RTX下的并口实现方法，需要在Windows下安装RTX组件来实现RTX的实时性，与VC进行配合开发。此实例程序的并口线是1712板卡的并口线，但是并口协议可以类比开发到其他的平台下。-RTX under parallel realization method, the need to install Windows under RTX components to achieve the RTX real-time, and to tie in with the development of V