#include <U8g2lib.h>
#include <Wire.h> // library requires for IIC communication
#include "gear_bitmaps.h"

U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE); // initialization for the used OLED display

// 'h_Ebene1', 50x64px
const unsigned char epd_bitmap_h_Ebene1 [] PROGMEM = {
	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, 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, 0xf0, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x80, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0xf0, 0xff, 
	0x1f, 0x00, 0x00, 0x00, 0x00, 0xf0, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0xf0, 0xff, 0x1f, 0x00, 
	0x00, 0x00, 0x00, 0xf0, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0xf0, 0xcf, 0x1f, 0x00, 0x00, 0x00, 
	0x00, 0x30, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 
	0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 
	0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x1f, 0x00, 0x00, 0x00, 
	0x00, 0xe0, 0xff, 0xff, 0x3f, 0x00, 0x00, 0x00, 0xe0, 0xff, 0xff, 0x3f, 0x00, 0x00, 0x00, 0xe0, 
	0xff, 0xff, 0x3f, 0x00, 0x00, 0x00, 0xe0, 0xff, 0xff, 0x3f, 0x00, 0x00, 0x00, 0xe0, 0xff, 0xff, 
	0x3f, 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, 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, 0x00, 0x00, 0x00, 0x00, 0x00
};




void setup() {
  // put your setup code here, to run once:
pinMode(A0, INPUT);
pinMode(A1, INPUT);
pinMode(A2, INPUT);
pinMode(A3, INPUT);
pinMode(A4, INPUT);
pinMode(A5, INPUT);


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

}


void loop() {
  // put your main code here, to run repeatedly:
int hall_0_value = analogRead(A0); // 0-1023
int hall_1_value = analogRead(A1); // 0-1023
int hall_2_value = analogRead(A2); // 0-1023
int hall_3_value = analogRead(A3); // 0-1023
int hall_4_value = analogRead(A4); // 0-1023
int hall_5_value = analogRead(A5); // 0-1023

int percentage_value_0 = round(abs(hall_0_value -512) / 5.12);
int percentage_value_1 = round(abs(hall_1_value -512) / 5.12);
int percentage_value_2 = round(abs(hall_2_value -512) / 5.12);
int percentage_value_3 = round(abs(hall_3_value -512) / 5.12);
int percentage_value_4 = round(abs(hall_4_value -512) / 5.12);
int percentage_value_5 = round(abs(hall_5_value -512) / 5.12);



u8g2.clearBuffer();					// clear the internal memory
//u8g2.drawXBMP(0, 0, 128, 64, epd_bitmap_image_to_oled); // draw fullscreen image generated by image2cpp website

u8g2.setFont(u8g2_font_pressstart2p_8u);

u8g2.setCursor(0, 20);
u8g2.print(percentage_value_0);

u8g2.setCursor(0+25, 20);
u8g2.print(percentage_value_1);

u8g2.setCursor(0+25+25, 20);
u8g2.print(percentage_value_2);



u8g2.setCursor(0, 20+25);
u8g2.print(percentage_value_3);

u8g2.setCursor(0+25, 20+25);
u8g2.print(percentage_value_4);

u8g2.setCursor(0+25+25, 20+25);
u8g2.print(percentage_value_5);

u8g2.drawXBMP( 78, 0, 50, 64, epd_bitmap_h_Ebene1);

u8g2.sendBuffer();					// transfer internal memory to the display
}