VGA/HardwareTest/HardwareTest.ino

Hardware test with GUI

/*
  Created by Fabrizio Di Vittorio (fdivitto2013@gmail.com) - www.fabgl.com
  Copyright (c) 2019-2020 Fabrizio Di Vittorio.
  All rights reserved.

  This file is part of FabGL Library.

  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"
#include "fabui.h"

#include <WiFi.h>



fabgl::VGA16Controller DisplayController;
fabgl::PS2Controller   PS2Controller;





struct TestApp : public uiApp {

  uiFrame *        frame;
  uiButton *       soundButton;
  SoundGenerator * soundGenerator;
  uiTimerHandle    soundTimer;
  uiButton *       sdButton;
  uiLabel *        sdResultLabel;
  uiComboBox *     gpioInComboBox;
  uiButton *       gpioInState;
  uiComboBox *     gpioOutComboBox;
  uiButton *       gpioOutState;
  uiTimerHandle    gpioTimer;
  uiButton *       wifiButton;
  uiLabel *        wifiResultLabel;

  int              gpioIn, gpioOut;


  ~TestApp() {
    delete soundGenerator;
  }


  void init() {

    rootWindow()->frameStyle().backgroundColor = Color::Black;
    frame = new uiFrame(rootWindow(), "Hardware test", UIWINDOW_PARENTCENTER, Size(600, 350));

    int y = 20;

    // colors
    new uiLabel(frame, "COLORS TEST:", Point(10, y));
    y += 20;
    static const char * COLORSL[8] = { "Black", "Red", "Green", "Yellow", "Blue", "Magenta", "Cyan", "White" };
    static const char * COLORSH[8] = { "B. Black", "B. Red", "B. Green", "B. Yellow", "B. Blue", "B. Magenta", "B. Cyan", "B. White" };
    for (int i = 0; i < 8; ++i) {
      int left = 60;
      int hspc = 60;
      int vspc = 30;
      new uiLabel(frame, COLORSL[i], Point(left + i * hspc, y));
      new uiColorBox(frame, Point(left + i * hspc, y + 15), Size(50, 14), (Color)i);
      new uiLabel(frame, COLORSH[i], Point(left + i * hspc, y + vspc));
      new uiColorBox(frame, Point(left + i * hspc, y + 15 + vspc), Size(50, 14), (Color)(i+ 8));
    }

    y += 80;

    // keyboard test
    new uiLabel(frame, "KEYBOARD TEST:", Point(10, y));
    new uiTextEdit(frame, "Please type something", Point(120, y - 3), Size(450, 20));

    y += 40;

    // sound test
    soundGenerator = new SoundGenerator;
    new uiLabel(frame, "SOUND TEST:", Point(10, y));
    soundButton = new uiButton(frame, "Start", Point(120, y - 3), Size(80, 20), uiButtonKind::Switch);
    soundButton->onChange = [&]() {
      if (soundButton->down()) {
        soundButton->setText("Stop");
        soundTimer = setTimer(frame, 250);
      } else {
        soundButton->setText("Start");
        killTimer(soundTimer);
      }
    };

    y += 40;

    // SD Card test
    new uiLabel(frame, "SDCARD TEST:", Point(10, y));
    sdButton = new uiButton(frame, "Start", Point(120, y - 3), Size(80, 20));
    sdButton->onClick = [&]() {
      testSD();
    };
    sdResultLabel = new uiLabel(frame, "", Point(210, y));

    y += 44;

    // GPIO test
    static const int GPIOS_IN[] = { 0, 1, 2, 3, 12, 13, 14, 16, 17, 18, 34, 35, 36, 39 };
    static const int GPIOS_OUT[] = { 0, 1, 2, 3, 12, 13, 14, 16, 17, 18 };
    new uiLabel(frame, "GPIO TEST:", Point(10, y));

    new uiLabel(frame, "In", Point(120, y - 18));
    gpioInComboBox = new uiComboBox(frame, Point(120, y - 3), Size(34, 22), 60);
    for (int i = 0; i < sizeof(GPIOS_IN) / sizeof(int); ++i)
      gpioInComboBox->items().appendFmt("%d", GPIOS_IN[i]);
    gpioInComboBox->onChange = [&]() {
      gpioIn = gpioInComboBox->selectedItem() > -1 ? GPIOS_IN[gpioInComboBox->selectedItem()] : GPIOS_IN[10];
      pinMode(gpioIn, INPUT);
    };
    gpioIn = GPIOS_IN[10];
    pinMode(gpioIn, INPUT);
    gpioInComboBox->selectItem(10);
    new uiLabel(frame, "State", Point(162, y - 18));
    gpioInState = new uiButton(frame, "", Point(162, y - 3), Size(25, 22), uiButtonKind::Switch);

