串口通讯测试程序,可以设置串口，波特率，数据位，校验位，停止位。-rs232 communication

这是公司现开发的一个串口助手小程序，包含通讯协议，想学习通讯协议的可以下载学习看下。-This is the company is the development of a serial assistant small procedures, including communication protocols, want to learn communication protocols can download the study look.