可以用于实现在应用编程的上位机功能，用于BOOTLAODER，软件已经测试使用了，但必须和我上传的MCU代码（飞思卡尔的MK60FN）配合使用。还有些其它的功能界面，在IAP作用中使用不到，需要使用的可以留言我，我把通讯协议给你。-Can be used to realize the function, the application programming of PC for BOOTLAODER, software has been tested using, but must code and I uploaded MCU (fly think of MK60FN Carle) with the use of. There are other functional interface, to not used in IAP function, need to use can leave a message to me, I put the communication protocol for you.