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stm32: Add support for MMC driver, exposed via pyb.MMCard class.

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Enable it via MICROPY_HW_ENABLE_MMCARD.
This commit is contained in:
Damien George
2019-04-01 15:55:04 +11:00
parent 9670b26526
commit 7ce2a08231
6 changed files with 358 additions and 82 deletions
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14
ports/stm32/dma.c
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@@ -39,6 +39,8 @@
#define DMA_IDLE_TICK_MAX (8) // 8*8 = 64 msec
#define DMA_IDLE_TICK(tick) (((tick) & ~(SYSTICK_DISPATCH_NUM_SLOTS - 1) & DMA_SYSTICK_MASK) == 0)
#define ENABLE_SDIO (MICROPY_HW_ENABLE_SDCARD || MICROPY_HW_ENABLE_MMCARD)
typedef enum {
dma_id_not_defined=-1,
dma_id_0,
@@ -100,7 +102,7 @@ static const DMA_InitTypeDef dma_init_struct_spi_i2c = {
#endif
};
#if MICROPY_HW_ENABLE_SDCARD && !defined(STM32H7)
#if ENABLE_SDIO && !defined(STM32H7)
// Parameters to dma_init() for SDIO tx and rx.
static const DMA_InitTypeDef dma_init_struct_sdio = {
#if defined(STM32F4) || defined(STM32F7)
@@ -256,7 +258,7 @@ const dma_descr_t dma_I2C_1_TX = { DMA1_Stream6, DMA_CHANNEL_1, dma_id_6, &dma
*/
// DMA2 streams
#if defined(STM32F7) && defined(SDMMC2) && MICROPY_HW_ENABLE_SDCARD
#if defined(STM32F7) && defined(SDMMC2) && ENABLE_SDIO
const dma_descr_t dma_SDMMC_2 = { DMA2_Stream0, DMA_CHANNEL_11, dma_id_8, &dma_init_struct_sdio };
#endif
#if MICROPY_HW_ENABLE_DCMI
@@ -264,7 +266,7 @@ const dma_descr_t dma_DCMI_0 = { DMA2_Stream1, DMA_CHANNEL_1, dma_id_9, &dma_in
#endif
const dma_descr_t dma_SPI_1_RX = { DMA2_Stream2, DMA_CHANNEL_3, dma_id_10, &dma_init_struct_spi_i2c };
const dma_descr_t dma_SPI_5_RX = { DMA2_Stream3, DMA_CHANNEL_2, dma_id_11, &dma_init_struct_spi_i2c };
#if MICROPY_HW_ENABLE_SDCARD
#if ENABLE_SDIO
const dma_descr_t dma_SDIO_0 = { DMA2_Stream3, DMA_CHANNEL_4, dma_id_11, &dma_init_struct_sdio };
#endif
const dma_descr_t dma_SPI_4_RX = { DMA2_Stream3, DMA_CHANNEL_5, dma_id_11, &dma_init_struct_spi_i2c };
@@ -272,11 +274,11 @@ const dma_descr_t dma_SPI_5_TX = { DMA2_Stream4, DMA_CHANNEL_2, dma_id_12, &dma
const dma_descr_t dma_SPI_4_TX = { DMA2_Stream4, DMA_CHANNEL_5, dma_id_12, &dma_init_struct_spi_i2c };
const dma_descr_t dma_SPI_6_TX = { DMA2_Stream5, DMA_CHANNEL_1, dma_id_13, &dma_init_struct_spi_i2c };
const dma_descr_t dma_SPI_1_TX = { DMA2_Stream5, DMA_CHANNEL_3, dma_id_13, &dma_init_struct_spi_i2c };
//#if defined(STM32F7) && defined(SDMMC2) && MICROPY_HW_ENABLE_SDCARD
//#if defined(STM32F7) && defined(SDMMC2) && ENABLE_SDIO
//const dma_descr_t dma_SDMMC_2 = { DMA2_Stream5, DMA_CHANNEL_11, dma_id_13, &dma_init_struct_sdio };
//#endif
const dma_descr_t dma_SPI_6_RX = { DMA2_Stream6, DMA_CHANNEL_1, dma_id_14, &dma_init_struct_spi_i2c };
//#if MICROPY_HW_ENABLE_SDCARD
//#if ENABLE_SDIO
//const dma_descr_t dma_SDIO_0 = { DMA2_Stream6, DMA_CHANNEL_4, dma_id_14, &dma_init_struct_sdio };
//#endif
/* not preferred streams
@@ -352,7 +354,7 @@ const dma_descr_t dma_ADC_2_RX = { DMA2_Channel4, DMA_REQUEST_0, dma_id_10, NUL
const dma_descr_t dma_DAC_1_TX = { DMA2_Channel4, DMA_REQUEST_3, dma_id_10, &dma_init_struct_dac };
const dma_descr_t dma_SPI_1_TX = { DMA2_Channel4, DMA_REQUEST_4, dma_id_10, &dma_init_struct_spi_i2c };
*/
#if MICROPY_HW_ENABLE_SDCARD
#if ENABLE_SDIO
const dma_descr_t dma_SDIO_0 = { DMA2_Channel4, DMA_REQUEST_7, dma_id_10, &dma_init_struct_sdio };
#endif
/* not preferred streams