#include <Arduino.h>
#include <U8g2lib.h>
#include <Wire.h> // library required for IIC communication

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

// the arrays below are generated from the image2cpp tool, scroll down for the actual code

// '_a_frm0,40', 16x11px
const unsigned char nav_arrow_a_frm0_40 [] PROGMEM = {
	0x00, 0x04, 0x00, 0x08, 0x00, 0x10, 0x00, 0x20, 0x00, 0x60, 0xfe, 0x7f, 0x00, 0x60, 0x00, 0x10, 
	0x00, 0x08, 0x00, 0x04, 0x00, 0x00
};
// '_a_frm1,40', 16x11px
const unsigned char nav_arrow_a_frm1_40 [] PROGMEM = {
	0x00, 0x04, 0x00, 0x08, 0x00, 0x10, 0x00, 0x20, 0x00, 0x60, 0xfe, 0x7f, 0x00, 0x60, 0x00, 0x10, 
	0x00, 0x08, 0x00, 0x04, 0x00, 0x00
};
// '_a_frm2,50', 16x11px
const unsigned char nav_arrow_a_frm2_50 [] PROGMEM = {
	0x00, 0x04, 0x00, 0x08, 0x00, 0x10, 0x00, 0x20, 0x00, 0x60, 0xfe, 0x7f, 0x00, 0x60, 0x00, 0x10, 
	0x00, 0x08, 0x00, 0x04, 0x00, 0x00
};
// '_a_frm3,40', 16x11px
const unsigned char nav_arrow_a_frm3_40 [] PROGMEM = {
	0x00, 0x04, 0x00, 0x08, 0x00, 0x10, 0x00, 0x20, 0x00, 0x60, 0xfe, 0x7f, 0x00, 0x60, 0x00, 0x10, 
	0x00, 0x08, 0x00, 0x04, 0x00, 0x00
};
// '_a_frm4,40', 16x11px
const unsigned char nav_arrow_a_frm4_40 [] PROGMEM = {
	0x00, 0x00, 0x00, 0x0c, 0x00, 0x10, 0x00, 0x60, 0x00, 0xc0, 0xfe, 0xff, 0x00, 0x40, 0x00, 0x30, 
	0x00, 0x08, 0x00, 0x04, 0x00, 0x00
};
// '_a_frm5,40', 16x11px
const unsigned char nav_arrow_a_frm5_40 [] PROGMEM = {
	0x00, 0x00, 0x00, 0x04, 0x00, 0x18, 0x00, 0x60, 0x00, 0xc0, 0xff, 0xff, 0x00, 0xc0, 0x00, 0x30, 
	0x00, 0x04, 0x00, 0x00, 0x00, 0x00
};
// '_a_frm6,40', 16x11px
const unsigned char nav_arrow_a_frm6_40 [] PROGMEM = {
	0x00, 0x00, 0x00, 0x02, 0x00, 0x06, 0x00, 0x0c, 0x00, 0x18, 0xff, 0x1f, 0x00, 0x08, 0x00, 0x04, 
	0x00, 0x02, 0x00, 0x00, 0x00, 0x00
};
// '_a_frm7,40', 16x11px
const unsigned char nav_arrow_a_frm7_40 [] PROGMEM = {
	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0xff, 0x01, 0x00, 0x01, 0x00, 0x01, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
// '_a_frm8,50', 16x11px
const unsigned char nav_arrow_a_frm8_50 [] PROGMEM = {
	0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x20, 0x00, 0x10, 0x00, 0xf8, 0x07, 0x30, 0x00, 0x60, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
// '_a_frm9,40', 16x11px
const unsigned char nav_arrow_a_frm9_40 [] PROGMEM = {
	0x00, 0x00, 0x00, 0x00, 0x38, 0x00, 0x06, 0x00, 0x03, 0x00, 0xff, 0x3f, 0x06, 0x00, 0x18, 0x00, 
	0x20, 0x00, 0x00, 0x00, 0x00, 0x00
};
// '_a_frm10,40', 16x11px
const unsigned char nav_arrow_a_frm10_40 [] PROGMEM = {
	0x00, 0x00, 0x20, 0x00, 0x18, 0x00, 0x04, 0x00, 0x03, 0x00, 0xff, 0x7f, 0x06, 0x00, 0x08, 0x00, 
	0x30, 0x00, 0x00, 0x00, 0x00, 0x00
};
// '_a_frm11,40', 16x11px
const unsigned char nav_arrow_a_frm11_40 [] PROGMEM = {
	0x20, 0x00, 0x20, 0x00, 0x18, 0x00, 0x0c, 0x00, 0x06, 0x00, 0xfe, 0x7f, 0x04, 0x00, 0x08, 0x00, 
	0x10, 0x00, 0x20, 0x00, 0x00, 0x00
};
// '_a_frm13,40', 16x11px
const unsigned char nav_arrow_a_frm13_40 [] PROGMEM = {
	0x20, 0x00, 0x20, 0x00, 0x18, 0x00, 0x0c, 0x00, 0x06, 0x00, 0xfe, 0x7f, 0x04, 0x00, 0x08, 0x00, 
	0x10, 0x00, 0x20, 0x00, 0x00, 0x00
};
// '_a_frm12,40', 16x11px
const unsigned char nav_arrow_a_frm12_40 [] PROGMEM = {
