C
u8 MCU_ID[24];
void FlashReadID()
{
    u32 FlashID[3]={0,0,0};
    FlashID[0] = *(uint32_t*)(0x1FFFF7E8);
    FlashID[1] = *(uint32_t*)(0x1FFFF7EC);
    FlashID[2] = *(uint32_t*)(0x1FFFF7F0);
    sprintf((char*)MCU_ID,"%08X%08X%08X",FlashID[0],FlashID[1],FlashID[2]);
    printf("MCU_ID:%s\r\n",MCU_ID);
	 
}