/*******************************************************************************
  * Start of Arduino_GFX setting
  * 
  * Arduino_GFX try to find the settings depends on selected board in Arduino IDE
  * Or you can define the display dev kit not in the board list
  * Defalult pin list for non display dev kit:
  * Arduino Nano, Micro and more: CS:  9, DC:  8, RST:  7, BL:  6, SCK: 13, MOSI: 11, MISO: 12
  * ESP32 various dev board     : CS:  5, DC: 27, RST: 33, BL: 22, SCK: 18, MOSI: 23, MISO: nil
  * ESP32-C3 various dev board  : CS:  7, DC:  2, RST:  1, BL:  3, SCK:  4, MOSI:  6, MISO: nil
  * ESP32-S2 various dev board  : CS: 34, DC: 38, RST: 33, BL: 21, SCK: 36, MOSI: 35, MISO: nil
  * ESP32-S3 various dev board  : CS: 40, DC: 41, RST: 42, BL: 48, SCK: 36, MOSI: 35, MISO: nil
  * ESP8266 various dev board   : CS: 15, DC:  4, RST:  2, BL:  5, SCK: 14, MOSI: 13, MISO: 12
  * Raspberry Pi Pico dev board : CS: 17, DC: 27, RST: 26, BL: 28, SCK: 18, MOSI: 19, MISO: 16
  * RTL8720 BW16 old patch core : CS: 18, DC: 17, RST:  2, BL: 23, SCK: 19, MOSI: 21, MISO: 20
  * RTL8720_BW16 Official core  : CS:  9, DC:  8, RST:  6, BL:  3, SCK: 10, MOSI: 12, MISO: 11
  * RTL8722 dev board           : CS: 18, DC: 17, RST: 22, BL: 23, SCK: 13, MOSI: 11, MISO: 12
  * RTL8722_mini dev board      : CS: 12, DC: 14, RST: 15, BL: 13, SCK: 11, MOSI:  9, MISO: 10
  * Seeeduino XIAO dev board    : CS:  3, DC:  2, RST:  1, BL:  0, SCK:  8, MOSI: 10, MISO:  9
  * Teensy 4.1 dev board        : CS: 39, DC: 41, RST: 40, BL: 22, SCK: 13, MOSI: 11, MISO: 12
  ******************************************************************************/
  #include <Arduino_GFX_Library.h>
  #include "bitmaps.h"

  #define GFX_BL DF_GFX_BL // default backlight pin, you may replace DF_GFX_BL to actual backlight pin

  /* More dev device declaration: https://github.com/moononournation/Arduino_GFX/wiki/Dev-Device-Declaration */
  #if defined(DISPLAY_DEV_KIT)
  Arduino_GFX *gfx = create_default_Arduino_GFX();
  #else /* !defined(DISPLAY_DEV_KIT) */

  /* More data bus class: https://github.com/moononournation/Arduino_GFX/wiki/Data-Bus-Class */
  // Arduino_DataBus *bus = create_default_Arduino_DataBus();
  Arduino_DataBus *bus = new Arduino_ESP32SPI(2 /* DC */, 15 /* CS */, 18 /* SCK */, 23 /* MOSI */, GFX_NOT_DEFINED /* MISO */, VSPI /* spi_num */);


  /* More display class: https://github.com/moononournation/Arduino_GFX/wiki/Display-Class */
  Arduino_GFX *gfx = new Arduino_ILI9341(bus, DF_GFX_RST, 0 /* rotation */, false /* IPS */);

  #endif /* !defined(DISPLAY_DEV_KIT) */
  /*******************************************************************************
  * End of Arduino_GFX setting
  ******************************************************************************/

  void setup(void)
  {
      //set the resolution to 12 bits (0-4096)
      analogReadResolution(12);

      gfx->begin();
      gfx->fillScreen(BLACK);

  #ifdef GFX_BL
      pinMode(GFX_BL, OUTPUT);
      digitalWrite(GFX_BL, HIGH);
  #endif

      gfx->setCursor(30, 50);
      gfx->setTextColor(GREEN);
      gfx->setTextSize(4,4,2);
      gfx->println("Mon Amur");

      delay(2000); // 5 seconds
  }

  void loop()
  {
      // gfx->setCursor(random(gfx->width()), random(gfx->height()));
      // gfx->setTextColor(random(0xffff), random(0xffff));
      // gfx->setTextSize(random(6) /* x scale */, random(6) /* y scale */, random(2) /* pixel_margin */);
      // gfx->println("Hello World!");
      // gfx->drawBitmap(0,0,epd_bitmap_fuel_gauge,240,240,0);

      gfx->draw16bitRGBBitmap(0, 0, (const uint16_t *)epd_bitmap_fuel_gauge, 240, 240);
      gfx->setTextSize(2,2,2);
      gfx->setCursor(5, 30);
      gfx->print(String(analogRead(35)));
      
      //needle
      //len 80px
      const int L = 45;
      double alfaL = double(map(analogRead(34), 0, 4095, -45, 45))*M_PI/180;
      double alfaR = double(map(analogRead(35), 0, 4095, -45, 45))*M_PI/180;

      int xl0=40,yl0=120,xl1,yl1;
      int xr0=200,yr0=120,xr1,yr1;
      xl1 = xl0+int(L*cos(alfaL));
      yl1 = yl0-int(L*sin(alfaL));
      gfx->drawLine(xl0, yl0, xl1, yl1, WHITE);

      xr1 = xr0-int(L*cos(alfaR));
      yr1 = yr0-int(L*sin(alfaR));
      gfx->drawLine(xr0, yr0, xr1, yr1, WHITE);

      delay(1000); // 1 second
  }