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

#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW
#define MAX_DEVICES 12
#define CLK_PIN 13
#define DATA_PIN 11
#define CS_PIN 10

MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);


void setup() {

  Serial.begin(115200);
  P.begin();

  P.setIntensity(2);
  Serial.println("Hello");

}  
  

bool runScroll = true;
bool printStop = false;


void loop() {
  static uint8_t i = 0;  // text effect index

  if (Serial.available()) {
    char inChar = Serial.read();
    if (inChar == 'S') printStop = true;
  }
  if (runScroll) {
  if (P.displayAnimate())  //   animates and returns true when an animation is completed
  {

    P.displayText("Some Scrolling Text, Send \"S\" to Stop me", PA_LEFT, 50, 0, PA_SCROLL_LEFT, PA_SCROLL_LEFT);


    P.displayReset();
  }
  }
  
  
    if (printStop) {
      runScroll = !runScroll;
      P.displayClear();
      P.displayText("ALL STOP", PA_CENTER, 0, 0, PA_PRINT, PA_NO_EFFECT);
      P.displayAnimate();
      printStop = !printStop;
    
    }
    
}