两个定时器实现振荡器
....................\Gppw.gpj
....................\Gppw.gps
....................\Project.inf
....................\ProjectDB.mdb
....................\Resource
....................\........\Others
....................\........\......\COMMENT.wcd
....................\........\param.wpa
....................\........\POU
....................\........\...\Body
....................\........\...\....\MAIN.wpg