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@@ -1,13 +1,48 @@
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#include <rthw.h>
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#include <rthw.h>
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#include <rtthread.h>
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#include <rtthread.h>
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#include "stm32f10x.h"
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#include "stm32f10x.h"
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+#include "board.h"
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#include "codec.h"
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#include "codec.h"
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-/*
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- * IMPORTANT NOTICE:
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- * CODEC_MASTER_MODE = 1 is still unusable due to a suspecting hardware bug of STM32.
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- */
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-#define CODEC_MASTER_MODE 0
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+#if CODEC_USE_SPI3
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+
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+#define CODEC_I2S_PORT SPI3
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+#define CODEC_I2S_IRQ SPI3_IRQn
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+#define CODEC_I2S_DMA DMA2_Channel2
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+#define CODEC_I2S_DMA_IRQ DMA2_Channel2_IRQn
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+#define CODEC_I2S_RCC_APB1 RCC_APB1Periph_SPI3
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+#define CODEC_I2S_RCC_AHB RCC_AHBPeriph_DMA2
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+
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+// I2S3_WS -> PA15
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+#define CODEC_I2S_WS_PIN GPIO_Pin_15
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+#define CODEC_I2S_WS_PORT GPIOA
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+// I2S3_CK -> PB3
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+#define CODEC_I2S_CK_PIN GPIO_Pin_3
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+#define CODEC_I2S_CK_PORT GPIOB
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+// I2S3_SD -> PB5
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+#define CODEC_I2S_SD_PIN GPIO_Pin_5
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+#define CODEC_I2S_SD_PORT GPIOB
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+
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+#else
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+
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+#define CODEC_I2S_PORT SPI2
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+#define CODEC_I2S_IRQ SPI2_IRQn
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+#define CODEC_I2S_DMA DMA1_Channel5
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+#define CODEC_I2S_DMA_IRQ DMA1_Channel5_IRQn
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+#define CODEC_I2S_RCC_APB1 RCC_APB1Periph_SPI2
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+#define CODEC_I2S_RCC_AHB RCC_AHBPeriph_DMA1
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+
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+// I2S2_WS -> PB12
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+#define CODEC_I2S_WS_PIN GPIO_Pin_12
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+#define CODEC_I2S_WS_PORT GPIOB
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+// I2S2_CK -> PB13
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+#define CODEC_I2S_CK_PIN GPIO_Pin_13
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+#define CODEC_I2S_CK_PORT GPIOB
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+// I2S2_SD -> PB15
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+#define CODEC_I2S_SD_PIN GPIO_Pin_15
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+#define CODEC_I2S_SD_PORT GPIOB
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+
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+#endif // #if CODEC_USE_SPI3
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/*
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/*
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SCLK PA5 SPI1_SCK
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SCLK PA5 SPI1_SCK
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@@ -44,21 +79,21 @@ struct codec_device
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};
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};
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struct codec_device codec;
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struct codec_device codec;
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-static uint16_t r06 = REG_CLOCK_GEN | CLKSEL_PLL | MCLK_DIV2 | BCLK_DIV8;
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+static uint16_t r06 = REG_CLOCK_GEN | CLKSEL_PLL | MCLK_DIV2 | BCLK_DIV4;
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static void NVIC_Configuration(void)
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static void NVIC_Configuration(void)
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{
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{
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NVIC_InitTypeDef NVIC_InitStructure;
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NVIC_InitTypeDef NVIC_InitStructure;
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- /* SPI2 IRQ Channel configuration */
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- NVIC_InitStructure.NVIC_IRQChannel = SPI2_IRQn;
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+ /* SPI IRQ Channel configuration */
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+ NVIC_InitStructure.NVIC_IRQChannel = CODEC_I2S_IRQ;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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NVIC_Init(&NVIC_InitStructure);
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- /* DMA1 IRQ Channel configuration */
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- NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel5_IRQn;
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+ /* DMA IRQ Channel configuration */
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+ NVIC_InitStructure.NVIC_IRQChannel = CODEC_I2S_DMA_IRQ;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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@@ -78,25 +113,31 @@ static void GPIO_Configuration(void)
