//int col[6]={18,5,17,16,4,0};
//int row[4] {23,22,21,19};
//int num_col[6] = {0,0,1,0,0,0};
//int num_row[4] = {0,0,0,0};
#include "stdio.h"
int col1[3]={5,17,16};
int col2[3]={32,33,25};
int col3[3]={23,22,15};
int col4[3]={21,19,18};
int col5[3]={4,0,2};


int rowcnt = 0;
char temp ;
int num[][3] = {

  {0,1,0},
  {1,0,1},
  {1,0,1},
  {1,0,1},
  {0,1,0},

  {0,0,1},
  {0,0,1},
  {0,0,1},
  {0,0,1},
  {0,0,1},

  {1,1,1},
  {0,0,1},
  {1,1,1},
  {1,0,0},
  {1,1,1},

  {1,1,1},
  {0,0,1},
  {1,1,1},
  {0,0,1},
  {1,1,1},

  {0,1,1},
  {1,0,1},
  {1,1,1},
  {0,0,1},
  {0,0,1},

  {1,1,1},
  {1,0,0},
  {1,1,1},
  {0,0,1},
  {1,1,1},

  {0,1,1},
  {1,0,0},
  {1,1,1},
  {1,0,1},
  {1,1,1},

  {1,1,1},
  {0,0,1},
  {0,0,1},
  {0,1,0},
  {1,0,0},

  {1,1,1},
  {1,0,1},
  {1,1,1},
  {1,0,1},
  {1,1,1},
  
  {1,1,1},
  {1,0,1},
  {1,1,1},
  {0,0,1},
  {0,1,1}
};

int alpha[][3] = {

  {0,1,0},
  {1,0,1},
  {1,1,1},
  {1,0,1},
  {1,0,1},

  {1,1,0},
  {1,0,1},
  {1,1,1},
  {1,0,1},
  {1,1,0},
   
  {0,1,1},
  {1,0,0},
  {1,0,0},
  {1,0,0},
  {0,1,1}, 

  {1,1,0},
  {1,0,1},
  {1,0,1},
  {1,0,1},
  {1,1,0},

  {1,1,1},
  {1,0,0},
  {1,1,1},
  {1,0,0},
  {1,1,1},

  {1,1,1},
  {1,0,0},
  {1,1,1},
  {1,0,0},
  {1,0,0},

  {1,1,1},
  {1,0,0},
  {1,0,0},
  {1,0,1},
  {1,1,1},

  {1,0,1},
  {1,0,1},
  {1,1,1},
  {1,0,1},
  {1,0,1},

  {1,1,1},
  {0,1,0},
  {0,1,0},
  {0,1,0},
  {1,1,1},


};

void setup() {

  for(int i = 0; i<3; i++)
  {
    pinMode(col1[i], OUTPUT);
    pinMode(col2[i], OUTPUT);
    pinMode(col3[i], OUTPUT);
    pinMode(col4[i], OUTPUT);
    pinMode(col5[i], OUTPUT);
  }
  //setting layers to output
  
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  
  turnEverythingOff();
 
}

void loop() {
  // put your main code here, to run repeatedly:
  
   if(rowcnt < 10)
   {

      disp(num,rowcnt);
      Serial.println(rowcnt);
      rowcnt++;
  
   }
   else if ( rowcnt< 19){
    
      disp(alpha,rowcnt-10);
      temp = ('A'+rowcnt-10);
      Serial.println(temp);
 
      rowcnt++;

   }
   else{

       rowcnt = 0;
   }
  
  delay(3000); 
  
  // this speeds up the simulation
  

}

void turnEverythingOff()
 {
  for(int i = 0; i<3; i++)
  {
    digitalWrite(col1[i], 0);
    digitalWrite(col2[i], 0);
    digitalWrite(col3[i], 0);
    digitalWrite(col4[i], 0);
    digitalWrite(col5[i], 0);
  }

 }
 
void turnEverythingOn()
{
  for(int i = 0; i<3; i++)
  {
    digitalWrite(col1[i], 1);
    digitalWrite(col2[i], 1);
    digitalWrite(col3[i], 1);
    digitalWrite(col4[i], 1);
    digitalWrite(col5[i], 1);
  }
 
}

void disp(int val[][3],int pos)
{
  for(int i = 0; i<3; i++)
  {
    digitalWrite(col1[i], val[pos*5][i]);
    digitalWrite(col2[i], val[pos*5+1][i]);
    digitalWrite(col3[i], val[pos*5+2][i]);
    digitalWrite(col4[i], val[pos*5+3][i]);
    digitalWrite(col5[i], val[pos*5+4][i]);
  }
  
  //turning on layers
  /*
  for(int i = 0; i<4; i++)
  {
    digitalWrite(row[i], num_row[i]);
  }
*/
}