_t)((CID_Tab[2] & 0xFF000000) >> 24);
|
|
|
- cardinfo->SD_cid.ProdRev = tmp;
|
|
|
-
|
|
|
- /* Byte 9 */
|
|
|
- tmp = (uint8_t)((CID_Tab[2] & 0x00FF0000) >> 16);
|
|
|
- cardinfo->SD_cid.ProdSN = tmp << 24;
|
|
|
-
|
|
|
- /* Byte 10 */
|
|
|
- tmp = (uint8_t)((CID_Tab[2] & 0x0000FF00) >> 8);
|
|
|
- cardinfo->SD_cid.ProdSN |= tmp << 16;
|
|
|
-
|
|
|
- /* Byte 11 */
|
|
|
- tmp = (uint8_t)(CID_Tab[2] & 0x000000FF);
|
|
|
- cardinfo->SD_cid.ProdSN |= tmp << 8;
|
|
|
-
|
|
|
- /* Byte 12 */
|
|
|
- tmp = (uint8_t)((CID_Tab[3] & 0xFF000000) >> 24);
|
|
|
- cardinfo->SD_cid.ProdSN |= tmp;
|
|
|
-
|
|
|
- /* Byte 13 */
|
|
|
- tmp = (uint8_t)((CID_Tab[3] & 0x00FF0000) >> 16);
|
|
|
- cardinfo->SD_cid.Reserved1 |= (tmp & 0xF0) >> 4;
|
|
|
- cardinfo->SD_cid.ManufactDate = (tmp & 0x0F) << 8;
|
|
|
-
|
|
|
- /* Byte 14 */
|
|
|
- tmp = (uint8_t)((CID_Tab[3] & 0x0000FF00) >> 8);
|
|
|
- cardinfo->SD_cid.ManufactDate |= tmp;
|
|
|
-
|
|
|
- /* Byte 15 */
|
|
|
- tmp = (uint8_t)(CID_Tab[3] & 0x000000FF);
|
|
|
- cardinfo->SD_cid.CID_CRC = (tmp & 0xFE) >> 1;
|
|
|
- cardinfo->SD_cid.Reserved2 = 1;
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Enables wide bus opeartion for the requeseted card if
|
|
|
- * supported by card.
|
|
|
- * @param WideMode: Specifies the SD card wide bus mode.
|
|
|
- * This parameter can be one of the following values:
|
|
|
- * @arg SDIO_BusWide_8b: 8-bit data transfer (Only for MMC)
|
|
|
- * @arg SDIO_BusWide_4b: 4-bit data transfer
|
|
|
- * @arg SDIO_BusWide_1b: 1-bit data transfer
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_EnableWideBusOperation(uint32_t WideMode)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
-
|
|
|
- /* MMC Card doesn't support this feature */
|
|
|
- if (SDIO_MULTIMEDIA_CARD == CardType)
|
|
|
- {
|
|
|
- errorstatus = SD_UNSUPPORTED_FEATURE;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
|
|
|
- {
|
|
|
- if (SDIO_BusWide_8b == WideMode)
|
|
|
- {
|
|
|
- errorstatus = SD_UNSUPPORTED_FEATURE;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_BusWide_4b == WideMode)
|
|
|
- {
|
|
|
- errorstatus = SDEnWideBus(ENABLE);
|
|
|
-
|
|
|
- if (SD_OK == errorstatus)
|
|
|
- {
|
|
|
- /* Configure the SDIO peripheral */
|
|
|
- SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
|
|
|
- SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
|
|
|
- SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
|
|
|
- SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
|
|
|
- SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_4b;
|
|
|
- SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
|
|
|
- SDIO_Init(&SDIO_InitStructure);
|
|
|
- }
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- errorstatus = SDEnWideBus(DISABLE);
|
|
|
-
|
|
|
- if (SD_OK == errorstatus)
|
|
|
- {
|
|
|
- /* Configure the SDIO peripheral */
|
|
|
- SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
|
|
|
- SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
|
|
|
- SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
|
|
|
- SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
|
|
|
- SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
|
|
|
- SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
|
|
|
- SDIO_Init(&SDIO_InitStructure);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Sets device mode whether to operate in Polling, Interrupt or
|
|
|
- * DMA mode.
|
|
|
- * @param Mode: Specifies the Data Transfer mode.
|
|
|
- * This parameter can be one of the following values:
|
|
|
- * @arg SD_DMA_MODE: Data transfer using DMA.
|
|
|
- * @arg SD_INTERRUPT_MODE: Data transfer using interrupts.
|
|
|
- * @arg SD_POLLING_MODE: Data transfer using flags.
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_SetDeviceMode(uint32_t Mode)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
-
|
|
|
- if ((Mode == SD_DMA_MODE) || (Mode == SD_INTERRUPT_MODE) || (Mode == SD_POLLING_MODE))
|
|
|
- {
|
|
|
- DeviceMode = Mode;
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_PARAMETER;
|
|
|
- }
|
|
|
- return(errorstatus);
|
|
|
-
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Selects od Deselects the corresponding card.
|
|
|
- * @param addr: Address of the Card to be selected.
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_SelectDeselect(uint32_t addr)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
-
|
|
|
- /* Send CMD7 SDIO_SEL_DESEL_CARD */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = addr;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEL_DESEL_CARD;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SEL_DESEL_CARD);
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Allows to read one block from a specified address in a card.
|
|
|
- * @param addr: Address from where data are to be read.
|
|
|
- * @param readbuff: pointer to the buffer that will contain the
|
|
|
- * received data
|
|
|
- * @param BlockSize: the SD card Data block size.
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_ReadBlock(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint32_t count = 0, *tempbuff = readbuff;
|
|
|
- uint8_t power = 0;
|
|
|
-
|
|
|
- if (NULL == readbuff)
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_PARAMETER;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- TransferError = SD_OK;
|
|
|
- TransferEnd = 0;
|
|
|
- TotalNumberOfBytes = 0;
|
|
|
-
|
|
|
- /* Clear all DPSM configuration */
|
|
|
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
- SDIO_DataInitStructure.SDIO_DataLength = 0;
|
|
|
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
|
|
|
- SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
- SDIO_DMACmd(DISABLE);
|
|
|
-
|
|
|
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
- {
|
|
|
- errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
|
|
|
- {
|
|
|
- BlockSize = 512;
|
|
|
- addr /= 512;
|
|
|
- }
|
|
|
- if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
|
|
|
- {
|
|
|
- power = convert_from_bytes_to_power_of_two(BlockSize);
|
|
|
-
|
|
|
- /* Set Block Size for Card */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
|
|
|
-
|
|
|
- if (SD_OK != errorstatus)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_PARAMETER;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
- SDIO_DataInitStructure.SDIO_DataLength = BlockSize;
|
|
|
- SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
|
|
|
- SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
-
|
|
|
- TotalNumberOfBytes = BlockSize;
|
|
|
- StopCondition = 0;
|
|
|
- DestBuffer = readbuff;
|
|
|
-
|
|
|
- /* Send CMD17 READ_SINGLE_BLOCK */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_READ_SINGLE_BLOCK;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_READ_SINGLE_BLOCK);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- /* In case of single block transfer, no need of stop transfer at all.*/
|
|
|
- if (DeviceMode == SD_POLLING_MODE)
|
|
|
- {
|
|
|
- /* Polling mode */
|
|
|
- while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
|
|
|
- {
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
|
|
|
- {
|
|
|
- for (count = 0; count < 8; count++)
|
|
|
- {
|
|
|
- *(tempbuff + count) = SDIO_ReadData();
|
|
|
- }
|
|
|
- tempbuff += 8;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
|
|
|
- errorstatus = SD_DATA_TIMEOUT;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
|
|
|
- errorstatus = SD_DATA_CRC_FAIL;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
|
|
|
- errorstatus = SD_RX_OVERRUN;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
|
|
|
- errorstatus = SD_START_BIT_ERR;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
|
|
|
- {
|
|
|
- *tempbuff = SDIO_ReadData();
|
|
|
- tempbuff++;
|
|
|
- }
|
|
|
-
|
|
|
- /* Clear all the static flags */
|
|
|
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
- }
|
|
|
- else if (DeviceMode == SD_INTERRUPT_MODE)
|
|
|
- {
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_RXFIFOHF | SDIO_IT_STBITERR, ENABLE);
|
|
|
- while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
- {}
|
|
|
- if (TransferError != SD_OK)
|
|
|
- {
|
|
|
- return(TransferError);
|
|
|
- }
|
|
|
- }
|
|
|
- else if (DeviceMode == SD_DMA_MODE)
|
|
|
- {
|
|
|
- int cnt = 0;
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE);
|
|
|
- SDIO_DMACmd(ENABLE);
|
|
|
- DMA_RxConfiguration(readbuff, BlockSize);
|
|
|
- while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
|
|
|
+
|
|
|
+/** @addtogroup STM32F10x_StdPeriph_Examples
|
|
|
+ * @{
|
|
|
+ */
|
|
|
+
|
|
|
+/** @addtogroup SDIO_Example
|
|
|
+ * @{
|
|
|
+ */
|
|
|
+
|
|
|
+/* Private typedef -----------------------------------------------------------*/
|
|
|
+/* Private define ------------------------------------------------------------*/
|
|
|
+#define NULL 0
|
|
|
+#define SDIO_STATIC_FLAGS ((uint32_t)0x000005FF)
|
|
|
+#define SDIO_CMD0TIMEOUT ((uint32_t)0x00002710)
|
|
|
+#define SDIO_FIFO_Address ((uint32_t)0x40018080)
|
|
|
+
|
|
|
+/* Mask for errors Card Status R1 (OCR Register) */
|
|
|
+#define SD_OCR_ADDR_OUT_OF_RANGE ((uint32_t)0x80000000)
|
|
|
+#define SD_OCR_ADDR_MISALIGNED ((uint32_t)0x40000000)
|
|
|
+#define SD_OCR_BLOCK_LEN_ERR ((uint32_t)0x20000000)
|
|
|
+#define SD_OCR_ERASE_SEQ_ERR ((uint32_t)0x10000000)
|
|
|
+#define SD_OCR_BAD_ERASE_PARAM ((uint32_t)0x08000000)
|
|
|
+#define SD_OCR_WRITE_PROT_VIOLATION ((uint32_t)0x04000000)
|
|
|
+#define SD_OCR_LOCK_UNLOCK_FAILED ((uint32_t)0x01000000)
|
|
|
+#define SD_OCR_COM_CRC_FAILED ((uint32_t)0x00800000)
|
|
|
+#define SD_OCR_ILLEGAL_CMD ((uint32_t)0x00400000)
|
|
|
+#define SD_OCR_CARD_ECC_FAILED ((uint32_t)0x00200000)
|
|
|
+#define SD_OCR_CC_ERROR ((uint32_t)0x00100000)
|
|
|
+#define SD_OCR_GENERAL_UNKNOWN_ERROR ((uint32_t)0x00080000)
|
|
|
+#define SD_OCR_STREAM_READ_UNDERRUN ((uint32_t)0x00040000)
|
|
|
+#define SD_OCR_STREAM_WRITE_OVERRUN ((uint32_t)0x00020000)
|
|
|
+#define SD_OCR_CID_CSD_OVERWRIETE ((uint32_t)0x00010000)
|
|
|
+#define SD_OCR_WP_ERASE_SKIP ((uint32_t)0x00008000)
|
|
|
+#define SD_OCR_CARD_ECC_DISABLED ((uint32_t)0x00004000)
|
|
|
+#define SD_OCR_ERASE_RESET ((uint32_t)0x00002000)
|
|
|
+#define SD_OCR_AKE_SEQ_ERROR ((uint32_t)0x00000008)
|
|
|
+#define SD_OCR_ERRORBITS ((uint32_t)0xFDFFE008)
|
|
|
+
|
|
|
+/* Masks for R6 Response */
|
|
|
+#define SD_R6_GENERAL_UNKNOWN_ERROR ((uint32_t)0x00002000)
|
|
|
+#define SD_R6_ILLEGAL_CMD ((uint32_t)0x00004000)
|
|
|
+#define SD_R6_COM_CRC_FAILED ((uint32_t)0x00008000)
|
|
|
+
|
|
|
+#define SD_VOLTAGE_WINDOW_SD ((uint32_t)0x80100000)
|
|
|
+#define SD_HIGH_CAPACITY ((uint32_t)0x40000000)
|
|
|
+#define SD_STD_CAPACITY ((uint32_t)0x00000000)
|
|
|
+#define SD_CHECK_PATTERN ((uint32_t)0x000001AA)
|
|
|
+#define SD_VOLTAGE_WINDOW_MMC ((uint32_t)0x80FF8000)
|
|
|
+
|
|
|
+#define SD_MAX_VOLT_TRIAL ((uint32_t)0x0000FFFF)
|
|
|
+#define SD_ALLZERO ((uint32_t)0x00000000)
|
|
|
+
|
|
|
+#define SD_WIDE_BUS_SUPPORT ((uint32_t)0x00040000)
|
|
|
+#define SD_SINGLE_BUS_SUPPORT ((uint32_t)0x00010000)
|
|
|
+#define SD_CARD_LOCKED ((uint32_t)0x02000000)
|
|
|
+#define SD_CARD_PROGRAMMING ((uint32_t)0x00000007)
|
|
|
+#define SD_CARD_RECEIVING ((uint32_t)0x00000006)
|
|
|
+#define SD_DATATIMEOUT ((uint32_t)0x000FFFFF)
|
|
|
+#define SD_0TO7BITS ((uint32_t)0x000000FF)
|
|
|
+#define SD_8TO15BITS ((uint32_t)0x0000FF00)
|
|
|
+#define SD_16TO23BITS ((uint32_t)0x00FF0000)
|
|
|
+#define SD_24TO31BITS ((uint32_t)0xFF000000)
|
|
|
+#define SD_MAX_DATA_LENGTH ((uint32_t)0x01FFFFFF)
|
|
|
+
|
|
|
+#define SD_HALFFIFO ((uint32_t)0x00000008)
|
|
|
+#define SD_HALFFIFOBYTES ((uint32_t)0x00000020)
|
|
|
+
|
|
|
+/* Command Class Supported */
|
|
|
+#define SD_CCCC_LOCK_UNLOCK ((uint32_t)0x00000080)
|
|
|
+#define SD_CCCC_WRITE_PROT ((uint32_t)0x00000040)
|
|
|
+#define SD_CCCC_ERASE ((uint32_t)0x00000020)
|
|
|
+
|
|
|
+/* Following commands are SD Card Specific commands.
|
|
|
+ SDIO_APP_CMD should be sent before sending these commands. */
|
|
|
+#define SDIO_SEND_IF_COND ((uint32_t)0x00000008)
|
|
|
+
|
|
|
+#define SDIO_INIT_CLK_DIV ((uint8_t)0xB2)
|
|
|
+#define SDIO_TRANSFER_CLK_DIV ((uint8_t)0x1)
|
|
|
+
|
|
|
+/* Private macro -------------------------------------------------------------*/
|
|
|
+/* Private variables ---------------------------------------------------------*/
|
|
|
+static uint32_t CardType = SDIO_STD_CAPACITY_SD_CARD_V1_1;
|
|
|
+static uint32_t CSD_Tab[4], CID_Tab[4], RCA = 0;
|
|
|
+static uint32_t DeviceMode = SD_POLLING_MODE;
|
|
|
+static uint32_t TotalNumberOfBytes = 0, StopCondition = 0;
|
|
|
+uint32_t *SrcBuffer, *DestBuffer;
|
|
|
+volatile SD_Error TransferError = SD_OK;
|
|
|
+__IO uint32_t TransferEnd = 0;
|
|
|
+__IO uint32_t NumberOfBytes = 0;
|
|
|
+SDIO_InitTypeDef SDIO_InitStructure;
|
|
|
+SDIO_CmdInitTypeDef SDIO_CmdInitStructure;
|
|
|
+SDIO_DataInitTypeDef SDIO_DataInitStructure;
|
|
|
+
|
|
|
+/* Private function prototypes -----------------------------------------------*/
|
|
|
+static SD_Error CmdError(void);
|
|
|
+static SD_Error CmdResp1Error(uint8_t cmd);
|
|
|
+static SD_Error CmdResp7Error(void);
|
|
|
+static SD_Error CmdResp3Error(void);
|
|
|
+static SD_Error CmdResp2Error(void);
|
|
|
+static SD_Error CmdResp6Error(uint8_t cmd, uint16_t *prca);
|
|
|
+static SD_Error SDEnWideBus(FunctionalState NewState);
|
|
|
+static SD_Error IsCardProgramming(uint8_t *pstatus);
|
|
|
+static SD_Error FindSCR(uint16_t rca, uint32_t *pscr);
|
|
|
+static uint8_t convert_from_bytes_to_power_of_two(uint16_t NumberOfBytes);
|
|
|
+static void GPIO_Configuration(void);
|
|
|
+static void DMA_TxConfiguration(uint32_t *BufferSRC, uint32_t BufferSize);
|
|
|
+static void DMA_RxConfiguration(uint32_t *BufferDST, uint32_t BufferSize);
|
|
|
+
|
|
|
+/* Private functions ---------------------------------------------------------*/
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Initializes the SD Card and put it into StandBy State (Ready
|
|
|
+ * for data transfer).
|
|
|
+ * @param None
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_Init(void)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+
|
|
|
+ /* Configure SDIO interface GPIO */
|
|
|
+ GPIO_Configuration();
|
|
|
+
|
|
|
+ /* Enable the SDIO AHB Clock */
|
|
|
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_SDIO, ENABLE);
|
|
|
+
|
|
|
+ /* Enable the DMA2 Clock */
|
|
|
+ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA2, ENABLE);
|
|
|
+
|
|
|
+ SDIO_DeInit();
|
|
|
+
|
|
|
+ errorstatus = SD_PowerON();
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ /* CMD Response TimeOut (wait for CMDSENT flag) */
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ errorstatus = SD_InitializeCards();
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ /* CMD Response TimeOut (wait for CMDSENT flag) */
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Configure the SDIO peripheral */
|
|
|
+ /* HCLK = 72 MHz, SDIOCLK = 72 MHz, SDIO_CK = HCLK/(2 + 1) = 24 MHz */
|
|
|
+ SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
|
|
|
+ SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
|
|
|
+ SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
|
|
|
+ SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
|
|
|
+ SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
|
|
|
+ SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
|
|
|
+ SDIO_Init(&SDIO_InitStructure);
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Enquires cards about their operating voltage and configures
|
|
|
+ * clock controls.
