#include <Wire.h>
#include <U8g2lib.h>
#include <Arduino.h>

U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset= */ U8X8_PIN_NONE);

static const unsigned char image_Volup_8x6_bits[] U8X8_PROGMEM = {0x48, 0x8c, 0xaf, 0xaf, 0x8c, 0x48};
static const unsigned char image_Lock_8x8_bits[] U8X8_PROGMEM = {0x3c, 0x42, 0x42, 0xff, 0xff, 0xe7, 0xff, 0xff};
static const unsigned char image_Bluetooth_Idle_5x8_bits[] U8X8_PROGMEM = {0x04, 0x0d, 0x16, 0x0c, 0x0c, 0x16, 0x0d, 0x04};
static const unsigned char image_Alert_9x8_bits[] U8X8_PROGMEM = {0x10, 0x00, 0x38, 0x00, 0x28, 0x00, 0x6c, 0x00, 0x6c, 0x00, 0xfe, 0x00, 0xee, 0x00, 0xff, 0x01};
// https://javl.github.io/image2cpp/


int progress = 0;
char buffer[32];
int buf[2] = {0x00,0x00};

void setup() {
  // put your setup code here, to run once:

  u8g2.begin();  // start the u8g2 library
  u8g2.enableUTF8Print();

}

void loop() {
  // put your main code here, to run repeatedly:

  buf[0] = 51;
  buf[1] = 12;

  u8g2.clearBuffer();
  u8g2.setBitmapMode(1);
  // u8g2.drawFrame(11, 21, 105, 17);
  // u8g2.drawBox(13, 23, progress, 13);
  u8g2.drawFrame(0, 0, 54, 14);
  //u8g2.drawBox(2, 2, progress, 6);
  u8g2.drawLine(0, 15, 126, 15);
  u8g2.drawFrame(0, 0, 128, 64);
  // u8g2.drawXBMP( 117, 2, 8, 6, image_Volup_8x6_bits);
  // u8g2.drawXBMP( 95, 1, 8, 8, image_Lock_8x8_bits);
  //u8g2.drawXBMP( 108, 1, 5, 8, image_Bluetooth_Idle_5x8_bits);
  //u8g2.drawXBMP( 22, 42, 9, 8, image_Alert_9x8_bits);


  u8g2.drawBox(2, 2, (buf[0]/2), 10); // 배터리 게이지

  u8g2.setFont(u8g2_font_helvR14_tr);
  sprintf(buffer, "%d%%", buf[0]); // 배터리 %
  u8g2.drawStr(58, 14, buffer);

  // u8g2.setFont(u8g2_font_7_Seg_41x21_mn);
  // sprintf(buffer,"%.2d", buf[0]); // 속도
  // u8g2.drawStr(30, 25, buffer);

  u8g2.setFont(u8g2_font_inb53_mn);
  sprintf(buffer,"%.2d", buf[0]); // 속도
  u8g2.drawStr(30, 64, buffer);

  u8g2.setFont(u8g2_font_helvB08_tr);
  sprintf(buffer,"Km/h");
  u8g2.drawStr(72, 64, buffer);


  //u8g2.setFont(u8g2_font_helvB08_tr);
  //sprintf(buffer, "%d%%", buf[0]); // 배터리 %
  //u8g2.drawStr(58, 9, buffer);

  //u8g2.setFont(u8g2_font_7_Seg_33x19_mn);
  //sprintf(buffer,"%.2d", buf[0]); // 속도
  //u8g2.drawStr(0, 17, buffer);

  // u8g2.setFont(u8g2_font_7Segments_26x42_mn);
  // sprintf(buffer,"%.2d", buf[0]); // 속도
  // u8g2.drawStr(0, 64, buffer);





//  u8g2.setFont(u8g2_font_7Segments_26x42_mn);


   //u8g2.setFont(u8g2_font_unifont_tf);
   u8g2.setFont(u8g2_font_open_iconic_arrow_2x_t);
   //u8g2.setFont(u8g2_font_unifont_t_0_72_73);
   sprintf(buffer, "\u0053"); // 배터리 %
   u8g2.drawStr(113, 64, buffer);

   sprintf(buffer, "\u0053"); // 배터리 %
   u8g2.drawStr(113, 64-10, buffer);

   sprintf(buffer, "\u0053"); // 배터리 %
   u8g2.drawStr(113, 64-20, buffer);

  // // https://github.com/olikraus/u8g2/wiki/fntgrpu8g#battery24
  //  u8g2.setFont(u8g2_font_battery19_tn);
  //  sprintf(buffer, "\u0035"); // 배터리 %
  //   u8g2.drawStr(95, 50, buffer);

  // // https://github.com/olikraus/u8g2/wiki/fntgrpu8g#battery24
  u8g2.setFont(u8g2_font_battery24_tr);
  // //u8g2.setCursor(70,20);
  // //u8g2.drawGlyph(70,20,52);
  // sprintf(buffer, "\u0034"); // 배터리 %
  // u8g2.drawStr(70, 50, buffer);
  sprintf(buffer, "\u0033"); // 배터리 %
  u8g2.drawStr(0, 64, buffer);


  u8g2.sendBuffer();
  delay(200);

}