	0x20, 0x00, 0x20, 0x00, 0x18, 0x00, 0x0c, 0x00, 0x06, 0x00, 0xfe, 0x7f, 0x04, 0x00, 0x08, 0x00, 
	0x10, 0x00, 0x20, 0x00, 0x00, 0x00
};
// '_a_frm14,50', 16x11px
const unsigned char nav_arrow_a_frm14_50 [] PROGMEM = {
	0x20, 0x00, 0x20, 0x00, 0x18, 0x00, 0x0c, 0x00, 0x06, 0x00, 0xfe, 0x7f, 0x04, 0x00, 0x08, 0x00, 
	0x10, 0x00, 0x20, 0x00, 0x00, 0x00
};
// '_a_frm15,40', 16x11px
const unsigned char nav_arrow_a_frm15_40 [] PROGMEM = {
	0x20, 0x00, 0x20, 0x00, 0x18, 0x00, 0x0c, 0x00, 0x06, 0x00, 0xfe, 0x7f, 0x04, 0x00, 0x08, 0x00, 
	0x10, 0x00, 0x20, 0x00, 0x00, 0x00
};
// '_a_frm16,40', 16x11px
const unsigned char nav_arrow_a_frm16_40 [] PROGMEM = {
	0x20, 0x00, 0x20, 0x00, 0x18, 0x00, 0x0c, 0x00, 0x06, 0x00, 0xfe, 0x7f, 0x04, 0x00, 0x08, 0x00, 
	0x10, 0x00, 0x20, 0x00, 0x00, 0x00
};
// '_a_frm17,40', 16x11px
const unsigned char nav_arrow_a_frm17_40 [] PROGMEM = {
	0x20, 0x00, 0x20, 0x00, 0x18, 0x00, 0x0c, 0x00, 0x06, 0x00, 0xfe, 0x7f, 0x04, 0x00, 0x08, 0x00, 
	0x10, 0x00, 0x20, 0x00, 0x00, 0x00
};
// '_a_frm18,40', 16x11px
const unsigned char nav_arrow_a_frm18_40 [] PROGMEM = {
	0x00, 0x00, 0x20, 0x00, 0x18, 0x00, 0x04, 0x00, 0x03, 0x00, 0xff, 0x7f, 0x06, 0x00, 0x08, 0x00, 
	0x30, 0x00, 0x00, 0x00, 0x00, 0x00
};
// '_a_frm19,40', 16x11px
const unsigned char nav_arrow_a_frm19_40 [] PROGMEM = {
	0x00, 0x00, 0x00, 0x00, 0x38, 0x00, 0x06, 0x00, 0x03, 0x00, 0xff, 0x3f, 0x06, 0x00, 0x18, 0x00, 
	0x20, 0x00, 0x00, 0x00, 0x00, 0x00
};
// '_a_frm20,50', 16x11px
const unsigned char nav_arrow_a_frm20_50 [] PROGMEM = {
	0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x20, 0x00, 0x10, 0x00, 0xf8, 0x07, 0x30, 0x00, 0x60, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
// '_a_frm22,40', 16x11px
const unsigned char nav_arrow_a_frm22_40 [] PROGMEM = {
	0x00, 0x00, 0x00, 0x02, 0x00, 0x06, 0x00, 0x0c, 0x00, 0x18, 0xff, 0x1f, 0x00, 0x08, 0x00, 0x04, 
	0x00, 0x02, 0x00, 0x00, 0x00, 0x00
};
// '_a_frm21,40', 16x11px
const unsigned char nav_arrow_a_frm21_40 [] PROGMEM = {
	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0xff, 0x01, 0x00, 0x01, 0x00, 0x01, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
// '_a_frm23,40', 16x11px
const unsigned char nav_arrow_a_frm23_40 [] PROGMEM = {
	0x00, 0x00, 0x00, 0x04, 0x00, 0x18, 0x00, 0x60, 0x00, 0xc0, 0xff, 0xff, 0x00, 0xc0, 0x00, 0x30, 
	0x00, 0x04, 0x00, 0x00, 0x00, 0x00
};
// '_a_frm24,40', 16x11px
const unsigned char nav_arrow_a_frm24_40 [] PROGMEM = {
	0x00, 0x00, 0x00, 0x0c, 0x00, 0x10, 0x00, 0x60, 0x00, 0xc0, 0xfe, 0xff, 0x00, 0x40, 0x00, 0x30, 
	0x00, 0x08, 0x00, 0x04, 0x00, 0x00
};
// '_a_frm26,50', 16x11px
const unsigned char nav_arrow_a_frm26_50 [] PROGMEM = {
	0x00, 0x04, 0x00, 0x08, 0x00, 0x10, 0x00, 0x20, 0x00, 0x60, 0xfe, 0x7f, 0x00, 0x60, 0x00, 0x10, 
	0x00, 0x08, 0x00, 0x04, 0x00, 0x00
};
// '_a_frm25,40', 16x11px
const unsigned char nav_arrow_a_frm25_40 [] PROGMEM = {
	0x00, 0x04, 0x00, 0x08, 0x00, 0x10, 0x00, 0x20, 0x00, 0x60, 0xfe, 0x7f, 0x00, 0x60, 0x00, 0x10, 
	0x00, 0x08, 0x00, 0x04, 0x00, 0x00
};
// '_a_frm27,50', 16x11px
const unsigned char nav_arrow_a_frm27_50 [] PROGMEM = {
	0x00, 0x04, 0x00, 0x08, 0x00, 0x10, 0x00, 0x20, 0x00, 0x60, 0xfe, 0x7f, 0x00, 0x60, 0x00, 0x10, 
	0x00, 0x08, 0x00, 0x04, 0x00, 0x00
};

