/*!
    \file    spi_if.h
    \brief   spi接收发送统一接口函数

    \version firmware for GD32H7xx
*/

#ifndef _SPI_IF_H_
#define _SPI_IF_H_

#include <stdint.h>


typedef struct {
    uint32_t spi;          // MCU对应的SPI口
    uint32_t rstPort;      // 复位GPIO引脚
    uint16_t rstPin;       // 复位pin引脚
    uint32_t csPort;       // 片选GPIO引脚
    uint16_t csPin;        // 片选pin引脚
    uint8_t initialized;   // 初始化状态
} spi_dev_t;

// 兼容旧结构体名称
typedef spi_dev_t spi_t;

/* 对外接口函数 */
void spi_transmit_byte(uint32_t spi_periph, uint8_t data);
uint8_t spi_receive_byte(uint32_t spi_periph);
uint8_t spi_transmit_receive_byte(uint32_t spi_periph, uint8_t tx_data);

// GPIO控制函数
void spi_cs_control(spi_dev_t *dev, uint8_t enable);
void spi_rst_control(spi_dev_t *dev, uint8_t enable);

// SPI初始化函数
int spi_init_dev(spi_dev_t *dev, uint32_t spi_periph, uint32_t csPort, uint16_t csPin, uint32_t rstPort, uint16_t rstPin);
int spi_deinit_dev(spi_dev_t *dev);

#endif