/*
 Show messages on an 8x8 led matrix
*/
#include "LedControl.h"
LedControl lc=LedControl(12,11,10,1);
// pin 12 is connected to the MAX7219 pin 1 (DIN)[Data in]
// pin 11 is connected to the CLK pin 13 (CLK)[clock]
// pin 10 is connected to LOAD pin 12 (CS)
// 1 as we are only using 1 MAX7219
#define A { \
 {0, 0, 0, 1, 1, 0, 0, 0}, \
 {0, 0, 1, 1, 1, 1, 0, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 1, 1, 1, 1, 0}, \
 {0, 1, 1, 1, 1, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}  \
}
#define R { \
 {0, 1, 1, 1, 1, 1, 0, 0}, \
 {0, 1, 1, 1, 1, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 1, 1, 1, 0, 0}, \
 {0, 1, 1, 1, 1, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}  \
}
#define D { \
 {0, 1, 1, 1, 1, 1, 0, 0}, \
 {0, 1, 1, 1, 1, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 1, 1, 1, 1, 0}, \
 {0, 1, 1, 1, 1, 1, 0, 0}  \
}
#define U { \
{0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 1, 1, 1, 1, 0}, \
 {0, 0, 1, 1, 1, 1, 0, 0}  \
}
#define I { \
 {0, 0, 1, 1, 1, 1, 0, 0}, \
 {0, 0, 1, 1, 1, 1, 0, 0}, \
 {0, 0, 0, 1, 1, 0, 0, 0}, \
 {0, 0, 0, 1, 1, 0, 0, 0}, \
 {0, 0, 0, 1, 1, 0, 0, 0}, \
 {0, 0, 0, 1, 1, 0, 0, 0}, \
 {0, 0, 1, 1, 1, 1, 0, 0}, \
 {0, 0, 1, 1, 1, 1, 0, 0}  \
}
#define N { \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 1, 0, 1, 1, 0}, \
 {0, 1, 1, 1, 0, 1, 1, 0}, \
 {0, 1, 1, 1, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 1, 1, 1, 0}, \
 {0, 1, 1, 0, 1, 1, 1, 0}, \
 {0, 1, 1, 0, 1, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}  \
}
#define O { \
 {0, 0, 0, 1, 1, 0, 0, 0}, \
 {0, 0, 1, 1, 1, 1, 0, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 1, 1, 0, 0, 1, 1, 0}, \
 {0, 0, 1, 1, 1, 1, 0, 0}, \
 {0, 0, 0, 1, 1, 0, 0, 0}  \
}
#define SPACE { \
 {0, 0, 0, 0, 0, 0, 0, 0}, \
 {0, 0, 0, 0, 0, 0, 0, 0}, \
 {0, 0, 0, 0, 0, 0, 0, 0}, \
 {0, 0, 0, 0, 0, 0, 0, 0}, \
 {0, 0, 0, 0, 0, 0, 0, 0}, \
 {0, 0, 0, 0, 0, 0, 0, 0}, \
 {0, 0, 0, 0, 0, 0, 0, 0}, \
 {0, 0, 0, 0, 0, 0, 0, 0}  \
}
const int numPatterns = 8;
byte patterns[numPatterns][8][8] = {
 A,R,D,U,I,N,O,SPACE
};
int pattern = 0;
void setup()
{
 // the zero refers to the MAX7219 number, it is zero for 1 chip
 lc.shutdown(0,false);// turn off power saving, enables display
 lc.setIntensity(0,8);// sets brightness (0~15 possible values)
 lc.clearDisplay(0);// clear screen
}
void loop()
{
 if(pattern>=numPatterns){
 pattern = 0;
 }
 setPattern(pattern);
 pattern++;
 delay(1000);
}
void setPattern(int pattern) {
 for (int i = 0; i < 8; i++) {
 for (int j = 0; j < 8; j++) {
 if (patterns[pattern][i][j] == 1) {
 lc.setLed(0,i,j,true);
 } else {
 lc.setLed(0,i,j,false);
  }

 }
 }
}