apps/display-training/app_calibrate.c File Reference

Display Xplained calibrate application. More...

#include <string.h>
#include <progmem.h>
#include <mainloop.h>
#include <gfx/gfx.h>
#include <gfx/win.h>
#include <gfx/wtk.h>
#include <gfx/sysfont.h>
#include <touch/touch.h>
#include "app_calibrate.h"

Go to the source code of this file.

Data Structures
struct	touch_calibrate_context
	Application context. More...
Defines
#define	abs(a)   (((a) < 0) ? -(a) : (a))
	Convenience macro for getting absolute value of an integer.
Application configuration
#define	CAL_OFFSET   50
	Offset from the display edges to calibration circles.
#define	CAL_RADIUS   5
	Radius of calibration circles.
#define	CAL_TRESHOLD   500
	Threshold for unintended touches on display.
#define	CAL_BG_COLOR   GFX_COLOR(0, 0, 255)
	Background color for the application.
#define	CAL_FG_COLOR   GFX_COLOR(255, 255, 255)
	Foreground color for the application.
Functions
static	DEFINE_PROGMEM (char, calibrate_help_text[])
	Calibration guide text.
static void	touch_calibrate_event_handler (const struct touch_event *event)
	Touch event handler.
static void	touch_calibrate_task_handler (struct workqueue_task *task)
	Application task worker.
void	app_touch_calibrate_setup (struct workqueue_task *completed_task)
	Set up calibration.
Variables
static struct touch_calibrate_context *	calibrate_context
	Context pointer.
static struct font	sysfont2x
	Application font in use.

---

Detailed Description

Display Xplained calibrate application.

Copyright (C) 2010 Atmel Corporation. All rights reserved.

Definition in file app_calibrate.c.