#include "U8g2lib.h"

U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0); // [full framebuffer, size = 1024 bytes]

// 'logo', 128x64px
const unsigned char bitmap_logo [] PROGMEM = {
  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  0xFF, 0xFF, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0,
  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0xC0, 0xFF, 0xFF, 0x3F, 0x00, 0xFF, 0xFF, 0x3F, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFF, 0xFF, 0x3F, 0x00,
  0xFF, 0xFF, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0,
  0xFF, 0xFF, 0x9F, 0x7F, 0xFE, 0xFF, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0xC0, 0xFF, 0x9F, 0x9F, 0x7F, 0x7E, 0xFE, 0x3F, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFF, 0x0F, 0x8E, 0x73,
  0x1C, 0xFC, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0,
  0xFF, 0x47, 0xC0, 0xFF, 0x80, 0xF8, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0xC0, 0xFF, 0xE3, 0xE0, 0xFF, 0xC1, 0xF1, 0x3F, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFF, 0xF1, 0x7F, 0x80,
  0xFF, 0xE3, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0,
  0xFF, 0xF8, 0x8F, 0x7F, 0xFC, 0xC7, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0xC0, 0x7F, 0xDC, 0xF3, 0xFF, 0xF3, 0x8E, 0x3F, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0x7F, 0xFE, 0x7D, 0x92,
  0xEF, 0x9F, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0,
  0xFF, 0xFC, 0x7E, 0x92, 0xDF, 0xCF, 0x3F, 0x00, 0xE0, 0x07, 0xFC, 0xFF,
  0xF1, 0x7F, 0x00, 0xC0, 0xFF, 0x78, 0xFF, 0xFF, 0xBF, 0xC7, 0x3F, 0x00,
  0xE0, 0x0F, 0xFC, 0xFF, 0xF1, 0xFF, 0x01, 0xC0, 0xFF, 0xB9, 0x7F, 0x92,
  0x7F, 0xE7, 0x3F, 0x00, 0xE0, 0x0F, 0xFC, 0xFF, 0xF1, 0xFF, 0x07, 0xC0,
  0xFF, 0xD9, 0x7F, 0x92, 0xFF, 0xE6, 0x3F, 0x00, 0xF0, 0x1F, 0xFC, 0xFF,
  0xF1, 0xFF, 0x07, 0xC0, 0xFF, 0xD9, 0x7F, 0x92, 0xFF, 0xE6, 0x3F, 0x00,
  0xF0, 0x1E, 0x00, 0x0F, 0xF0, 0xC0, 0x0F, 0xC0, 0xFF, 0xE8, 0x0F, 0x00,
  0xFC, 0xC5, 0x3F, 0x00, 0xF0, 0x1E, 0x00, 0x0F, 0xF0, 0x00, 0x1F, 0xC0,
  0x3F, 0xEC, 0x0F, 0x00, 0xFC, 0x0D, 0x3F, 0x00, 0xF0, 0x3E, 0x00, 0x0F,
  0xF0, 0x00, 0x1E, 0xC0, 0x0F, 0xEE, 0xCF, 0xFF, 0xFC, 0x1D, 0x3C, 0x00,
  0x78, 0x3C, 0x00, 0x0F, 0xF0, 0x00, 0x1E, 0xC0, 0xCF, 0x37, 0x41, 0x80,
  0x20, 0xFB, 0x3C, 0x00, 0x78, 0x3C, 0x00, 0x0F, 0xF0, 0x00, 0x3C, 0xC0,
  0xCF, 0x37, 0x41, 0xBF, 0x20, 0xFB, 0x3C, 0x00, 0x78, 0x7C, 0x00, 0x0F,
  0xF0, 0x00, 0x3C, 0xC0, 0xCF, 0xF7, 0x4F, 0xBF, 0xFC, 0xFB, 0x3C, 0x00,
  0x7C, 0x78, 0x00, 0x0F, 0xF0, 0x00, 0x3C, 0xC0, 0xCF, 0x36, 0x41, 0xBF,
  0x20, 0xDB, 0x3C, 0x00, 0x3C, 0x78, 0x00, 0x0F, 0xF0, 0x00, 0x3C, 0xC0,
  0xCF, 0x36, 0x41, 0xBF, 0x20, 0xDB, 0x3C, 0x00, 0x3C, 0xF8, 0x00, 0x0F,
  0xF0, 0x00, 0x3C, 0xC0, 0xCF, 0xF7, 0x4F, 0xBF, 0xFC, 0xFB, 0x3C, 0x00,
  0x3C, 0xF0, 0x00, 0x0F, 0xF0, 0x00, 0x3C, 0xC0, 0xCF, 0x37, 0x41, 0xBF,
  0x20, 0xFB, 0x3C, 0x00, 0xFE, 0xFF, 0x00, 0x0F, 0xF0, 0x00, 0x3C, 0xC0,
  0xCF, 0x37, 0x41, 0x80, 0x20, 0xFB, 0x3C, 0x00, 0xFE, 0xFF, 0x01, 0x0F,
  0xF0, 0x00, 0x1E, 0xC0, 0x0F, 0xEE, 0xCF, 0xFF, 0xFC, 0x1D, 0x3C, 0x00,
  0xFE, 0xFF, 0x01, 0x0F, 0xF0, 0x00, 0x1E, 0xC0, 0x3F, 0xEC, 0x0F, 0x00,
  0xFC, 0x0D, 0x3F, 0x00, 0xFF, 0xFF, 0x01, 0x0F, 0xF0, 0x00, 0x1F, 0xC0,
  0xFF, 0xE8, 0x0F, 0x00, 0xFC, 0xC5, 0x3F, 0x00, 0x0F, 0xC0, 0x03, 0x0F,
  0xF0, 0xC0, 0x0F, 0xC0, 0xFF, 0xD9, 0x7F, 0x92, 0xFF, 0xE6, 0x3F, 0x00,
  0x0F, 0xC0, 0x03, 0x0F, 0xF0, 0xFF, 0x07, 0xC0, 0xFF, 0xD9, 0x7F, 0x92,
  0xFF, 0xE6, 0x3F, 0x80, 0x0F, 0xC0, 0x03, 0x0F, 0xF0, 0xFF, 0x03, 0xC0,
  0xFF, 0xB9, 0x7F, 0x92, 0x7F, 0xE7, 0x3F, 0x80, 0x07, 0x80, 0x07, 0x0F,
  0xF0, 0xFF, 0x01, 0xC0, 0xFF, 0x78, 0xFF, 0xFF, 0xBF, 0xC7, 0x3F, 0x80,
  0x07, 0x80, 0x07, 0x0F, 0xF0, 0x7F, 0x00, 0xC0, 0xFF, 0xFC, 0x7E, 0x92,
  0xDF, 0xCF, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0,
  0x7F, 0xFE, 0x7D, 0x92, 0xEF, 0x9F, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0xC0, 0x7F, 0xDC, 0xF3, 0xFF, 0xF3, 0x8E, 0x3F, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFF, 0xF8, 0x8F, 0x7F,
  0xFC, 0xC7, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0,
  0xFF, 0xF1, 0x7F, 0x80, 0xFF, 0xE3, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0xC0, 0xFF, 0xE3, 0xE0, 0xFF, 0xC1, 0xF1, 0x3F, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFF, 0x47, 0xC0, 0xFF,
  0x80, 0xF8, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0,
  0xFF, 0x0F, 0x8E, 0x73, 0x1C, 0xFC, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0xC0, 0xFF, 0x9F, 0x9F, 0x7F, 0x7E, 0xFE, 0x3F, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFF, 0xFF, 0x9F, 0x7F,
  0xFE, 0xFF, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0,
  0xFF, 0xFF, 0x3F, 0x00, 0xFF, 0xFF, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0xC0, 0xFF, 0xFF, 0x3F, 0x00, 0xFF, 0xFF, 0x3F, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFF, 0xFF, 0xFF, 0xFF,
  0xFF, 0xFF, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0,
  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0xC0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x10, 0x0E, 0x38, 0x1C, 0x0E, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x11, 0x44, 0x22, 0x91, 0x08, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x19, 0x40,
  0x32, 0x10, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x10, 0x15, 0x20, 0x2A, 0x08, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x13, 0x10, 0x26, 0x04, 0x08, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x08,
  0x22, 0x82, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x38, 0x8E, 0x7C, 0x1C, 0x1F, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00,
};

