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源码---
int main(void)
{uint32_t d;Led_init();key_init();/* 初始化串口1波特率为115200bps,若发送/接收数据有乱码,请检查PLL */usart1_init(115200);printf("this is flash test\r\n");/* 解锁FLASH(闪存)*/FLASH_Unlock();/* 擦除扇区4(如果不擦除将不可再写入数据) */if(FLASH_EraseSector(FLASH_Sector_4, VoltageRange_3) != FLASH_COMPLETE){printf("FLASH_EraseSector error\r\n");while(1);}/* 向扇区4首地址写入0x12345678 */if(FLASH_ProgramWord(0x8010000,0xAABBCCDD)!= FLASH_COMPLETE){printf("FLASH_ProgramWord error\r\n");while(1); }/* 不再需要修改数据,则锁定闪存 */FLASH_Lock(); d = *(__IO uint32_t*)0x8010000;printf("read addr at 0x8010000 is 0x%08X\r\n",d);while(1){}}