// Array of all bitmaps for convenience. (Total bytes used to store images in PROGMEM = 1344)
const int nav_arrowallArray_LEN = 28;
const unsigned char* nav_arrowallArray[28] = {
	nav_arrow_a_frm0_40,
	nav_arrow_a_frm10_40,
	nav_arrow_a_frm11_40,
	nav_arrow_a_frm12_40,
	nav_arrow_a_frm13_40,
	nav_arrow_a_frm14_50,
	nav_arrow_a_frm15_40,
	nav_arrow_a_frm16_40,
	nav_arrow_a_frm17_40,
	nav_arrow_a_frm18_40,
	nav_arrow_a_frm19_40,
	nav_arrow_a_frm1_40,
	nav_arrow_a_frm20_50,
	nav_arrow_a_frm21_40,
	nav_arrow_a_frm22_40,
	nav_arrow_a_frm23_40,
	nav_arrow_a_frm24_40,
	nav_arrow_a_frm25_40,
	nav_arrow_a_frm26_50,
	nav_arrow_a_frm27_50,
	nav_arrow_a_frm2_50,
	nav_arrow_a_frm3_40,
	nav_arrow_a_frm4_40,
	nav_arrow_a_frm5_40,
	nav_arrow_a_frm6_40,
	nav_arrow_a_frm7_40,
	nav_arrow_a_frm8_50,
	nav_arrow_a_frm9_40
};


int counter = 0; // counter for the currently displayed frame of the animation

void setup(void) {
  u8g2.begin(); // start the u8g2 library
}

void loop(void) {

  u8g2.clearBuffer();					// clear the internal memory
  u8g2.drawXBMP(39, 7, 16, 11, nav_arrowallArray[counter]); // draw frame of the animation
  u8g2.sendBuffer();					// transfer internal memory to the display

	counter = (counter + 1) % nav_arrowallArray_LEN; // increase the counter, but always go between 0-27
}