|
|
|
+ * @param None
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_PowerON(void)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint32_t response = 0, count = 0;
|
|
|
+ bool validvoltage = FALSE;
|
|
|
+ uint32_t SDType = SD_STD_CAPACITY;
|
|
|
+
|
|
|
+ /* Power ON Sequence -------------------------------------------------------*/
|
|
|
+ /* Configure the SDIO peripheral */
|
|
|
+ SDIO_InitStructure.SDIO_ClockDiv = SDIO_INIT_CLK_DIV; /* HCLK = 72MHz, SDIOCLK = 72MHz, SDIO_CK = HCLK/(178 + 2) = 400 KHz */
|
|
|
+ SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
|
|
|
+ SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
|
|
|
+ SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
|
|
|
+ SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
|
|
|
+ SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
|
|
|
+ SDIO_Init(&SDIO_InitStructure);
|
|
|
+
|
|
|
+ /* Set Power State to ON */
|
|
|
+ SDIO_SetPowerState(SDIO_PowerState_ON);
|
|
|
+
|
|
|
+ /* Enable SDIO Clock */
|
|
|
+ SDIO_ClockCmd(ENABLE);
|
|
|
+
|
|
|
+ /* CMD0: GO_IDLE_STATE -------------------------------------------------------*/
|
|
|
+ /* No CMD response required */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0x0;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_GO_IDLE_STATE;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdError();
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ /* CMD Response TimeOut (wait for CMDSENT flag) */
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* CMD8: SEND_IF_COND --------------------------------------------------------*/
|
|
|
+ /* Send CMD8 to verify SD card interface operating condition */
|
|
|
+ /* Argument: - [31:12]: Reserved (shall be set to '0')
|
|
|
+ - [11:8]: Supply Voltage (VHS) 0x1 (Range: 2.7-3.6 V)
|
|
|
+ - [7:0]: Check Pattern (recommended 0xAA) */
|
|
|
+ /* CMD Response: R7 */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = SD_CHECK_PATTERN;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_IF_COND;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp7Error();
|
|
|
+
|
|
|
+ if (errorstatus == SD_OK)
|
|
|
+ {
|
|
|
+ CardType = SDIO_STD_CAPACITY_SD_CARD_V2_0; /* SD Card 2.0 */
|
|
|
+ SDType = SD_HIGH_CAPACITY;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ /* CMD55 */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0x00;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
+ }
|
|
|
+ /* CMD55 */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0x00;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
+
|
|
|
+ /* If errorstatus is Command TimeOut, it is a MMC card */
|
|
|
+ /* If errorstatus is SD_OK it is a SD card: SD card 2.0 (voltage range mismatch)
|
|
|
+ or SD card 1.x */
|
|
|
+ if (errorstatus == SD_OK)
|
|
|
+ {
|
|
|
+ /* SD CARD */
|
|
|
+ /* Send ACMD41 SD_APP_OP_COND with Argument 0x80100000 */
|
|
|
+ while ((!validvoltage) && (count < SD_MAX_VOLT_TRIAL))
|
|
|
{
|
|
|
- cnt ++;
|
|
|
- if (cnt > 10 * 50000)
|
|
|
- {
|
|
|
- rt_kprintf("DMA flag 0x%08x\n", DMA_GetFlagStatus(DMA2_FLAG_TC4));
|
|
|
- /* Clear all DPSM configuration */
|
|
|
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
- SDIO_DataInitStructure.SDIO_DataLength = 0;
|
|
|
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
|
|
|
- SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
- SDIO_DMACmd(DISABLE);
|
|
|
- errorstatus = SD_ERROR;
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Allows to read blocks from a specified address in a card.
|
|
|
- * @param addr: Address from where data are to be read.
|
|
|
- * @param readbuff: pointer to the buffer that will contain the
|
|
|
- * received data.
|
|
|
- * @param BlockSize: the SD card Data block size.
|
|
|
- * @param NumberOfBlocks: number of blocks to be read.
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_ReadMultiBlocks(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize, uint32_t NumberOfBlocks)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint32_t count = 0, *tempbuff = readbuff;
|
|
|
- uint8_t power = 0;
|
|
|
-
|
|
|
- if (NULL == readbuff)
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_PARAMETER;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- TransferError = SD_OK;
|
|
|
- TransferEnd = 0;
|
|
|
- TotalNumberOfBytes = 0;
|
|
|
-
|
|
|
- /* Clear all DPSM configuration */
|
|
|
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
- SDIO_DataInitStructure.SDIO_DataLength = 0;
|
|
|
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
|
|
|
- SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
- SDIO_DMACmd(DISABLE);
|
|
|
-
|
|
|
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
- {
|
|
|
- errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
|
|
|
- {
|
|
|
- BlockSize = 512;
|
|
|
- addr /= 512;
|
|
|
- }
|
|
|
-
|
|
|
- if ((BlockSize > 0) && (BlockSize <= 2048) && (0 == (BlockSize & (BlockSize - 1))))
|
|
|
- {
|
|
|
- power = convert_from_bytes_to_power_of_two(BlockSize);
|
|
|
-
|
|
|
- /* Set Block Size for Card */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
|
|
|
-
|
|
|
- if (SD_OK != errorstatus)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_PARAMETER;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (NumberOfBlocks > 1)
|
|
|
- {
|
|
|
- /* Common to all modes */
|
|
|
- if (NumberOfBlocks * BlockSize > SD_MAX_DATA_LENGTH)
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_PARAMETER;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- TotalNumberOfBytes = NumberOfBlocks * BlockSize;
|
|
|
- StopCondition = 1;
|
|
|
- DestBuffer = readbuff;
|
|
|
-
|
|
|
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
- SDIO_DataInitStructure.SDIO_DataLength = NumberOfBlocks * BlockSize;
|
|
|
- SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
|
|
|
- SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
-
|
|
|
- /* Send CMD18 READ_MULT_BLOCK with argument data address */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_READ_MULT_BLOCK;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_READ_MULT_BLOCK);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (DeviceMode == SD_POLLING_MODE)
|
|
|
- {
|
|
|
- /* Polling mode */
|
|
|
- while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DATAEND | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
|
|
|
- {
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
|
|
|
- {
|
|
|
- for (count = 0; count < SD_HALFFIFO; count++)
|
|
|
- {
|
|
|
- *(tempbuff + count) = SDIO_ReadData();
|
|
|
- }
|
|
|
- tempbuff += SD_HALFFIFO;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
|
|
|
- errorstatus = SD_DATA_TIMEOUT;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
|
|
|
- errorstatus = SD_DATA_CRC_FAIL;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
|
|
|
- errorstatus = SD_RX_OVERRUN;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
|
|
|
- errorstatus = SD_START_BIT_ERR;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
|
|
|
- {
|
|
|
- *tempbuff = SDIO_ReadData();
|
|
|
- tempbuff++;
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_DATAEND) != RESET)
|
|
|
- {
|
|
|
- /* In Case Of SD-CARD Send Command STOP_TRANSMISSION */
|
|
|
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType))
|
|
|
- {
|
|
|
- /* Send CMD12 STOP_TRANSMISSION */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- /* Clear all the static flags */
|
|
|
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
- }
|
|
|
- else if (DeviceMode == SD_INTERRUPT_MODE)
|
|
|
- {
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_RXFIFOHF | SDIO_IT_STBITERR, ENABLE);
|
|
|
- while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
- {}
|
|
|
- if (TransferError != SD_OK)
|
|
|
- {
|
|
|
- return(TransferError);
|
|
|
- }
|
|
|
- }
|
|
|
- else if (DeviceMode == SD_DMA_MODE)
|
|
|
- {
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE);
|
|
|
- SDIO_DMACmd(ENABLE);
|
|
|
- DMA_RxConfiguration(readbuff, (NumberOfBlocks * BlockSize));
|
|
|
- while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
|
|
|
- {}
|
|
|
- while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
- {}
|
|
|
- if (TransferError != SD_OK)
|
|
|
- {
|
|
|
- return(TransferError);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Allows to write one block starting from a specified address
|
|
|
- * in a card.
|
|
|
- * @param addr: Address from where data are to be read.
|
|
|
- * @param writebuff: pointer to the buffer that contain the data to be
|
|
|
- * transferred.
|
|
|
- * @param BlockSize: the SD card Data block size.
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_WriteBlock(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint8_t power = 0, cardstate = 0;
|
|
|
- uint32_t timeout = 0, bytestransferred = 0;
|
|
|
- uint32_t cardstatus = 0, count = 0, restwords = 0;
|
|
|
- uint32_t *tempbuff = writebuff;
|
|
|
-
|
|
|
- if (writebuff == NULL)
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_PARAMETER;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- TransferError = SD_OK;
|
|
|
- TransferEnd = 0;
|
|
|
- TotalNumberOfBytes = 0;
|
|
|
-
|
|
|
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
- SDIO_DataInitStructure.SDIO_DataLength = 0;
|
|
|
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
|
|
|
- SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
- SDIO_DMACmd(DISABLE);
|
|
|
-
|
|
|
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
- {
|
|
|
- errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
|
|
|
- {
|
|
|
- BlockSize = 512;
|
|
|
- addr /= 512;
|
|
|
- }
|
|
|
-
|
|
|
- /* Set the block size, both on controller and card */
|
|
|
- if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
|
|
|
- {
|
|
|
- power = convert_from_bytes_to_power_of_two(BlockSize);
|
|
|
-
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_PARAMETER;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Wait till card is ready for data Added */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- cardstatus = SDIO_GetResponse(SDIO_RESP1);
|
|
|
-
|
|
|
- timeout = SD_DATATIMEOUT;
|
|
|
-
|
|
|
- while (((cardstatus & 0x00000100) == 0) && (timeout > 0))
|
|
|
- {
|
|
|
- timeout--;
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- cardstatus = SDIO_GetResponse(SDIO_RESP1);
|
|
|
- }
|
|
|
-
|
|
|
- if (timeout == 0)
|
|
|
- {
|
|
|
- return(SD_ERROR);
|
|
|
- }
|
|
|
-
|
|
|
- /* Send CMD24 WRITE_SINGLE_BLOCK */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = addr;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_WRITE_SINGLE_BLOCK;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_WRITE_SINGLE_BLOCK);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- TotalNumberOfBytes = BlockSize;
|
|
|
- StopCondition = 0;
|
|
|
- SrcBuffer = writebuff;
|
|
|
-
|
|
|
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
- SDIO_DataInitStructure.SDIO_DataLength = BlockSize;
|
|
|
- SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
|
|
|
- SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
-
|
|
|
- /* In case of single data block transfer no need of stop command at all */
|
|
|
- if (DeviceMode == SD_POLLING_MODE)
|
|
|
- {
|
|
|
- while (!(SDIO->STA & (SDIO_FLAG_DBCKEND | SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
|
|
|
- {
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_TXFIFOHE) != RESET)
|
|
|
- {
|
|
|
- if ((TotalNumberOfBytes - bytestransferred) < 32)
|
|
|
- {
|
|
|
- restwords = ((TotalNumberOfBytes - bytestransferred) % 4 == 0) ? ((TotalNumberOfBytes - bytestransferred) / 4) : (( TotalNumberOfBytes - bytestransferred) / 4 + 1);
|
|
|
-
|
|
|
- for (count = 0; count < restwords; count++, tempbuff++, bytestransferred += 4)
|
|
|
- {
|
|
|
- SDIO_WriteData(*tempbuff);
|
|
|
- }
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- for (count = 0; count < 8; count++)
|
|
|
- {
|
|
|
- SDIO_WriteData(*(tempbuff + count));
|
|
|
- }
|
|
|
- tempbuff += 8;
|
|
|
- bytestransferred += 32;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
|
|
|
- errorstatus = SD_DATA_TIMEOUT;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
|
|
|
- errorstatus = SD_DATA_CRC_FAIL;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_TXUNDERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_TXUNDERR);
|
|
|
- errorstatus = SD_TX_UNDERRUN;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
|
|
|
- errorstatus = SD_START_BIT_ERR;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- }
|
|
|
- else if (DeviceMode == SD_INTERRUPT_MODE)
|
|
|
- {
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_FLAG_TXFIFOHE | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
|
|
|
- while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
- {}
|
|
|
- if (TransferError != SD_OK)
|
|
|
- {
|
|
|
- return(TransferError);
|
|
|
- }
|
|
|
- }
|
|
|
- else if (DeviceMode == SD_DMA_MODE)
|
|
|
- {
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
|
|
|
- DMA_TxConfiguration(writebuff, BlockSize);
|
|
|
- SDIO_DMACmd(ENABLE);
|
|
|
- while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
|
|
|
- {}
|
|
|
- while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
- {}
|
|
|
- if (TransferError != SD_OK)
|
|
|
- {
|
|
|
- return(TransferError);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* Clear all the static flags */
|
|
|
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
-
|
|
|
- /* Wait till the card is in programming state */
|
|
|
- errorstatus = IsCardProgramming(&cardstate);
|
|
|
-
|
|
|
- while ((errorstatus == SD_OK) && ((cardstate == SD_CARD_PROGRAMMING) || (cardstate == SD_CARD_RECEIVING)))
|
|
|
- {
|
|
|
- errorstatus = IsCardProgramming(&cardstate);
|
|
|
- }
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Allows to write blocks starting from a specified address in
|
|
|
- * a card.
|
|
|
- * @param addr: Address from where data are to be read.
|
|
|
- * @param writebuff: pointer to the buffer that contain the data to be
|
|
|
- * transferred.
|
|
|
- * @param BlockSize: the SD card Data block size.
|
|
|
- * @param NumberOfBlocks: number of blocks to be written.
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_WriteMultiBlocks(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize, uint32_t NumberOfBlocks)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint8_t power = 0, cardstate = 0;
|
|
|
- uint32_t bytestransferred = 0;
|
|
|
- uint32_t count = 0, restwords = 0;
|
|
|
- uint32_t *tempbuff = writebuff;
|
|
|
-
|
|
|
- if (writebuff == NULL)
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_PARAMETER;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- TransferError = SD_OK;
|
|
|
- TransferEnd = 0;
|
|
|
- TotalNumberOfBytes = 0;
|
|
|
-
|
|
|
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
- SDIO_DataInitStructure.SDIO_DataLength = 0;
|
|
|
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
|
|
|
- SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
- SDIO_DMACmd(DISABLE);
|
|
|
-
|
|
|
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
- {
|
|
|
- errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
|
|
|
- {
|
|
|
- BlockSize = 512;
|
|
|
- addr /= 512;
|
|
|
- }
|
|
|
-
|
|
|
- /* Set the block size, both on controller and card */
|
|
|
- if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
|
|
|
- {
|
|
|
- power = convert_from_bytes_to_power_of_two(BlockSize);
|
|
|
-
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_PARAMETER;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Wait till card is ready for data Added */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (NumberOfBlocks > 1)
|
|
|
- {
|
|
|
- /* Common to all modes */
|
|
|
- if (NumberOfBlocks * BlockSize > SD_MAX_DATA_LENGTH)
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_PARAMETER;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
|
|
|
- {
|
|
|
- /* To improve performance */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- /* To improve performance */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)NumberOfBlocks;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCK_COUNT;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SET_BLOCK_COUNT);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* Send CMD25 WRITE_MULT_BLOCK with argument data address */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_WRITE_MULT_BLOCK;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_WRITE_MULT_BLOCK);
|
|
|
-
|
|
|
- if (SD_OK != errorstatus)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- TotalNumberOfBytes = NumberOfBlocks * BlockSize;
|
|
|
- StopCondition = 1;
|
|
|
- SrcBuffer = writebuff;
|
|
|
-
|
|
|
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
- SDIO_DataInitStructure.SDIO_DataLength = NumberOfBlocks * BlockSize;
|
|
|
- SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
|
|
|
- SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
-
|
|
|
- if (DeviceMode == SD_POLLING_MODE)
|
|
|
- {
|
|
|
- while (!(SDIO->STA & (SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DATAEND | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
|
|
|
- {
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_TXFIFOHE) != RESET)
|
|
|
- {
|
|
|
- if (!((TotalNumberOfBytes - bytestransferred) < SD_HALFFIFOBYTES))
|
|
|
- {
|
|
|
- for (count = 0; count < SD_HALFFIFO; count++)
|
|
|
- {
|
|
|
- SDIO_WriteData(*(tempbuff + count));
|
|
|
- }
|
|
|
- tempbuff += SD_HALFFIFO;
|
|
|
- bytestransferred += SD_HALFFIFOBYTES;
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- restwords = ((TotalNumberOfBytes - bytestransferred) % 4 == 0) ? ((TotalNumberOfBytes - bytestransferred) / 4) :
|
|
|
- ((TotalNumberOfBytes - bytestransferred) / 4 + 1);
|
|
|
-
|
|
|
- for (count = 0; count < restwords; count++, tempbuff++, bytestransferred += 4)
|
|
|
- {
|
|
|
- SDIO_WriteData(*tempbuff);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
|
|
|
- errorstatus = SD_DATA_TIMEOUT;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
|
|
|
- errorstatus = SD_DATA_CRC_FAIL;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_TXUNDERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_TXUNDERR);
|
|
|
- errorstatus = SD_TX_UNDERRUN;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
|
|
|
- errorstatus = SD_START_BIT_ERR;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_DATAEND) != RESET)
|
|
|
- {
|
|
|
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
|
|
|
- {
|
|
|
- /* Send CMD12 STOP_TRANSMISSION */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- else if (DeviceMode == SD_INTERRUPT_MODE)
|
|
|
- {
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXFIFOHE | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
|
|
|
- while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
- {}
|
|
|
- if (TransferError != SD_OK)
|
|
|
- {
|
|
|
- return(TransferError);
|
|
|
- }
|
|
|
- }
|
|
|
- else if (DeviceMode == SD_DMA_MODE)
|
|
|
- {
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
|
|
|
- SDIO_DMACmd(ENABLE);
|
|
|
- DMA_TxConfiguration(writebuff, (NumberOfBlocks * BlockSize));
|
|
|
- while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
|
|
|
- {}
|
|
|
- while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
- {}
|
|
|
- if (TransferError != SD_OK)
|
|
|
- {
|
|
|
- return(TransferError);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- /* Clear all the static flags */
|
|
|
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
-
|
|
|
- /* Wait till the card is in programming state */
|
|
|
- errorstatus = IsCardProgramming(&cardstate);
|
|
|
-
|
|
|
- while ((errorstatus == SD_OK) && ((cardstate == SD_CARD_PROGRAMMING) || (cardstate == SD_CARD_RECEIVING)))
|
|
|
- {
|
|
|
- errorstatus = IsCardProgramming(&cardstate);
|
|
|
- }
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Gets the cuurent data transfer state.
|
|
|
- * @param None
|
|
|
- * @retval SDTransferState: Data Transfer state.
|
|
|
- * This value can be:
|
|
|
- * - SD_NO_TRANSFER: No data transfer is acting
|
|
|
- * - SD_TRANSFER_IN_PROGRESS: Data transfer is acting
|
|
|
- */
|
|
|
-SDTransferState SD_GetTransferState(void)
|
|
|
-{
|
|
|
- if (SDIO->STA & (SDIO_FLAG_TXACT | SDIO_FLAG_RXACT))
|
|
|
- {
|
|
|
- return(SD_TRANSFER_IN_PROGRESS);
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- return(SD_NO_TRANSFER);
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Aborts an ongoing data transfer.
|
|
|
- * @param None
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_StopTransfer(void)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
-
|
|
|
- /* Send CMD12 STOP_TRANSMISSION */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Allows to erase memory area specified for the given card.
|
|
|
- * @param startaddr: the start address.
|
|
|
- * @param endaddr: the end address.
