// For: https://forum.arduino.cc/t/works-perfectly-on-uno-but-garbage-on-nano/1061689
//
//


#include "LedControl.h"
#include "lcd.h" 

uint8_t DIN = 11;
uint8_t CS = 9;
uint8_t CLK = 13;

#define NUMBER_OF_MATRIX_ARRAYS 36

LedControl lc=LedControl(CS, NUMBER_OF_MATRIX_ARRAYS);


/**********************************************************************/
void setup() {
  Serial.begin(115200);
  
  for (uint8_t i = 0; i < NUMBER_OF_MATRIX_ARRAYS; i++) {
    lc.shutdown(i, false);
    lc.setIntensity(i, 0);
    lc.clearDisplay(i);
  }
}



/**********************************************************************/
void PrintChar(uint8_t DisplayNumber, char s) {
  char inArray[8];

  for (uint8_t i=0; i<8; i++)
    inArray[i] =  pgm_read_byte(&font8x8[s][i]);
 
  for(uint8_t i = 0; i < 8; i++) {
   lc.setRow (DisplayNumber, i, inArray[i]);
  }

}


/*************************************************************************/
void loop() {
  char DataString[] = "00ABCDEFGHIJKLMNOPQRSTUVWXZ012345678";
  char ClearString[] = "                                    ";
  
  for (uint8_t j = 0; j < NUMBER_OF_MATRIX_ARRAYS; j++) 
     PrintChar(j , DataString[j]);

  delay(500);

  for (uint8_t j = 0; j < NUMBER_OF_MATRIX_ARRAYS; j++) 
     PrintChar(j , ClearString[j]);
  
  delay(500);

}