    new uiLabel(frame, "Out", Point(250, y - 18));
    gpioOutComboBox = new uiComboBox(frame, Point(250, y - 3), Size(34, 22), 60);
    for (int i = 0; i < sizeof(GPIOS_OUT) / sizeof(int); ++i)
      gpioOutComboBox->items().appendFmt("%d", GPIOS_OUT[i]);
    gpioOutComboBox->onChange = [&]() {
      gpioOut = gpioOutComboBox->selectedItem() > -1 ? GPIOS_OUT[gpioOutComboBox->selectedItem()] : GPIOS_OUT[2];
      pinMode(gpioOut, OUTPUT);
      updateGPIOOutState();
    };
    gpioOut = GPIOS_OUT[2];
    pinMode(gpioOut, OUTPUT);
    gpioOutComboBox->selectItem(2);
    new uiLabel(frame, "State", Point(292, y - 18));
    gpioOutState = new uiButton(frame, "", Point(292, y - 3), Size(25, 22), uiButtonKind::Switch);
    gpioOutState->setDown(false);
    gpioOutState->onChange = [&]() {
      updateGPIOOutState();
    };
    updateGPIOOutState();

    gpioTimer = setTimer(frame, 100);

    y += 40;

    // wifi
    new uiLabel(frame, "WIFI TEST:", Point(10, y));
    wifiButton = new uiButton(frame, "Start", Point(120, y - 3), Size(80, 20));
    wifiButton->onClick = [&]() {
      testWifi();
    };
    wifiResultLabel = new uiLabel(frame, "", Point(210, y));


    // timer
    frame->onTimer = [&](uiTimerHandle h) {
      if (h == soundTimer) {
        soundGenerator->playSound(SineWaveformGenerator(), random(100, 3000), 230, 100);
      }
      if (h == gpioTimer) {
        updateGPIOInState();
      }
    };


    new uiLabel(frame, "FabGL - Copyright 2019-2020 by Fabrizio Di Vittorio", Point(175, 313));
    new uiLabel(frame, "WWW.FABGL.COM", Point(260, 330));

  }


  void updateGPIOOutState() {
    if (gpioOutState->down()) {
      gpioOutState->setText("1");
      digitalWrite(gpioOut, HIGH);
    } else {
      gpioOutState->setText("0");
      digitalWrite(gpioOut, LOW);
    }
  }

  void updateGPIOInState() {
    if (digitalRead(gpioIn) == HIGH) {
      gpioInState->setText("1");
    } else {
      gpioInState->setText("0");
    }
    gpioInState->repaint();
  }


  void testSD() {
    // mount test
    FileBrowser fb;
    fb.unmountSDCard();
    bool r = fb.mountSDCard(false, "/SD");
    if (!r) {
      sdResultLabel->labelStyle().textColor = Color::BrightRed;
      sdResultLabel->setText("Mount Failed!");
      return;
    }
    // write test
    fb.setDirectory("/SD");
    constexpr int size = 16384;
    bool ok = true;
    auto fname = fb.createTempFilename();
    auto f = fopen(fname, "wb");
    if (f) {
      for (int i = 0; i < size; ++i)
        if (fputc(i & 0xff, f) != (i & 0xff)) {
          ok = false;
          break;
        }
      fclose(f);
    }
    if (!f || !ok) {
      free(fname);
      sdResultLabel->labelStyle().textColor = Color::BrightRed;
      sdResultLabel->setText("Write Failed!");
      return;
    }
    // read test
    f = fopen(fname, "rb");
    if (f) {
      for (int i = 0; i < size; ++i)
        if (fgetc(f) != (i & 0xff)) {
          ok = false;
          break;
        }
      fclose(f);
    }
    free(fname);
    if (!f || !ok) {
      sdResultLabel->labelStyle().textColor = Color::BrightRed;
      sdResultLabel->setText("Read Failed!");
      return;
    }

    sdResultLabel->labelStyle().textColor = Color::Green;
    sdResultLabel->setText("Success!");
  }

  void testWifi() {
    auto r = WiFi.scanNetworks(false, true);
    if (r == WIFI_SCAN_FAILED) {
      wifiResultLabel->labelStyle().textColor = Color::BrightRed;
      wifiResultLabel->setText("Wifi Scan Failed!");
    } else if (r == 0) {
      wifiResultLabel->labelStyle().textColor = Color::Yellow;
      wifiResultLabel->setText("Ok, No Network Found!");
    } else {
      wifiResultLabel->labelStyle().textColor = Color::Green;
      wifiResultLabel->setTextFmt("Ok, Found %d Networks", r);
    }
    WiFi.scanDelete();
  }

} app;



void setup()
{
  //Serial.begin(115200); delay(500); Serial.write("\n\n\n"); // DEBUG ONLY

  PS2Controller.begin(PS2Preset::KeyboardPort0_MousePort1, KbdMode::GenerateVirtualKeys);

  DisplayController.queueSize = 350;  // trade UI speed using less RAM and allow both WiFi and SD Card FS
  DisplayController.begin();
  DisplayController.setResolution(VESA_640x480_75Hz, 640, 360);
}




void loop()
{
  app.runAsync(&DisplayController);
  vTaskDelete(NULL);
}