#include "U8glib.h"

U8GLIB_DOGM128 u8g(13, 11, 10, 9);		// SPI Com: SCK = 13, MOSI = 11, CS = 10, A0 = 9

int BPM=0;

void draw(void) {
  // graphic commands to redraw the complete screen should be placed here
  u8g.setFont(u8g_font_profont29);
  u8g.setPrintPos(0, 40);

  // call procedure from base class, http://arduino.cc/en/Serial/Print
  u8g.print("Puls:");
  u8g.print(BPM);
}

void setup(void) {
  u8g.setContrast(55);
}

void loop(void) {
  // picture loop
  u8g.firstPage();
  do {
    draw();
  } while( u8g.nextPage() );

  // rebuild the picture after some delay
  delay(500);
}