// GPIO Button and LED Test

// Copyright (C)2018-2023, Philip Munts dba Munts Technologies.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

using System;

namespace test_gpio_button_led
{
    class Program
    {
        static void Main()
        {
            Console.WriteLine("\nGPIO Button and LED Test\n");

            // Create GPIO pin objects

            IO.Objects.SimpleIO.Device.Designator desg_Button =
                new IO.Objects.SimpleIO.Device.Designator(0, 6);

            IO.Interfaces.GPIO.Pin Button =
                new IO.Objects.SimpleIO.GPIO.Pin(desg_Button,
                    IO.Interfaces.GPIO.Direction.Input);

            IO.Objects.SimpleIO.Device.Designator desg_LED =
                new IO.Objects.SimpleIO.Device.Designator(0, 26);

            IO.Interfaces.GPIO.Pin LED =
                new IO.Objects.SimpleIO.GPIO.Pin(desg_LED,
                    IO.Interfaces.GPIO.Direction.Output, false);

            // Force initial state change

            bool ButtonOld = false;
            bool ButtonNew = false;

            ButtonOld = !Button.state;

            // Main event loop

            for (;;)
            {
                ButtonNew = Button.state;

                if (ButtonNew != ButtonOld)
                {
                    Console.WriteLine(ButtonNew ? "PRESSED" : "RELEASED");
                    LED.state = ButtonNew;
                    ButtonOld = ButtonNew;
                }

                System.Threading.Thread.Sleep(100);
            }
        }
    }
}