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
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GPIO_Init(CODEC_CSB_PORT, &GPIO_InitStructure);
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GPIO_Init(CODEC_CSB_PORT, &GPIO_InitStructure);
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-#if CODEC_MASTER_MODE
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- // WS, CK
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- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13;
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+ // WS
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+ GPIO_InitStructure.GPIO_Pin = CODEC_I2S_WS_PIN;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
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+#if CODEC_MASTER_MODE
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
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- GPIO_Init(GPIOB, &GPIO_InitStructure);
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+#else
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+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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+#endif
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+ GPIO_Init(CODEC_I2S_WS_PORT, &GPIO_InitStructure);
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- // SD
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- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;
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+ // CK
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+ GPIO_InitStructure.GPIO_Pin = CODEC_I2S_CK_PIN;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
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- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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- GPIO_Init(GPIOB, &GPIO_InitStructure);
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+#if CODEC_MASTER_MODE
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+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
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#else
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#else
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- /* Configure SPI2 pins: CK, WS and SD */
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- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_15;
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- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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- GPIO_Init(GPIOB, &GPIO_InitStructure);
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#endif
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#endif
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+ GPIO_Init(CODEC_I2S_CK_PORT, &GPIO_InitStructure);
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+
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+ // SD
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+ GPIO_InitStructure.GPIO_Pin = CODEC_I2S_SD_PIN;
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+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
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+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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+ GPIO_Init(CODEC_I2S_SD_PORT, &GPIO_InitStructure);
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#ifdef CODEC_USE_MCO
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#ifdef CODEC_USE_MCO
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/* MCO configure */
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/* MCO configure */
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@@ -113,9 +154,9 @@ static void DMA_Configuration(rt_uint32_t addr, rt_size_t size)
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{
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{
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DMA_InitTypeDef DMA_InitStructure;
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DMA_InitTypeDef DMA_InitStructure;
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- /* DMA1 Channel2 configuration ----------------------------------------------*/
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- DMA_Cmd(DMA1_Channel5, DISABLE);
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- DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)(&(SPI2->DR));
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+ /* DMA Channel configuration ----------------------------------------------*/
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+ DMA_Cmd(CODEC_I2S_DMA, DISABLE);
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+ DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)(&(CODEC_I2S_PORT->DR));
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DMA_InitStructure.DMA_MemoryBaseAddr = (u32) addr;
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DMA_InitStructure.DMA_MemoryBaseAddr = (u32) addr;
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DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
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DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
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DMA_InitStructure.DMA_BufferSize = size;
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DMA_InitStructure.DMA_BufferSize = size;
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@@ -123,16 +164,16 @@ static void DMA_Configuration(rt_uint32_t addr, rt_size_t size)
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DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
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DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
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DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
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DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
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DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
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DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
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- DMA_InitStructure.DMA_Priority = DMA_Priority_High;
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+ DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
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DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
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DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
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DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