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_Erase(uint32_t startaddr, uint32_t endaddr)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint32_t delay = 0;
|
|
|
- __IO uint32_t maxdelay = 0;
|
|
|
- uint8_t cardstate = 0;
|
|
|
-
|
|
|
- /* Check if the card coomnd class supports erase command */
|
|
|
- if (((CSD_Tab[1] >> 20) & SD_CCCC_ERASE) == 0)
|
|
|
- {
|
|
|
- errorstatus = SD_REQUEST_NOT_APPLICABLE;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- maxdelay = 72000 / ((SDIO->CLKCR & 0xFF) + 2);
|
|
|
-
|
|
|
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
- {
|
|
|
- errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
|
|
|
- {
|
|
|
- startaddr /= 512;
|
|
|
- endaddr /= 512;
|
|
|
- }
|
|
|
-
|
|
|
- /* According to sd-card spec 1.0 ERASE_GROUP_START (CMD32) and erase_group_end(CMD33) */
|
|
|
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
|
|
|
- {
|
|
|
- /* Send CMD32 SD_ERASE_GRP_START with argument as addr */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = startaddr;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_ERASE_GRP_START;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SD_ERASE_GRP_START);
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Send CMD33 SD_ERASE_GRP_END with argument as addr */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = endaddr;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_ERASE_GRP_END;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SD_ERASE_GRP_END);
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* Send CMD38 ERASE */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_ERASE;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_ERASE);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- for (delay = 0; delay < maxdelay; delay++)
|
|
|
- {}
|
|
|
-
|
|
|
- /* Wait till the card is in programming state */
|
|
|
- errorstatus = IsCardProgramming(&cardstate);
|
|
|
-
|
|
|
- while ((errorstatus == SD_OK) && ((SD_CARD_PROGRAMMING == cardstate) || (SD_CARD_RECEIVING == cardstate)))
|
|
|
- {
|
|
|
- errorstatus = IsCardProgramming(&cardstate);
|
|
|
- }
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Returns the current card's status.
|
|
|
- * @param pcardstatus: pointer to the buffer that will contain the SD
|
|
|
- * card status (Card Status register).
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_SendStatus(uint32_t *pcardstatus)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
-
|
|
|
- if (pcardstatus == NULL)
|
|
|
- {
|
|
|
- errorstatus = SD_INVALID_PARAMETER;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- *pcardstatus = SDIO_GetResponse(SDIO_RESP1);
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Returns the current SD card's status.
|
|
|
- * @param psdstatus: pointer to the buffer that will contain the SD
|
|
|
- * card status (SD Status register).
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_SendSDStatus(uint32_t *psdstatus)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint32_t count = 0;
|
|
|
-
|
|
|
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
- {
|
|
|
- errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Set block size for card if it is not equal to current block size for card. */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 64;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* CMD55 */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
- SDIO_DataInitStructure.SDIO_DataLength = 64;
|
|
|
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_64b;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
|
|
|
- SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
-
|
|
|
- /* Send ACMD13 SD_APP_STAUS with argument as card's RCA.*/
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_STAUS;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
- errorstatus = CmdResp1Error(SDIO_SD_APP_STAUS);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
|
|
|
- {
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
|
|
|
- {
|
|
|
- for (count = 0; count < 8; count++)
|
|
|
- {
|
|
|
- *(psdstatus + count) = SDIO_ReadData();
|
|
|
- }
|
|
|
- psdstatus += 8;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
|
|
|
- errorstatus = SD_DATA_TIMEOUT;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
|
|
|
- errorstatus = SD_DATA_CRC_FAIL;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
|
|
|
- errorstatus = SD_RX_OVERRUN;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
|
|
|
- errorstatus = SD_START_BIT_ERR;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
|
|
|
- {
|
|
|
- *psdstatus = SDIO_ReadData();
|
|
|
- psdstatus++;
|
|
|
- }
|
|
|
-
|
|
|
- /* Clear all the static status flags*/
|
|
|
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
- psdstatus -= 16;
|
|
|
- for (count = 0; count < 16; count++)
|
|
|
- {
|
|
|
- psdstatus[count] = ((psdstatus[count] & SD_0TO7BITS) << 24) |((psdstatus[count] & SD_8TO15BITS) << 8) |
|
|
|
- ((psdstatus[count] & SD_16TO23BITS) >> 8) |((psdstatus[count] & SD_24TO31BITS) >> 24);
|
|
|
- }
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Allows to process all the interrupts that are high.
|
|
|
- * @param None
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-SD_Error SD_ProcessIRQSrc(void)
|
|
|
-{
|
|
|
- uint32_t count = 0, restwords = 0;
|
|
|
-
|
|
|
- if (DeviceMode == SD_INTERRUPT_MODE)
|
|
|
- {
|
|
|
- if (SDIO_GetITStatus(SDIO_IT_RXFIFOHF) != RESET)
|
|
|
- {
|
|
|
- for (count = 0; count < SD_HALFFIFO; count++)
|
|
|
- {
|
|
|
- *(DestBuffer + count) = SDIO_ReadData();
|
|
|
- }
|
|
|
- DestBuffer += SD_HALFFIFO;
|
|
|
- NumberOfBytes += SD_HALFFIFOBYTES;
|
|
|
- }
|
|
|
- else if (SDIO_GetITStatus(SDIO_IT_TXFIFOHE) != RESET)
|
|
|
- {
|
|
|
- if ((TotalNumberOfBytes - NumberOfBytes) < SD_HALFFIFOBYTES)
|
|
|
- {
|
|
|
- restwords = ((TotalNumberOfBytes - NumberOfBytes) % 4 == 0) ?
|
|
|
- ((TotalNumberOfBytes - NumberOfBytes) / 4) :
|
|
|
- ((TotalNumberOfBytes - NumberOfBytes) / 4 + 1);
|
|
|
-
|
|
|
- for (count = 0; count < restwords; count++, SrcBuffer++, NumberOfBytes += 4)
|
|
|
- {
|
|
|
- SDIO_WriteData(*SrcBuffer);
|
|
|
- }
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- for (count = 0; count < SD_HALFFIFO; count++)
|
|
|
- {
|
|
|
- SDIO_WriteData(*(SrcBuffer + count));
|
|
|
- }
|
|
|
-
|
|
|
- SrcBuffer += SD_HALFFIFO;
|
|
|
- NumberOfBytes += SD_HALFFIFOBYTES;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_GetITStatus(SDIO_IT_DATAEND) != RESET)
|
|
|
- {
|
|
|
- if (DeviceMode != SD_DMA_MODE)
|
|
|
- {
|
|
|
- while ((SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET) && (NumberOfBytes < TotalNumberOfBytes))
|
|
|
- {
|
|
|
- *DestBuffer = SDIO_ReadData();
|
|
|
- DestBuffer++;
|
|
|
- NumberOfBytes += 4;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (StopCondition == 1)
|
|
|
- {
|
|
|
- TransferError = SD_StopTransfer();
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- TransferError = SD_OK;
|
|
|
- }
|
|
|
- SDIO_ClearITPendingBit(SDIO_IT_DATAEND);
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
|
|
|
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
|
|
|
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
|
|
|
- TransferEnd = 1;
|
|
|
- NumberOfBytes = 0;
|
|
|
- return(TransferError);
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_GetITStatus(SDIO_IT_DCRCFAIL) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearITPendingBit(SDIO_IT_DCRCFAIL);
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
|
|
|
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
|
|
|
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
|
|
|
- NumberOfBytes = 0;
|
|
|
- TransferError = SD_DATA_CRC_FAIL;
|
|
|
- return(SD_DATA_CRC_FAIL);
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_GetITStatus(SDIO_IT_DTIMEOUT) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearITPendingBit(SDIO_IT_DTIMEOUT);
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
|
|
|
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
|
|
|
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
|
|
|
- NumberOfBytes = 0;
|
|
|
- TransferError = SD_DATA_TIMEOUT;
|
|
|
- return(SD_DATA_TIMEOUT);
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_GetITStatus(SDIO_IT_RXOVERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearITPendingBit(SDIO_IT_RXOVERR);
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
|
|
|
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
|
|
|
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
|
|
|
- NumberOfBytes = 0;
|
|
|
- TransferError = SD_RX_OVERRUN;
|
|
|
- return(SD_RX_OVERRUN);
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_GetITStatus(SDIO_IT_TXUNDERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearITPendingBit(SDIO_IT_TXUNDERR);
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
|
|
|
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
|
|
|
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
|
|
|
- NumberOfBytes = 0;
|
|
|
- TransferError = SD_TX_UNDERRUN;
|
|
|
- return(SD_TX_UNDERRUN);
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_GetITStatus(SDIO_IT_STBITERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearITPendingBit(SDIO_IT_STBITERR);
|
|
|
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
|
|
|
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
|
|
|
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
|
|
|
- NumberOfBytes = 0;
|
|
|
- TransferError = SD_START_BIT_ERR;
|
|
|
- return(SD_START_BIT_ERR);
|
|
|
- }
|
|
|
-
|
|
|
- return(SD_OK);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Checks for error conditions for CMD0.
|
|
|
- * @param None
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-static SD_Error CmdError(void)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint32_t timeout;
|
|
|
-
|
|
|
- timeout = SDIO_CMD0TIMEOUT; /* 10000 */
|
|
|
-
|
|
|
- while ((timeout > 0) && (SDIO_GetFlagStatus(SDIO_FLAG_CMDSENT) == RESET))
|
|
|
- {
|
|
|
- timeout--;
|
|
|
- }
|
|
|
-
|
|
|
- if (timeout == 0)
|
|
|
- {
|
|
|
- errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Clear all the static flags */
|
|
|
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Checks for error conditions for R7.
|
|
|
- * response.
|
|
|
- * @param None
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-static SD_Error CmdResp7Error(void)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint32_t status;
|
|
|
- uint32_t timeout = SDIO_CMD0TIMEOUT;
|
|
|
-
|
|
|
- status = SDIO->STA;
|
|
|
-
|
|
|
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)) && (timeout > 0))
|
|
|
- {
|
|
|
- timeout--;
|
|
|
- status = SDIO->STA;
|
|
|
- }
|
|
|
-
|
|
|
- if ((timeout == 0) || (status & SDIO_FLAG_CTIMEOUT))
|
|
|
- {
|
|
|
- /* Card is not V2.0 complient or card does not support the set voltage range */
|
|
|
- errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (status & SDIO_FLAG_CMDREND)
|
|
|
- {
|
|
|
- /* Card is SD V2.0 compliant */
|
|
|
- errorstatus = SD_OK;
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_CMDREND);
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Checks for error conditions for R1.
|
|
|
- * response
|
|
|
- * @param cmd: The sent command index.
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-static SD_Error CmdResp1Error(uint8_t cmd)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint32_t status;
|
|
|
- uint32_t response_r1;
|
|
|
-
|
|
|
- status = SDIO->STA;
|
|
|
-
|
|
|
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
|
|
|
- {
|
|
|
- status = SDIO->STA;
|
|
|
- }
|
|
|
-
|
|
|
- if (status & SDIO_FLAG_CTIMEOUT)
|
|
|
- {
|
|
|
- errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (status & SDIO_FLAG_CCRCFAIL)
|
|
|
- {
|
|
|
- errorstatus = SD_CMD_CRC_FAIL;
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Check response received is of desired command */
|
|
|
- if (SDIO_GetCommandResponse() != cmd)
|
|
|
- {
|
|
|
- errorstatus = SD_ILLEGAL_CMD;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Clear all the static flags */
|
|
|
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
-
|
|
|
- /* We have received response, retrieve it for analysis */
|
|
|
- response_r1 = SDIO_GetResponse(SDIO_RESP1);
|
|
|
-
|
|
|
- if ((response_r1 & SD_OCR_ERRORBITS) == SD_ALLZERO)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_ADDR_OUT_OF_RANGE)
|
|
|
- {
|
|
|
- return(SD_ADDR_OUT_OF_RANGE);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_ADDR_MISALIGNED)
|
|
|
- {
|
|
|
- return(SD_ADDR_MISALIGNED);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_BLOCK_LEN_ERR)
|
|
|
- {
|
|
|
- return(SD_BLOCK_LEN_ERR);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_ERASE_SEQ_ERR)
|
|
|
- {
|
|
|
- return(SD_ERASE_SEQ_ERR);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_BAD_ERASE_PARAM)
|
|
|
- {
|
|
|
- return(SD_BAD_ERASE_PARAM);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_WRITE_PROT_VIOLATION)
|
|
|
- {
|
|
|
- return(SD_WRITE_PROT_VIOLATION);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_LOCK_UNLOCK_FAILED)
|
|
|
- {
|
|
|
- return(SD_LOCK_UNLOCK_FAILED);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_COM_CRC_FAILED)
|
|
|
- {
|
|
|
- return(SD_COM_CRC_FAILED);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_ILLEGAL_CMD)
|
|
|
- {
|
|
|
- return(SD_ILLEGAL_CMD);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_CARD_ECC_FAILED)
|
|
|
- {
|
|
|
- return(SD_CARD_ECC_FAILED);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_CC_ERROR)
|
|
|
- {
|
|
|
- return(SD_CC_ERROR);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_GENERAL_UNKNOWN_ERROR)
|
|
|
- {
|
|
|
- return(SD_GENERAL_UNKNOWN_ERROR);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_STREAM_READ_UNDERRUN)
|
|
|
- {
|
|
|
- return(SD_STREAM_READ_UNDERRUN);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_STREAM_WRITE_OVERRUN)
|
|
|
- {
|
|
|
- return(SD_STREAM_WRITE_OVERRUN);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_CID_CSD_OVERWRIETE)
|
|
|
- {
|
|
|
- return(SD_CID_CSD_OVERWRITE);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_WP_ERASE_SKIP)
|
|
|
- {
|
|
|
- return(SD_WP_ERASE_SKIP);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_CARD_ECC_DISABLED)
|
|
|
- {
|
|
|
- return(SD_CARD_ECC_DISABLED);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_ERASE_RESET)
|
|
|
- {
|
|
|
- return(SD_ERASE_RESET);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_OCR_AKE_SEQ_ERROR)
|
|
|
- {
|
|
|
- return(SD_AKE_SEQ_ERROR);
|
|
|
- }
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Checks for error conditions for R3 (OCR).
|
|
|
- * response.
|
|
|
- * @param None
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-static SD_Error CmdResp3Error(void)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint32_t status;
|
|
|
-
|
|
|
- status = SDIO->STA;
|
|
|
-
|
|
|
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
|
|
|
- {
|
|
|
- status = SDIO->STA;
|
|
|
- }
|
|
|
-
|
|
|
- if (status & SDIO_FLAG_CTIMEOUT)
|
|
|
- {
|
|
|
- errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- /* Clear all the static flags */
|
|
|
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Checks for error conditions for R2 (CID or CSD).
|
|
|
- * response.
|
|
|
- * @param None
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-static SD_Error CmdResp2Error(void)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint32_t status;
|
|
|
-
|
|
|
- status = SDIO->STA;
|
|
|
-
|
|
|
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CTIMEOUT | SDIO_FLAG_CMDREND)))
|
|
|
- {
|
|
|
- status = SDIO->STA;
|
|
|
- }
|
|
|
-
|
|
|
- if (status & SDIO_FLAG_CTIMEOUT)
|
|
|
- {
|
|
|
- errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (status & SDIO_FLAG_CCRCFAIL)
|
|
|
- {
|
|
|
- errorstatus = SD_CMD_CRC_FAIL;
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Clear all the static flags */
|
|
|
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Checks for error conditions for R6 (RCA).
|
|
|
- * response.
|
|
|
- * @param cmd: The sent command index.
|
|
|
- * @param prca: pointer to the variable that will contain the SD
|
|
|
- * card relative address RCA.
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-static SD_Error CmdResp6Error(uint8_t cmd, uint16_t *prca)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint32_t status;
|
|
|
- uint32_t response_r1;
|
|
|
-
|
|
|
- status = SDIO->STA;
|
|
|
-
|
|
|
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CTIMEOUT | SDIO_FLAG_CMDREND)))
|
|
|
- {
|
|
|
- status = SDIO->STA;
|
|
|
- }
|
|
|
-
|
|
|
- if (status & SDIO_FLAG_CTIMEOUT)
|
|
|
- {
|
|
|
- errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (status & SDIO_FLAG_CCRCFAIL)
|
|
|
- {
|
|
|
- errorstatus = SD_CMD_CRC_FAIL;
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Check response received is of desired command */
|
|
|
- if (SDIO_GetCommandResponse() != cmd)
|
|
|
- {
|
|
|
- errorstatus = SD_ILLEGAL_CMD;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Clear all the static flags */
|
|
|
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
-
|
|
|
- /* We have received response, retrieve it. */
|
|
|
- response_r1 = SDIO_GetResponse(SDIO_RESP1);
|
|
|
-
|
|
|
- if (SD_ALLZERO == (response_r1 & (SD_R6_GENERAL_UNKNOWN_ERROR | SD_R6_ILLEGAL_CMD | SD_R6_COM_CRC_FAILED)))
|
|
|
- {
|
|
|
- *prca = (uint16_t) (response_r1 >> 16);
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_R6_GENERAL_UNKNOWN_ERROR)
|
|
|
- {
|
|
|
- return(SD_GENERAL_UNKNOWN_ERROR);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_R6_ILLEGAL_CMD)
|
|
|
- {
|
|
|
- return(SD_ILLEGAL_CMD);
|
|
|
- }
|
|
|
-
|
|
|
- if (response_r1 & SD_R6_COM_CRC_FAILED)
|
|
|
- {
|
|
|
- return(SD_COM_CRC_FAILED);
|
|
|
- }
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Enables or disables the SDIO wide bus mode.
|
|
|
- * @param NewState: new state of the SDIO wide bus mode.
|
|
|
- * This parameter can be: ENABLE or DISABLE.
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-static SD_Error SDEnWideBus(FunctionalState NewState)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
-
|
|
|
- uint32_t scr[2] = {0, 0};
|
|
|
-
|
|
|
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
- {
|
|
|
- errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Get SCR Register */
|
|
|
- errorstatus = FindSCR(RCA, scr);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* If wide bus operation to be enabled */
|
|
|
- if (NewState == ENABLE)
|
|
|
- {
|
|
|
- /* If requested card supports wide bus operation */
|
|
|
- if ((scr[1] & SD_WIDE_BUS_SUPPORT) != SD_ALLZERO)
|
|
|
- {
|
|
|
- /* Send CMD55 APP_CMD with argument as card's RCA.*/
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Send ACMD6 APP_CMD with argument as 2 for wide bus mode */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0x2;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_SD_SET_BUSWIDTH;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_APP_SD_SET_BUSWIDTH);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- errorstatus = SD_REQUEST_NOT_APPLICABLE;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- } /* If wide bus operation to be disabled */
|
|
|
- else
|
|
|
- {
|
|
|
- /* If requested card supports 1 bit mode operation */
|
|
|
- if ((scr[1] & SD_SINGLE_BUS_SUPPORT) != SD_ALLZERO)
|
|
|
- {
|
|
|
- /* Send CMD55 APP_CMD with argument as card's RCA.*/
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Send ACMD6 APP_CMD with argument as 2 for wide bus mode */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_SD_SET_BUSWIDTH;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_APP_SD_SET_BUSWIDTH);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- errorstatus = SD_REQUEST_NOT_APPLICABLE;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Checks if the SD card is in programming state.
|
|
|
- * @param pstatus: pointer to the variable that will contain the SD
|
|
|
- * card state.
