62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
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#ifndef __SDIO_LOWLEVEL_H__
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#define __SDIO_LOWLEVEL_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "stm32f4xx.h"
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#define SD_DETECT_PIN GPIO_Pin_7 /* PC.7 */
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#define SD_DETECT_GPIO_PORT GPIOC /* GPIOC */
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#define SD_DETECT_GPIO_CLK RCC_AHB1Periph_GPIOC
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#define SDIO_FIFO_ADDRESS ((uint32_t)0x40012C80)
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/**
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* @brief SDIO Intialization Frequency (400KHz max)
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*/
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#define SDIO_INIT_CLK_DIV ((uint8_t)0x76)
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/**
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* @brief SDIO Data Transfer Frequency (25MHz max)
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*/
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#define SDIO_TRANSFER_CLK_DIV ((uint8_t)0x0)
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#define SD_SDIO_DMA DMA2
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#define SD_SDIO_DMA_CLK RCC_AHB1Periph_DMA2
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#define SD_SDIO_DMA_STREAM3 3
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// #define SD_SDIO_DMA_STREAM6 6
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#ifdef SD_SDIO_DMA_STREAM3
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#define SD_SDIO_DMA_STREAM DMA2_Stream3
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#define SD_SDIO_DMA_CHANNEL DMA_Channel_4
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#define SD_SDIO_DMA_FLAG_FEIF DMA_FLAG_FEIF3
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#define SD_SDIO_DMA_FLAG_DMEIF DMA_FLAG_DMEIF3
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#define SD_SDIO_DMA_FLAG_TEIF DMA_FLAG_TEIF3
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#define SD_SDIO_DMA_FLAG_HTIF DMA_FLAG_HTIF3
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#define SD_SDIO_DMA_FLAG_TCIF DMA_FLAG_TCIF3
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#define SD_SDIO_DMA_IRQn DMA2_Stream3_IRQn
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#define SD_SDIO_DMA_IRQHANDLER DMA2_Stream3_IRQHandler
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#elif defined SD_SDIO_DMA_STREAM6
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#define SD_SDIO_DMA_STREAM DMA2_Stream6
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#define SD_SDIO_DMA_CHANNEL DMA_Channel_4
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#define SD_SDIO_DMA_FLAG_FEIF DMA_FLAG_FEIF6
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#define SD_SDIO_DMA_FLAG_DMEIF DMA_FLAG_DMEIF6
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#define SD_SDIO_DMA_FLAG_TEIF DMA_FLAG_TEIF6
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#define SD_SDIO_DMA_FLAG_HTIF DMA_FLAG_HTIF6
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#define SD_SDIO_DMA_FLAG_TCIF DMA_FLAG_TCIF6
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#define SD_SDIO_DMA_IRQn DMA2_Stream6_IRQn
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#define SD_SDIO_DMA_IRQHANDLER DMA2_Stream6_IRQHandler
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#endif /* SD_SDIO_DMA_STREAM3 */
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void SD_LowLevel_DeInit(void);
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void SD_LowLevel_Init(void);
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void SD_LowLevel_DMA_TxConfig(uint32_t *BufferSRC, uint32_t BufferSize);
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void SD_LowLevel_DMA_RxConfig(uint32_t *BufferDST, uint32_t BufferSize);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __SDIO_LOWLEVEL_H__ */
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