基于STM32、HAL库、W25P80(SPI接口)C语言程序设计

1、w25p80.h头文件：

#ifndef W25P80_H
#define W25P80_H

#include "stm32l4xx_hal.h"

#define W25P80_PAGE_SIZE          256
#define W25P80_SECTOR_SIZE        4096
#define W25P80_BLOCK_SIZE         65536
#define W25P80_FLASH_SIZE         0x100000  // 8MB

#define W25P80_CMD_WRITE_ENABLE   0x06
#define W25P80_CMD_WRITE_DISABLE  0x04
#define W25P80_CMD_READ_STATUS_REG1 0x05
#define W25P80_CMD_READ_DATA      0x03
#define W25P80_CMD_PAGE_PROGRAM   0x02
#define W25P80_CMD_SECTOR_ERASE   0x20
#define W25P80_CMD_CHIP_ERASE    0xC7
#define W25P80_CMD_READ_ID        0x9F

#define W25P80_STATUS_BUSY        0x01

extern SPI_HandleTypeDef hspi1;  // 假设使用SPI1

void W25P80_Init(vo