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-static SD_Error IsCardProgramming(uint8_t *pstatus)
|
|
|
-{
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- __IO uint32_t respR1 = 0, status = 0;
|
|
|
-
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- status = SDIO->STA;
|
|
|
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
|
|
|
- {
|
|
|
- status = SDIO->STA;
|
|
|
- }
|
|
|
-
|
|
|
- if (status & SDIO_FLAG_CTIMEOUT)
|
|
|
- {
|
|
|
- errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (status & SDIO_FLAG_CCRCFAIL)
|
|
|
- {
|
|
|
- errorstatus = SD_CMD_CRC_FAIL;
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- status = (uint32_t)SDIO_GetCommandResponse();
|
|
|
-
|
|
|
- /* Check response received is of desired command */
|
|
|
- if (status != SDIO_SEND_STATUS)
|
|
|
- {
|
|
|
- errorstatus = SD_ILLEGAL_CMD;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Clear all the static flags */
|
|
|
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
-
|
|
|
-
|
|
|
- /* We have received response, retrieve it for analysis */
|
|
|
- respR1 = SDIO_GetResponse(SDIO_RESP1);
|
|
|
-
|
|
|
- /* Find out card status */
|
|
|
- *pstatus = (uint8_t) ((respR1 >> 9) & 0x0000000F);
|
|
|
-
|
|
|
- if ((respR1 & SD_OCR_ERRORBITS) == SD_ALLZERO)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_ADDR_OUT_OF_RANGE)
|
|
|
- {
|
|
|
- return(SD_ADDR_OUT_OF_RANGE);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_ADDR_MISALIGNED)
|
|
|
- {
|
|
|
- return(SD_ADDR_MISALIGNED);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_BLOCK_LEN_ERR)
|
|
|
- {
|
|
|
- return(SD_BLOCK_LEN_ERR);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_ERASE_SEQ_ERR)
|
|
|
- {
|
|
|
- return(SD_ERASE_SEQ_ERR);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_BAD_ERASE_PARAM)
|
|
|
- {
|
|
|
- return(SD_BAD_ERASE_PARAM);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_WRITE_PROT_VIOLATION)
|
|
|
- {
|
|
|
- return(SD_WRITE_PROT_VIOLATION);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_LOCK_UNLOCK_FAILED)
|
|
|
- {
|
|
|
- return(SD_LOCK_UNLOCK_FAILED);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_COM_CRC_FAILED)
|
|
|
- {
|
|
|
- return(SD_COM_CRC_FAILED);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_ILLEGAL_CMD)
|
|
|
- {
|
|
|
- return(SD_ILLEGAL_CMD);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_CARD_ECC_FAILED)
|
|
|
- {
|
|
|
- return(SD_CARD_ECC_FAILED);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_CC_ERROR)
|
|
|
- {
|
|
|
- return(SD_CC_ERROR);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_GENERAL_UNKNOWN_ERROR)
|
|
|
- {
|
|
|
- return(SD_GENERAL_UNKNOWN_ERROR);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_STREAM_READ_UNDERRUN)
|
|
|
- {
|
|
|
- return(SD_STREAM_READ_UNDERRUN);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_STREAM_WRITE_OVERRUN)
|
|
|
- {
|
|
|
- return(SD_STREAM_WRITE_OVERRUN);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_CID_CSD_OVERWRIETE)
|
|
|
- {
|
|
|
- return(SD_CID_CSD_OVERWRITE);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_WP_ERASE_SKIP)
|
|
|
- {
|
|
|
- return(SD_WP_ERASE_SKIP);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_CARD_ECC_DISABLED)
|
|
|
- {
|
|
|
- return(SD_CARD_ECC_DISABLED);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_ERASE_RESET)
|
|
|
- {
|
|
|
- return(SD_ERASE_RESET);
|
|
|
- }
|
|
|
-
|
|
|
- if (respR1 & SD_OCR_AKE_SEQ_ERROR)
|
|
|
- {
|
|
|
- return(SD_AKE_SEQ_ERROR);
|
|
|
- }
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Find the SD card SCR register value.
|
|
|
- * @param rca: selected card address.
|
|
|
- * @param pscr: pointer to the buffer that will contain the SCR value.
|
|
|
- * @retval SD_Error: SD Card Error code.
|
|
|
- */
|
|
|
-static SD_Error FindSCR(uint16_t rca, uint32_t *pscr)
|
|
|
-{
|
|
|
- uint32_t index = 0;
|
|
|
- SD_Error errorstatus = SD_OK;
|
|
|
- uint32_t tempscr[2] = {0, 0};
|
|
|
-
|
|
|
- /* Set Block Size To 8 Bytes */
|
|
|
- /* Send CMD55 APP_CMD with argument as card's RCA */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)8;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Send CMD55 APP_CMD with argument as card's RCA */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
- SDIO_DataInitStructure.SDIO_DataLength = 8;
|
|
|
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_8b;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
|
|
|
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
|
|
|
- SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
-
|
|
|
-
|
|
|
- /* Send ACMD51 SD_APP_SEND_SCR with argument as 0 */
|
|
|
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
|
|
|
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_SEND_SCR;
|
|
|
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
- SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
-
|
|
|
- errorstatus = CmdResp1Error(SDIO_SD_APP_SEND_SCR);
|
|
|
-
|
|
|
- if (errorstatus != SD_OK)
|
|
|
- {
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- while (!(SDIO->STA & (SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
|
|
|
- {
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
|
|
|
- {
|
|
|
- *(tempscr + index) = SDIO_ReadData();
|
|
|
- index++;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
|
|
|
- errorstatus = SD_DATA_TIMEOUT;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
|
|
|
- errorstatus = SD_DATA_CRC_FAIL;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
|
|
|
- errorstatus = SD_RX_OVERRUN;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
|
|
|
- {
|
|
|
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
|
|
|
- errorstatus = SD_START_BIT_ERR;
|
|
|
- return(errorstatus);
|
|
|
- }
|
|
|
-
|
|
|
- /* Clear all the static flags */
|
|
|
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
-
|
|
|
- *(pscr + 1) = ((tempscr[0] & SD_0TO7BITS) << 24) | ((tempscr[0] & SD_8TO15BITS) << 8) | ((tempscr[0] & SD_16TO23BITS) >> 8) | ((tempscr[0] & SD_24TO31BITS) >> 24);
|
|
|
-
|
|
|
- *(pscr) = ((tempscr[1] & SD_0TO7BITS) << 24) | ((tempscr[1] & SD_8TO15BITS) << 8) | ((tempscr[1] & SD_16TO23BITS) >> 8) | ((tempscr[1] & SD_24TO31BITS) >> 24);
|
|
|
-
|
|
|
- return(errorstatus);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Converts the number of bytes in power of two and returns the
|
|
|
- * power.
|
|
|
- * @param NumberOfBytes: number of bytes.
|
|
|
- * @retval None
|
|
|
- */
|
|
|
-static uint8_t convert_from_bytes_to_power_of_two(uint16_t NumberOfBytes)
|
|
|
-{
|
|
|
- uint8_t count = 0;
|
|
|
-
|
|
|
- while (NumberOfBytes != 1)
|
|
|
- {
|
|
|
- NumberOfBytes >>= 1;
|
|
|
- count++;
|
|
|
- }
|
|
|
- return(count);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Configures the SDIO Corresponding GPIO Ports
|
|
|
- * @param None
|
|
|
- * @retval None
|
|
|
- */
|
|
|
-static void GPIO_Configuration(void)
|
|
|
-{
|
|
|
- GPIO_InitTypeDef GPIO_InitStructure;
|
|
|
-
|
|
|
- /* GPIOC and GPIOD Periph clock enable */
|
|
|
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD, ENABLE);
|
|
|
-
|
|
|
- /* Configure PC.08, PC.09, PC.10, PC.11, PC.12 pin: D0, D1, D2, D3, CLK pin */
|
|
|
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12;
|
|
|
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
|
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
|
- GPIO_Init(GPIOC, &GPIO_InitStructure);
|
|
|
-
|
|
|
- /* Configure PD.02 CMD line */
|
|
|
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
|
|
|
- GPIO_Init(GPIOD, &GPIO_InitStructure);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Configures the DMA2 Channel4 for SDIO Tx request.
|
|
|
- * @param BufferSRC: pointer to the source buffer
|
|
|
- * @param BufferSize: buffer size
|
|
|
- * @retval None
|
|
|
- */
|
|
|
-static void DMA_TxConfiguration(uint32_t *BufferSRC, uint32_t BufferSize)
|
|
|
-{
|
|
|
- DMA_InitTypeDef DMA_InitStructure;
|
|
|
-
|
|
|
- DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4);
|
|
|
-
|
|
|
- /* DMA2 Channel4 disable */
|
|
|
- DMA_Cmd(DMA2_Channel4, DISABLE);
|
|
|
-
|
|
|
- /* DMA2 Channel4 Config */
|
|
|
- DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_Address;
|
|
|
- DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)BufferSRC;
|
|
|
- DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
|
|
|
- DMA_InitStructure.DMA_BufferSize = BufferSize / 4;
|
|
|
- DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
|
|
|
- DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
|
|
|
- DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
|
|
|
- DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
|
|
|
- DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
|
|
|
- DMA_InitStructure.DMA_Priority = DMA_Priority_High;
|
|
|
- DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
|
|
|
- DMA_Init(DMA2_Channel4, &DMA_InitStructure);
|
|
|
-
|
|
|
- /* DMA2 Channel4 enable */
|
|
|
- DMA_Cmd(DMA2_Channel4, ENABLE);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @brief Configures the DMA2 Channel4 for SDIO Rx request.
|
|
|
- * @param BufferDST: pointer to the destination buffer
|
|
|
- * @param BufferSize: buffer size
|
|
|
- * @retval None
|
|
|
- */
|
|
|
-static void DMA_RxConfiguration(uint32_t *BufferDST, uint32_t BufferSize)
|
|
|
-{
|
|
|
- DMA_InitTypeDef DMA_InitStructure;
|
|
|
-
|
|
|
- DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4);
|
|
|
-
|
|
|
- /* DMA2 Channel4 disable */
|
|
|
- DMA_Cmd(DMA2_Channel4, DISABLE);
|
|
|
-
|
|
|
- /* DMA2 Channel4 Config */
|
|
|
- DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_Address;
|
|
|
- DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)BufferDST;
|
|
|
- DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
|
|
|
- DMA_InitStructure.DMA_BufferSize = BufferSize / 4;
|
|
|
- DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
|
|
|
- DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
|
|
|
- DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
|
|
|
- DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
|
|
|
- DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
|
|
|
- DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
|
|
|
- DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
|
|
|
+
|
|
|
+ /* SEND CMD55 APP_CMD with RCA as 0 */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0x00;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = SD_VOLTAGE_WINDOW_SD | SDType;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_OP_COND;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp3Error();
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ response = SDIO_GetResponse(SDIO_RESP1);
|
|
|
+ validvoltage = (bool) (((response >> 31) == 1) ? 1 : 0);
|
|
|
+ count++;
|
|
|
+ }
|
|
|
+ if (count >= SD_MAX_VOLT_TRIAL)
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_VOLTRANGE;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response &= SD_HIGH_CAPACITY)
|
|
|
+ {
|
|
|
+ CardType = SDIO_HIGH_CAPACITY_SD_CARD;
|
|
|
+ }
|
|
|
+ }/* else MMC Card */
|
|
|
+ else
|
|
|
+ {
|
|
|
+ CardType = SDIO_MULTIMEDIA_CARD;
|
|
|
+
|
|
|
+ /* Send CMD1 SEND_OP_COND with Argument 0x80FF8000 */
|
|
|
+ while ((!validvoltage) && (count < SD_MAX_VOLT_TRIAL))
|
|
|
+ {
|
|
|
+ /* SEND CMD55 APP_CMD with RCA as 0 */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = SD_VOLTAGE_WINDOW_MMC;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_OP_COND;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp3Error();
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ response = SDIO_GetResponse(SDIO_RESP1);
|
|
|
+ validvoltage = (bool) (((response >> 31) == 1) ? 1 : 0);
|
|
|
+ count++;
|
|
|
+ }
|
|
|
+ if (count >= SD_MAX_VOLT_TRIAL)
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_VOLTRANGE;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return(SD_OK);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Turns the SDIO output signals off.
|
|
|
+ * @param None
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_PowerOFF(void)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+
|
|
|
+ /* Set Power State to OFF */
|
|
|
+ SDIO_SetPowerState(SDIO_PowerState_OFF);
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Intialises all cards or single card as the case may be.
|
|
|
+ * Card(s) come into standby state.
|
|
|
+ * @param None
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_InitializeCards(void)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint16_t rca = 0x01;
|
|
|
+
|
|
|
+ if (SDIO_GetPowerState() == SDIO_PowerState_OFF)
|
|
|
+ {
|
|
|
+ errorstatus = SD_REQUEST_NOT_APPLICABLE;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_SECURE_DIGITAL_IO_CARD != CardType)
|
|
|
+ {
|
|
|
+ /* Send CMD2 ALL_SEND_CID */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0x0;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_ALL_SEND_CID;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Long;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp2Error();
|
|
|
+
|
|
|
+ if (SD_OK != errorstatus)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ CID_Tab[0] = SDIO_GetResponse(SDIO_RESP1);
|
|
|
+ CID_Tab[1] = SDIO_GetResponse(SDIO_RESP2);
|
|
|
+ CID_Tab[2] = SDIO_GetResponse(SDIO_RESP3);
|
|
|
+ CID_Tab[3] = SDIO_GetResponse(SDIO_RESP4);
|
|
|
+ }
|
|
|
+ if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_SECURE_DIGITAL_IO_COMBO_CARD == CardType)
|
|
|
+ || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
|
|
|
+ {
|
|
|
+ /* Send CMD3 SET_REL_ADDR with argument 0 */
|
|
|
+ /* SD Card publishes its RCA. */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0x00;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_REL_ADDR;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp6Error(SDIO_SET_REL_ADDR, &rca);
|
|
|
+
|
|
|
+ if (SD_OK != errorstatus)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (SDIO_MULTIMEDIA_CARD == CardType)
|
|
|
+ {
|
|
|
+ /* Send CMD3 SET_REL_ADDR with argument 0 */
|
|
|
+ /* SD Card publishes its RCA. */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)(rca << 16);
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_REL_ADDR;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp2Error();
|
|
|
+
|
|
|
+ if (SD_OK != errorstatus)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_SECURE_DIGITAL_IO_CARD != CardType)
|
|
|
+ {
|
|
|
+ RCA = rca;
|
|
|
+
|
|
|
+ /* Send CMD9 SEND_CSD with argument as card's RCA */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)(rca << 16);
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_CSD;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Long;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp2Error();
|
|
|
+
|
|
|
+ if (SD_OK != errorstatus)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ CSD_Tab[0] = SDIO_GetResponse(SDIO_RESP1);
|
|
|
+ CSD_Tab[1] = SDIO_GetResponse(SDIO_RESP2);
|
|
|
+ CSD_Tab[2] = SDIO_GetResponse(SDIO_RESP3);
|
|
|
+ CSD_Tab[3] = SDIO_GetResponse(SDIO_RESP4);
|
|
|
+ }
|
|
|
+
|
|
|
+ errorstatus = SD_OK; /* All cards get intialized */
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Returns information about specific card.
|
|
|
+ * @param cardinfo : pointer to a SD_CardInfo structure
|
|
|
+ * that contains all SD card information.