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DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
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- DMA_Init(DMA1_Channel5, &DMA_InitStructure);
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+ DMA_Init(CODEC_I2S_DMA, &DMA_InitStructure);
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- /* Enable SPI2 DMA Tx request */
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- SPI_I2S_DMACmd(SPI2, SPI_I2S_DMAReq_Tx, ENABLE);
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+ /* Enable SPI DMA Tx request */
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+ SPI_I2S_DMACmd(CODEC_I2S_PORT, SPI_I2S_DMAReq_Tx, ENABLE);
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- DMA_ITConfig(DMA1_Channel5, DMA_IT_TC, ENABLE);
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- DMA_Cmd(DMA1_Channel5, ENABLE);
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+ DMA_ITConfig(CODEC_I2S_DMA, DMA_IT_TC, ENABLE);
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+ DMA_Cmd(CODEC_I2S_DMA, ENABLE);
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}
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}
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static void I2S_Configuration(void)
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static void I2S_Configuration(void)
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@@ -141,7 +182,7 @@ static void I2S_Configuration(void)
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/* I2S peripheral configuration */
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/* I2S peripheral configuration */
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I2S_InitStructure.I2S_Standard = I2S_Standard_Phillips;
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I2S_InitStructure.I2S_Standard = I2S_Standard_Phillips;
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- I2S_InitStructure.I2S_DataFormat = I2S_DataFormat_16b;
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+ I2S_InitStructure.I2S_DataFormat = I2S_DataFormat_16bextended;
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I2S_InitStructure.I2S_MCLKOutput = I2S_MCLKOutput_Disable;
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I2S_InitStructure.I2S_MCLKOutput = I2S_MCLKOutput_Disable;
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I2S_InitStructure.I2S_AudioFreq = I2S_AudioFreq_44k;
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I2S_InitStructure.I2S_AudioFreq = I2S_AudioFreq_44k;
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I2S_InitStructure.I2S_CPOL = I2S_CPOL_Low;
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I2S_InitStructure.I2S_CPOL = I2S_CPOL_Low;
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@@ -152,7 +193,7 @@ static void I2S_Configuration(void)
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#else
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#else
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I2S_InitStructure.I2S_Mode = I2S_Mode_MasterTx;
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I2S_InitStructure.I2S_Mode = I2S_Mode_MasterTx;
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#endif
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#endif
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- I2S_Init(SPI2, &I2S_InitStructure);
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+ I2S_Init(CODEC_I2S_PORT, &I2S_InitStructure);
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}
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}
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uint8_t SPI_WriteByte(unsigned char data)
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uint8_t SPI_WriteByte(unsigned char data)
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@@ -215,7 +256,7 @@ static rt_err_t codec_init(rt_device_t dev)
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// F_PLL = 11.2896MHz * 4 * 2 = 90.3168MHz
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// F_PLL = 11.2896MHz * 4 * 2 = 90.3168MHz
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// R = 90.3168MHz / 12.288MHz = 7.35
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// R = 90.3168MHz / 12.288MHz = 7.35
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// PLL_N = 7
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// PLL_N = 7
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- // PLL_K = 5872026 (5921370 for STM32's 44.117KHz fs generated from 72MHz clock)
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+ // PLL_K = 0x59999A (0x5A5A5A for STM32's 44.117KHz fs generated from 72MHz clock)
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codec_send(REG_PLL_N | 7);
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codec_send(REG_PLL_N | 7);
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#if CODEC_MASTER_MODE
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#if CODEC_MASTER_MODE
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codec_send(REG_PLL_K1 | 0x16);
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codec_send(REG_PLL_K1 | 0x16);
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@@ -236,7 +277,7 @@ static rt_err_t codec_init(rt_device_t dev)
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codec_send(REG_BEEP | INVROUT2);
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codec_send(REG_BEEP | INVROUT2);
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// Set output volume.
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// Set output volume.
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- vol(20);
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+ vol(40);
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return RT_EOK;
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return RT_EOK;
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}
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}
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@@ -290,51 +331,51 @@ rt_err_t sample_rate(uint8_t sr)
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switch (sr)
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switch (sr)
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{
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{
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case 8:
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case 8:
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- r06 = REG_CLOCK_GEN | CLKSEL_MCLK | MCLK_DIV6 | BCLK_DIV8 | (r06 & MS);
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+ r06 = REG_CLOCK_GEN | CLKSEL_MCLK | MCLK_DIV6 | BCLK_DIV4 | (r06 & MS);
