1. Port SD Card Driver

2. Supported RTC Clock

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1710 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/stm32f20x/board.c

@@ -15,7 +15,6 @@
 #include <rthw.h>
 #include <rtthread.h>
 
-#include <stm32f2xx.h>
 #include "board.h"
 
 /**
@@ -24,6 +23,196 @@
 
 /*@{*/
 
+#if STM32_USE_SDIO
+
+
+/**
+  * @brief  DeInitializes the SDIO interface.
+  * @param  None
+  * @retval None
+  */
+void SD_LowLevel_DeInit(void)
+{
+  GPIO_InitTypeDef  GPIO_InitStructure;
+  
+  /*!< Disable SDIO Clock */
+  SDIO_ClockCmd(DISABLE);
+  
+  /*!< Set Power State to OFF */
+  SDIO_SetPowerState(SDIO_PowerState_OFF);
+
+  /*!< DeInitializes the SDIO peripheral */
+  SDIO_DeInit();
+  
+  /* Disable the SDIO APB2 Clock */
+  RCC_APB2PeriphClockCmd(RCC_APB2Periph_SDIO, DISABLE);
+
+  GPIO_PinAFConfig(GPIOC, GPIO_PinSource8, GPIO_AF_MCO);
+  GPIO_PinAFConfig(GPIOC, GPIO_PinSource9, GPIO_AF_MCO);
+  GPIO_PinAFConfig(GPIOC, GPIO_PinSource10, GPIO_AF_MCO);
+  GPIO_PinAFConfig(GPIOC, GPIO_PinSource11, GPIO_AF_MCO);
+  GPIO_PinAFConfig(GPIOC, GPIO_PinSource12, GPIO_AF_MCO);
+  GPIO_PinAFConfig(GPIOD, GPIO_PinSource2, GPIO_AF_MCO);
+
+  /* Configure PC.08, PC.09, PC.10, PC.11 pins: D0, D1, D2, D3 pins */
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
+  GPIO_Init(GPIOC, &GPIO_InitStructure);
+
+  /* Configure PD.02 CMD line */
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
+  GPIO_Init(GPIOD, &GPIO_InitStructure);
+
+  /* Configure PC.12 pin: CLK pin */
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
+  GPIO_Init(GPIOC, &GPIO_InitStructure);
+}
+
+/**
+  * @brief  Initializes the SD Card and put it into StandBy State (Ready for 
+  *         data transfer).
+  * @param  None
+  * @retval None
+  */
+void SD_LowLevel_Init(void)
+{
+  GPIO_InitTypeDef  GPIO_InitStructure;
+
+  /* GPIOC and GPIOD Periph clock enable */
+  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC | RCC_AHB1Periph_GPIOD | SD_DETECT_GPIO_CLK, ENABLE);
+
+  GPIO_PinAFConfig(GPIOC, GPIO_PinSource8, GPIO_AF_SDIO);
+  GPIO_PinAFConfig(GPIOC, GPIO_PinSource9, GPIO_AF_SDIO);
+  GPIO_PinAFConfig(GPIOC, GPIO_PinSource10, GPIO_AF_SDIO);
+  GPIO_PinAFConfig(GPIOC, GPIO_PinSource11, GPIO_AF_SDIO);
+  GPIO_PinAFConfig(GPIOC, GPIO_PinSource12, GPIO_AF_SDIO);
+  GPIO_PinAFConfig(GPIOD, GPIO_PinSource2, GPIO_AF_SDIO);
+
+  /* Configure PC.08, PC.09, PC.10, PC.11 pins: D0, D1, D2, D3 pins */
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11;
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_25MHz;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
+  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+  GPIO_Init(GPIOC, &GPIO_InitStructure);
+
+  /* Configure PD.02 CMD line */
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
+  GPIO_Init(GPIOD, &GPIO_InitStructure);
+
+  /* Configure PC.12 pin: CLK pin */
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
+  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
+  GPIO_Init(GPIOC, &GPIO_InitStructure);
+  
+  /*!< Configure SD_SPI_DETECT_PIN pin: SD Card detect pin */
+  GPIO_InitStructure.GPIO_Pin = SD_DETECT_PIN;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+  GPIO_Init(SD_DETECT_GPIO_PORT, &GPIO_InitStructure);
+
+  /* Enable the SDIO APB2 Clock */
+  RCC_APB2PeriphClockCmd(RCC_APB2Periph_SDIO, ENABLE);
+
+  /* Enable the DMA2 Clock */
+  RCC_AHB1PeriphClockCmd(SD_SDIO_DMA_CLK, ENABLE);
+}
+
+/**
+  * @brief  Configures the DMA2 Channel4 for SDIO Tx request.
+  * @param  BufferSRC: pointer to the source buffer
+  * @param  BufferSize: buffer size
+  * @retval None
+  */
+void SD_LowLevel_DMA_TxConfig(uint32_t *BufferSRC, uint32_t BufferSize)
+{
+  DMA_InitTypeDef SDDMA_InitStructure;