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_GetCardInfo(SD_CardInfo *cardinfo)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint8_t tmp = 0;
|
|
|
+
|
|
|
+ cardinfo->CardType = (uint8_t)CardType;
|
|
|
+ cardinfo->RCA = (uint16_t)RCA;
|
|
|
+
|
|
|
+ /* Byte 0 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[0] & 0xFF000000) >> 24);
|
|
|
+ cardinfo->SD_csd.CSDStruct = (tmp & 0xC0) >> 6;
|
|
|
+ cardinfo->SD_csd.SysSpecVersion = (tmp & 0x3C) >> 2;
|
|
|
+ cardinfo->SD_csd.Reserved1 = tmp & 0x03;
|
|
|
+
|
|
|
+ /* Byte 1 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[0] & 0x00FF0000) >> 16);
|
|
|
+ cardinfo->SD_csd.TAAC = tmp;
|
|
|
+
|
|
|
+ /* Byte 2 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[0] & 0x0000FF00) >> 8);
|
|
|
+ cardinfo->SD_csd.NSAC = tmp;
|
|
|
+
|
|
|
+ /* Byte 3 */
|
|
|
+ tmp = (uint8_t)(CSD_Tab[0] & 0x000000FF);
|
|
|
+ cardinfo->SD_csd.MaxBusClkFrec = tmp;
|
|
|
+
|
|
|
+ /* Byte 4 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[1] & 0xFF000000) >> 24);
|
|
|
+ cardinfo->SD_csd.CardComdClasses = tmp << 4;
|
|
|
+
|
|
|
+ /* Byte 5 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[1] & 0x00FF0000) >> 16);
|
|
|
+ cardinfo->SD_csd.CardComdClasses |= (tmp & 0xF0) >> 4;
|
|
|
+ cardinfo->SD_csd.RdBlockLen = tmp & 0x0F;
|
|
|
+
|
|
|
+ /* Byte 6 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[1] & 0x0000FF00) >> 8);
|
|
|
+ cardinfo->SD_csd.PartBlockRead = (tmp & 0x80) >> 7;
|
|
|
+ cardinfo->SD_csd.WrBlockMisalign = (tmp & 0x40) >> 6;
|
|
|
+ cardinfo->SD_csd.RdBlockMisalign = (tmp & 0x20) >> 5;
|
|
|
+ cardinfo->SD_csd.DSRImpl = (tmp & 0x10) >> 4;
|
|
|
+ cardinfo->SD_csd.Reserved2 = 0; /* Reserved */
|
|
|
+
|
|
|
+ if ((CardType == SDIO_STD_CAPACITY_SD_CARD_V1_1) || (CardType == SDIO_STD_CAPACITY_SD_CARD_V2_0))
|
|
|
+ {
|
|
|
+ cardinfo->SD_csd.DeviceSize = (tmp & 0x03) << 10;
|
|
|
+
|
|
|
+ /* Byte 7 */
|
|
|
+ tmp = (uint8_t)(CSD_Tab[1] & 0x000000FF);
|
|
|
+ cardinfo->SD_csd.DeviceSize |= (tmp) << 2;
|
|
|
+
|
|
|
+ /* Byte 8 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[2] & 0xFF000000) >> 24);
|
|
|
+ cardinfo->SD_csd.DeviceSize |= (tmp & 0xC0) >> 6;
|
|
|
+
|
|
|
+ cardinfo->SD_csd.MaxRdCurrentVDDMin = (tmp & 0x38) >> 3;
|
|
|
+ cardinfo->SD_csd.MaxRdCurrentVDDMax = (tmp & 0x07);
|
|
|
+
|
|
|
+ /* Byte 9 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[2] & 0x00FF0000) >> 16);
|
|
|
+ cardinfo->SD_csd.MaxWrCurrentVDDMin = (tmp & 0xE0) >> 5;
|
|
|
+ cardinfo->SD_csd.MaxWrCurrentVDDMax = (tmp & 0x1C) >> 2;
|
|
|
+ cardinfo->SD_csd.DeviceSizeMul = (tmp & 0x03) << 1;
|
|
|
+ /* Byte 10 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[2] & 0x0000FF00) >> 8);
|
|
|
+ cardinfo->SD_csd.DeviceSizeMul |= (tmp & 0x80) >> 7;
|
|
|
+
|
|
|
+ cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) ;
|
|
|
+ cardinfo->CardCapacity *= (1 << (cardinfo->SD_csd.DeviceSizeMul + 2));
|
|
|
+ cardinfo->CardBlockSize = 1 << (cardinfo->SD_csd.RdBlockLen);
|
|
|
+ cardinfo->CardCapacity *= cardinfo->CardBlockSize;
|
|
|
+ }
|
|
|
+ else if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
|
|
|
+ {
|
|
|
+ /* Byte 7 */
|
|
|
+ tmp = (uint8_t)(CSD_Tab[1] & 0x000000FF);
|
|
|
+ cardinfo->SD_csd.DeviceSize = (tmp & 0x3F) << 16;
|
|
|
+
|
|
|
+ /* Byte 8 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[2] & 0xFF000000) >> 24);
|
|
|
+
|
|
|
+ cardinfo->SD_csd.DeviceSize |= (tmp << 8);
|
|
|
+
|
|
|
+ /* Byte 9 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[2] & 0x00FF0000) >> 16);
|
|
|
+
|
|
|
+ cardinfo->SD_csd.DeviceSize |= (tmp);
|
|
|
+
|
|
|
+ /* Byte 10 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[2] & 0x0000FF00) >> 8);
|
|
|
+
|
|
|
+ cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) * 512 * 1024;
|
|
|
+ cardinfo->CardBlockSize = 512;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ cardinfo->SD_csd.EraseGrSize = (tmp & 0x40) >> 6;
|
|
|
+ cardinfo->SD_csd.EraseGrMul = (tmp & 0x3F) << 1;
|
|
|
+
|
|
|
+ /* Byte 11 */
|
|
|
+ tmp = (uint8_t)(CSD_Tab[2] & 0x000000FF);
|
|
|
+ cardinfo->SD_csd.EraseGrMul |= (tmp & 0x80) >> 7;
|
|
|
+ cardinfo->SD_csd.WrProtectGrSize = (tmp & 0x7F);
|
|
|
+
|
|
|
+ /* Byte 12 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[3] & 0xFF000000) >> 24);
|
|
|
+ cardinfo->SD_csd.WrProtectGrEnable = (tmp & 0x80) >> 7;
|
|
|
+ cardinfo->SD_csd.ManDeflECC = (tmp & 0x60) >> 5;
|
|
|
+ cardinfo->SD_csd.WrSpeedFact = (tmp & 0x1C) >> 2;
|
|
|
+ cardinfo->SD_csd.MaxWrBlockLen = (tmp & 0x03) << 2;
|
|
|
+
|
|
|
+ /* Byte 13 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[3] & 0x00FF0000) >> 16);
|
|
|
+ cardinfo->SD_csd.MaxWrBlockLen |= (tmp & 0xC0) >> 6;
|
|
|
+ cardinfo->SD_csd.WriteBlockPaPartial = (tmp & 0x20) >> 5;
|
|
|
+ cardinfo->SD_csd.Reserved3 = 0;
|
|
|
+ cardinfo->SD_csd.ContentProtectAppli = (tmp & 0x01);
|
|
|
+
|
|
|
+ /* Byte 14 */
|
|
|
+ tmp = (uint8_t)((CSD_Tab[3] & 0x0000FF00) >> 8);
|
|
|
+ cardinfo->SD_csd.FileFormatGrouop = (tmp & 0x80) >> 7;
|
|
|
+ cardinfo->SD_csd.CopyFlag = (tmp & 0x40) >> 6;
|
|
|
+ cardinfo->SD_csd.PermWrProtect = (tmp & 0x20) >> 5;
|
|
|
+ cardinfo->SD_csd.TempWrProtect = (tmp & 0x10) >> 4;
|
|
|
+ cardinfo->SD_csd.FileFormat = (tmp & 0x0C) >> 2;
|
|
|
+ cardinfo->SD_csd.ECC = (tmp & 0x03);
|
|
|
+
|
|
|
+ /* Byte 15 */
|
|
|
+ tmp = (uint8_t)(CSD_Tab[3] & 0x000000FF);
|
|
|
+ cardinfo->SD_csd.CSD_CRC = (tmp & 0xFE) >> 1;
|
|
|
+ cardinfo->SD_csd.Reserved4 = 1;
|
|
|
+
|
|
|
+
|
|
|
+ /* Byte 0 */
|
|
|
+ tmp = (uint8_t)((CID_Tab[0] & 0xFF000000) >> 24);
|
|
|
+ cardinfo->SD_cid.ManufacturerID = tmp;
|
|
|
+
|
|
|
+ /* Byte 1 */
|
|
|
+ tmp = (uint8_t)((CID_Tab[0] & 0x00FF0000) >> 16);
|
|
|
+ cardinfo->SD_cid.OEM_AppliID = tmp << 8;
|
|
|
+
|
|
|
+ /* Byte 2 */
|
|
|
+ tmp = (uint8_t)((CID_Tab[0] & 0x000000FF00) >> 8);
|
|
|
+ cardinfo->SD_cid.OEM_AppliID |= tmp;
|
|
|
+
|
|
|
+ /* Byte 3 */
|
|
|
+ tmp = (uint8_t)(CID_Tab[0] & 0x000000FF);
|
|
|
+ cardinfo->SD_cid.ProdName1 = tmp << 24;
|
|
|
+
|
|
|
+ /* Byte 4 */
|
|
|
+ tmp = (uint8_t)((CID_Tab[1] & 0xFF000000) >> 24);
|
|
|
+ cardinfo->SD_cid.ProdName1 |= tmp << 16;
|
|
|
+
|
|
|
+ /* Byte 5 */
|
|
|
+ tmp = (uint8_t)((CID_Tab[1] & 0x00FF0000) >> 16);
|
|
|
+ cardinfo->SD_cid.ProdName1 |= tmp << 8;
|
|
|
+
|
|
|
+ /* Byte 6 */
|
|
|
+ tmp = (uint8_t)((CID_Tab[1] & 0x0000FF00) >> 8);
|
|
|
+ cardinfo->SD_cid.ProdName1 |= tmp;
|
|
|
+
|
|
|
+ /* Byte 7 */
|
|
|
+ tmp = (uint8_t)(CID_Tab[1] & 0x000000FF);
|
|
|
+ cardinfo->SD_cid.ProdName2 = tmp;
|
|
|
+
|
|
|
+ /* Byte 8 */
|
|
|
+ tmp = (uint8_t)((CID_Tab[2] & 0xFF000000) >> 24);
|
|
|
+ cardinfo->SD_cid.ProdRev = tmp;
|
|
|
+
|
|
|
+ /* Byte 9 */
|
|
|
+ tmp = (uint8_t)((CID_Tab[2] & 0x00FF0000) >> 16);
|
|
|
+ cardinfo->SD_cid.ProdSN = tmp << 24;
|
|
|
+
|
|
|
+ /* Byte 10 */
|
|
|
+ tmp = (uint8_t)((CID_Tab[2] & 0x0000FF00) >> 8);
|
|
|
+ cardinfo->SD_cid.ProdSN |= tmp << 16;
|
|
|
+
|
|
|
+ /* Byte 11 */
|
|
|
+ tmp = (uint8_t)(CID_Tab[2] & 0x000000FF);
|
|
|
+ cardinfo->SD_cid.ProdSN |= tmp << 8;
|
|
|
+
|
|
|
+ /* Byte 12 */
|
|
|
+ tmp = (uint8_t)((CID_Tab[3] & 0xFF000000) >> 24);
|
|
|
+ cardinfo->SD_cid.ProdSN |= tmp;
|
|
|
+
|
|
|
+ /* Byte 13 */
|
|
|
+ tmp = (uint8_t)((CID_Tab[3] & 0x00FF0000) >> 16);
|
|
|
+ cardinfo->SD_cid.Reserved1 |= (tmp & 0xF0) >> 4;
|
|
|
+ cardinfo->SD_cid.ManufactDate = (tmp & 0x0F) << 8;
|
|
|
+
|
|
|
+ /* Byte 14 */
|
|
|
+ tmp = (uint8_t)((CID_Tab[3] & 0x0000FF00) >> 8);
|
|
|
+ cardinfo->SD_cid.ManufactDate |= tmp;
|
|
|
+
|
|
|
+ /* Byte 15 */
|
|
|
+ tmp = (uint8_t)(CID_Tab[3] & 0x000000FF);
|
|
|
+ cardinfo->SD_cid.CID_CRC = (tmp & 0xFE) >> 1;
|
|
|
+ cardinfo->SD_cid.Reserved2 = 1;
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Enables wide bus opeartion for the requeseted card if
|
|
|
+ * supported by card.
|
|
|
+ * @param WideMode: Specifies the SD card wide bus mode.
|
|
|
+ * This parameter can be one of the following values:
|
|
|
+ * @arg SDIO_BusWide_8b: 8-bit data transfer (Only for MMC)
|
|
|
+ * @arg SDIO_BusWide_4b: 4-bit data transfer
|
|
|
+ * @arg SDIO_BusWide_1b: 1-bit data transfer
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_EnableWideBusOperation(uint32_t WideMode)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+
|
|
|
+ /* MMC Card doesn't support this feature */
|
|
|
+ if (SDIO_MULTIMEDIA_CARD == CardType)
|
|
|
+ {
|
|
|
+ errorstatus = SD_UNSUPPORTED_FEATURE;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
|
|
|
+ {
|
|
|
+ if (SDIO_BusWide_8b == WideMode)
|
|
|
+ {
|
|
|
+ errorstatus = SD_UNSUPPORTED_FEATURE;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_BusWide_4b == WideMode)
|
|
|
+ {
|
|
|
+ errorstatus = SDEnWideBus(ENABLE);
|
|
|
+
|
|
|
+ if (SD_OK == errorstatus)
|
|
|
+ {
|
|
|
+ /* Configure the SDIO peripheral */
|
|
|
+ SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
|
|
|
+ SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
|
|
|
+ SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
|
|
|
+ SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
|
|
|
+ SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_4b;
|
|
|
+ SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
|
|
|
+ SDIO_Init(&SDIO_InitStructure);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ errorstatus = SDEnWideBus(DISABLE);
|
|
|
+
|
|
|
+ if (SD_OK == errorstatus)
|
|
|
+ {
|
|
|
+ /* Configure the SDIO peripheral */
|
|
|
+ SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
|
|
|
+ SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
|
|
|
+ SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
|
|
|
+ SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
|
|
|
+ SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
|
|
|
+ SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
|
|
|
+ SDIO_Init(&SDIO_InitStructure);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Sets device mode whether to operate in Polling, Interrupt or
|
|
|
+ * DMA mode.
|
|
|
+ * @param Mode: Specifies the Data Transfer mode.
|
|
|
+ * This parameter can be one of the following values:
|
|
|
+ * @arg SD_DMA_MODE: Data transfer using DMA.
|
|
|
+ * @arg SD_INTERRUPT_MODE: Data transfer using interrupts.
|
|
|
+ * @arg SD_POLLING_MODE: Data transfer using flags.
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_SetDeviceMode(uint32_t Mode)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+
|
|
|
+ if ((Mode == SD_DMA_MODE) || (Mode == SD_INTERRUPT_MODE) || (Mode == SD_POLLING_MODE))
|
|
|
+ {
|
|
|
+ DeviceMode = Mode;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_PARAMETER;
|
|
|
+ }
|
|
|
+ return(errorstatus);
|
|
|
+
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Selects od Deselects the corresponding card.
|
|
|
+ * @param addr: Address of the Card to be selected.
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_SelectDeselect(uint32_t addr)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+
|
|
|
+ /* Send CMD7 SDIO_SEL_DESEL_CARD */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = addr;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEL_DESEL_CARD;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SEL_DESEL_CARD);
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Allows to read one block from a specified address in a card.
|
|
|
+ * @param addr: Address from where data are to be read.
|
|
|
+ * @param readbuff: pointer to the buffer that will contain the
|
|
|
+ * received data
|
|
|
+ * @param BlockSize: the SD card Data block size.
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_ReadBlock(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint32_t count = 0, *tempbuff = readbuff;
|
|
|
+ uint8_t power = 0;
|
|
|
+
|
|
|
+ if (NULL == readbuff)
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_PARAMETER;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ TransferError = SD_OK;
|
|
|
+ TransferEnd = 0;
|
|
|
+ TotalNumberOfBytes = 0;
|
|
|
+
|
|
|
+ /* Clear all DPSM configuration */
|
|
|
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataLength = 0;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
|
|
|
+ SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
+ SDIO_DMACmd(DISABLE);
|
|
|
+
|
|
|
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
+ {
|
|
|
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
|
|
|
+ {
|
|
|
+ BlockSize = 512;
|
|
|
+ addr /= 512;
|
|
|
+ }
|
|
|
+ if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
|
|
|
+ {
|
|
|
+ power = convert_from_bytes_to_power_of_two(BlockSize);
|
|
|
+
|
|
|
+ /* Set Block Size for Card */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
|
|
|
+
|
|
|
+ if (SD_OK != errorstatus)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_PARAMETER;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataLength = BlockSize;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
|
|
|
+ SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
+
|
|
|
+ TotalNumberOfBytes = BlockSize;
|
|
|
+ StopCondition = 0;
|
|
|
+ DestBuffer = readbuff;
|
|
|
+
|
|
|
+ /* Send CMD17 READ_SINGLE_BLOCK */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_READ_SINGLE_BLOCK;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_READ_SINGLE_BLOCK);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ /* In case of single block transfer, no need of stop transfer at all.*/
|
|
|
+ if (DeviceMode == SD_POLLING_MODE)
|
|
|
+ {
|
|
|
+ /* Polling mode */
|
|
|
+ while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
|
|
|
+ {
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
|
|
|
+ {
|
|
|
+ for (count = 0; count < 8; count++)
|
|
|
+ {
|
|
|
+ *(tempbuff + count) = SDIO_ReadData();
|
|
|
+ }
|
|
|
+ tempbuff += 8;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
|
|
|
+ errorstatus = SD_DATA_TIMEOUT;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
|
|
|
+ errorstatus = SD_DATA_CRC_FAIL;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
|
|
|
+ errorstatus = SD_RX_OVERRUN;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_STBITERR);
|
|
|
+ errorstatus = SD_START_BIT_ERR;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
|
|
|
+ {
|
|
|
+ *tempbuff = SDIO_ReadData();
|
|
|
+ tempbuff++;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Clear all the static flags */
|
|
|
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
+ }
|
|
|
+ else if (DeviceMode == SD_INTERRUPT_MODE)
|
|
|
+ {
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_RXFIFOHF | SDIO_IT_STBITERR, ENABLE);
|
|
|
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
+ {}
|
|
|
+ if (TransferError != SD_OK)
|
|
|
+ {
|
|
|
+ return(TransferError);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else if (DeviceMode == SD_DMA_MODE)
|
|
|
+ {
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE);
|
|
|
+ SDIO_DMACmd(ENABLE);
|
|
|
+ DMA_RxConfiguration(readbuff, BlockSize);
|
|
|
+ while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
|
|
|
+ {}
|
|
|
+ }
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Allows to read blocks from a specified address in a card.
|
|
|
+ * @param addr: Address from where data are to be read.
|
|
|
+ * @param readbuff: pointer to the buffer that will contain the
|
|
|
+ * received data.
|
|
|
+ * @param BlockSize: the SD card Data block size.
|
|
|
+ * @param NumberOfBlocks: number of blocks to be read.
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_ReadMultiBlocks(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize, uint32_t NumberOfBlocks)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint32_t count = 0, *tempbuff = readbuff;
|
|
|
+ uint8_t power = 0;
|
|
|
+
|
|
|
+ if (NULL == readbuff)
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_PARAMETER;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ TransferError = SD_OK;
|
|
|
+ TransferEnd = 0;
|
|
|
+ TotalNumberOfBytes = 0;
|
|
|
+
|
|
|
+ /* Clear all DPSM configuration */
|
|
|
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataLength = 0;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
|
|
|
+ SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
+ SDIO_DMACmd(DISABLE);
|
|
|
+
|
|
|
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
+ {
|
|
|
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
|
|
|
+ {
|
|
|
+ BlockSize = 512;
|
|
|
+ addr /= 512;
|
|
|
+ }
|
|
|
+
|
|
|
+ if ((BlockSize > 0) && (BlockSize <= 2048) && (0 == (BlockSize & (BlockSize - 1))))
|
|
|
+ {
|
|
|
+ power = convert_from_bytes_to_power_of_two(BlockSize);
|
|
|
+
|
|
|
+ /* Set Block Size for Card */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
|
|
|
+
|
|
|
+ if (SD_OK != errorstatus)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_PARAMETER;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (NumberOfBlocks > 1)
|
|
|
+ {
|
|
|
+ /* Common to all modes */
|
|
|
+ if (NumberOfBlocks * BlockSize > SD_MAX_DATA_LENGTH)
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_PARAMETER;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ TotalNumberOfBytes = NumberOfBlocks * BlockSize;
|
|
|
+ StopCondition = 1;
|
|
|
+ DestBuffer = readbuff;
|
|
|
+
|
|
|
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataLength = NumberOfBlocks * BlockSize;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
|
|
|
+ SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
+
|
|
|
+ /* Send CMD18 READ_MULT_BLOCK with argument data address */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_READ_MULT_BLOCK;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_READ_MULT_BLOCK);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (DeviceMode == SD_POLLING_MODE)
|
|
|
+ {
|
|
|
+ /* Polling mode */
|
|
|
+ while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DATAEND | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
|
|
|
+ {
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
|
|
|
+ {
|
|
|
+ for (count = 0; count < SD_HALFFIFO; count++)
|
|
|
+ {
|
|
|
+ *(tempbuff + count) = SDIO_ReadData();
|
|
|
+ }
|
|
|
+ tempbuff += SD_HALFFIFO;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
|
|
|
+ errorstatus = SD_DATA_TIMEOUT;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
|
|
|
+ errorstatus = SD_DATA_CRC_FAIL;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
|
|
|
+ errorstatus = SD_RX_OVERRUN;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_STBITERR);
|
|
|
+ errorstatus = SD_START_BIT_ERR;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
|
|
|
+ {
|
|
|
+ *tempbuff = SDIO_ReadData();
|
|
|
+ tempbuff++;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DATAEND) != RESET)
|
|
|
+ {
|
|
|
+ /* In Case Of SD-CARD Send Command STOP_TRANSMISSION */
|
|
|
+ if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType))
|
|
|
+ {
|
|
|
+ /* Send CMD12 STOP_TRANSMISSION */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0x0;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /* Clear all the static flags */
|
|
|
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
+ }
|
|
|
+ else if (DeviceMode == SD_INTERRUPT_MODE)
|
|
|
+ {
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_RXFIFOHF | SDIO_IT_STBITERR, ENABLE);
|
|
|
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
+ {}
|
|
|
+ if (TransferError != SD_OK)
|
|
|
+ {
|
|
|
+ return(TransferError);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else if (DeviceMode == SD_DMA_MODE)
|
|
|
+ {
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE);
|
|
|
+ SDIO_DMACmd(ENABLE);
|
|
|
+ DMA_RxConfiguration(readbuff, (NumberOfBlocks * BlockSize));
|
|
|
+ while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
|
|
|
+ {}
|
|
|
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
+ {}
|
|
|
+ if (TransferError != SD_OK)
|
|
|
+ {
|
|
|
+ return(TransferError);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Allows to write one block starting from a specified address
|
|
|
+ * in a card.
|
|
|
+ * @param addr: Address from where data are to be read.
|
|
|
+ * @param writebuff: pointer to the buffer that contain the data to be
|
|
|
+ * transferred.
|
|
|
+ * @param BlockSize: the SD card Data block size.