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r07 |= SR_8KHZ;
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r07 |= SR_8KHZ;
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break;
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break;
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case 11:
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case 11:
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- r06 = REG_CLOCK_GEN | CLKSEL_PLL | MCLK_DIV8 | BCLK_DIV8 | (r06 & MS);
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+ r06 = REG_CLOCK_GEN | CLKSEL_PLL | MCLK_DIV8 | BCLK_DIV4 | (r06 & MS);
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r07 |= SR_12KHZ;
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r07 |= SR_12KHZ;
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break;
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break;
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#if CODEC_MASTER_MODE
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#if CODEC_MASTER_MODE
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case 12:
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case 12:
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- r06 = REG_CLOCK_GEN | CLKSEL_MCLK | MCLK_DIV4 | BCLK_DIV8 | (r06 & MS);
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+ r06 = REG_CLOCK_GEN | CLKSEL_MCLK | MCLK_DIV4 | BCLK_DIV4 | (r06 & MS);
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r07 |= SR_12KHZ;
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r07 |= SR_12KHZ;
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break;
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break;
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#endif
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#endif
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case 16:
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case 16:
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- r06 = REG_CLOCK_GEN | CLKSEL_MCLK | MCLK_DIV3 | BCLK_DIV8 | (r06 & MS);
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+ r06 = REG_CLOCK_GEN | CLKSEL_MCLK | MCLK_DIV3 | BCLK_DIV4 | (r06 & MS);
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r07 |= SR_16KHZ;
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r07 |= SR_16KHZ;
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break;
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break;
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case 22:
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case 22:
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- r06 = REG_CLOCK_GEN | CLKSEL_PLL | MCLK_DIV4 | BCLK_DIV8 | (r06 & MS);
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+ r06 = REG_CLOCK_GEN | CLKSEL_PLL | MCLK_DIV4 | BCLK_DIV4 | (r06 & MS);
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r07 |= SR_24KHZ;
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r07 |= SR_24KHZ;
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break;
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break;
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#if CODEC_MASTER_MODE
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#if CODEC_MASTER_MODE
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case 24:
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case 24:
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- r06 = REG_CLOCK_GEN | CLKSEL_MCLK | MCLK_DIV2 | BCLK_DIV8 | (r06 & MS);
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+ r06 = REG_CLOCK_GEN | CLKSEL_MCLK | MCLK_DIV2 | BCLK_DIV4 | (r06 & MS);
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r07 |= SR_24KHZ;
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r07 |= SR_24KHZ;
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break;
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break;
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#endif
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#endif
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case 32:
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case 32:
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- r06 = REG_CLOCK_GEN | CLKSEL_MCLK | MCLK_DIV1_5 | BCLK_DIV8 | (r06 & MS);
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+ r06 = REG_CLOCK_GEN | CLKSEL_MCLK | MCLK_DIV1_5 | BCLK_DIV4 | (r06 & MS);
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r07 |= SR_32KHZ;
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r07 |= SR_32KHZ;
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break;
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break;
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case 44:
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case 44:
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- r06 = REG_CLOCK_GEN | CLKSEL_PLL | MCLK_DIV2 | BCLK_DIV8 | (r06 & MS);
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+ r06 = REG_CLOCK_GEN | CLKSEL_PLL | MCLK_DIV2 | BCLK_DIV4 | (r06 & MS);
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r07 |= SR_48KHZ;
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r07 |= SR_48KHZ;
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break;
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break;
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case 48:
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case 48:
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- r06 = REG_CLOCK_GEN | CLKSEL_MCLK | MCLK_DIV1 | BCLK_DIV8 | (r06 & MS);
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+ r06 = REG_CLOCK_GEN | CLKSEL_MCLK | MCLK_DIV1 | BCLK_DIV4 | (r06 & MS);
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r07 |= SR_48KHZ;
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r07 |= SR_48KHZ;
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break;
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break;
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@@ -359,7 +400,7 @@ static rt_err_t codec_open(rt_device_t dev, rt_uint16_t oflag)
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{
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{
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#if !CODEC_MASTER_MODE
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#if !CODEC_MASTER_MODE
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/* enable I2S */
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/* enable I2S */
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- I2S_Cmd(SPI2, ENABLE);
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+ I2S_Cmd(CODEC_I2S_PORT, ENABLE);
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#endif
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#endif
