Low level driver for CARME SDIO SD. More...

Collaboration diagram for CARME SDIO SD LLD:

Macros
#define	SD_DETECT_USE 1

#define	SD_DETECT_PIN GPIO_Pin_11

#define	SD_DETECT_GPIO_PORT GPIOI

#define	SD_DETECT_GPIO_CLK RCC_AHB1Periph_GPIOI

#define	SDIO_FIFO_ADDRESS ((uint32_t)0x40012C80)

#define	SDIO_INIT_CLK_DIV ((uint8_t)0x76)
	SDIO Intialization Frequency (400KHz max)

#define	SDIO_TRANSFER_CLK_DIV ((uint8_t)0x0)
	SDIO Data Transfer Frequency (25MHz max)

#define	SD_SDIO_DMA DMA2

#define	SD_SDIO_DMA_CLK RCC_AHB1Periph_DMA2

#define	SD_SDIO_DMA_STREAM3 3

#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

#define	SD_SDIO_DMA_IRQn DMA2_Stream3_IRQn

#define	SD_SDIO_DMA_IRQHANDLER DMA2_Stream3_IRQHandler

Functions
void	SD_LowLevel_DeInit (void)
	DeInitializes the SDIO interface. Disable SDIO Clock, Set Power State to OFF, DeInitializes the SDIO peripheral, Disable the SDIO APB2 Clock.

void	SD_LowLevel_Init (void)
	Initializes the SD Card and put it into StandBy State (Ready for data transfer).

void	SD_LowLevel_DMA_TxConfig (uint32_t *BufferSRC, uint32_t BufferSize)
	Configures the DMA2 Channel4 for SDIO Tx request. More...

void	SD_LowLevel_DMA_RxConfig (uint32_t *BufferDST, uint32_t BufferSize)
	Configures the DMA2 Channel4 for SDIO Rx request. More...

void	SDIO_IRQHandler (void)
	SDIO IRQ Handler.

void	SD_SDIO_DMA_IRQHANDLER (void)
	SDIO DMA IRQ Handler.

Detailed Description

Low level driver for CARME SDIO SD.

Macro Definition Documentation

#define SD_DETECT_GPIO_PORT GPIOI

SD detect port/pin

Definition at line 27 of file stm32f4_sdio_sd_lld.h.

#define SD_DETECT_PIN GPIO_Pin_11

SD detect port/pin

Definition at line 26 of file stm32f4_sdio_sd_lld.h.

#define SD_SDIO_DMA DMA2

DMA for SD SDIO

Definition at line 41 of file stm32f4_sdio_sd_lld.h.

#define SD_SDIO_DMA_STREAM3 3

DMA stream for SD SDIO

Definition at line 44 of file stm32f4_sdio_sd_lld.h.

void SD_LowLevel_DMA_RxConfig	(	uint32_t *	BufferDST,
		uint32_t	BufferSize
	)

Configures the DMA2 Channel4 for SDIO Rx request.

Parameters

BufferDST	pointer to the destination buffer
BufferSize	buffer size

Return values

None

Definition at line 182 of file stm32f4_sdio_sd_lld.c.

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void SD_LowLevel_DMA_TxConfig	(	uint32_t *	BufferSRC,
		uint32_t	BufferSize
	)

Configures the DMA2 Channel4 for SDIO Tx request.

Parameters

BufferSRC	pointer to the source buffer
BufferSize	buffer size

Return values

None

Definition at line 136 of file stm32f4_sdio_sd_lld.c.

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