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_WriteBlock(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint8_t power = 0, cardstate = 0;
|
|
|
+ uint32_t timeout = 0, bytestransferred = 0;
|
|
|
+ uint32_t cardstatus = 0, count = 0, restwords = 0;
|
|
|
+ uint32_t *tempbuff = writebuff;
|
|
|
+
|
|
|
+ if (writebuff == NULL)
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_PARAMETER;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ TransferError = SD_OK;
|
|
|
+ TransferEnd = 0;
|
|
|
+ TotalNumberOfBytes = 0;
|
|
|
+
|
|
|
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataLength = 0;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
|
|
|
+ SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
+ SDIO_DMACmd(DISABLE);
|
|
|
+
|
|
|
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
+ {
|
|
|
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
|
|
|
+ {
|
|
|
+ BlockSize = 512;
|
|
|
+ addr /= 512;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Set the block size, both on controller and card */
|
|
|
+ if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
|
|
|
+ {
|
|
|
+ power = convert_from_bytes_to_power_of_two(BlockSize);
|
|
|
+
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_PARAMETER;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Wait till card is ready for data Added */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ cardstatus = SDIO_GetResponse(SDIO_RESP1);
|
|
|
+
|
|
|
+ timeout = SD_DATATIMEOUT;
|
|
|
+
|
|
|
+ while (((cardstatus & 0x00000100) == 0) && (timeout > 0))
|
|
|
+ {
|
|
|
+ timeout--;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ cardstatus = SDIO_GetResponse(SDIO_RESP1);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (timeout == 0)
|
|
|
+ {
|
|
|
+ return(SD_ERROR);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Send CMD24 WRITE_SINGLE_BLOCK */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = addr;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_WRITE_SINGLE_BLOCK;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_WRITE_SINGLE_BLOCK);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ TotalNumberOfBytes = BlockSize;
|
|
|
+ StopCondition = 0;
|
|
|
+ SrcBuffer = writebuff;
|
|
|
+
|
|
|
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataLength = BlockSize;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
|
|
|
+ SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
+
|
|
|
+ /* In case of single data block transfer no need of stop command at all */
|
|
|
+ if (DeviceMode == SD_POLLING_MODE)
|
|
|
+ {
|
|
|
+ while (!(SDIO->STA & (SDIO_FLAG_DBCKEND | SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
|
|
|
+ {
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_TXFIFOHE) != RESET)
|
|
|
+ {
|
|
|
+ if ((TotalNumberOfBytes - bytestransferred) < 32)
|
|
|
+ {
|
|
|
+ restwords = ((TotalNumberOfBytes - bytestransferred) % 4 == 0) ? ((TotalNumberOfBytes - bytestransferred) / 4) : (( TotalNumberOfBytes - bytestransferred) / 4 + 1);
|
|
|
+
|
|
|
+ for (count = 0; count < restwords; count++, tempbuff++, bytestransferred += 4)
|
|
|
+ {
|
|
|
+ SDIO_WriteData(*tempbuff);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ for (count = 0; count < 8; count++)
|
|
|
+ {
|
|
|
+ SDIO_WriteData(*(tempbuff + count));
|
|
|
+ }
|
|
|
+ tempbuff += 8;
|
|
|
+ bytestransferred += 32;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
|
|
|
+ errorstatus = SD_DATA_TIMEOUT;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
|
|
|
+ errorstatus = SD_DATA_CRC_FAIL;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_TXUNDERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_TXUNDERR);
|
|
|
+ errorstatus = SD_TX_UNDERRUN;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_STBITERR);
|
|
|
+ errorstatus = SD_START_BIT_ERR;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else if (DeviceMode == SD_INTERRUPT_MODE)
|
|
|
+ {
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_FLAG_TXFIFOHE | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
|
|
|
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
+ {}
|
|
|
+ if (TransferError != SD_OK)
|
|
|
+ {
|
|
|
+ return(TransferError);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else if (DeviceMode == SD_DMA_MODE)
|
|
|
+ {
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
|
|
|
+ DMA_TxConfiguration(writebuff, BlockSize);
|
|
|
+ SDIO_DMACmd(ENABLE);
|
|
|
+ while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
|
|
|
+ {}
|
|
|
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
+ {}
|
|
|
+ if (TransferError != SD_OK)
|
|
|
+ {
|
|
|
+ return(TransferError);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Clear all the static flags */
|
|
|
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
+
|
|
|
+ /* Wait till the card is in programming state */
|
|
|
+ errorstatus = IsCardProgramming(&cardstate);
|
|
|
+
|
|
|
+ while ((errorstatus == SD_OK) && ((cardstate == SD_CARD_PROGRAMMING) || (cardstate == SD_CARD_RECEIVING)))
|
|
|
+ {
|
|
|
+ errorstatus = IsCardProgramming(&cardstate);
|
|
|
+ }
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Allows to write blocks starting from a specified address in
|
|
|
+ * a card.
|
|
|
+ * @param addr: Address from where data are to be read.
|
|
|
+ * @param writebuff: pointer to the buffer that contain the data to be
|
|
|
+ * transferred.
|
|
|
+ * @param BlockSize: the SD card Data block size.
|
|
|
+ * @param NumberOfBlocks: number of blocks to be written.
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_WriteMultiBlocks(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize, uint32_t NumberOfBlocks)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint8_t power = 0, cardstate = 0;
|
|
|
+ uint32_t bytestransferred = 0;
|
|
|
+ uint32_t count = 0, restwords = 0;
|
|
|
+ uint32_t *tempbuff = writebuff;
|
|
|
+
|
|
|
+ if (writebuff == NULL)
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_PARAMETER;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ TransferError = SD_OK;
|
|
|
+ TransferEnd = 0;
|
|
|
+ TotalNumberOfBytes = 0;
|
|
|
+
|
|
|
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataLength = 0;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
|
|
|
+ SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
+ SDIO_DMACmd(DISABLE);
|
|
|
+
|
|
|
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
+ {
|
|
|
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
|
|
|
+ {
|
|
|
+ BlockSize = 512;
|
|
|
+ addr /= 512;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Set the block size, both on controller and card */
|
|
|
+ if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
|
|
|
+ {
|
|
|
+ power = convert_from_bytes_to_power_of_two(BlockSize);
|
|
|
+
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_PARAMETER;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Wait till card is ready for data Added */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (NumberOfBlocks > 1)
|
|
|
+ {
|
|
|
+ /* Common to all modes */
|
|
|
+ if (NumberOfBlocks * BlockSize > SD_MAX_DATA_LENGTH)
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_PARAMETER;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
|
|
|
+ {
|
|
|
+ /* To improve performance */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16);
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ /* To improve performance */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)NumberOfBlocks;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCK_COUNT;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCK_COUNT);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Send CMD25 WRITE_MULT_BLOCK with argument data address */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_WRITE_MULT_BLOCK;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_WRITE_MULT_BLOCK);
|
|
|
+
|
|
|
+ if (SD_OK != errorstatus)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ TotalNumberOfBytes = NumberOfBlocks * BlockSize;
|
|
|
+ StopCondition = 1;
|
|
|
+ SrcBuffer = writebuff;
|
|
|
+
|
|
|
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataLength = NumberOfBlocks * BlockSize;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
|
|
|
+ SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
+
|
|
|
+ if (DeviceMode == SD_POLLING_MODE)
|
|
|
+ {
|
|
|
+ while (!(SDIO->STA & (SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DATAEND | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
|
|
|
+ {
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_TXFIFOHE) != RESET)
|
|
|
+ {
|
|
|
+ if (!((TotalNumberOfBytes - bytestransferred) < SD_HALFFIFOBYTES))
|
|
|
+ {
|
|
|
+ for (count = 0; count < SD_HALFFIFO; count++)
|
|
|
+ {
|
|
|
+ SDIO_WriteData(*(tempbuff + count));
|
|
|
+ }
|
|
|
+ tempbuff += SD_HALFFIFO;
|
|
|
+ bytestransferred += SD_HALFFIFOBYTES;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ restwords = ((TotalNumberOfBytes - bytestransferred) % 4 == 0) ? ((TotalNumberOfBytes - bytestransferred) / 4) :
|
|
|
+ ((TotalNumberOfBytes - bytestransferred) / 4 + 1);
|
|
|
+
|
|
|
+ for (count = 0; count < restwords; count++, tempbuff++, bytestransferred += 4)
|
|
|
+ {
|
|
|
+ SDIO_WriteData(*tempbuff);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
|
|
|
+ errorstatus = SD_DATA_TIMEOUT;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
|
|
|
+ errorstatus = SD_DATA_CRC_FAIL;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_TXUNDERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_TXUNDERR);
|
|
|
+ errorstatus = SD_TX_UNDERRUN;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_STBITERR);
|
|
|
+ errorstatus = SD_START_BIT_ERR;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DATAEND) != RESET)
|
|
|
+ {
|
|
|
+ if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
|
|
|
+ {
|
|
|
+ /* Send CMD12 STOP_TRANSMISSION */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0x0;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else if (DeviceMode == SD_INTERRUPT_MODE)
|
|
|
+ {
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXFIFOHE | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
|
|
|
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
+ {}
|
|
|
+ if (TransferError != SD_OK)
|
|
|
+ {
|
|
|
+ return(TransferError);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else if (DeviceMode == SD_DMA_MODE)
|
|
|
+ {
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
|
|
|
+ SDIO_DMACmd(ENABLE);
|
|
|
+ DMA_TxConfiguration(writebuff, (NumberOfBlocks * BlockSize));
|
|
|
+ while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
|
|
|
+ {}
|
|
|
+ while ((TransferEnd == 0) && (TransferError == SD_OK))
|
|
|
+ {}
|
|
|
+ if (TransferError != SD_OK)
|
|
|
+ {
|
|
|
+ return(TransferError);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /* Clear all the static flags */
|
|
|
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
+
|
|
|
+ /* Wait till the card is in programming state */
|
|
|
+ errorstatus = IsCardProgramming(&cardstate);
|
|
|
+
|
|
|
+ while ((errorstatus == SD_OK) && ((cardstate == SD_CARD_PROGRAMMING) || (cardstate == SD_CARD_RECEIVING)))
|
|
|
+ {
|
|
|
+ errorstatus = IsCardProgramming(&cardstate);
|
|
|
+ }
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Gets the cuurent data transfer state.
|
|
|
+ * @param None
|
|
|
+ * @retval SDTransferState: Data Transfer state.
|
|
|
+ * This value can be:
|
|
|
+ * - SD_NO_TRANSFER: No data transfer is acting
|
|
|
+ * - SD_TRANSFER_IN_PROGRESS: Data transfer is acting
|
|
|
+ */
|
|
|
+SDTransferState SD_GetTransferState(void)
|
|
|
+{
|
|
|
+ if (SDIO->STA & (SDIO_FLAG_TXACT | SDIO_FLAG_RXACT))
|
|
|
+ {
|
|
|
+ return(SD_TRANSFER_IN_PROGRESS);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ return(SD_NO_TRANSFER);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Aborts an ongoing data transfer.
|
|
|
+ * @param None
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_StopTransfer(void)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+
|
|
|
+ /* Send CMD12 STOP_TRANSMISSION */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0x0;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Allows to erase memory area specified for the given card.
|
|
|
+ * @param startaddr: the start address.
|
|
|
+ * @param endaddr: the end address.
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_Erase(uint32_t startaddr, uint32_t endaddr)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint32_t delay = 0;
|
|
|
+ __IO uint32_t maxdelay = 0;
|
|
|
+ uint8_t cardstate = 0;
|
|
|
+
|
|
|
+ /* Check if the card coomnd class supports erase command */
|
|
|
+ if (((CSD_Tab[1] >> 20) & SD_CCCC_ERASE) == 0)
|
|
|
+ {
|
|
|
+ errorstatus = SD_REQUEST_NOT_APPLICABLE;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ maxdelay = 72000 / ((SDIO->CLKCR & 0xFF) + 2);
|
|
|
+
|
|
|
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
+ {
|
|
|
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
|
|
|
+ {
|
|
|
+ startaddr /= 512;
|
|
|
+ endaddr /= 512;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* According to sd-card spec 1.0 ERASE_GROUP_START (CMD32) and erase_group_end(CMD33) */
|
|
|
+ if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
|
|
|
+ {
|
|
|
+ /* Send CMD32 SD_ERASE_GRP_START with argument as addr */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = startaddr;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_ERASE_GRP_START;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SD_ERASE_GRP_START);
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Send CMD33 SD_ERASE_GRP_END with argument as addr */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = endaddr;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_ERASE_GRP_END;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SD_ERASE_GRP_END);
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Send CMD38 ERASE */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_ERASE;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_ERASE);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ for (delay = 0; delay < maxdelay; delay++)
|
|
|
+ {}
|
|
|
+
|
|
|
+ /* Wait till the card is in programming state */
|
|
|
+ errorstatus = IsCardProgramming(&cardstate);
|
|
|
+
|
|
|
+ while ((errorstatus == SD_OK) && ((SD_CARD_PROGRAMMING == cardstate) || (SD_CARD_RECEIVING == cardstate)))
|
|
|
+ {
|
|
|
+ errorstatus = IsCardProgramming(&cardstate);
|
|
|
+ }
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Returns the current card's status.
|
|
|
+ * @param pcardstatus: pointer to the buffer that will contain the SD
|
|
|
+ * card status (Card Status register).
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_SendStatus(uint32_t *pcardstatus)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+
|
|
|
+ if (pcardstatus == NULL)
|
|
|
+ {
|
|
|
+ errorstatus = SD_INVALID_PARAMETER;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ *pcardstatus = SDIO_GetResponse(SDIO_RESP1);
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Returns the current SD card's status.
|
|
|
+ * @param psdstatus: pointer to the buffer that will contain the SD
|
|
|
+ * card status (SD Status register).
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_SendSDStatus(uint32_t *psdstatus)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint32_t count = 0;
|
|
|
+
|
|
|
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
+ {
|
|
|
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Set block size for card if it is not equal to current block size for card. */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 64;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* CMD55 */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataLength = 64;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_64b;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
|
|
|
+ SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
+
|
|
|
+ /* Send ACMD13 SD_APP_STAUS with argument as card's RCA.*/
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_STAUS;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SD_APP_STAUS);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
|
|
|
+ {
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
|
|
|
+ {
|
|
|
+ for (count = 0; count < 8; count++)
|
|
|
+ {
|
|
|
+ *(psdstatus + count) = SDIO_ReadData();
|
|
|
+ }
|
|
|
+ psdstatus += 8;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
|
|
|
+ errorstatus = SD_DATA_TIMEOUT;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
|
|
|
+ errorstatus = SD_DATA_CRC_FAIL;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
|
|
|
+ errorstatus = SD_RX_OVERRUN;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_STBITERR);
|
|
|
+ errorstatus = SD_START_BIT_ERR;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
|
|
|
+ {
|
|
|
+ *psdstatus = SDIO_ReadData();
|
|
|
+ psdstatus++;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Clear all the static status flags*/
|
|
|
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
+ psdstatus -= 16;
|
|
|
+ for (count = 0; count < 16; count++)
|
|
|
+ {
|
|
|
+ psdstatus[count] = ((psdstatus[count] & SD_0TO7BITS) << 24) |((psdstatus[count] & SD_8TO15BITS) << 8) |
|
|
|
+ ((psdstatus[count] & SD_16TO23BITS) >> 8) |((psdstatus[count] & SD_24TO31BITS) >> 24);
|
|
|
+ }
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Allows to process all the interrupts that are high.
|
|
|
+ * @param None
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+SD_Error SD_ProcessIRQSrc(void)
|
|
|
+{
|
|
|
+ uint32_t count = 0, restwords = 0;
|
|
|
+
|
|
|
+ if (DeviceMode == SD_INTERRUPT_MODE)
|
|
|
+ {
|
|
|
+ if (SDIO_GetITStatus(SDIO_IT_RXFIFOHF) != RESET)
|
|
|
+ {
|
|
|
+ for (count = 0; count < SD_HALFFIFO; count++)
|
|
|
+ {
|
|
|
+ *(DestBuffer + count) = SDIO_ReadData();
|
|
|
+ }
|
|
|
+ DestBuffer += SD_HALFFIFO;
|
|
|
+ NumberOfBytes += SD_HALFFIFOBYTES;
|
|
|
+ }
|
|
|
+ else if (SDIO_GetITStatus(SDIO_IT_TXFIFOHE) != RESET)
|
|
|
+ {
|
|
|
+ if ((TotalNumberOfBytes - NumberOfBytes) < SD_HALFFIFOBYTES)
|
|
|
+ {
|
|
|
+ restwords = ((TotalNumberOfBytes - NumberOfBytes) % 4 == 0) ?
|
|
|
+ ((TotalNumberOfBytes - NumberOfBytes) / 4) :
|
|
|
+ ((TotalNumberOfBytes - NumberOfBytes) / 4 + 1);
|
|
|
+
|
|
|
+ for (count = 0; count < restwords; count++, SrcBuffer++, NumberOfBytes += 4)
|
|
|
+ {
|
|
|
+ SDIO_WriteData(*SrcBuffer);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ for (count = 0; count < SD_HALFFIFO; count++)
|
|
|
+ {
|
|
|
+ SDIO_WriteData(*(SrcBuffer + count));
|
|
|
+ }
|
|
|
+
|
|
|
+ SrcBuffer += SD_HALFFIFO;
|
|
|
+ NumberOfBytes += SD_HALFFIFOBYTES;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_GetITStatus(SDIO_IT_DATAEND) != RESET)
|
|
|
+ {
|
|
|
+ if (DeviceMode != SD_DMA_MODE)
|
|
|
+ {
|
|
|
+ while ((SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET) && (NumberOfBytes < TotalNumberOfBytes))
|
|
|
+ {
|
|
|
+ *DestBuffer = SDIO_ReadData();
|
|
|
+ DestBuffer++;
|
|
|
+ NumberOfBytes += 4;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (StopCondition == 1)
|
|
|
+ {
|
|
|
+ TransferError = SD_StopTransfer();
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ TransferError = SD_OK;
|
|
|
+ }
|
|
|
+ SDIO_ClearITPendingBit(SDIO_IT_DATAEND);
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
|
|
|
+ SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
|
|
|
+ SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
|
|
|
+ TransferEnd = 1;
|
|
|
+ NumberOfBytes = 0;
|
|
|
+ return(TransferError);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_GetITStatus(SDIO_IT_DCRCFAIL) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearITPendingBit(SDIO_IT_DCRCFAIL);
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
|
|
|
+ SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
|
|
|
+ SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
|
|
|
+ NumberOfBytes = 0;
|
|
|
+ TransferError = SD_DATA_CRC_FAIL;
|
|
|
+ return(SD_DATA_CRC_FAIL);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_GetITStatus(SDIO_IT_DTIMEOUT) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearITPendingBit(SDIO_IT_DTIMEOUT);
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
|
|
|
+ SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
|
|
|
+ SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
|
|
|
+ NumberOfBytes = 0;
|
|
|
+ TransferError = SD_DATA_TIMEOUT;
|
|
|
+ return(SD_DATA_TIMEOUT);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_GetITStatus(SDIO_IT_RXOVERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearITPendingBit(SDIO_IT_RXOVERR);
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
|
|
|
+ SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
|
|
|
+ SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
|
|
|
+ NumberOfBytes = 0;
|
|
|
+ TransferError = SD_RX_OVERRUN;
|
|
|
+ return(SD_RX_OVERRUN);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_GetITStatus(SDIO_IT_TXUNDERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearITPendingBit(SDIO_IT_TXUNDERR);
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
|
|
|
+ SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
|
|
|
+ SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
|
|
|
+ NumberOfBytes = 0;
|
|
|
+ TransferError = SD_TX_UNDERRUN;
|
|
|
+ return(SD_TX_UNDERRUN);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_GetITStatus(SDIO_IT_STBITERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearITPendingBit(SDIO_IT_STBITERR);
|
|
|
+ SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
|
|
|
+ SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
|
|
|
+ SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
|
|
|
+ NumberOfBytes = 0;
|
|
|
+ TransferError = SD_START_BIT_ERR;
|
|
|
+ return(SD_START_BIT_ERR);
|
|
|
+ }
|
|
|
+
|
|
|
+ return(SD_OK);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Checks for error conditions for CMD0.
|
|
|
+ * @param None
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+static SD_Error CmdError(void)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint32_t timeout;
|
|
|
+
|
|
|
+ timeout = SDIO_CMD0TIMEOUT; /* 10000 */
|
|
|
+
|
|
|
+ while ((timeout > 0) && (SDIO_GetFlagStatus(SDIO_FLAG_CMDSENT) == RESET))
|
|
|
+ {
|
|
|
+ timeout--;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (timeout == 0)
|
|
|
+ {
|
|
|
+ errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Clear all the static flags */
|
|
|
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Checks for error conditions for R7.
|
|
|
+ * response.
|
|
|
+ * @param None
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+static SD_Error CmdResp7Error(void)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint32_t status;
|
|
|
+ uint32_t timeout = SDIO_CMD0TIMEOUT;
|
|
|
+
|
|
|
+ status = SDIO->STA;
|
|
|
+
|
|
|
+ while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)) && (timeout > 0))
|
|
|
+ {
|
|
|
+ timeout--;
|
|
|
+ status = SDIO->STA;
|
|
|
+ }
|
|
|
+
|
|
|
+ if ((timeout == 0) || (status & SDIO_FLAG_CTIMEOUT))
|
|
|
+ {
|
|
|
+ /* Card is not V2.0 complient or card does not support the set voltage range */
|
|
|
+ errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (status & SDIO_FLAG_CMDREND)
|
|
|
+ {
|
|
|
+ /* Card is SD V2.0 compliant */
|
|
|
+ errorstatus = SD_OK;
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_CMDREND);
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Checks for error conditions for R1.
|
|
|
+ * response
|
|
|
+ * @param cmd: The sent command index.
