/*	**************************************************************  */
/*
 *	Module TDS754DUI
 *	This module contains functions for the Tektronix TDS754D
 *	user interface.
 *
 *	Zachary Wolf
 *	5/22/01
 */ 

/*	**************************************************************  */

/*	INCLUDES  */
#include <utility.h>
#include <ansi_c.h>
#include <cvirte.h>		/* Needed if linking in external compiler; harmless otherwise */
#include <userint.h>
#include "tds754duir.h"
#include "tds754dui.h"
#include "tds754d.h"

/*	**************************************************************  */

/*	PRIVATE VARIABLES  */
static int tds754d_ID;
static int tds754d_panel;

/*	**************************************************************  */

/*  PRIVATE FUNCTION DECLARATIONSS  */
void tds754dui_error(char* msg);

/*	**************************************************************  */

/*  PUBLIC FUNCTIONS  */

/*	**************************************************************  */
/*
 *	tds754dui_init
 *  This function initializes the user interface for the TDS754D.
 *
 *	Input:
 *	ID, TDS754D device identifier
 *
 *	Zachary Wolf
 *	5/22/01
 */

void tds754dui_init(int ID)
{
	/* Save the TDS754D ID */
	tds754d_ID = ID;
	
	/* Open the TDS754D panel */
	tds754d_panel = LoadPanel(0, "tds754duir.uir", TDS754DPAN);
	if (tds754d_panel < 0)
	{
		tds754dui_error("Could not open user interface panel");
		return;
	}
	
	/* Display the panel when the user interface runs */
	DisplayPanel(tds754d_panel);
	
	/* Done */
	return;
}

/*	**************************************************************  */

/*  PRIVATE FUNCTIONS  */

/*	**************************************************************  */
/*
 *	tds754dui_error
 *  This function handles error messages for the TDS754D user interface.
 *
 *	Input:
 *	message, string to display in standard I/O
 *
 *	Zachary Wolf
 *	5/22/01
 */

void tds754dui_error(char* message)
{
	/* Declare variables */
	char buf[TDS754D_MAX_CMD];
	
	/* Notify the operator of the error */
	printf("\nTDS754DUI ERROR: %s\n", message);
	Beep();
	Delay(.5);
	Beep();
	
	/* Terminate the program if the operator desires */
	printf("Press ENTER to continue.\nPress any key then ENTER to terminate program.\n");
	fgets(buf, TDS754D_MAX_CMD, stdin);
	if (buf[0] == '\n') return;
	else exit(0);
}

/*	**************************************************************  */

/*  PRIVATE USER INTERFACE FUNCTIONS  */

/*	**************************************************************  */

int CVICALLBACK tds754dui_quit(int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
	{
		case EVENT_COMMIT:
			tds754d_exit(tds754d_ID);
			QuitUserInterface(0);
			break;
	}
	return 0;
}

/*	**************************************************************  */

int CVICALLBACK tds754dui_get_waveform(int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	int chan;
	long int num_samp;
	double t[50000];
	double v[50000];

	switch (event)
	{
		case EVENT_COMMIT:
			GetCtrlVal(panel, TDS754DPAN_NUM_CHAN, &chan);
			tds754d_get_waveform(tds754d_ID, chan, &num_samp, t, v);
			//printf("num_samp = %i\n", num_samp);
			DeleteGraphPlot (panel, TDS754DPAN_GRAPH, -1, VAL_IMMEDIATE_DRAW);
			PlotXY (panel, TDS754DPAN_GRAPH, t, v, num_samp, VAL_DOUBLE, VAL_DOUBLE,
				VAL_THIN_LINE, VAL_SIMPLE_DOT, VAL_SOLID, 1, VAL_RED);
			break;
	}
	return 0;
}