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rfid_pctest's Introduction

Rfid_PCTest

在PC上用Python的Serials和Tkinter编写的通信上位机

通信协议

帧格式

帧格式为定长的10个BYTE 帧头为OXFFAA 紧跟的6个BYTE的数据，结尾是校验为1个BYTE

通信过程

所有的通信都是由上位机发起，ARM接收到数据帧以后查收是否异常，返回应答帧
执行完任务以后，从机把处理结果返回给上位机，上位机回复收到帧，完成一次通信过程
数据字段为7个BYTE，其中开头1BYTE为指令码后6个BYTE位操作数据。


校验方法是帧头和数据的异或

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