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+static SD_Error CmdResp1Error(uint8_t cmd)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint32_t status;
|
|
|
+ uint32_t response_r1;
|
|
|
+
|
|
|
+ status = SDIO->STA;
|
|
|
+
|
|
|
+ while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
|
|
|
+ {
|
|
|
+ status = SDIO->STA;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (status & SDIO_FLAG_CTIMEOUT)
|
|
|
+ {
|
|
|
+ errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (status & SDIO_FLAG_CCRCFAIL)
|
|
|
+ {
|
|
|
+ errorstatus = SD_CMD_CRC_FAIL;
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Check response received is of desired command */
|
|
|
+ if (SDIO_GetCommandResponse() != cmd)
|
|
|
+ {
|
|
|
+ errorstatus = SD_ILLEGAL_CMD;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Clear all the static flags */
|
|
|
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
+
|
|
|
+ /* We have received response, retrieve it for analysis */
|
|
|
+ response_r1 = SDIO_GetResponse(SDIO_RESP1);
|
|
|
+
|
|
|
+ if ((response_r1 & SD_OCR_ERRORBITS) == SD_ALLZERO)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_ADDR_OUT_OF_RANGE)
|
|
|
+ {
|
|
|
+ return(SD_ADDR_OUT_OF_RANGE);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_ADDR_MISALIGNED)
|
|
|
+ {
|
|
|
+ return(SD_ADDR_MISALIGNED);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_BLOCK_LEN_ERR)
|
|
|
+ {
|
|
|
+ return(SD_BLOCK_LEN_ERR);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_ERASE_SEQ_ERR)
|
|
|
+ {
|
|
|
+ return(SD_ERASE_SEQ_ERR);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_BAD_ERASE_PARAM)
|
|
|
+ {
|
|
|
+ return(SD_BAD_ERASE_PARAM);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_WRITE_PROT_VIOLATION)
|
|
|
+ {
|
|
|
+ return(SD_WRITE_PROT_VIOLATION);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_LOCK_UNLOCK_FAILED)
|
|
|
+ {
|
|
|
+ return(SD_LOCK_UNLOCK_FAILED);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_COM_CRC_FAILED)
|
|
|
+ {
|
|
|
+ return(SD_COM_CRC_FAILED);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_ILLEGAL_CMD)
|
|
|
+ {
|
|
|
+ return(SD_ILLEGAL_CMD);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_CARD_ECC_FAILED)
|
|
|
+ {
|
|
|
+ return(SD_CARD_ECC_FAILED);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_CC_ERROR)
|
|
|
+ {
|
|
|
+ return(SD_CC_ERROR);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_GENERAL_UNKNOWN_ERROR)
|
|
|
+ {
|
|
|
+ return(SD_GENERAL_UNKNOWN_ERROR);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_STREAM_READ_UNDERRUN)
|
|
|
+ {
|
|
|
+ return(SD_STREAM_READ_UNDERRUN);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_STREAM_WRITE_OVERRUN)
|
|
|
+ {
|
|
|
+ return(SD_STREAM_WRITE_OVERRUN);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_CID_CSD_OVERWRIETE)
|
|
|
+ {
|
|
|
+ return(SD_CID_CSD_OVERWRITE);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_WP_ERASE_SKIP)
|
|
|
+ {
|
|
|
+ return(SD_WP_ERASE_SKIP);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_CARD_ECC_DISABLED)
|
|
|
+ {
|
|
|
+ return(SD_CARD_ECC_DISABLED);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_ERASE_RESET)
|
|
|
+ {
|
|
|
+ return(SD_ERASE_RESET);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_OCR_AKE_SEQ_ERROR)
|
|
|
+ {
|
|
|
+ return(SD_AKE_SEQ_ERROR);
|
|
|
+ }
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Checks for error conditions for R3 (OCR).
|
|
|
+ * response.
|
|
|
+ * @param None
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+static SD_Error CmdResp3Error(void)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint32_t status;
|
|
|
+
|
|
|
+ status = SDIO->STA;
|
|
|
+
|
|
|
+ while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
|
|
|
+ {
|
|
|
+ status = SDIO->STA;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (status & SDIO_FLAG_CTIMEOUT)
|
|
|
+ {
|
|
|
+ errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ /* Clear all the static flags */
|
|
|
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Checks for error conditions for R2 (CID or CSD).
|
|
|
+ * response.
|
|
|
+ * @param None
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+static SD_Error CmdResp2Error(void)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint32_t status;
|
|
|
+
|
|
|
+ status = SDIO->STA;
|
|
|
+
|
|
|
+ while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CTIMEOUT | SDIO_FLAG_CMDREND)))
|
|
|
+ {
|
|
|
+ status = SDIO->STA;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (status & SDIO_FLAG_CTIMEOUT)
|
|
|
+ {
|
|
|
+ errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (status & SDIO_FLAG_CCRCFAIL)
|
|
|
+ {
|
|
|
+ errorstatus = SD_CMD_CRC_FAIL;
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Clear all the static flags */
|
|
|
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Checks for error conditions for R6 (RCA).
|
|
|
+ * response.
|
|
|
+ * @param cmd: The sent command index.
|
|
|
+ * @param prca: pointer to the variable that will contain the SD
|
|
|
+ * card relative address RCA.
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+static SD_Error CmdResp6Error(uint8_t cmd, uint16_t *prca)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint32_t status;
|
|
|
+ uint32_t response_r1;
|
|
|
+
|
|
|
+ status = SDIO->STA;
|
|
|
+
|
|
|
+ while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CTIMEOUT | SDIO_FLAG_CMDREND)))
|
|
|
+ {
|
|
|
+ status = SDIO->STA;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (status & SDIO_FLAG_CTIMEOUT)
|
|
|
+ {
|
|
|
+ errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (status & SDIO_FLAG_CCRCFAIL)
|
|
|
+ {
|
|
|
+ errorstatus = SD_CMD_CRC_FAIL;
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Check response received is of desired command */
|
|
|
+ if (SDIO_GetCommandResponse() != cmd)
|
|
|
+ {
|
|
|
+ errorstatus = SD_ILLEGAL_CMD;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Clear all the static flags */
|
|
|
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
+
|
|
|
+ /* We have received response, retrieve it. */
|
|
|
+ response_r1 = SDIO_GetResponse(SDIO_RESP1);
|
|
|
+
|
|
|
+ if (SD_ALLZERO == (response_r1 & (SD_R6_GENERAL_UNKNOWN_ERROR | SD_R6_ILLEGAL_CMD | SD_R6_COM_CRC_FAILED)))
|
|
|
+ {
|
|
|
+ *prca = (uint16_t) (response_r1 >> 16);
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_R6_GENERAL_UNKNOWN_ERROR)
|
|
|
+ {
|
|
|
+ return(SD_GENERAL_UNKNOWN_ERROR);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_R6_ILLEGAL_CMD)
|
|
|
+ {
|
|
|
+ return(SD_ILLEGAL_CMD);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (response_r1 & SD_R6_COM_CRC_FAILED)
|
|
|
+ {
|
|
|
+ return(SD_COM_CRC_FAILED);
|
|
|
+ }
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Enables or disables the SDIO wide bus mode.
|
|
|
+ * @param NewState: new state of the SDIO wide bus mode.
|
|
|
+ * This parameter can be: ENABLE or DISABLE.
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+static SD_Error SDEnWideBus(FunctionalState NewState)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+
|
|
|
+ uint32_t scr[2] = {0, 0};
|
|
|
+
|
|
|
+ if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
|
|
|
+ {
|
|
|
+ errorstatus = SD_LOCK_UNLOCK_FAILED;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Get SCR Register */
|
|
|
+ errorstatus = FindSCR(RCA, scr);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* If wide bus operation to be enabled */
|
|
|
+ if (NewState == ENABLE)
|
|
|
+ {
|
|
|
+ /* If requested card supports wide bus operation */
|
|
|
+ if ((scr[1] & SD_WIDE_BUS_SUPPORT) != SD_ALLZERO)
|
|
|
+ {
|
|
|
+ /* Send CMD55 APP_CMD with argument as card's RCA.*/
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Send ACMD6 APP_CMD with argument as 2 for wide bus mode */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0x2;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_SD_SET_BUSWIDTH;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_APP_SD_SET_BUSWIDTH);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ errorstatus = SD_REQUEST_NOT_APPLICABLE;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ } /* If wide bus operation to be disabled */
|
|
|
+ else
|
|
|
+ {
|
|
|
+ /* If requested card supports 1 bit mode operation */
|
|
|
+ if ((scr[1] & SD_SINGLE_BUS_SUPPORT) != SD_ALLZERO)
|
|
|
+ {
|
|
|
+ /* Send CMD55 APP_CMD with argument as card's RCA.*/
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Send ACMD6 APP_CMD with argument as 2 for wide bus mode */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0x00;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_SD_SET_BUSWIDTH;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_APP_SD_SET_BUSWIDTH);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ errorstatus = SD_REQUEST_NOT_APPLICABLE;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Checks if the SD card is in programming state.
|
|
|
+ * @param pstatus: pointer to the variable that will contain the SD
|
|
|
+ * card state.
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+static SD_Error IsCardProgramming(uint8_t *pstatus)
|
|
|
+{
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ __IO uint32_t respR1 = 0, status = 0;
|
|
|
+
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ status = SDIO->STA;
|
|
|
+ while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
|
|
|
+ {
|
|
|
+ status = SDIO->STA;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (status & SDIO_FLAG_CTIMEOUT)
|
|
|
+ {
|
|
|
+ errorstatus = SD_CMD_RSP_TIMEOUT;
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (status & SDIO_FLAG_CCRCFAIL)
|
|
|
+ {
|
|
|
+ errorstatus = SD_CMD_CRC_FAIL;
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ status = (uint32_t)SDIO_GetCommandResponse();
|
|
|
+
|
|
|
+ /* Check response received is of desired command */
|
|
|
+ if (status != SDIO_SEND_STATUS)
|
|
|
+ {
|
|
|
+ errorstatus = SD_ILLEGAL_CMD;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Clear all the static flags */
|
|
|
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
+
|
|
|
+
|
|
|
+ /* We have received response, retrieve it for analysis */
|
|
|
+ respR1 = SDIO_GetResponse(SDIO_RESP1);
|
|
|
+
|
|
|
+ /* Find out card status */
|
|
|
+ *pstatus = (uint8_t) ((respR1 >> 9) & 0x0000000F);
|
|
|
+
|
|
|
+ if ((respR1 & SD_OCR_ERRORBITS) == SD_ALLZERO)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_ADDR_OUT_OF_RANGE)
|
|
|
+ {
|
|
|
+ return(SD_ADDR_OUT_OF_RANGE);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_ADDR_MISALIGNED)
|
|
|
+ {
|
|
|
+ return(SD_ADDR_MISALIGNED);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_BLOCK_LEN_ERR)
|
|
|
+ {
|
|
|
+ return(SD_BLOCK_LEN_ERR);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_ERASE_SEQ_ERR)
|
|
|
+ {
|
|
|
+ return(SD_ERASE_SEQ_ERR);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_BAD_ERASE_PARAM)
|
|
|
+ {
|
|
|
+ return(SD_BAD_ERASE_PARAM);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_WRITE_PROT_VIOLATION)
|
|
|
+ {
|
|
|
+ return(SD_WRITE_PROT_VIOLATION);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_LOCK_UNLOCK_FAILED)
|
|
|
+ {
|
|
|
+ return(SD_LOCK_UNLOCK_FAILED);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_COM_CRC_FAILED)
|
|
|
+ {
|
|
|
+ return(SD_COM_CRC_FAILED);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_ILLEGAL_CMD)
|
|
|
+ {
|
|
|
+ return(SD_ILLEGAL_CMD);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_CARD_ECC_FAILED)
|
|
|
+ {
|
|
|
+ return(SD_CARD_ECC_FAILED);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_CC_ERROR)
|
|
|
+ {
|
|
|
+ return(SD_CC_ERROR);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_GENERAL_UNKNOWN_ERROR)
|
|
|
+ {
|
|
|
+ return(SD_GENERAL_UNKNOWN_ERROR);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_STREAM_READ_UNDERRUN)
|
|
|
+ {
|
|
|
+ return(SD_STREAM_READ_UNDERRUN);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_STREAM_WRITE_OVERRUN)
|
|
|
+ {
|
|
|
+ return(SD_STREAM_WRITE_OVERRUN);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_CID_CSD_OVERWRIETE)
|
|
|
+ {
|
|
|
+ return(SD_CID_CSD_OVERWRITE);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_WP_ERASE_SKIP)
|
|
|
+ {
|
|
|
+ return(SD_WP_ERASE_SKIP);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_CARD_ECC_DISABLED)
|
|
|
+ {
|
|
|
+ return(SD_CARD_ECC_DISABLED);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_ERASE_RESET)
|
|
|
+ {
|
|
|
+ return(SD_ERASE_RESET);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (respR1 & SD_OCR_AKE_SEQ_ERROR)
|
|
|
+ {
|
|
|
+ return(SD_AKE_SEQ_ERROR);
|
|
|
+ }
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Find the SD card SCR register value.
|
|
|
+ * @param rca: selected card address.
|
|
|
+ * @param pscr: pointer to the buffer that will contain the SCR value.
|
|
|
+ * @retval SD_Error: SD Card Error code.
|
|
|
+ */
|
|
|
+static SD_Error FindSCR(uint16_t rca, uint32_t *pscr)
|
|
|
+{
|
|
|
+ uint32_t index = 0;
|
|
|
+ SD_Error errorstatus = SD_OK;
|
|
|
+ uint32_t tempscr[2] = {0, 0};
|
|
|
+
|
|
|
+ /* Set Block Size To 8 Bytes */
|
|
|
+ /* Send CMD55 APP_CMD with argument as card's RCA */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)8;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Send CMD55 APP_CMD with argument as card's RCA */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_APP_CMD);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataLength = 8;
|
|
|
+ SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_8b;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
|
|
|
+ SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
|
|
|
+ SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
|
|
|
+ SDIO_DataConfig(&SDIO_DataInitStructure);
|
|
|
+
|
|
|
+
|
|
|
+ /* Send ACMD51 SD_APP_SEND_SCR with argument as 0 */
|
|
|
+ SDIO_CmdInitStructure.SDIO_Argument = 0x0;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_SEND_SCR;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
|
|
|
+ SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
|
|
|
+ SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
|
|
|
+ SDIO_SendCommand(&SDIO_CmdInitStructure);
|
|
|
+
|
|
|
+ errorstatus = CmdResp1Error(SDIO_SD_APP_SEND_SCR);
|
|
|
+
|
|
|
+ if (errorstatus != SD_OK)
|
|
|
+ {
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ while (!(SDIO->STA & (SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
|
|
|
+ {
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
|
|
|
+ {
|
|
|
+ *(tempscr + index) = SDIO_ReadData();
|
|
|
+ index++;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
|
|
|
+ errorstatus = SD_DATA_TIMEOUT;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
|
|
|
+ errorstatus = SD_DATA_CRC_FAIL;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
|
|
|
+ errorstatus = SD_RX_OVERRUN;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+ else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
|
|
|
+ {
|
|
|
+ SDIO_ClearFlag(SDIO_FLAG_STBITERR);
|
|
|
+ errorstatus = SD_START_BIT_ERR;
|
|
|
+ return(errorstatus);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Clear all the static flags */
|
|
|
+ SDIO_ClearFlag(SDIO_STATIC_FLAGS);
|
|
|
+
|
|
|
+ *(pscr + 1) = ((tempscr[0] & SD_0TO7BITS) << 24) | ((tempscr[0] & SD_8TO15BITS) << 8) | ((tempscr[0] & SD_16TO23BITS) >> 8) | ((tempscr[0] & SD_24TO31BITS) >> 24);
|
|
|
+
|
|
|
+ *(pscr) = ((tempscr[1] & SD_0TO7BITS) << 24) | ((tempscr[1] & SD_8TO15BITS) << 8) | ((tempscr[1] & SD_16TO23BITS) >> 8) | ((tempscr[1] & SD_24TO31BITS) >> 24);
|
|
|
+
|
|
|
+ return(errorstatus);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Converts the number of bytes in power of two and returns the
|
|
|
+ * power.
|
|
|
+ * @param NumberOfBytes: number of bytes.
|
|
|
+ * @retval None
|
|
|
+ */
|
|
|
+static uint8_t convert_from_bytes_to_power_of_two(uint16_t NumberOfBytes)
|
|
|
+{
|
|
|
+ uint8_t count = 0;
|
|
|
+
|
|
|
+ while (NumberOfBytes != 1)
|
|
|
+ {
|
|
|
+ NumberOfBytes >>= 1;
|
|
|
+ count++;
|
|
|
+ }
|
|
|
+ return(count);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Configures the SDIO Corresponding GPIO Ports
|
|
|
+ * @param None
|
|
|
+ * @retval None
|
|
|
+ */
|
|
|
+static void GPIO_Configuration(void)
|
|
|
+{
|
|
|
+ GPIO_InitTypeDef GPIO_InitStructure;
|
|
|
+
|
|
|
+ /* GPIOC and GPIOD Periph clock enable */
|
|
|
+ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD, ENABLE);
|
|
|
+
|
|
|
+ /* Configure PC.08, PC.09, PC.10, PC.11, PC.12 pin: D0, D1, D2, D3, CLK pin */
|
|
|
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12;
|
|
|
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
|
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
|
+ GPIO_Init(GPIOC, &GPIO_InitStructure);
|
|
|
+
|
|
|
+ /* Configure PD.02 CMD line */
|
|
|
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
|
|
|
+ GPIO_Init(GPIOD, &GPIO_InitStructure);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Configures the DMA2 Channel4 for SDIO Tx request.
