centralCtrSys/centralCtrSys_end/Core/Inc/spi.h

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    spi.h
  * @brief   This file contains all the function prototypes for
  *          the spi.c file
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __SPI_H__
#define __SPI_H__

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "main.h"

/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

extern SPI_HandleTypeDef hspi1;

/* USER CODE BEGIN Private defines */
/* SPI总线速度设置 */
#define SPI_SPEED_2         0
#define SPI_SPEED_4         1
#define SPI_SPEED_8         2
#define SPI_SPEED_16        3
#define SPI_SPEED_32        4
#define SPI_SPEED_64        5
#define SPI_SPEED_128       6
#define SPI_SPEED_256       7

/* USER CODE END Private defines */

void MX_SPI1_Init(void);

/* USER CODE BEGIN Prototypes */
// @brief	SPI速度设置函数
void spi_set_speed(uint8_t speed);
// @brief	SPI读写一个字节的数据
uint8_t spi_read_write_byte(uint8_t txdata);

/* USER CODE END Prototypes */

#ifdef __cplusplus
}
#endif

#endif /* __SPI_H__ */