+
+  DMA_ClearFlag(SD_SDIO_DMA_STREAM, SD_SDIO_DMA_FLAG_FEIF | SD_SDIO_DMA_FLAG_DMEIF | SD_SDIO_DMA_FLAG_TEIF | SD_SDIO_DMA_FLAG_HTIF | SD_SDIO_DMA_FLAG_TCIF);
+
+  /* DMA2 Stream3  or Stream6 disable */
+  DMA_Cmd(SD_SDIO_DMA_STREAM, DISABLE);
+
+  /* DMA2 Stream3  or Stream6 Config */
+  DMA_DeInit(SD_SDIO_DMA_STREAM);
+
+  SDDMA_InitStructure.DMA_Channel = SD_SDIO_DMA_CHANNEL;
+  SDDMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_ADDRESS;
+  SDDMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)BufferSRC;
+  SDDMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral;
+  SDDMA_InitStructure.DMA_BufferSize = 0;
+  SDDMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+  SDDMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
+  SDDMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
+  SDDMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
+  SDDMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
+  SDDMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
+  SDDMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Enable;
+  SDDMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_Full;
+  SDDMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_INC4;
+  SDDMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_INC4;
+  DMA_Init(SD_SDIO_DMA_STREAM, &SDDMA_InitStructure);
+
+  DMA_FlowControllerConfig(SD_SDIO_DMA_STREAM, DMA_FlowCtrl_Peripheral);
+
+  /* DMA2 Stream3  or Stream6 enable */
+  DMA_Cmd(SD_SDIO_DMA_STREAM, ENABLE);
+    
+}
+
+/**
+  * @brief  Configures the DMA2 Channel4 for SDIO Rx request.
+  * @param  BufferDST: pointer to the destination buffer
+  * @param  BufferSize: buffer size
+  * @retval None
+  */
+void SD_LowLevel_DMA_RxConfig(uint32_t *BufferDST, uint32_t BufferSize)
+{
+  DMA_InitTypeDef SDDMA_InitStructure;
+
+  DMA_ClearFlag(SD_SDIO_DMA_STREAM, SD_SDIO_DMA_FLAG_FEIF | SD_SDIO_DMA_FLAG_DMEIF | SD_SDIO_DMA_FLAG_TEIF | SD_SDIO_DMA_FLAG_HTIF | SD_SDIO_DMA_FLAG_TCIF);
+
+  /* DMA2 Stream3  or Stream6 disable */
+  DMA_Cmd(SD_SDIO_DMA_STREAM, DISABLE);
+
+  /* DMA2 Stream3 or Stream6 Config */
+  DMA_DeInit(SD_SDIO_DMA_STREAM);
+
+  SDDMA_InitStructure.DMA_Channel = SD_SDIO_DMA_CHANNEL;
+  SDDMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_ADDRESS;
+  SDDMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)BufferDST;
+  SDDMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
+  SDDMA_InitStructure.DMA_BufferSize = 0;
+  SDDMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+  SDDMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
+  SDDMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
+  SDDMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
+  SDDMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
+  SDDMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
+  SDDMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Enable;
+  SDDMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_Full;
+  SDDMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_INC4;
+  SDDMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_INC4;
+  DMA_Init(SD_SDIO_DMA_STREAM, &SDDMA_InitStructure);
+
+  DMA_FlowControllerConfig(SD_SDIO_DMA_STREAM, DMA_FlowCtrl_Peripheral);
+
+  /* DMA2 Stream3 or Stream6 enable */
+  DMA_Cmd(SD_SDIO_DMA_STREAM, ENABLE);
+}
+
+/**
+  * @brief  Returns the DMA End Of Transfer Status.
+  * @param  None
+  * @retval DMA SDIO Stream Status.
+  */
+uint32_t SD_DMAEndOfTransferStatus(void)
+{
+  return (uint32_t)DMA_GetFlagStatus(SD_SDIO_DMA_STREAM, SD_SDIO_DMA_FLAG_TCIF);
+}
+#endif
+
 /*******************************************************************************
 * Function Name  : NVIC_Configuration
 * Description    : Configures Vector Table base location.

