hpm6750/controller_yy_app/software/soft_inc/drv_usart.h

#ifndef __DRV_USART_H__
#define __DRV_USART_H__

#include "rkfifo.h"
#include "stdint.h"
#if 0


struct stm32_uart_config
{
    USART_TypeDef *uartx;
    GPIO_TypeDef *_tx_port;
    GPIO_TypeDef *_rx_port;
    uint8_t _uart_irq_channel;
    uint16_t _tx_pin;
    uint16_t _rx_pin;

    uint8_t *_dma_tx_buff;
    uint32_t _dma_tx_buff_size;
    uint8_t *_dma_rx_buff;
    uint32_t _dma_rx_buff_size;

    DMA_Stream_TypeDef *_tx_dma;
    uint32_t _tx_dma_channel;
    uint32_t _tx_dma_tcif;
    uint32_t _tx_dma_teif;
    uint8_t _tx_dma_irq_channel;

    DMA_Stream_TypeDef *_rx_dma;
    uint32_t _rx_dma_channel;
    uint32_t _rx_dma_tcif;
    uint32_t _rx_dma_teif;
    uint8_t _rx_dma_irq_channel;

    rkfifo_t _rx_fifo;
    uint8_t *_rx_fifo_buff;
    uint32_t _rx_fifo_buff_size;
    rkfifo_t _tx_fifo;
    uint8_t *_tx_fifo_buff;
    uint32_t _tx_fifo_buff_size;
};

struct stm32_uart_ops
{
    int (*init)(uint32_t bps);
    uint32_t (*write)(const void *pdata, uint32_t len);
    uint32_t (*read)(void *pdata, uint32_t len);
};

struct stm32_uart
{
    struct stm32_uart_ops *ops;
    struct stm32_uart_config *_config;
};

struct stm32_uart *uart_find(const char *name);
#endif
#endif