/********************************************************************************
  Project 02  : Teks Sein dan Rem
  Author      : Diaz
  Referensi   : 
  * https://simple-circuit.com/max7219-dot-matrix-scrolling-text-with-arduino/
  * https://www.circuitgeeks.com/arduino-max7219-led-matrix-display/
 /********************************************************************************/

#include <MD_Parola.h> 
#include <MD_MAX72xx.h>
#include <SPI.h>

#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW
#define MAX_DEVICES 4
#define CS_PIN 10
MD_Parola display = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);

void setup(void) 
{
  display.begin();
  display.setIntensity(3);
  display.displayClear();
  pinMode(A0, INPUT_PULLUP);
  pinMode(A1, INPUT_PULLUP);
  pinMode(A2, INPUT_PULLUP);
}

void loop(void) 
{ 
  if(digitalRead(A0)==LOW){
    display.displayClear();
    display.displayText("<< << <<", PA_LEFT, 50, 0, PA_SCROLL_LEFT, PA_NO_EFFECT);
  }
  if(digitalRead(A1)==LOW){
    display.displayClear();
    display.displayText(">> >> >>", PA_RIGHT, 50, 0, PA_SCROLL_RIGHT, PA_NO_EFFECT);
  }
  if(digitalRead(A2)==LOW){
    display.displayClear();
    display.displayText("BRAKE", PA_CENTER, 50, 250, PA_PRINT, PA_PRINT);
  }
  if (display.displayAnimate()) {    // animate the display
    display.displayReset();          // reset the current animation
  }
}