File content as of revision 10:651861441108:

/*
 *  Copyright 2014 Embedded Artists AB
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
 
#ifndef APP_TOUCHCALIBRATION_H
#define APP_TOUCHCALIBRATION_H

#include "App.h"
#include "DMBoard.h"
#include "lpc_swim.h"
#include "Button.h"

/**
 * An App example. Guides the user throug the steps needed to (re)calibrate the
 * touch controller. After the user presses each of the four corner for calibration
 * the program turns into a very simple drawing application until the Done button
 * is pressed.
 *
 * The purpose of this example is to show how to (re)calibrate the touch controller
 * if that is ever needed.
 */
class AppTouchCalibration : public App {
public:

	AppTouchCalibration();
	virtual ~AppTouchCalibration();

    virtual bool setup();
    virtual void runToCompletion();
    virtual bool teardown();

private:
    Display* _disp;
    TouchPanel* _touch;
    SWIM_WINDOW_T* _win;
    SWIM_WINDOW_T* _msg;
    void* _fb;
    Button* _btn;

    void draw();
    void drawMarker(uint16_t x, uint16_t y, bool erase);
    bool calibrate();
    void showStatus(const char* message, int line=0);
};

#endif