send.c

CVI教程,用于信号采集系统的多任务开发软件.学习简单,功能实用.

#include <formatio.h>
#include <rs232.h>
#include <ansi_c.h>
#include <cvirte.h>		/* Needed if linking in external compiler; harmless otherwise */
#include <userint.h>
#include "send.h"

static int panelHandle;
char com[10]={"COM1"},filename[260]={"1.txt"};

int main (int argc, char *argv[])
{
	if (InitCVIRTE (0, argv, 0) == 0)	/* Needed if linking in external compiler; harmless otherwise */
		return -1;	/* out of memory */
	if ((panelHandle = LoadPanel (0, "send.uir", PANEL)) < 0)
		return -1;
	DisplayPanel (panelHandle);
	RunUserInterface ();
	return 0;
}

int CVICALLBACK SelectPort (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
	{
		case EVENT_COMMIT:
			GetCtrlVal (panelHandle, PANEL_SELECTPORT, com); 
			break;
	}
	return 0;
}

int CVICALLBACK SelectFile (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	FILE *fp;
	switch (event)
	{
		case EVENT_COMMIT:
			
			FileSelectPopup ( "c:\\", "*.txt", "*.*", "", VAL_SELECT_BUTTON, 0, 0, 1, 0,
							 filename);
			SetCtrlVal (panelHandle, PANEL_TEXTMSG, filename);
			break;
	}
	return 0;
}

int CVICALLBACK Send (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{   int file,num;
	switch (event)
	{
		case EVENT_COMMIT:
			OpenComConfig (1, com, 9600, 0, 8, 1, 1000, 1000);
			file=OpenFile (filename, VAL_READ_ONLY, VAL_OPEN_AS_IS, VAL_ASCII); 
			ComFromFile (1, file, 0, -1);
			ComWrtByte (1, 0x1);
			while(1)
			{
				num=GetOutQLen (1);
				if(num==0)
					break;
			}
			CloseCom(1);
			CloseFile (file);   
			QuitUserInterface (0);
			break;
	}
	return 0;
}