testing nokia 5110 LCD screen with u8x8 library at altLab

nokia5110-lcd-demo.ino

// Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) is Copyright of olikraus@gmail.com 
// https://github.com/olikraus/u8g2/wiki/u8x8reference

#include <Arduino.h>
#include <U8x8lib.h>

#ifdef U8X8_HAVE_HW_SPI
#include <SPI.h>
#endif

U8X8_PCD8544_84X48_4W_SW_SPI u8x8(/* clock=*/ 13, /* data=*/ 11, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);	// Nokia 5110 Display

  int y = 0;
  int x = 0;
  
void setup(void)
{
  u8x8.begin();
  u8x8.setPowerSave(0);
  u8x8.setContrast(100); 
}

void loop(void)
{
  u8x8.setFont(u8x8_font_amstrad_cpc_extended_r);
  
  u8x8.setInverseFont(0);
  u8x8.drawString(x,y,"altLab");
  
  u8x8.setInverseFont(1);
  u8x8.drawString(x+2,y+1,"World");
  
  u8x8.setCursor(0, 4);
  u8x8.print("X:");
  u8x8.setCursor(3, 4);
  u8x8.print(x);
  
  u8x8.setCursor(0, 5);
  u8x8.print("Y:");
  u8x8.setCursor(3, 5);
  u8x8.print(y);

  x=x+1;
  if(x>13){x=-13;y=y+1;}
  if(y>5){y=0;}
  
  delay(250);
  u8x8.clear();
}