RS232串口通讯程序

#include <userint.h> #include <rs232.h> #include <ansi_c.h> #include <cvirte.h> #include <formatio.h> #include "S232.h" static int panelHandle; char info[100]; void CVICALLBACK ComCallback(int portNo,int eventMask,void *callbackData); int __stdcall WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow) { if (InitCVIRTE (hInstance, 0, 0) == 0) return -1; /* out of memory */ if ((panelHandle = LoadPanel (0, "S232.uir", PANEL)) < 0) return -1; OpenComConfig(1,"",9600,0,8,1,512,512); SetCTSMode(1,LWRS_HWHANDSHAKE_OFF); /*InstallComCallback(1,LWRS_RXCHAR,0,'\0',ComCallback,0);*/ FlushInQ(1); FlushOutQ(1); DisplayPanel (panelHandle); RunUserInterface (); CloseCom(1); DiscardPanel (panelHandle); return 0; } int CVICALLBACK Timer (int panel, int control, int event, void *callbackData, int eventData1, int eventData2) { char readBuf[100]={0}; int strLen; switch (event) { case EVENT_TIMER_TICK: strLen=GetInQLen(1); if(strLen!=0) { ComRd(1,readBuf,strLen); SetCtrlVal(panelHandle,PANEL_String_1,readBuf); } break; } return 0; } int CVICALLBACK Quit (int panel, int control, int event, void *callbackData, int eventData1, int eventData2) { switch (event) { case EVENT_COMMIT: QuitUserInterface (0); break; } return 0; } int CVICALLBACK SendData (int panel, int control, int event, void *callbackData, int eventData1, int eventData2) { switch (event) { case EVENT_COMMIT: GetCtrlVal(PANEL,PANEL_String_2,info); FlushInQ(1); ComWrt(1,info,strlen(info)); break; } return 0; }