#ifndef FLASH_H_ #define FLASH_H_ #include "stm32f446xx.h" #include #include /* for addr in FLASH */ typedef struct{ uint8_t data_id; // data_id = id register of can uint8_t value; uint16_t crc; // uint32_t write_ptr_now; }FLASH_RECORD; enum { addr_id = 0, foc_id = 1, angl = 2, vel = 3, pid_p = 4, pid_i, pid_d }; #define FLASH_RECORD_SIZE sizeof(FLASH_RECORD) //size flash struct #define PARAM_COUNT 4 // count data in flash // Flash sectors for STM32F407 #define SECTOR_2 0x08008000 // 16KB #define SECTOR_3 0x0800C000 // 16KB #define SECTOR_4 0x08010000 // 64KB #define SECTOR_5 0x08020000 // 128KB #define SECTOR_6 0x08040000 // 128KB #define SECTOR_6_END (SECTOR_6 + 128 * 1024) // sector 6 end #define SECTOR_7 0x08060000 // 128KB #define FLAG_BOOT (0x08040000 + 4) // Flash keys for unlocking flash memory #define BYTE32 0 #define BYTE8 1 #define UPDATE_FLAG 0xDEADBEEF // Unique 32bit value //FLASH SET ONE PROGRAMM WORD #define FLASH_8BYTE FLASH->CR &= ~FLASH_CR_PSIZE & ~FLASH_CR_PSIZE_1 #define FLASH_32BYTE \ FLASH->CR = (FLASH->CR & ~FLASH_CR_PSIZE) | (0x2 << FLASH_CR_PSIZE_Pos) // Flash command bits #define FLASH_LOCK FLASH->CR |= FLASH_CR_LOCK #define FLASH_UNLOCK FLASH->KEYR = FLASH_KEY1; FLASH->KEYR = FLASH_KEY2 // Flash status flags #define FLASH_BUSY (FLASH->SR & FLASH_SR_BSY) #define FLASH_ERROR (FLASH->SR & (FLASH_SR_WRPERR | FLASH_SR_PGAERR | FLASH_SR_PGPERR | FLASH_SR_PGSERR)) //for bootloader typedef void(*pFunction)(void); // Function prototypes void flash_unlock(void); void flash_lock(void); void erase_sector(uint8_t sector); void flash_program_word(uint32_t address, uint32_t data,uint32_t byte_len); uint8_t flash_read_word(uint32_t address); void write_param(uint8_t param_id, uint8_t val); FLASH_RECORD* load_params(); void compact_page(); void flash_read(uint32_t addr,FLASH_RECORD* ptr); uint16_t validate_crc16(uint8_t *data,uint32_t length); void flash_write(uint32_t addr, FLASH_RECORD* record); bool validaate_crc(FLASH_RECORD* crc); #endif /* FLASH_H_ */