bsp/stm32f20x/board.h

@@ -16,10 +16,12 @@
 #ifndef __BOARD_H__
 #define __BOARD_H__
 
+#include <stm32f2xx.h>
+
 /* board configuration */
 // <o> SDCard Driver <1=>SDIO sdcard <0=>SPI MMC card
 // 	<i>Default: 1
-#define STM32_USE_SDIO			0
+#define STM32_USE_SDIO			1
 
 /* whether use board external SRAM memory */
 // <e>Use external SRAM memory on the board
@@ -42,6 +44,9 @@
 // 	<i>Default: 1
 #define STM32_CONSOLE_USART		1
 
+// <o> Ethernet Interface: <0=> Microchip ENC28J60
+#define STM32_ETH_IF			0
+
 void rt_hw_board_led_on(int n);
 void rt_hw_board_led_off(int n);
 void rt_hw_board_init(void);
@@ -56,6 +61,54 @@ void rt_hw_board_init(void);
 #define CONSOLE_DEVICE "uart3"
 #endif
 
+#if STM32_USE_SDIO
+/**
+  * @brief  SD FLASH SDIO Interface
+  */
+#define SD_DETECT_PIN                    GPIO_Pin_0                 /* PB.0 */
+#define SD_DETECT_GPIO_PORT              GPIOB                       /* GPIOB */
+#define SD_DETECT_GPIO_CLK               RCC_AHB1Periph_GPIOB
+   
+#define SDIO_FIFO_ADDRESS                ((uint32_t)0x40012C80)
+/** 
+  * @brief  SDIO Intialization Frequency (400KHz max)
+  */
+#define SDIO_INIT_CLK_DIV                ((uint8_t)0x76)
+/** 
+  * @brief  SDIO Data Transfer Frequency (25MHz max) 
+  */
+#define SDIO_TRANSFER_CLK_DIV            ((uint8_t)0x0) 
+
+#define SD_SDIO_DMA                   DMA2
+#define SD_SDIO_DMA_CLK               RCC_AHB1Periph_DMA2
+ 
+#define SD_SDIO_DMA_STREAM3	          3
+//#define SD_SDIO_DMA_STREAM6           6
+
+#ifdef SD_SDIO_DMA_STREAM3
+ #define SD_SDIO_DMA_STREAM            DMA2_Stream3
+ #define SD_SDIO_DMA_CHANNEL           DMA_Channel_4
+ #define SD_SDIO_DMA_FLAG_FEIF         DMA_FLAG_FEIF3
+ #define SD_SDIO_DMA_FLAG_DMEIF        DMA_FLAG_DMEIF3
+ #define SD_SDIO_DMA_FLAG_TEIF         DMA_FLAG_TEIF3
+ #define SD_SDIO_DMA_FLAG_HTIF         DMA_FLAG_HTIF3
+ #define SD_SDIO_DMA_FLAG_TCIF         DMA_FLAG_TCIF3 
+#elif defined SD_SDIO_DMA_STREAM6
+ #define SD_SDIO_DMA_STREAM            DMA2_Stream6
+ #define SD_SDIO_DMA_CHANNEL           DMA_Channel_4
+ #define SD_SDIO_DMA_FLAG_FEIF         DMA_FLAG_FEIF6
+ #define SD_SDIO_DMA_FLAG_DMEIF        DMA_FLAG_DMEIF6
+ #define SD_SDIO_DMA_FLAG_TEIF         DMA_FLAG_TEIF6
+ #define SD_SDIO_DMA_FLAG_HTIF         DMA_FLAG_HTIF6
+ #define SD_SDIO_DMA_FLAG_TCIF         DMA_FLAG_TCIF6 
+#endif /* SD_SDIO_DMA_STREAM3 */
+
+void SD_LowLevel_DeInit(void);
+void SD_LowLevel_Init(void); 
+void SD_LowLevel_DMA_TxConfig(uint32_t *BufferSRC, uint32_t BufferSize);
+void SD_LowLevel_DMA_RxConfig(uint32_t *BufferDST, uint32_t BufferSize);
+
+#endif
 void rt_hw_usart_init(void);
 
