timer

#include <SPI.h>
#include <bitBangedSPI.h>
#include <MAX7219_Dot_Matrix.h>
#include <Wire.h>
#include "RTClib.h"
#define Y now.year()
#define M now.month()
#define D now.day()
#define HD daysOfTheWeek[now.dayOfTheWeek()]
#define H now.hour()
#define m now.minute()
#define s now.second()
#define bHours 7
int hours=0;
const byte chips = 8;
// 12 chips (display modules), hardware SPI with load on D10
MAX7219_Dot_Matrix display (chips, 10);  // Chips / LOAD
char message [100];
char waktu [100];
char tgl [100];
/*5v Arduino —- VCC Dot Matrix
GND Arduino —- GND Dot Matrix
13 Arduino —– CLK Dot Matrix
10 Arduino —– CS Dot Matrix
11 Arduino —– DIN Dot Matrix*/

#if defined(ARDUINO_ARCH_SAMD)
// for Zero, output on USB Serial console, remove line below if using programming port to program the Zero!
   #define Serial SerialUSB
#endif
RTC_DS3231 rtc;

char daysOfTheWeek[7][12] = {"Ahad", "Senin", "Selasa", "Rabu", "Kamis", "Jumat", "Sabtu"};


void setup (){
  display.begin ();
  #ifndef ESP8266
    while (!Serial); // for Leonardo/Micro/Zero
  #endif
  Serial.begin(57600);
  if (! rtc.begin()) {
    Serial.println("Couldn’t find RTC");
    while (1);
  }
  if (rtc.lostPower()) {
    Serial.println("RTC is NOT running!");
    // following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
  }
  pinMode(bHours,INPUT_PULLUP);
} //END Set Up


unsigned long lastMoved = 0;
unsigned long MOVE_INTERVAL = 10;  // mS
unsigned long lastMoved1 = 0;
unsigned long MOVE_INTERVAL1 = 1;  // mS

int  messageOffset;
int  messageOffset1;
void updateDisplay (){
  DateTime now = rtc.now();
  sprintf (message, "Jual Pulsa");
  display.sendSmooth (message, messageOffset);

  //sprintf (tgl, "%d-%d-%d",D,M,Y); //tgl-bulan-tahun
  // next time show one pixel onwards
  if (messageOffset++ >= (int) (strlen (message) * 8))
    messageOffset = - chips * 8;
  }  // end of updateDisplay
void updateJam (){
  DateTime now = rtc.now();
  int h=now.hour();
  int stateHours = digitalRead(bHours);

  if(stateHours==LOW){
    hours=hours+1;
    h=h+1;
    Serial.println(h);
  }
  sprintf (waktu, "%d:%d:%d", h,m,s); //waktu
  if(h<10)
    sprintf (waktu, "0%d:%d:%d", h,m,s); //ubah jam

  if(m<10)
    sprintf (waktu, "%d:0%d:%d", h,m,s);
  if(s<10)
    sprintf (waktu, "%d:%d:0%d", h,m,s);

  if(m<10 && h<10 && s<10)
    sprintf (waktu, "0%d:0%d:0%d", h,m,s);
  else if(m<10 && h<10)
    sprintf (waktu, "0%d:0%d:%d", h,m,s);
  else if(m<10 && s<10)
    sprintf (waktu, "%d:0%d:0%d", h,m,s);
  else if(h<10 && s<10)
    sprintf (waktu, "0%d:%d:0%d", h,m,s);

    display.sendString(waktu);

}  // end of updateJam
int state=0;
void loop (){

  // update display if time is up
  if(millis() - lastMoved >= MOVE_INTERVAL && state==0){
    updateJam();
    //lastMoved = millis ();
    state=0;
  }else if(millis() - lastMoved >= MOVE_INTERVAL1 && state==1){
    //updateJam();
    updateDisplay ();
    lastMoved = millis();
    state=0;
  }/**/
}  // end of loop