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/*******************************************************************************
* Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of Maxim Integrated
* Products, Inc. shall not be used except as stated in the Maxim Integrated
* Products, Inc. Branding Policy.
*
* The mere transfer of this software does not imply any licenses
* of trade secrets, proprietary technology, copyrights, patents,
* trademarks, maskwork rights, or any other form of intellectual
* property whatsoever. Maxim Integrated Products, Inc. retains all
* ownership rights.
*******************************************************************************/

#include <string>
#include <DigitalIn.h>
#include <I2C.h>
#include "SensorNode.hpp"
#include "DS2476.hpp"
#include "CC3100.hpp"
#include "Display.hpp"
#include "Keys.hpp"
#include "WindowManager.hpp"
#include "InitWindow.hpp"

static mbed::DigitalIn upButton(D5);
static mbed::DigitalIn downButton(D4);
static mbed::DigitalIn leftButton(D3);
static mbed::DigitalIn rightButton(D2);
static mbed::DigitalIn leftClickButton(D1);
static mbed::DigitalIn rightClickButton(D0);

static Display display(D11, D12, D13, D7, D6);
static WindowManager windowManager(display.canvas());

static mbed::I2C i2c(D14, D15);
DS2476 coproc(i2c);
SensorNode sensorNode(i2c, coproc);

std::string webId;

static bool buttonPressed(mbed::DigitalIn & button);

int main()
{   
    i2c.frequency(100000);
    display.initialize();
    // Set initial window.
    {
        std::auto_ptr<Window> window(new InitWindow);
        windowManager.push(window);
    }
    while (true)
    {
        // Update window manager and redraw screen if necessary.
        if (windowManager.update())
        {
            display.update();
        }
        // Update CC3100 Wi-Fi interface.
        CC3100::instance().update();
        // Check if any buttons are pressed.
        if (buttonPressed(leftClickButton))
        {
            windowManager.processKey(LeftClickKey);
        }
        else if (buttonPressed(rightClickButton))
        {
            windowManager.processKey(RightClickKey);
        }
        else if (buttonPressed(upButton))
        {
            windowManager.processKey(UpKey);
        }
        else if (buttonPressed(downButton))
        {
            windowManager.processKey(DownKey);
        }
        else if (buttonPressed(leftButton))
        {
            windowManager.processKey(LeftKey);
        }
        else if (buttonPressed(rightButton))
        {
            windowManager.processKey(RightKey);
        }
    }
}

/// Checks if button is pressed and waits for release.
/// @param button Active low button to check.
/// @returns True if pressed.
static bool buttonPressed(mbed::DigitalIn & button)
{
    const int buttonPressed = 0; // Active low
    if (button == buttonPressed)
    {
        while (button == buttonPressed) ;
        return true;
    }
    // else
    return false;
}