protect read/write flash

user/main.c

@@ -46,14 +46,14 @@ int main()
 	FLASH_ClearFlag(FLASH_FLAG_PGPERR);
 	FLASH_ClearFlag(FLASH_FLAG_PGSERR);
 
-/*	if (FLASH_OB_GetRDP() != SET) {
+	if (FLASH_OB_GetRDP() != SET) {
 		FLASH_Unlock();                           // this line is critical!
 		FLASH_OB_Unlock();
 		FLASH_OB_RDPConfig(OB_RDP_Level_1);
 		FLASH_OB_Launch();                        // Option Bytes programming
 		FLASH_OB_Lock();
 		FLASH_Lock();
-	}*/
+	}
 
 	gpio_init();