from machine import Pin, SoftSPI
from max7219 import Matrix8x8
from time import sleep_ms,sleep

sck = Pin(22,Pin.OUT)
cs  = Pin(23,Pin.OUT)
mosi= Pin(21,Pin.OUT)
miso= Pin(19,Pin.IN) #en nuestro caso no existe
spi = SoftSPI(baudrate = 1000000,polarity=0,phase=0,sck=sck,mosi=mosi,
             miso=miso)

display= Matrix8x8(spi,cs,4)
display.brightness(2)

texto= 'Co Co col'
longitud=len(texto)
longitud= (longitud*8)
display.fill(0)
display.show()
sleep(0.5)

while True:
    for j in range(32,-longitud,-1):
     display.text(texto,j,i,i)
     display.show()
     sleep(0.5)
     display.fill(0)
   

display.fill(0)
display.text('Hola',0,0,1)
display.show()
sleep_ms(2000)

'''display.fill(0)
display.text('Ene',0,0,1)
display.show()
sleep_ms(2000)

display.fill(0)
display.text('E W',-1,0,1)
display.show()
sleep_ms(2000)'''