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return RT_EOK;
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return RT_EOK;
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@@ -371,27 +412,27 @@ static rt_err_t codec_close(rt_device_t dev)
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if (dev->flag & RT_DEVICE_FLAG_INT_TX)
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if (dev->flag & RT_DEVICE_FLAG_INT_TX)
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{
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{
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#if CODEC_MASTER_MODE
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#if CODEC_MASTER_MODE
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- while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_TXE) == RESET);
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- while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) == SET);
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+ while (SPI_I2S_GetFlagStatus(CODEC_I2S_PORT, SPI_I2S_FLAG_TXE) == RESET);
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+ while (SPI_I2S_GetFlagStatus(CODEC_I2S_PORT, SPI_I2S_FLAG_BSY) == SET);
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- I2S_Cmd(SPI2, DISABLE);
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+ I2S_Cmd(CODEC_I2S_PORT, DISABLE);
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r06 &= ~MS;
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r06 &= ~MS;
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codec_send(r06);
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codec_send(r06);
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#else
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#else
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/* Disable the I2S2 */
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/* Disable the I2S2 */
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- I2S_Cmd(SPI2, DISABLE);
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+ I2S_Cmd(CODEC_I2S_PORT, DISABLE);
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#endif
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#endif
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}
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}
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#if CODEC_MASTER_MODE
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#if CODEC_MASTER_MODE
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- else if (dev->flag & RT_DEVICE_FLAG_DMA_TX)
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+ else if ((dev->flag & RT_DEVICE_FLAG_DMA_TX) && (r06 & MS))
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{
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{
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- DMA_Cmd(DMA1_Channel5, DISABLE);
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+ DMA_Cmd(CODEC_I2S_DMA, DISABLE);
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- while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_TXE) == RESET);
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- while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) == SET);
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+ while (SPI_I2S_GetFlagStatus(CODEC_I2S_PORT, SPI_I2S_FLAG_TXE) == RESET);
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+ while (SPI_I2S_GetFlagStatus(CODEC_I2S_PORT, SPI_I2S_FLAG_BSY) == SET);
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- I2S_Cmd(SPI2, DISABLE);
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+ I2S_Cmd(CODEC_I2S_PORT, DISABLE);
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r06 &= ~MS;
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r06 &= ~MS;
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codec_send(r06);
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codec_send(r06);
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@@ -451,7 +492,7 @@ static rt_size_t codec_write(rt_device_t dev, rt_off_t pos,
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{
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{
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device->offset = 0;
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device->offset = 0;
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/* enable I2S interrupt */
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/* enable I2S interrupt */
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- SPI_I2S_ITConfig(SPI2, SPI_I2S_IT_TXE, ENABLE);
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+ SPI_I2S_ITConfig(CODEC_I2S_PORT, SPI_I2S_IT_TXE, ENABLE);
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}
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}
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else if (dev->flag & RT_DEVICE_FLAG_DMA_TX)
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else if (dev->flag & RT_DEVICE_FLAG_DMA_TX)
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{
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{
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@@ -461,7 +502,7 @@ static rt_size_t codec_write(rt_device_t dev, rt_off_t pos,
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#if CODEC_MASTER_MODE
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#if CODEC_MASTER_MODE
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if ((r06 & MS) == 0)
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if ((r06 & MS) == 0)
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{
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{
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- I2S_Cmd(SPI2, ENABLE);
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+ I2S_Cmd(CODEC_I2S_PORT, ENABLE);
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r06 |= MS;
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r06 |= MS;
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codec_send(r06);
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codec_send(r06);
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@@ -477,9 +518,9 @@ rt_err_t codec_hw_init(void)
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{
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{
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rt_device_t dev;
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rt_device_t dev;
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- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC, ENABLE);
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- RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
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- RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
