#include <MD_MAX72xx.h>

#define	MAX_DEVICES	16
static const unsigned char bitmap_bytes[] = {
    0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0xc0, 0x00, 
    0x00, 0x00, 0xc0, 0x00, 
    0x00, 0x00, 0xc0, 0x00, 
    0x00, 0x01, 0x80, 0x00, 
    0x00, 0x02, 0x80, 0x00, 
    0x00, 0x07, 0xc0, 0x00, 
    0x00, 0x0f, 0xc0, 0x00, 
    0x00, 0x0f, 0xc0, 0x00, 
    0x00, 0x0e, 0xc0, 0x00, 
    0x00, 0x06, 0xc0, 0x00, 
    0x00, 0x03, 0xc0, 0x00, 
    0x00, 0x03, 0x80, 0x00, 
    0x00, 0x03, 0x80, 0x00, 
    0x00, 0x03, 0x80, 0x00, 
    0x00, 0x07, 0x80, 0x00, 
    0x00, 0x0c, 0xc0, 0x00, 
    0x00, 0x08, 0x40, 0x00, 
    0x00, 0x08, 0x40, 0x00, 
    0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 
    0x00, 0x10, 0x20, 0x00, 
    0x00, 0x10, 0x20, 0x00
};
const int maxX = 32;
const int maxY = 7;

#define	CLK_PIN		13
#define	DATA_PIN	11
#define	CS_PIN		10

#define VERT_PIN A0
#define HORZ_PIN A1
#define SEL_PIN  2

MD_MAX72XX mx = MD_MAX72XX(MD_MAX72XX::PAROLA_HW, CS_PIN, MAX_DEVICES);


void setup() {
  mx.begin();
  mx.control(MD_MAX72XX::INTENSITY, MAX_INTENSITY / 2);
  mx.clear();

  pinMode(VERT_PIN, INPUT);
  pinMode(HORZ_PIN, INPUT);
  pinMode(SEL_PIN, INPUT_PULLUP);
}
void led_control(int x,int y,bool z)
{
  int yy,xx;
  yy=y%8;
  xx=x+32*(y/8);
  mx.setPoint(yy,xx,z);
}
void led_control_1(int num,char z)
{
  int start_x,start_y;
  start_x=((4-num%4)-1)*8;
  start_y=num/4;
  for(int i=0;i<8;i++)
  {
    led_control(start_x+i,start_y,z&(0x01<<i));
  }
}
// the loop function runs over and over again forever
void loop() {
  for(int i=0;i<128;i++)
  {
    led_control_1(i,bitmap_bytes[i]);
    // led_control(15,15,true);
  }
  mx.update();
  delay(100);
}