 /* SD Card init function */

bsp/stm32f20x/project.uvopt

@@ -170,7 +170,7 @@
 
   <Group>
     <GroupName>Startup</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <File>
@@ -179,10 +179,10 @@
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
-      <ColumnNumber>6</ColumnNumber>
+      <ColumnNumber>50</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>1</TopLine>
-      <CurrentLine>18</CurrentLine>
+      <TopLine>3</TopLine>
+      <CurrentLine>26</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>.\application.c</PathWithFileName>
       <FilenameWithoutPath>application.c</FilenameWithoutPath>
@@ -257,6 +257,34 @@
       <PathWithFileName>.\serial.c</PathWithFileName>
       <FilenameWithoutPath>serial.c</FilenameWithoutPath>
     </File>
+    <File>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>7</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <Focus>0</Focus>
+      <ColumnNumber>0</ColumnNumber>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <TopLine>0</TopLine>
+      <CurrentLine>0</CurrentLine>
+      <bDave2>0</bDave2>
+      <PathWithFileName>.\rtc.c</PathWithFileName>
+      <FilenameWithoutPath>rtc.c</FilenameWithoutPath>
+    </File>
+    <File>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>8</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <Focus>0</Focus>
+      <ColumnNumber>0</ColumnNumber>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <TopLine>0</TopLine>
+      <CurrentLine>0</CurrentLine>
+      <bDave2>0</bDave2>
+      <PathWithFileName>.\sdio_sd.c</PathWithFileName>
+      <FilenameWithoutPath>sdio_sd.c</FilenameWithoutPath>
+    </File>
   </Group>
 
