测试串行通讯口的程序,全部源码,共大家下载使用!-serial communication port testing procedures, all of the source code, we were downloading!

软硬件结合，串口应用大全，让你从串行通讯新手一天到高手，稍后会有全文翻译上传-hardware and software integration, application Serial Daquan, you serial communication from the novice to master one day, there will be translation later upload

SIMATIC S7系列串行通讯模板的功能描述； SIMATIC S7系列串行通讯模板的ASCII协议通信； SIMATIC S7系列串行通讯模板的MODBUS RTU协议通信；-Serial Communication，CP，ASCII，MODBUS RTU，SIMATIC S7