LABORATORIO # 11

DESCRIPCIÓN :

Enviar desde un interfaz en processing un mensaje a una matriz LED 8x8( Desplazándose de izquierda a derecha) a través de IC MAX7219.



MATERIALES:

- Protoboard
- Arduino UNO
- Cable UTP
- Matriz Led 8x8
- Cables



DIAGRAMAS:

ESQUEMÁTICO:

FOTOS MONTAJE:

VIDEO:

CODIGO:

#include "LedControl.h"

String texto="";
/*
 Now we need a LedControl to work with.
 ***** These pin numbers will probably not work with your hardware *****
 pin 12 is connected to the DataIn
 pin 11 is connected to the CLK
 pin 10 is connected to LOAD
 We have only a single MAX72XX.
 */
LedControl lc=LedControl(12,11,10,1);


/* we always wait a bit between updates of the display */
unsigned long delaytime=100;

void setup() {
  Serial.begin(9600);
  /*
   The MAX72XX is in power-saving mode on startup,
   we have to do a wakeup call
   */
  lc.shutdown(0,false);
  /* Set the brightness to a medium values */
  lc.setIntensity(0,8);
  /* and clear the display */
  lc.clearDisplay(0);
}
char abcMAY[36]={'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z','1','2', '3', '4', '5', '6', '7', '8', '9', '0'};
char abcMIN[36]={'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z','1','2', '3', '4', '5', '6', '7', '8', '9', '0'};
byte letras[36][5]= {

  {B11111110,B00010001,B00010001,B00010001,B11111110},//A
  {0xFF, 0x89, 0x89, 0x89, 0x76},//B
  {B01111110,B10000001,B10000001,B10000001,B01000110},//C
  {0xff, 0x81, 0x81, 0x81, 0x7e},//D
  {0x7e, 0x89, 0x89, 0x89, 0x89},//E
  {0xff, 0x09, 0x09, 0x09, 0x01},//F
  {0x7e, 0x89, 0x89, 0x89, 0xf2},//G
  {0xFF, 0x18, 0x18, 0x18,0xff},//H
  {B00000000,B10000100,B11111101,B10000000,B00000000},//I
  {0x71, 0x81, 0x7f, 0x01, 0x01},//J
  {0xff, 0x10, 0x2c, 0x42, 0x81},//K
  {0x7f, 0xc0, 0x80,0x80, 0x80},//L
  {0xff, 0x06, 0x0c, 0x06, 0xff},//M
  {B11111111,B00000100,B00001000,B00010000,B11111111}, //N
  {B01111110,B10000001,B10000001,B10000001,B01111110},//O
  {0xff, 0x09, 0x09, 0x09, 0x06},//P
  {0xbe, 0x41,0xA1, 0x81, 0x7e},//Q
  {B11111111,B00010001,B00110001,B01010001,B10001110},//R
  {0x86, 0x89, 0x89, 0x89, 0x71},//S
  {0x01, 0x01, 0xff, 0x01, 0x01},//T
  {B01111111,B11000000,B11000000,B11000000,B01111111},//U
  {0x3f, 0x40, 0x80, 0x40, 0x3f},//V
  {0x7f, 0x80, 0x70, 0x80, 0x7f},//W
  {0xe3, 0x14, 0x08, 0x14, 0xe3},//X
  {0x03, 0x04, 0xf8, 0x04, 0x03},//Y
  {0xe1, 0x91, 0x89, 0x85, 0x83 }//Z

  ,{0x00, 0x82, 0xff, 0x80,0x00},//1
  {0xc2, 0xa1, 0x91, 0x89, 0x86},//2
  {0x81,0x81,0x85,0x8b,0x71},//3
  {0x18,0x14, 0x12, 0xff, 0x00},//4
  {0x8f, 0x89, 0x89, 0x89, 0x71},//5
  {0x7c, 0x8a, 0x89, 0x89, 0x70},//6
  {0x01, 0xf1, 0x09,0x05, 0x03},//7
  {0x76, 0x89, 0x89, 0x89, 0x76},//8
  {0x06, 0x89, 0x89, 0x89, 0x7e },//9
  {B01111110,B11100001,B10011001,B10000111,B01111110},//O
};

/*

 This method will display the characters for the
 word "Arduino" one after the other on the matrix.
 (you need at least 5x7 leds to see the whole chars)
 */
void writeArduinoOnMatrix(String mensajea) {
  /* here is the data for the characters */


 for(int j=0;j<mensajea.length();j++){
   for(int k=0;k<36;k++){
 if(mensajea.charAt(j)==abcMAY[k] || mensajea.charAt(j)==abcMIN[k]){
 palabras(letras[k]);
 }
 }
 }

}
void palabras(byte listd[]){
  for(int j=7;j>-4;j--){
 
  for(int i=4; i> -1; i--){
  lc.setRow(0,j+i,listd[i]);
  }
  delay(delaytime);
  for(int o=0; o<8 ; o++){
  lc.setRow(0,o,0);
  }
  }
}

void loop() {
  writeArduinoOnMatrix(texto);

}

void serialEvent(){
while(Serial.available()){
texto= Serial.readString();
}
}