   <Group>
@@ -266,7 +294,7 @@
     <cbSel>0</cbSel>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>7</FileNumber>
+      <FileNumber>9</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -280,7 +308,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>8</FileNumber>
+      <FileNumber>10</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -294,7 +322,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>9</FileNumber>
+      <FileNumber>11</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -308,7 +336,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>10</FileNumber>
+      <FileNumber>12</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -322,7 +350,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>11</FileNumber>
+      <FileNumber>13</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -336,7 +364,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>12</FileNumber>
+      <FileNumber>14</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -350,7 +378,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>13</FileNumber>
+      <FileNumber>15</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -364,7 +392,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>14</FileNumber>
+      <FileNumber>16</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -378,7 +406,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>15</FileNumber>
+      <FileNumber>17</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -392,7 +420,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>16</FileNumber>
+      <FileNumber>18</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -406,7 +434,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>17</FileNumber>
+      <FileNumber>19</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -420,7 +448,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>18</FileNumber>
+      <FileNumber>20</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -434,7 +462,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>19</FileNumber>
+      <FileNumber>21</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -448,7 +476,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>20</FileNumber>
+      <FileNumber>22</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -462,7 +490,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>21</FileNumber>
+      <FileNumber>23</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -483,7 +511,7 @@
     <cbSel>0</cbSel>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>22</FileNumber>
+      <FileNumber>24</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -497,7 +525,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>23</FileNumber>
+      <FileNumber>25</FileNumber>
       <FileType>2</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -511,7 +539,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>24</FileNumber>
+      <FileNumber>26</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -525,7 +553,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>25</FileNumber>
+      <FileNumber>27</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -539,7 +567,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>26</FileNumber>
+      <FileNumber>28</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -560,7 +588,7 @@
     <cbSel>0</cbSel>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>27</FileNumber>
+      <FileNumber>29</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -574,7 +602,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>28</FileNumber>
+      <FileNumber>30</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -588,7 +616,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>29</FileNumber>
+      <FileNumber>31</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -602,7 +630,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>30</FileNumber>
+      <FileNumber>32</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -616,7 +644,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>31</FileNumber>
+      <FileNumber>33</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -630,7 +658,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>32</FileNumber>
+      <FileNumber>34</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -644,7 +672,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>33</FileNumber>
+      <FileNumber>35</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -658,7 +686,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>34</FileNumber>
+      <FileNumber>36</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -672,7 +700,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>35</FileNumber>
+      <FileNumber>37</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -686,7 +714,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>36</FileNumber>
+      <FileNumber>38</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -700,7 +728,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>37</FileNumber>
+      <FileNumber>39</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -714,7 +742,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>38</FileNumber>
+      <FileNumber>40</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -728,7 +756,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>39</FileNumber>
+      <FileNumber>41</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -749,7 +777,7 @@
     <cbSel>0</cbSel>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>40</FileNumber>
+      <FileNumber>42</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -763,7 +791,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>41</FileNumber>
+      <FileNumber>43</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -777,7 +805,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>42</FileNumber>
+      <FileNumber>44</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -791,7 +819,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>43</FileNumber>
+      <FileNumber>45</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -805,7 +833,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>44</FileNumber>
+      <FileNumber>46</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -819,7 +847,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>45</FileNumber>
+      <FileNumber>47</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -833,7 +861,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>46</FileNumber>
+      <FileNumber>48</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -847,7 +875,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>47</FileNumber>
+      <FileNumber>49</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -861,7 +889,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>48</FileNumber>
+      <FileNumber>50</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -875,7 +903,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>49</FileNumber>
+      <FileNumber>51</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -889,7 +917,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>50</FileNumber>
+      <FileNumber>52</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -903,7 +931,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>51</FileNumber>
+      <FileNumber>53</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -917,7 +945,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>52</FileNumber>
+      <FileNumber>54</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -931,7 +959,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>53</FileNumber>
+      <FileNumber>55</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -945,7 +973,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>54</FileNumber>
+      <FileNumber>56</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -959,7 +987,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>55</FileNumber>
+      <FileNumber>57</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -973,7 +1001,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>56</FileNumber>
+      <FileNumber>58</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -987,7 +1015,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>57</FileNumber>
+      <FileNumber>59</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1001,7 +1029,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>58</FileNumber>
+      <FileNumber>60</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1015,7 +1043,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>59</FileNumber>
+      <FileNumber>61</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1029,7 +1057,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>60</FileNumber>
+      <FileNumber>62</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1043,7 +1071,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>61</FileNumber>
+      <FileNumber>63</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1057,7 +1085,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>62</FileNumber>
+      <FileNumber>64</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1071,7 +1099,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>63</FileNumber>
+      <FileNumber>65</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1085,7 +1113,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>64</FileNumber>
+      <FileNumber>66</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1099,7 +1127,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>65</FileNumber>
+      <FileNumber>67</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1113,7 +1141,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>66</FileNumber>
+      <FileNumber>68</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1127,7 +1155,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>67</FileNumber>
+      <FileNumber>69</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1141,7 +1169,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>68</FileNumber>
+      <FileNumber>70</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1155,7 +1183,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>69</FileNumber>
+      <FileNumber>71</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1169,7 +1197,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>70</FileNumber>
+      <FileNumber>72</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1183,7 +1211,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>71</FileNumber>
+      <FileNumber>73</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1197,7 +1225,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>72</FileNumber>
+      <FileNumber>74</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1211,7 +1239,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>73</FileNumber>
+      <FileNumber>75</FileNumber>
       <FileType>2</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -1230,13 +1258,13 @@
     <ActiveMDIGroup>0</ActiveMDIGroup>
     <MDIGroup>
       <Size>100</Size>
-      <ActiveTab>0</ActiveTab>
+      <ActiveTab>2</ActiveTab>
       <Documents>
         <Doc>
-          <Name>.\application.c</Name>
-          <ColumnNumber>6</ColumnNumber>
-          <TopLine>1</TopLine>
-          <CurrentLine>18</CurrentLine>
+          <Name>.\stm32f20x_it.c</Name>
+          <ColumnNumber>0</ColumnNumber>
+          <TopLine>80</TopLine>
+          <CurrentLine>80</CurrentLine>
         </Doc>
         <Doc>
           <Name>.\board.c</Name>
@@ -1245,10 +1273,10 @@
           <CurrentLine>65</CurrentLine>
         </Doc>
         <Doc>
-          <Name>.\stm32f20x_it.c</Name>
-          <ColumnNumber>0</ColumnNumber>
-          <TopLine>80</TopLine>
-          <CurrentLine>80</CurrentLine>
+          <Name>.\application.c</Name>
+          <ColumnNumber>50</ColumnNumber>
+          <TopLine>3</TopLine>
+          <CurrentLine>26</CurrentLine>
         </Doc>
       </Documents>
     </MDIGroup>

