#pragma once /* Read commands */ #define CMD_READ_ARRAY_SLOW 0x03 #define CMD_READ_ID 0x9f /* Write commands */ #define CMD_PAGE_PROGRAM 0x02 #define CMD_WRITE_DISABLE 0x04 #define CMD_WRITE_ENABLE 0x06 /* Erase commands */ #define CMD_ERASE_4K 0x20 #define CMD_ERASE_32K 0x52 #define CMD_ERASE_64K 0xD8 #define CMD_ERASE_CHIP 0x60 void init_spi(void); void spi_send_cmd(uint32_t dev, const char *cmd, size_t cmd_len, char *data, size_t data_len); void spi_flash_read(uint32_t dev, uint32_t addr, char *data, size_t len); void spi_flash_write(uint32_t dev, uint32_t addr, char *data, size_t len); void spi_flash_erase(uint32_t dev, uint32_t addr, size_t len);