void setup() {
  //Serial.begin(115200);
  analogReference(INTERNAL);
  u8g2.begin();
  u8g2.drawXBMP( 0, 0, 128, 64, bitmap_logo);
  u8g2.sendBuffer();
  delay(5000);
  u8g2.clearBuffer();  // clear buffer for storing display content in RAM
}


void loop() {
  //Serial.println(analogRead(A0));

  u8g2.setColorIndex(1);  // set the color to white
  u8g2.drawRFrame(0, 0, 62, 18, 8);
  u8g2.drawRBox(0, 0, 18, 18, 8);
  u8g2.drawRFrame(0, 22, 62, 18, 8);
  u8g2.drawRBox(0, 22, 18, 18, 8);
  u8g2.drawRFrame(0, 44, 62, 18, 8);
  u8g2.drawRBox(0, 44, 18, 18, 8);
  u8g2.drawRFrame(66, 0, 62, 18, 8);
  u8g2.drawRBox(66, 0, 18, 18, 8);
  u8g2.drawRFrame(66, 22, 62, 18, 8);
  u8g2.drawRBox(66, 22, 18, 18, 8);
  u8g2.drawRFrame(66, 44, 62, 18, 8);
  u8g2.drawRBox(66, 44, 18, 18, 8);

  u8g2.setColorIndex(0);
  u8g2.setFont(u8g_font_7x14);
  u8g2.drawStr(6, 14, "1");
  u8g2.drawStr(6, 14 + 22, "2");
  u8g2.drawStr(6, 14 + 44, "3");
  u8g2.drawStr(6 + 66, 14, "4");
  u8g2.drawStr(6 + 66, 14 + 22, "5");
  u8g2.drawStr(6 + 66, 14 + 44, "6");

  u8g2.setColorIndex(1);  // set the color to white
  u8g2.setFont(u8g_font_7x14B);
  u8g2.drawStr(22, 14, "FULL ");
  u8g2.drawStr(22, 14 + 22, "3.76V");
  u8g2.drawStr(22, 14 + 44, "4.05V");
  u8g2.drawStr(22 + 66, 14, "3.44V");
  u8g2.drawStr(22 + 66, 14 + 22, "3.28V");
  u8g2.drawStr(22 + 66, 14 + 44, " N/C ");

  u8g2.sendBuffer(); // send buffer from RAM to display controller
}