stm32_dma.h

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/***************************************************************************/
#ifndef STM32_DMA_H_
#define STM32_DMA_H_
 
#include "no_os_dma.h"
#include "stm32_hal.h"
 
enum stm32_dma_data_alignment {
    DATA_ALIGN_BYTE = 0,
    DATA_ALIGN_HALF_WORD = 1,
    DATA_ALIGN_WORD = 2
};
 
enum stm32_dma_mode {
    DMA_NORMAL_MODE = 0,
    DMA_CIRCULAR_MODE = 1
};
 
struct stm32_dma_channel {
    /* DMA Handle */
    DMA_HandleTypeDef *hdma;
    /* Channel Number */
    uint32_t ch_num;
    /* Memory Increment */
    bool mem_increment;
    /* Peripheral Increment */
    bool per_increment;
    /* Memory Data Alignment */
    enum stm32_dma_data_alignment mem_data_alignment;
    /* Peripheral Data Alignment */
    enum stm32_dma_data_alignment per_data_alignment;
    /* DMA Mode */
    enum stm32_dma_mode dma_mode;
    /* Source Address for the data */
    uint8_t* src;
    /* Destination Address for the data */
    uint8_t* dst;
    /* Transfer length in Bytes */
    uint32_t length;
};
 
struct stm32_dma_init_param {
    /* DMA Channel descriptor */
    struct stm32_dma_channel *chn;
};
 
struct stm32_dma_desc {
    /* DMA Channel Descriptor */
    struct stm32_dma_channel* chn;
};
 
extern const struct no_os_dma_platform_ops stm32_dma_ops;
 
#endif