/*	**************************************************************  */
/*
 *	Module QUADDETUI
 *	This module contains functions for the quadrant detector
 *	user interface.
 *
 *	Zachary Wolf
 *	3/23/99
 */ 

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

/*	INCLUDES  */
#include <utility.h>
#include <ansi_c.h>
#include <cvirte.h>		/* Needed if linking in external compiler; harmless otherwise */
#include <userint.h>
#include "quaddetuir.h"
#include "quaddetui.h"
#include "quaddet.h"

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

/*	PRIVATE VARIABLES  */
static int quaddet_panel;
static int history_panel;
static double ave_x = 0.;
static double ave_y = 0.;
static long int num_points = 0;

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

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

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

/*  PUBLIC FUNCTIONS  */

/*	**************************************************************  */
/*
 *	quaddetui_init
 *  This function initializes the user interface for the quadrant
 *	detector.
 *
 *	Zachary Wolf
 *	3/16/99
 */

void quaddetui_init()
{
	/* Open the quadrant detector panel */
	quaddet_panel = LoadPanel(0, "quaddetuir.uir", QUADDETPAN);
	if (quaddet_panel < 0)
	{
		quaddetui_error("Could not open user interface panel");
		return;
	}
	
	/* Open the history panel */
	history_panel = LoadPanel(0, "quaddetuir.uir", HISTORYPAN);
	if (history_panel < 0)
	{
		quaddetui_error("Could not open user history panel");
		return;
	}
	
	/* Display the panel when the user interface runs */
	DisplayPanel(quaddet_panel);
	DisplayPanel(history_panel);
	
	/* Done */
	return;
}

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

/*  PRIVATE FUNCTIONS  */

/*	**************************************************************  */
/*
 *	quaddetui_error
 *  This function handles error messages for the quadrant
 *	detector user interface.
 *
 *	Input:
 *	message, string to display in standard I/O
 *
 *	Zachary Wolf
 *	3/16/99
 */

void quaddetui_error(char* message)
{
	/* Declare variables */
	char buf[80];
	
	/* Notify the operator of the error */
	printf("\nQUADDETUI ERROR: %s\n", message);
	Beep();
	Delay(.5);
	Beep();
	
	/* Terminate the program if the operator desires */
	printf("Press 0 ENTER to continue, anything else to terminate program: ");
	scanf("%s", buf);
	if (buf[0] == '0') return;
	else exit(0);
}

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

/*  PRIVATE USER INTERFACE FUNCTIONS  */

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

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

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

int CVICALLBACK quaddetui_timer (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	/* Declare variables */
	double v1, v2, v3, v4;
	double x, y;
	static double filt_x = 0.;
	static double filt_y = 0.;
	static int filt_num_samp = 0;
	int filt_required_num_samp;
	double sum_x, sum_y;
	
	switch (event)
	{
		case EVENT_TIMER_TICK:
			/* Get the quadrant voltages */
			quaddet_get_v_ave(&v1, &v2, &v3, &v4);
			SetCtrlVal (quaddet_panel, QUADDETPAN_NUM_V1, v1);
			SetCtrlVal (quaddet_panel, QUADDETPAN_NUM_V2, v2);
			SetCtrlVal (quaddet_panel, QUADDETPAN_NUM_V3, v3);
			SetCtrlVal (quaddet_panel, QUADDETPAN_NUM_V4, v4);
			/* Calculate the beam position */
			quaddet_calc_pos(v1, v2, v3, v4, &x, &y);
			/* Update the beam position display */
			filt_x = filt_x + x;
			filt_y = filt_y + y;
			filt_num_samp++;
			GetCtrlVal (quaddet_panel, QUADDETPAN_NUM_FILTER, &filt_required_num_samp);
			if (filt_num_samp >= filt_required_num_samp)
			{
				filt_x = filt_x / filt_num_samp;
				filt_y = filt_y / filt_num_samp;
				SetCtrlVal (quaddet_panel, QUADDETPAN_NUM_MET_X, filt_x);
				SetCtrlVal (quaddet_panel, QUADDETPAN_NUM_MET_Y, filt_y);
				filt_x = 0.;
				filt_y = 0.;
				filt_num_samp = 0;
			}
			/* Update the beam history plot */
			PlotPoint (history_panel, HISTORYPAN_GRAPH_HISTORY, x, y,
					   VAL_SMALL_SOLID_SQUARE, VAL_BLACK);
			sum_x = ave_x * num_points + x;
			sum_y = ave_y * num_points + y;
			num_points = num_points + 1;
			ave_x = sum_x / num_points;
			ave_y = sum_y / num_points;
			SetCtrlVal (history_panel, HISTORYPAN_NUM_AVE_X, ave_x);
			SetCtrlVal (history_panel, HISTORYPAN_NUM_AVE_Y, ave_y);
			break;
	}
	return 0;
}

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

int CVICALLBACK quaddetui_cmd_reset (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event) {
		case EVENT_COMMIT:
			DeleteGraphPlot (history_panel, HISTORYPAN_GRAPH_HISTORY, -1,
						 VAL_IMMEDIATE_DRAW);
			num_points = 0;
			ave_x = 0.;
			ave_y = 0.;
			SetCtrlVal (history_panel, HISTORYPAN_NUM_AVE_X, ave_x);
			SetCtrlVal (history_panel, HISTORYPAN_NUM_AVE_Y, ave_y);
			break;
	}
	return 0;
}