sample5_3.c

CVI例程

#include <formatio.h>
#include <ansi_c.h>
#include <gpib.h>
#include <cvirte.h>		/* Needed if linking in external compiler; harmless otherwise */
#include <userint.h>
#include "sample5_3.h"

static int panelHandle;
int func,addr,board;
int OpenedBoard=0,OpenedDevice=0;
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, "sample5_3.uir", SAMPLE5_3)) < 0)
		return -1;
	DisplayPanel (panelHandle);
	RunUserInterface ();
	return 0;
}

int CVICALLBACK Continue (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	if(event==EVENT_COMMIT) {
		GetCtrlVal (panelHandle, SAMPLE5_3_SELECTADDRESS, &addr);
		GetCtrlVal (panelHandle, SAMPLE5_3_SELECTBOARD, &board);
		DiscardPanel(panelHandle);   
		if(func==1)
			panelHandle=LoadPanel (0, "sample5_3.uir",DEVICE );
		else{
			panelHandle=LoadPanel (0, "sample5_3.uir",BOARD);
            OpenedDevice = ibdev (board, addr, NO_SAD, T10s, 1, 0);    
		}
        SetCtrlAttribute (panelHandle, DEVICE_STATUS_MSG, ATTR_VISIBLE, 0);
		DisplayPanel(panelHandle);
	}
	return 0;
}

int CVICALLBACK Quit (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	if(event==EVENT_COMMIT){
		if(OpenedBoard)
			ibonl (OpenedBoard, 0); 
		QuitUserInterface (0);
	}
	return 0;
}

int CVICALLBACK OpenBoard (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	char command[256],buf[256];
	if(event==EVENT_COMMIT){
		if(board==0) strcpy(command,"gpib0");
		if(board==1) strcpy(command,"gpib1"); 
		if(board==2) strcpy(command,"gpib2"); 
		if(board==3) strcpy(command,"gpib3"); 
		sprintf(buf,"ibfind (\"%s\")",command);  
		ResetTextBox (panelHandle, BOARD_COMMAND, "");
        SetCtrlVal (panelHandle, BOARD_COMMAND, buf);
        OpenedBoard = ibfind (command);
        if (ibsta & 0x8000){
            SetCtrlVal (panelHandle, BOARD_STATUS, 1);
            SetCtrlVal (panelHandle, BOARD_ERROR, iberr);
            SetCtrlVal (panelHandle, BOARD_COUNT, 0); 
        }
        else{
            SetCtrlVal (panelHandle, BOARD_STATUS, 0);
            SetCtrlVal (panelHandle, BOARD_ERROR, 0);
            SetCtrlVal (panelHandle, BOARD_COUNT, ibcnt); 
            SetCtrlAttribute (panelHandle, BOARD_CLEARBOARD, ATTR_DIMMED, 0);  
        } 
	}
	return 0;
}

int CVICALLBACK ClearBoard (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	char buf[256];
	if(event==EVENT_COMMIT){
		sprintf(buf,"ibsic (%d)",OpenedBoard);
		ResetTextBox (panelHandle, BOARD_COMMAND, "");
        SetCtrlVal (panelHandle, BOARD_COMMAND, buf);
		ibsic(OpenedBoard);  
        if (ibsta & 0x8000){
            SetCtrlVal (panelHandle, BOARD_STATUS, 1);
            SetCtrlVal (panelHandle, BOARD_ERROR, iberr);
            SetCtrlVal (panelHandle, BOARD_COUNT, 0); 
        }
        else{
            SetCtrlVal (panelHandle, BOARD_STATUS, 0);
            SetCtrlVal (panelHandle, BOARD_ERROR, 0);
            SetCtrlVal (panelHandle, BOARD_COUNT, ibcnt); 
            SetCtrlAttribute (panelHandle, BOARD_CLEARBOARD, ATTR_DIMMED, 0);  
        }  
	}
	return 0;
}

int CVICALLBACK DeviceQuit (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	if(event==EVENT_COMMIT){
		ibonl (OpenedDevice, 0);
		QuitUserInterface (0);
	}
	return 0;
}

int CVICALLBACK WriteRead (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	char buf[10000];
	int bytes;
	if(event==EVENT_COMMIT){
		GetCtrlVal (panelHandle, DEVICE_SELECTFUNC, &func);
		if(func==0){//write
			GetCtrlVal (panelHandle, DEVICE_COMMAND, buf);
			SetCtrlAttribute (panelHandle, DEVICE_STATUS_MSG, ATTR_VISIBLE, 1);
            ProcessDrawEvents();
            ibwrt (OpenedDevice, buf, strlen(buf));
            SetCtrlAttribute (panelHandle, DEVICE_STATUS_MSG, ATTR_VISIBLE, 0);
            ProcessDrawEvents();
        }
        else{
        	GetCtrlVal (panelHandle, DEVICE_BYTESTOREAD, &bytes);
        	SetCtrlAttribute (panelHandle, DEVICE_STATUS_MSG, ATTR_VISIBLE, 1);
            ProcessDrawEvents();
            ibrd (OpenedDevice,buf, bytes);
            SetCtrlAttribute (panelHandle, DEVICE_STATUS_MSG, ATTR_VISIBLE, 0);
            ProcessDrawEvents();
			if (!(ibsta & 0x8000)){ 
				ResetTextBox (panelHandle, DEVICE_DATARECEIVED, "");
                InsertTextBoxLine (panelHandle, DEVICE_DATARECEIVED, 0, buf);
                FillBytes (buf, 0, bytes, 0x0);
			}
		}
        if (ibsta & 0x8000){
           	SetCtrlVal (panelHandle, DEVICE_STATUS, 1);
            SetCtrlVal (panelHandle, DEVICE_ERROR, iberr);
            SetCtrlVal (panelHandle, DEVICE_COUNT, 0); 
        }
	    else{
	        SetCtrlVal (panelHandle, DEVICE_STATUS, 0);
	        SetCtrlVal (panelHandle, DEVICE_ERROR, 0);
	        SetCtrlVal (panelHandle, DEVICE_COUNT, ibcnt); 
	    }
	}
	return 0;
}

int CVICALLBACK SelectFunc (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	if(event==EVENT_COMMIT)
	{
		GetCtrlVal (panelHandle, SAMPLE5_3_SELECTFUNC, &func);
		if(func==1)
			SetCtrlAttribute (panelHandle, SAMPLE5_3_SELECTADDRESS, ATTR_DIMMED,0);
		else
			SetCtrlAttribute (panelHandle, SAMPLE5_3_SELECTADDRESS, ATTR_DIMMED,1);
	}
	return 0;
}

int CVICALLBACK Func (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	if(event==EVENT_COMMIT){
		GetCtrlVal (panelHandle, DEVICE_SELECTFUNC, &func);
		if(func==1) {
			 SetCtrlAttribute (panelHandle, DEVICE_STATUS_MSG, ATTR_CTRL_VAL, "正在读取数据...");
			 SetCtrlAttribute (panelHandle, DEVICE_WRITEREAD, ATTR_LABEL_TEXT,"读数据");
		}
		else	{
			 SetCtrlAttribute (panelHandle, DEVICE_WRITEREAD, ATTR_LABEL_TEXT,"发命令");
			 SetCtrlAttribute (panelHandle, DEVICE_STATUS_MSG, ATTR_CTRL_VAL, "正在发送数据...");
		}
	}
	return 0;
}