from machine import SPI, Pin
import max7219
from utime import sleep
spi0=SPI(0,baudrate=10000000, polarity=1, phase=0, sck=Pin(2), mosi=Pin(3))
cs = Pin(4, Pin.OUT)
matrix = max7219.Matrix8x8(spi0, cs , 1)
delay_time = 1
while True:
# Draw a single character
matrix.text('A', 0, 0, 1)
matrix.show()
sleep(delay_time)
# Draw an X in a box
matrix.fill(0)
matrix.line(0, 0, 7, 7, 1)
matrix.show()
sleep(delay_time)
matrix.line(7, 0, 0, 7, 1)
matrix.show()
sleep(delay_time)
matrix.rect(0, 0, 8, 8, 1)
matrix.show()
sleep(delay_time)
matrix.fill(0)
# Smile Face
matrix.pixel(1, 1, 1)
matrix.pixel(6, 1, 1)
matrix.pixel(0, 4, 1)
matrix.pixel(7, 4, 1)
matrix.pixel(1, 5, 1)
matrix.pixel(6, 5, 1)
matrix.pixel(2, 6, 1)
matrix.pixel(5, 6, 1)
matrix.pixel(3, 7, 1)
matrix.pixel(4, 7, 1)
matrix.show()
sleep(delay_time)
matrix.fill(0)
matrix.show()
sleep(delay_time)