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+ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC, ENABLE);
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+ RCC_APB1PeriphClockCmd(CODEC_I2S_RCC_APB1, ENABLE);
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+ RCC_AHBPeriphClockCmd(CODEC_I2S_RCC_AHB, ENABLE);
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NVIC_Configuration();
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NVIC_Configuration();
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GPIO_Configuration();
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GPIO_Configuration();
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@@ -513,23 +554,23 @@ void codec_isr()
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struct codec_data_node* node;
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struct codec_data_node* node;
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node = &codec.data_list[codec.read_index]; /* get current data node */
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node = &codec.data_list[codec.read_index]; /* get current data node */
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- if (SPI_I2S_GetITStatus(SPI2, SPI_I2S_IT_TXE) == SET)
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+ if (SPI_I2S_GetITStatus(CODEC_I2S_PORT, SPI_I2S_IT_TXE) == SET)
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{
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{
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#if CODEC_MASTER_MODE
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#if CODEC_MASTER_MODE
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if ((r06 & MS) == 0)
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if ((r06 & MS) == 0)
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{
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{
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- I2S_Cmd(SPI2, ENABLE);
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- SPI_I2S_SendData(SPI2, node->data_ptr[codec.offset++]);
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+ I2S_Cmd(CODEC_I2S_PORT, ENABLE);
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+ SPI_I2S_SendData(CODEC_I2S_PORT, node->data_ptr[codec.offset++]);
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r06 |= MS;
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r06 |= MS;
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codec_send(r06);
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codec_send(r06);
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}
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}
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else
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else
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{
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{
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- SPI_I2S_SendData(SPI2, node->data_ptr[codec.offset++]);
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+ SPI_I2S_SendData(CODEC_I2S_PORT, node->data_ptr[codec.offset++]);
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}
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}
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#else
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#else
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- SPI_I2S_SendData(SPI2, node->data_ptr[codec.offset++]);
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+ SPI_I2S_SendData(CODEC_I2S_PORT, node->data_ptr[codec.offset++]);
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#endif
|
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#endif
|
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}
|
|
}
|
|
|
|
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@@ -555,13 +596,13 @@ void codec_isr()
|
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if (next_index == codec.put_index)
|
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if (next_index == codec.put_index)
|
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{
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|
{
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/* no data on the list, disable I2S interrupt */
|
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/* no data on the list, disable I2S interrupt */
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- SPI_I2S_ITConfig(SPI2, SPI_I2S_IT_TXE, DISABLE);
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+ SPI_I2S_ITConfig(CODEC_I2S_PORT, SPI_I2S_IT_TXE, DISABLE);
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|
|
|
|
#if CODEC_MASTER_MODE
|
|
#if CODEC_MASTER_MODE
|
|
- while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_TXE) == RESET);
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- while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) == SET);
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|
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+ while (SPI_I2S_GetFlagStatus(CODEC_I2S_PORT, SPI_I2S_FLAG_TXE) == RESET);
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+ while (SPI_I2S_GetFlagStatus(CODEC_I2S_PORT, SPI_I2S_FLAG_BSY) == SET);
|
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|
|
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- I2S_Cmd(SPI2, DISABLE);
|
|
|
|
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+ I2S_Cmd(CODEC_I2S_PORT, DISABLE);
|
|
|
|
|
|
r06 &= ~MS;
|
|
r06 &= ~MS;
|
|
codec_send(r06);
|
|
codec_send(r06);
|
|
@@ -594,7 +635,7 @@ void codec_dma_isr()
|
|
#if CODEC_MASTER_MODE
|
|
#if CODEC_MASTER_MODE
|
|
if ((r06 & MS) == 0)
|
|
if ((r06 & MS) == 0)
|
|
{
|
|
{
|
|
- I2S_Cmd(SPI2, ENABLE);
|
|
|
|
|
|
+ I2S_Cmd(CODEC_I2S_PORT, ENABLE);
|
|
|
|
|
|
r06 |= MS;
|
|
r06 |= MS;
|
|
codec_send(r06);
|
|
codec_send(r06);
|
|
@@ -604,15 +645,18 @@ void codec_dma_isr()
|
|
else
|
|
else
|
|
{
|
|
{
|
|
#if CODEC_MASTER_MODE
|
|
#if CODEC_MASTER_MODE
|
|
- DMA_Cmd(DMA1_Channel5, DISABLE);
|
|
|
|
|
|
+ if (r06 & MS)
|
|
|
|
+ {
|
|
|
|
+ DMA_Cmd(CODEC_I2S_DMA, DISABLE);
|
|
|
|
|
|
- while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_TXE) == RESET);
|
|
|
|
- while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) == SET);
|
|
|
|
|
|
+ while (SPI_I2S_GetFlagStatus(CODEC_I2S_PORT, SPI_I2S_FLAG_TXE) == RESET);
|
|
|
|
+ while (SPI_I2S_GetFlagStatus(CODEC_I2S_PORT, SPI_I2S_FLAG_BSY) == SET);
|
|
|
|
|
|
- I2S_Cmd(SPI2, DISABLE);
|
|
|
|
|
|
+ I2S_Cmd(CODEC_I2S_PORT, DISABLE);
|
|
|
|
|
|
- r06 &= ~MS;
|
|
|
|
- codec_send(r06);
|
|
|
|
|
|
+ r06 &= ~MS;
|
|
|
|
+ codec_send(r06);
|
|
|
|
+ }
|
|
#endif
|
|
#endif
|
|
|
|
|
|
rt_kprintf("*\n");
|
|
rt_kprintf("*\n");
|