#include <Adafruit_I2CDevice.h>
#include <Adafruit_GFX.h>
#include <Adafruit_NeoMatrix.h>
#include <Adafruit_NeoPixel.h>
#define PIN D7 //DIN MATRIZ
String texto = "UNELECTRONICA";
String mensaje = "UNELECTRONICA";
String hora = "00:00:00";
int R = 255;
int G = 0;
int B = 0;

Adafruit_NeoMatrix matrix = Adafruit_NeoMatrix(32, 8, PIN,
                                               NEO_MATRIX_TOP + NEO_MATRIX_LEFT + NEO_MATRIX_COLUMNS + NEO_MATRIX_ZIGZAG,
                                               NEO_GRB + NEO_KHZ800);

int x = matrix.width();
int longitud = 0;
int pass = 0;


void matrix_init()
{
    matrix.begin();
    matrix.setTextWrap(false);
    matrix.setBrightness(20);
    matrix.setTextColor(matrix.Color(R, G, B));
}

void show_matrix()
{
    matrix.fillScreen(0);
    matrix.setCursor(x, 1);
    matrix.print(texto);
    matrix.setTextColor(matrix.Color(R, G, B));
    if (--x < -1 * longitud)
    {
        x = matrix.width();
        
    }
    matrix.show();
}