问答-
GD32F130F4P6 FMC问题 读出来都是0XFFFFFFF
voidFLASH_Erase(void)//擦除程序必须变成ff才可以{uint32_tEraseCounter;fmc_unlock();fmc_flag_clear(FMC_FLAG_END|FMC_FLAG_WPERR|FMC_FLAG_PGERR);for(EraseCounter=0U;EraseCounter<PageNum;EraseCounter++){fmc_page_erase(FMC_WRITE_START_ADDR+(FMC_PAGE_SIZE*EraseCounter));fmc_flag_clear(FMC_FLAG_END|FMC_FLAG_WPERR|FMC_FLAG_PGERR);}fmc_lock();}voidFLASH_Write(uint32_tDATA_32)//写入FLASH{//FLASH_Erase();fmc_unlock();address=FMC_WRITE_START_ADDR;while(address<FMC_WRITE_END_ADDR){fmc_word_program(address,DATA_32);address+=4U;fmc_flag_clear(FMC_FLAG_END|FMC_FLAG_WPERR|FMC_FLAG_PGERR);}fmc_lock();}uint32_tFLASH_Read_only(void)//只读{uint32_tDate_Read=0;Date_Read=(*(uint32_t*)FMC_WRITE_START_ADDR);returnDate_Read;}
2022-03-25 2
