import machine
import neopixel
import time

# Configuración de los pines y número de LEDs
pin = machine.Pin(21)
NUMERO_PIXELES = 256   # Suponiendo una matriz de 16x16 LEDs (256 LEDs en total)
MATRIX_WIDTH = 16      # Ancho de la matriz
MATRIX_HEIGHT = 16     # Alto de la matriz


tira = neopixel.NeoPixel(pin, NUMERO_PIXELES)


class Colores:
    def __init__(self):
        self.rojo = (255, 0, 0)
        self.apagado = (0, 0, 0)


colores = Colores()

letras_ascii = {
    'A': [
        [0, 1, 1, 1, 0],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 1, 1, 1, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
    ],
    'B': [
        [1, 1, 1, 1, 0],
        [1, 0, 0, 0, 1],
        [1, 1, 1, 1, 0],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 1, 1, 1, 0],
    ],
    'C': [
        [0, 1, 1, 1, 0],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 1],
        [0, 1, 1, 1, 0],
    ],
    'D': [
        [1, 1, 1, 0, 0],
        [1, 0, 0, 1, 0],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 1, 0],
        [1, 1, 1, 0, 0],
    ],
    'E': [
        [1, 1, 1, 1, 1],
        [1, 0, 0, 0, 0],
        [1, 1, 1, 1, 0],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
        [1, 1, 1, 1, 1],
    ],
    'F': [
        [1, 1, 1, 1, 1],
        [1, 0, 0, 0, 0],
        [1, 1, 1, 1, 0],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
    ],
    'G': [
        [0, 1, 1, 1, 0],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 0],
        [1, 0, 1, 1, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [0, 1, 1, 1, 0],
    ],
    'H': [
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 1, 1, 1, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
    ],
    'I': [
        [1, 1, 1, 1, 1],
        [0, 0, 1, 0, 0],
        [0, 0, 1, 0, 0],
        [0, 0, 1, 0, 0],
        [0, 0, 1, 0, 0],
        [0, 0, 1, 0, 0],
        [1, 1, 1, 1, 1],
    ],
    'J': [
        [0, 0, 0, 0, 1],
        [0, 0, 0, 0, 1],
        [0, 0, 0, 0, 1],
        [0, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [0, 1, 1, 1, 0],
    ],
    'K': [
        [1, 0, 0, 0, 1],
        [1, 0, 0, 1, 0],
        [1, 0, 1, 0, 0],
        [1, 1, 0, 0, 0],
        [1, 0, 1, 0, 0],
        [1, 0, 0, 1, 0],
        [1, 0, 0, 0, 1],
    ],
    'L': [
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
        [1, 1, 1, 1, 1],
    ],
    'M': [
        [1, 0, 0, 0, 1],
        [1, 1, 0, 1, 1],
        [1, 0, 1, 0, 1],
        [1, 0, 1, 0, 1],
        [1, 0, 1, 0, 1],
        [1, 0, 1, 0, 1],
        [1, 0, 1, 0, 1],
    ],
    'N': [
        [1, 0, 0, 0, 1],
        [1, 1, 0, 0, 1],
        [1, 0, 1, 0, 1],
        [1, 0, 0, 1, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
    ],
    'O': [
        [0, 1, 1, 1, 0],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [0, 1, 1, 1, 0],
    ],
    'P': [
        [1, 1, 1, 1, 0],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 1, 1, 1, 0],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
        [1, 0, 0, 0, 0],
    ],
    'Q': [
        [0, 1, 1, 1, 0],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 1, 0, 1],
        [1, 0, 0, 1, 0],
        [0, 1, 1, 0, 1],
    ],
    'R': [
        [1, 1, 1, 1, 0],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 1, 1, 1, 0],
        [1, 0, 1, 0, 0],
        [1, 0, 0, 1, 0],
        [1, 0, 0, 0, 1],
    ],
    'S': [
        [0, 1, 1, 1, 0],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 0],
        [0, 1, 1, 1, 0],
        [0, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [0, 1, 1, 1, 0],
    ],
    'T': [
        [1, 1, 1, 1, 1],
        [0, 0, 1, 0, 0],
        [0, 0, 1, 0, 0],
        [0, 0, 1, 0, 0],
        [0, 0, 1, 0, 0],
        [0, 0, 1, 0, 0],
        [0, 0, 1, 0, 0],
    ],
    'U': [
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [0, 1, 1, 1, 0],
    ],
    'V': [
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [0, 1, 0, 1, 0],
        [0, 0, 1, 0, 0],
    ],
    'W': [
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [1, 0, 1, 0, 1],
        [1, 0, 1, 0, 1],
        [1, 0, 1, 0, 1],
        [1, 1, 0, 1, 1],
        [1, 0, 0, 0, 1],
    ],
    'X': [
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
        [0, 1, 0, 1, 0],
        [0, 0, 1, 0, 0],
        [0, 1, 0, 1, 0],
        [1, 0, 0, 0, 1],
        [1, 0, 0, 0, 1],
    ],
    'Y': [
        [1, 0, 0, 0, 1],
        [0, 1, 0, 1, 0],
        [0, 0, 1, 0, 0],
        [0, 0, 1, 0, 0],
        [0, 0, 1, 0, 0],
        [0, 0, 1, 0, 0],
        [0, 0, 1, 0, 0],
    ],
    'Z': [
        [1, 1, 1, 1, 1],
        [0, 0, 0, 0, 1],
        [0, 0, 0, 1, 0],
        [0, 0, 1, 0, 0],
        [0, 1, 0, 0, 0],
        [1, 0, 0, 0, 0],
        [1, 1, 1, 1, 1],
    ]
}


def get_led_index(x, y):
    """Calcula el índice de un LED en una matriz en serpentina."""
    if y % 2 == 0:  # Si la fila es par, los LEDs van de izquierda a derecha
        return y * MATRIX_WIDTH + x
    else:  # Si la fila es impar, los LEDs van de derecha a izquierda
        return y * MATRIX_WIDTH + (MATRIX_WIDTH - 1 - x)

def imprimir_letra(letra, x_inicio, y_inicio, color):
    """Imprime una letra en la posición especificada."""
    letra_matriz = letras_ascii.get(letra.upper(), None)
    if letra_matriz is None:
        print(f"La letra {letra} no está definida.")
        return

    for y, fila in enumerate(letra_matriz):
        for x, valor in enumerate(fila):
            x_real = x_inicio + x
            y_real = y_inicio + y
            if 0 <= x_real < MATRIX_WIDTH and 0 <= y_real < MATRIX_HEIGHT:
                led_index = get_led_index(x_real, y_real)
                if valor == 1:
                    tira[led_index] = color  # Enciende el LED con el color especificado
                else:
                    tira[led_index] = colores.apagado  # Apaga el LED

    tira.write()

def imprimir_mensaje(mensaje, x_inicio, y_inicio, color, velocidad=0.5):
    """Imprime un mensaje letra por letra."""
    for letra in mensaje:
        imprimir_letra(letra, x_inicio, y_inicio, color)
        time.sleep(velocidad)
        limpiar_matriz()

def limpiar_matriz():
    """Apaga todos los LEDs."""
    for i in range(NUMERO_PIXELES):
        tira[i] = colores.apagado
    tira.write()

# Bucle principal
while True:
   imprimir_mensaje("ABCDEFGHIJKLMNOPQRSTUVXYZ", 1, 1, colores.rojo, 0.5)