Ps2ToUsbKeyboardAdapter_Basic.ino

/*
Copyright (C) 2017 Steve Benz <s8878992@hotmail.com>

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
USA
*/
#include "ps2_Keyboard.h"
#include "ps2_NullDiagnostics.h"
#include "ps2_UsbTranslator.h"
// This sketch requires you to have the "HIDProject" Arduino library installed.
#include "HID-Project.h"

static ps2::NullDiagnostics diagnostics;
static ps2::UsbTranslator<ps2::NullDiagnostics> keyMapping(diagnostics);
static ps2::Keyboard<3,2,1, ps2::NullDiagnostics> ps2Keyboard(diagnostics);
static ps2::UsbKeyboardLeds ledValueLastSentToPs2 = ps2::UsbKeyboardLeds::none;

// the setup function runs once when you press reset or power the board
void setup() {
    ps2Keyboard.begin();
    //ps2Keyboard.awaitStartup();

    BootKeyboard.begin();
}

void loop() {
    ps2::UsbKeyboardLeds newLedState = (ps2::UsbKeyboardLeds)BootKeyboard.getLeds();
    if (newLedState != ledValueLastSentToPs2)
    {
        ps2Keyboard.sendLedStatus(keyMapping.translateLeds(newLedState));
        ledValueLastSentToPs2 = newLedState;
    }

    ps2::KeyboardOutput scanCode = ps2Keyboard.readScanCode();
    if (scanCode != ps2::KeyboardOutput::none && scanCode != ps2::KeyboardOutput::garbled)
    {
        ps2::UsbKeyAction action = keyMapping.translatePs2Keycode(scanCode);
        KeyboardKeycode hidCode = (KeyboardKeycode)action.hidCode;

        switch (action.gesture) {
            case ps2::UsbKeyAction::KeyDown:
                BootKeyboard.press(hidCode);
                break;
            case ps2::UsbKeyAction::KeyUp:
                BootKeyboard.release(hidCode);
                break;
        }
    }
}