bsp/stm32f20x/project.uvproj

@@ -416,6 +416,16 @@
               <FileType>1</FileType>
               <FilePath>.\serial.c</FilePath>
             </File>
+            <File>
+              <FileName>rtc.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>.\rtc.c</FilePath>
+            </File>
+            <File>
+              <FileName>sdio_sd.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>.\sdio_sd.c</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>

bsp/stm32f20x/rtconfig.h

@@ -75,6 +75,12 @@
 /* SECTION: device filesystem */
 /* #define RT_USING_DFS */
 #define RT_USING_DFS_ELMFAT
+#define RT_DFS_ELM_REENTRANT
+#define RT_DFS_ELM_WORD_ACCESS
+#define RT_DFS_ELM_DRIVES			1
+#define RT_DFS_ELM_USE_LFN			2
+#define RT_DFS_ELM_MAX_LFN			255
+#define RT_DFS_ELM_MAX_SECTOR_SIZE  512
 
 /* the max number of mounted filesystem */
 #define DFS_FILESYSTEMS_MAX			2

bsp/stm32f20x/startup.c

@@ -105,6 +105,8 @@ void rtthread_startup(void)
 #endif
 #endif
 
+	rt_hw_rtc_init();
+
 	/* init all device */
 	rt_device_init_all();
 

bsp/stm32f20x/stm32f20x_it.c

@@ -22,6 +22,7 @@
 
 /* Includes ------------------------------------------------------------------*/
 #include "stm32f20x_it.h"
+#include <rtthread.h>
 
 /** @addtogroup Template_Project
   * @{
@@ -104,6 +105,30 @@ void DebugMon_Handler(void)
 {
 }
 
+#if defined(RT_USING_DFS) && STM32_USE_SDIO
+/*******************************************************************************
+* Function Name  : SDIO_IRQHandler
+* Description    : This function handles SDIO global interrupt request.
+* Input          : None
+* Output         : None
+* Return         : None
+*******************************************************************************/
+void SDIO_IRQHandler(void)
+{
+    extern int SD_ProcessIRQSrc(void);
+
+    /* enter interrupt */
+    rt_interrupt_enter();
+
+    /* Process All SDIO Interrupt Sources */
+    if( SD_ProcessIRQSrc() == 2)
+		rt_kprintf("SD Error\n");
+
+    /* leave interrupt */
+    rt_interrupt_leave();
+}
+#endif
+
 /**
   * @}
   */