#include <DMD32.h> 
#include <fonts/SystemFont5x7.h>
#include <fonts/Arial_Black_16_ISO_8859_1.h>

//Fire up the DMD library as dmd
#define DISPLAYS_ACROSS 1
#define DISPLAYS_DOWN 1
#define LED_BUILTIN 2
static const int spiClk = 1000000;  // 1 MHz


DMD dmd(DISPLAYS_ACROSS, DISPLAYS_DOWN);

   //Timer setup
  //create a hardware timer  of ESP32
hw_timer_t * timer = NULL;
SPIClass *vspi = NULL;


void IRAM_ATTR triggerScan()
{
  dmd.scanDisplayBySPI();
}

// void spiCommand(SPIClass *spi, byte data) {
//   //use it as you would the regular arduino SPI API
//   spi->beginTransaction(SPISettings(spiClk, MSBFIRST, SPI_MODE0));
//   spi->transfer(data);
//   spi->endTransaction();
// }

void setup(void)
{
  
  vspi = new SPIClass(VSPI);
  vspi->begin();

  pinMode(PIN_DMD_A, OUTPUT);  
  digitalWrite(PIN_DMD_A, HIGH);
  pinMode(PIN_OTHER_SPI_nCS, OUTPUT);  //VSPI SS
  digitalWrite(PIN_OTHER_SPI_nCS,HIGH);

  timer = timerBegin(1000000);
  timerAttachInterrupt(timer,&triggerScan);
  timerAlarm(timer,300,true,0);
   //clear/init the DMD pixels held in RAM
  dmd.clearScreen( false );   //true is normal (all pixels off), false is negative (all pixels on)
  Serial.begin(115200);
}

void loop(void)
{
  //  dmd.clearScreen( false );
  //  delay(500);
  //  dmd.clearScreen( true );
  //  delay(500);

  dmd.selectFont(Arial_Black_16_ISO_8859_1);
  // Français, Österreich, Magyarország
  const char *MSG = "anakkendali.com";
  dmd.drawMarquee(MSG,strlen(MSG),(32*DISPLAYS_ACROSS)-1,0);
  long start=millis();
  long timer=start;
  while(1){
    if ((timer+30) < millis()) {
      dmd.stepMarquee(-1,0);
      timer=millis();
    }
  }
}