#ifndef __W25Qxx_H #define __W25Qxx_H #include "gpio.h" #include "main.h" #include "stm32l4xx_hal_gpio.h" #ifdef __cplusplus extern "C" { #endif #define W25X_WriteEnable 0x06 //FLASH 写使能 #define W25X_WriteDisable 0x04 #define W25X_ReadStatusReg 0x05 //FLASH 读取状态 #define W25X_WriteStatusReg 0x01 //FLASH 写状态 #define W25X_ReadData 0x03 //可低速下读FLASH数据 #define W25X_FastReadData 0x0B //快速读取 #define W25X_FastReadDual 0x3B #define W25X_PageProgram 0x02 //按页写FLASH #define W25X_BlockErase 0xD8 #define W25X_SectorErase 0x20 //擦除FLASH扇区 #define W25X_ChipErase 0xC7 //擦除FLASH块 #define W25X_PowerDown 0xB9 //深度掉电模式功耗1uA #define W25X_ReleasePowerDown 0xAB //退出深度掉电模式 #define W25X_DeviceID 0xAB #define W25X_ManufactDeviceID 0x90 #define W25X_JedecDeviceID 0x9F //FLASH 读ID #define FLASH_CS_PIN GPIO_PIN_15 #define FLASH_CS_PORT GPIOB #define SPI_FLASH_CS_LOW() HAL_GPIO_WritePin(FLASH_CS_PORT, FLASH_CS_PIN, GPIO_PIN_RESET); #define SPI_FLASH_CS_HIGH() HAL_GPIO_WritePin(FLASH_CS_PORT, FLASH_CS_PIN, GPIO_PIN_SET); static uint8_t spi1_flash_read_byte(void); static uint8_t spi1_flash_send_byte(uint8_t byte); static void spi1_flash_write_enable(void); void spi1_flash_wait_for_write_end(void) ; uint32_t spi_flash_read_ID(void); void spi1_flash_read(uint32_t addr,uint8_t *pdata, uint16_t size); void spi1_flash_page_write(uint32_t addr, uint8_t *pdata, uint16_t size); void spi1_flash_write(uint32_t addr, uint8_t *pdata, uint32_t size); void spi1_flash_sector_erase(uint32_t sector_addr); void spi1_flash_block_erase(void); void spi1_flash_enter_deep_power_down(void); void spi1_flash_release_from_deep_power_down(void); #endif