control.c

一个基于LABwindowsCVI和单片机的串口双向通讯程序

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

static int panelHandle;

int statu,com=1;

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, "control.uir", PANEL)) < 0)
	return -1;
	DisplayPanel (panelHandle);
	RunUserInterface ();
	return 0;
}

int CVICALLBACK QuitCallback (int panel, int control, int event,
void *callbackData, int eventData1, int eventData2)
{
	switch (event)
	{
		case EVENT_COMMIT:
			QuitUserInterface (0);
		break;
	}
	return 0;
}

int CVICALLBACK ConfigCallback (int panel, int control, int event,void *callbackData, int eventData1, int eventData2)
{
	char devicename[10];
	
	switch (event)
	{
		case EVENT_COMMIT:
		// GetCtrlVal(panelHandle,PANEL_COMPORT,&com);
		// GetLabelFromIndex(panelHandle,PANEL_COMPORT, com-1,devicename);
		
		/* statu = OpenComConfig (1, "COM1", 9600, 0, 8, 1, 0, 0); 
		
		if (statu!=0) MessagePopup ("Error", "Config failed!") ;
		else MessagePopup ("Sucess", "Config failed!");
		//SetCtrlAttribute (panel, PANEL_ANGLE, ATTR_DIMMED, -statu);
		//SetCtrlAttribute (panel, PANEL_SEND, ATTR_DIMMED, -statu);
		// SetCtrlAttribute (panel, PANEL_ROTATE, ATTR_DIMMED, -statu);
		
		*/
		
		statu = OpenComConfig (1, "COM1", 9600, 0, 8, 1, 0, 0);
		if(statu!=0) MessagePopup ("Error", "Config failed!");
		else 
		{		
			SetCtrlAttribute (panel, PANEL_SEND, ATTR_DIMMED, -statu); 
			MessagePopup ("Success", "Config Success!");		
		}
		break;
	}
	return 0;
}


int CVICALLBACK SendCallback (int panel, int control, int event,
void *callbackData, int eventData1, int eventData2)
{
	int bytes;
	float angle,rotate;
	char senddata[15];
	int c,m,n,i,l;
	float b;
	char s[5];
	switch (event)
	{
	
		case EVENT_COMMIT:
		
		FlushInQ (1);
		FlushOutQ (1);
		
		GetCtrlVal (panelHandle, PANEL_ANGLE, &angle);
		GetCtrlVal (panelHandle, PANEL_ROTATE, &rotate);
		strcpy(senddata,"a");
		if(angle<0)
		{
			strcat(senddata, "-");
			angle=-angle;
		}
		else strcat(senddata, "+"); 
		angle=angle/0.225; 
		m=0;
		n=0;
		i=0;
		l=0;
		bytes=0;
		c=(int)angle;
		b=angle-c;
		if (b>=0.5)
		{
			c=c+1;
			c=1942;//11.24
		}
		
		if(c>1000)
		{ 
			m=1;
			c=c-1000;
		}
		
		if(c>100)
		{
			n=(int)(c/100);
			c=c-n*100;
		}
		
		if(c>10)
		{
			i=(int)(c/10);
			c=c-i*10;
		}
		
		l=c;
		
		s[0]=m+48;
		// strcat(senddata, s);
		s[1]=n+48;
		//strcat(senddata, s);
		s[2]=i+48;
		//strcat(senddata, s);
		s[3]=l+48;
		s[4]='\0';
		
		strcat(senddata, s);
		
		//itoa(c,s,5);
		strcat(senddata, s);
		strcat(senddata,"d");
		statu=ComWrt(1,senddata,9);
		if(statu!=9)
		{
			MessagePopup ("Error", "Send data failed please send again"); 
		}
		
		bytes=ComRdByte(1);
		
		if(bytes>=0)
		{
			MessagePopup ("Error", "Send data failed please send again"); 
		}
		FlushInQ (com);
		FlushOutQ (com);
		CloseCom (com);
		
		break;
	}
	return 0;
}