The main computer was connected with PMAC via DLL of PCOMM. Using multimedia timer and multithreading technologies,real-time gathering data,mass memory,data upload and display function,and so on have been realized.

• 通过PCOMM这个动态链接库建立上位机同PMAC之间的连接；采用多媒体定时器技术与多线程技术；解决了实时数据采集、海量存储、数据上载及显示功能.