VGA/LoopbackTerminal/LoopbackTerminal.ino

Loopback VT/ANSI Terminal

/*
  Created by Fabrizio Di Vittorio (fdivitto2013@gmail.com) - <http://www.fabgl.com>
  Copyright (c) 2019-2022 Fabrizio Di Vittorio.
  All rights reserved.
 
 
* Please contact fdivitto2013@gmail.com if you need a commercial license.
 
 
* This library and related software is available under GPL v3.
 
  FabGL is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  FabGL 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 General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with FabGL.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 
#include "fabgl.h"
 
 
 
 
fabgl::VGATextController DisplayController;
fabgl::PS2Controller     PS2Controller;
fabgl::Terminal          Terminal;
 
 
void print_info()
{
  Terminal.write("\e[37m* * FabGL - Loopback VT/ANSI Terminal\r\n");
  Terminal.write("\e[34m* * 2019-2022 by Fabrizio Di Vittorio - www.fabgl.com\e[32m\r\n\n");
  Terminal.printf("\e[32mScreen Size        :\e[33m %d x %d\r\n", DisplayController.getViewPortWidth(), DisplayController.getViewPortHeight());
  Terminal.printf("\e[32mTerminal Size      :\e[33m %d x %d\r\n", Terminal.getColumns(), Terminal.getRows());
  Terminal.printf("\e[32mKeyboard           :\e[33m %s\r\n", PS2Controller.keyboard()->isKeyboardAvailable() ? "OK" : "Error");
  Terminal.printf("\e[32mFree DMA Memory    :\e[33m %d\r\n", heap_caps_get_free_size(MALLOC_CAP_DMA));
  Terminal.printf("\e[32mFree 32 bit Memory :\e[33m %d\r\n\n", heap_caps_get_free_size(MALLOC_CAP_32BIT));
  Terminal.write("\e[32mFree typing test - press ESC to introduce escape VT/ANSI codes\r\n\n");
}
 
 
void setup()
{
  Serial.begin(115200);
 
  PS2Controller.begin(PS2Preset::KeyboardPort0);
 
  DisplayController.begin();
  DisplayController.setResolution();
 
  Terminal.begin(&DisplayController);
  Terminal.connectLocally();      // to use Terminal.read(), available(), etc..
 
  Terminal.setBackgroundColor(Color::Black);
  Terminal.setForegroundColor(Color::BrightGreen);
  Terminal.clear();
 
  print_info();
 
  Terminal.enableCursor(true);
 
  /*
  // do you want sound on key press? ;-)
  Terminal.onVirtualKey = [&](VirtualKey * vk, bool keyDown) {
    if (keyDown)
      Terminal.soundGenerator()->playSound(VICNoiseGenerator(), (*vk == VirtualKey::VK_RETURN ? 90 : 120), 10);;
      Terminal.soundGenerator()->playSound(SquareWaveformGenerator(), (*vk == VirtualKey::VK_RETURN ? 1000 : 2000), 4);;
  };
  */
}
 
 
void loop()
{
  if (Terminal.available()) {
    char c = Terminal.read();
    switch (c) {
     case 0x7F:       // DEL -> backspace + ESC[K
       Terminal.write("\b\e[K");
       break;
     case 0x0D:       // CR  -> CR + LF
       Terminal.write("\r\n");
       break;
    default:
       Terminal.write(c);
       break;
    }
  }
}