// MUNTS-0018 Raspberry Pi Tutorial I/O Board Button and LED Test

// Copyright (C)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.

#if OrangePiZero2W
using static IO.Objects.SimpleIO.Platforms.MUNTS_0018.OrangePiZero2W;
#else
using static IO.Objects.SimpleIO.Platforms.MUNTS_0018.RaspberryPi;
#endif
using static System.Console;

WriteLine("\nMUNTS-0018 Button and LED Test\n");

// Create GPIO pin objects

var Button = ButtonInputFactory();
var LED    = LEDOutputFactory(false);

// Force initial state change

bool ButtonOld = false;
bool ButtonNew = false;

ButtonOld = !Button.state;

// Main event loop

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

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