|
|
|
+ * @param BufferSRC: pointer to the source buffer
|
|
|
+ * @param BufferSize: buffer size
|
|
|
+ * @retval None
|
|
|
+ */
|
|
|
+static void DMA_TxConfiguration(uint32_t *BufferSRC, uint32_t BufferSize)
|
|
|
+{
|
|
|
+ DMA_InitTypeDef DMA_InitStructure;
|
|
|
+
|
|
|
+ DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4);
|
|
|
+
|
|
|
+ /* DMA2 Channel4 disable */
|
|
|
+ DMA_Cmd(DMA2_Channel4, DISABLE);
|
|
|
+
|
|
|
+ /* DMA2 Channel4 Config */
|
|
|
+ DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_Address;
|
|
|
+ DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)BufferSRC;
|
|
|
+ DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
|
|
|
+ DMA_InitStructure.DMA_BufferSize = BufferSize / 4;
|
|
|
+ DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
|
|
|
+ DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
|
|
|
+ DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
|
|
|
+ DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
|
|
|
+ DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
|
|
|
+ DMA_InitStructure.DMA_Priority = DMA_Priority_High;
|
|
|
+ DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
|
|
|
DMA_Init(DMA2_Channel4, &DMA_InitStructure);
|
|
|
-
|
|
|
- /* DMA2 Channel4 enable */
|
|
|
- DMA_Cmd(DMA2_Channel4, ENABLE);
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * @}
|
|
|
- */
|
|
|
-
|
|
|
-/**
|
|
|
- * @}
|
|
|
- */
|
|
|
-
|
|
|
-/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/
|
|
|
-
|
|
|
-/*
|
|
|
- * RT-Thread SD Card Driver
|
|
|
- * 20090417 Bernard
|
|
|
- */
|
|
|
-#include <rtthread.h>
|
|
|
-#include <dfs_fs.h>
|
|
|
-
|
|
|
-static struct rt_device sdcard_device;
|
|
|
-static SD_CardInfo SDCardInfo;
|
|
|
-static struct dfs_partition part;
|
|
|
-static struct rt_semaphore sd_lock;
|
|
|
-
|
|
|
-/* RT-Thread Device Driver Interface */
|
|
|
-static rt_err_t rt_sdcard_init(rt_device_t dev)
|
|
|
-{
|
|
|
- NVIC_InitTypeDef NVIC_InitStructure;
|
|
|
-
|
|
|
- NVIC_InitStructure.NVIC_IRQChannel = SDIO_IRQn;
|
|
|
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
|
|
|
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
|
|
|
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
|
|
|
+
|
|
|
+ /* DMA2 Channel4 enable */
|
|
|
+ DMA_Cmd(DMA2_Channel4, ENABLE);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Configures the DMA2 Channel4 for SDIO Rx request.
|
|
|
+ * @param BufferDST: pointer to the destination buffer
|
|
|
+ * @param BufferSize: buffer size
|
|
|
+ * @retval None
|
|
|
+ */
|
|
|
+static void DMA_RxConfiguration(uint32_t *BufferDST, uint32_t BufferSize)
|
|
|
+{
|
|
|
+ DMA_InitTypeDef DMA_InitStructure;
|
|
|
+
|
|
|
+ DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4);
|
|
|
+
|
|
|
+ /* DMA2 Channel4 disable */
|
|
|
+ DMA_Cmd(DMA2_Channel4, DISABLE);
|
|
|
+
|
|
|
+ /* DMA2 Channel4 Config */
|
|
|
+ DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_Address;
|
|
|
+ DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)BufferDST;
|
|
|
+ DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
|
|
|
+ DMA_InitStructure.DMA_BufferSize = BufferSize / 4;
|
|
|
+ DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
|
|
|
+ DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
|
|
|
+ DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
|
|
|
+ DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
|
|
|
+ DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
|
|
|
+ DMA_InitStructure.DMA_Priority = DMA_Priority_High;
|
|
|
+ DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
|
|
|
+ DMA_Init(DMA2_Channel4, &DMA_InitStructure);
|
|
|
+
|
|
|
+ /* DMA2 Channel4 enable */
|
|
|
+ DMA_Cmd(DMA2_Channel4, ENABLE);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @}
|
|
|
+ */
|
|
|
+
|
|
|
+/**
|
|
|
+ * @}
|
|
|
+ */
|
|
|
+
|
|
|
+/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/
|
|
|
+
|
|
|
+/*
|
|
|
+ * RT-Thread SD Card Driver
|
|
|
+ * 20090417 Bernard
|
|
|
+ */
|
|
|
+#include <rtthread.h>
|
|
|
+#include <dfs_fs.h>
|
|
|
+
|
|
|
+/* set sector size to 512 */
|
|
|
+#define SECTOR_SIZE 512
|
|
|
+
|
|
|
+static struct rt_device sdcard_device;
|
|
|
+static SD_CardInfo SDCardInfo;
|
|
|
+static struct dfs_partition part;
|
|
|
+static struct rt_semaphore sd_lock;
|
|
|
+static rt_uint8_t _sdcard_buffer[SECTOR_SIZE];
|
|
|
+
|
|
|
+/* RT-Thread Device Driver Interface */
|
|
|
+static rt_err_t rt_sdcard_init(rt_device_t dev)
|
|
|
+{
|
|
|
+ NVIC_InitTypeDef NVIC_InitStructure;
|
|
|
+
|
|
|
+ NVIC_InitStructure.NVIC_IRQChannel = SDIO_IRQn;
|
|
|
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
|
|
|
+ NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
|
|
|
+ NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
|
|
|
NVIC_Init(&NVIC_InitStructure);
|
|
|
-
|
|
|
- if (rt_sem_init(&sd_lock, "sdlock", 1, RT_IPC_FLAG_FIFO) != RT_EOK)
|
|
|
- {
|
|
|
- rt_kprintf("init sd lock semaphore failed\n");
|
|
|
- }
|
|
|
-
|
|
|
- return RT_EOK;
|
|
|
-}
|
|
|
-
|
|
|
-static rt_err_t rt_sdcard_open(rt_device_t dev, rt_uint16_t oflag)
|
|
|
-{
|
|
|
-
|
|
|
- return RT_EOK;
|
|
|
-}
|
|
|
-
|
|
|
-static rt_err_t rt_sdcard_close(rt_device_t dev)
|
|
|
-{
|
|
|
- return RT_EOK;
|
|
|
-}
|
|
|
-
|
|
|
-/* set sector size to 512 */
|
|
|
-#define SECTOR_SIZE 512
|
|
|
-static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
|
|
|
-{
|
|
|
- SD_Error status;
|
|
|
- rt_uint32_t i, retry;
|
|
|
-
|
|
|
- // rt_kprintf("read: 0x%x, size %d\n", pos, size);
|
|
|
-
|
|
|
- rt_sem_take(&sd_lock, RT_WAITING_FOREVER);
|
|
|
- retry = 3;
|
|
|
+
|
|
|
+ if (rt_sem_init(&sd_lock, "sdlock", 1, RT_IPC_FLAG_FIFO) != RT_EOK)
|
|
|
+ {
|
|
|
+ rt_kprintf("init sd lock semaphore failed\n");
|
|
|
+ }
|
|
|
+
|
|
|
+ return RT_EOK;
|
|
|
+}
|
|
|
+
|
|
|
+static rt_err_t rt_sdcard_open(rt_device_t dev, rt_uint16_t oflag)
|
|
|
+{
|
|
|
+ return RT_EOK;
|
|
|
+}
|
|
|
+
|
|
|
+static rt_err_t rt_sdcard_close(rt_device_t dev)
|
|
|
+{
|
|
|
+ return RT_EOK;
|
|
|
+}
|
|
|
+
|
|
|
+static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
|
|
|
+{
|
|
|
+ SD_Error status;
|
|
|
+ rt_uint32_t nr = size / SECTOR_SIZE;
|
|
|
+
|
|
|
+ rt_sem_take(&sd_lock, RT_WAITING_FOREVER);
|
|
|
+
|
|
|
/* read all sectors */
|
|
|
- for (i = 0; i < size / SECTOR_SIZE; i ++)
|
|
|
- {
|
|
|
-__retry:
|
|
|
- status = SD_ReadBlock((part.offset + i)* SECTOR_SIZE + pos,
|
|
|
- (uint32_t*)((rt_uint8_t*)buffer + i * SECTOR_SIZE),
|
|
|
- SECTOR_SIZE);
|
|
|
- if (status != SD_OK)
|
|
|
+ if (((rt_uint32_t)buffer % 4 != 0) ||
|
|
|
+ ((rt_uint32_t)buffer > 0x20080000))
|
|
|
+ {
|
|
|
+ rt_uint32_t index;
|
|
|
+
|
|
|
+ /* which is not alignment with 4 or chip SRAM */
|
|
|
+ for (index = 0; index < nr; index ++)
|
|
|
+ {
|
|
|
+ status = SD_ReadBlock((part.offset + index) * SECTOR_SIZE + pos,
|
|
|
+ (uint32_t*)_sdcard_buffer, SECTOR_SIZE);
|
|
|
+
|
|
|
+ if (status != SD_OK) break;
|
|
|
+
|
|
|
+ /* copy to the buffer */
|
|
|
+ rt_memcpy(((rt_uint8_t*)buffer + index * SECTOR_SIZE), _sdcard_buffer, SECTOR_SIZE);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ if (nr == 1)
|
|
|
+ {
|
|
|
+ status = SD_ReadBlock(part.offset * SECTOR_SIZE + pos,
|
|
|
+ (uint32_t*)buffer, SECTOR_SIZE);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ status = SD_ReadMultiBlocks(part.offset * SECTOR_SIZE + pos,
|
|
|
+ (uint32_t*)buffer, SECTOR_SIZE, nr);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ rt_sem_release(&sd_lock);
|
|
|
+
|
|
|
+ if (status == SD_OK) return size;
|
|
|
+
|
|
|
+ rt_kprintf("read failed: %d, buffer 0x%08x\n", status, buffer);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
|
|
|
+{
|
|
|
+ SD_Error status;
|
|
|
+ rt_uint32_t nr = size / SECTOR_SIZE;
|
|
|
+
|
|
|
+ rt_sem_take(&sd_lock, RT_WAITING_FOREVER);
|
|
|
+
|
|
|
+ /* read all sectors */
|
|
|
+ if (((rt_uint32_t)buffer % 4 != 0) ||
|
|
|
+ ((rt_uint32_t)buffer > 0x20080000))
|
|
|
+ {
|
|
|
+ rt_uint32_t index;
|
|
|
+
|
|
|
+ /* which is not alignment with 4 or chip SRAM */
|
|
|
+ for (index = 0; index < nr; index ++)
|
|
|
+ {
|
|
|
+ /* copy to the buffer */
|
|
|
+ rt_memcpy(_sdcard_buffer, ((rt_uint8_t*)buffer + index * SECTOR_SIZE), SECTOR_SIZE);
|
|
|
+
|
|
|
+ status = SD_WriteBlock((part.offset + index) * SECTOR_SIZE + pos,
|
|
|
+ (uint32_t*)_sdcard_buffer, SECTOR_SIZE);
|
|
|
+
|
|
|
+ if (status != SD_OK) break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ if (nr == 1)
|
|
|
+ {
|
|
|
+ status = SD_WriteBlock(part.offset * SECTOR_SIZE + pos,
|
|
|
+ (uint32_t*)buffer, SECTOR_SIZE);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ status = SD_WriteMultiBlocks(part.offset * SECTOR_SIZE + pos,
|
|
|
+ (uint32_t*)buffer, SECTOR_SIZE, nr);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ rt_sem_release(&sd_lock);
|
|
|
+
|
|
|
+ if (status == SD_OK) return size;
|
|
|
+
|
|
|
+ rt_kprintf("write failed: %d, buffer 0x%08x\n", status, buffer);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static rt_err_t rt_sdcard_control(rt_device_t dev, rt_uint8_t cmd, void *args)
|
|
|
+{
|
|
|
+ return RT_EOK;
|
|
|
+}
|
|
|
+
|
|
|
+void rt_hw_sdcard_init()
|
|
|
+{
|
|
|
+ if (SD_Init() == SD_OK)
|
|
|
+ {
|
|
|
+ SD_Error status;
|
|
|
+ rt_uint8_t *sector;
|
|
|
+
|
|
|
+ status = SD_GetCardInfo(&SDCardInfo);
|
|
|
+ if (status != SD_OK) goto __return;
|
|
|
+
|
|
|
+ status = SD_SelectDeselect((u32) (SDCardInfo.RCA << 16));
|
|
|
+ if (status != SD_OK) goto __return;
|
|
|
+
|
|
|
+ SD_EnableWideBusOperation(SDIO_BusWide_4b);
|
|
|
+ SD_SetDeviceMode(SD_DMA_MODE);
|
|
|
+
|
|
|
+ /* get the first sector to read partition table */
|
|
|
+ sector = (rt_uint8_t*) rt_malloc (512);
|
|
|
+ if (sector == RT_NULL)
|
|
|
+ {
|
|
|
+ rt_kprintf("allocate partition sector buffer failed\n");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ status = SD_ReadBlock(0, (uint32_t*)sector, 512);
|
|
|
+ if (status == SD_OK)
|
|
|
{
|
|
|
- -- retry;
|
|
|
- if (retry != 0) goto __retry;
|
|
|
- else break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- rt_sem_release(&sd_lock);
|
|
|
-
|
|
|
- if (status == SD_OK) return size;
|
|
|
-
|
|
|
- rt_kprintf("read failed: %d, buffer 0x%08x\n", status, buffer);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
|
|
|
-{
|
|
|
- SD_Error status;
|
|
|
- rt_uint32_t i;
|
|
|
-
|
|
|
- // rt_kprintf("write: 0x%x, size %d\n", pos, size);
|
|
|
-
|
|
|
- rt_sem_take(&sd_lock, RT_WAITING_FOREVER);
|
|
|
-
|
|
|
- /* write all sectors */
|
|
|
- for (i = 0; i < size / SECTOR_SIZE; i ++)
|
|
|
- {
|
|
|
- status = SD_WriteBlock((part.offset + i)* SECTOR_SIZE + pos,
|
|
|
- (uint32_t*)((rt_uint8_t*)buffer + i * SECTOR_SIZE),
|
|
|
- SECTOR_SIZE);
|
|
|
- if (status != SD_OK)
|
|
|
- {
|
|
|
- rt_kprintf("sd card write failed\n");
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- rt_sem_release(&sd_lock);
|
|
|
- if (status == SD_OK) return size;
|
|
|
-
|
|
|
- rt_kprintf("write failed: %d, buffer 0x%08x\n", status, buffer);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static rt_err_t rt_sdcard_control(rt_device_t dev, rt_uint8_t cmd, void *args)
|
|
|
-{
|
|
|
- return RT_EOK;
|
|
|
-}
|
|
|
-
|
|
|
-void rt_hw_sdcard_init()
|
|
|
-{
|
|
|
- if ( SD_Init() == SD_OK )
|
|
|
- {
|
|
|
- SD_Error status;
|
|
|
- rt_uint8_t *sector;
|
|
|
-
|
|
|
- SD_EnableWideBusOperation(SDIO_BusWide_1b);
|
|
|
-
|
|
|
- status = SD_GetCardInfo(&SDCardInfo);
|
|
|
- if (status != SD_OK) goto __return;
|
|
|
-
|
|
|
- status = SD_SelectDeselect((u32) (SDCardInfo.RCA << 16));
|
|
|
- if (status != SD_OK) goto __return;
|
|
|
-
|
|
|
- SD_SetDeviceMode(SD_DMA_MODE);
|
|
|
-
|
|
|
- /* get the first sector to read partition table */
|
|
|
- sector = (rt_uint8_t*) rt_malloc (512);
|
|
|
- if (sector == RT_NULL)
|
|
|
- {
|
|
|
- rt_kprintf("allocate partition sector buffer failed\n");
|
|
|
- return;
|
|
|
- }
|
|
|
- status = SD_ReadBlock(0, (uint32_t*)sector, 512);
|
|
|
- if (status == SD_OK)
|
|
|
- {
|
|
|
- /* get the first partition */
|
|
|
- if (dfs_filesystem_get_partition(&part, sector, 0) != 0)
|
|
|
- {
|
|
|
- /* there is no partition */
|
|
|
- part.offset = 0;
|
|
|
- part.size = 0;
|
|
|
- }
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- /* there is no partition table */
|
|
|
- part.offset = 0;
|
|
|
- part.size = 0;
|
|
|
- }
|
|
|
-
|
|
|
- /* release sector buffer */
|
|
|
- rt_free(sector);
|
|
|
-
|
|
|
- /* register sdcard device */
|
|
|
- sdcard_device.init = rt_sdcard_init;
|
|
|
- sdcard_device.open = rt_sdcard_open;
|
|
|
- sdcard_device.close = rt_sdcard_close;
|
|
|
- sdcard_device.read = rt_sdcard_read;
|
|
|
- sdcard_device.write = rt_sdcard_write;
|
|
|
- sdcard_device.control = rt_sdcard_control;
|
|
|
-
|
|
|
- /* no private */
|
|
|
- sdcard_device.private = &SDCardInfo;
|
|
|
-
|
|
|
- rt_device_register(&sdcard_device, "sd0",
|
|
|
- RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE);
|
|
|
-
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
-__return:
|
|
|
- rt_kprintf("sdcard init failed\n");
|
|
|
-}
|
|
|
+ /* get the first partition */
|
|
|
+ if (dfs_filesystem_get_partition(&part, sector, 0) != 0)
|
|
|
+ {
|
|
|
+ /* there is no partition */
|
|
|
+ part.offset = 0;
|
|
|
+ part.size = 0;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ /* there is no partition table */
|
|
|
+ part.offset = 0;
|
|
|
+ part.size = 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* release sector buffer */
|
|
|
+ rt_free(sector);
|
|
|
+
|
|
|
+ /* register sdcard device */
|
|
|
+ sdcard_device.init = rt_sdcard_init;
|
|
|
+ sdcard_device.open = rt_sdcard_open;
|
|
|
+ sdcard_device.close = rt_sdcard_close;
|
|
|
+ sdcard_device.read = rt_sdcard_read;
|
|
|
+ sdcard_device.write = rt_sdcard_write;
|
|
|
+ sdcard_device.control = rt_sdcard_control;
|
|
|
+
|
|
|
+ /* no private */
|
|
|
+ sdcard_device.private = &SDCardInfo;
|
|
|
+
|
|
|
+ rt_device_register(&sdcard_device, "sd0",
|
|
|
+ RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE);
|
|
|
+
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+__return:
|
|
|
+ rt_kprintf("sdcard init failed\n");
|
|
|
+}
|
bernard.xiong