import machine
from max7219 import Max7219

spi = SPI(1, sck=machine.Pin(19), machine.Pin.OUT),
            mosi=machine.Pin(18, machine.Pin.OUT),

cs = Pin(16, Pin.OUT)
display = Max7219(32, 8, spi, cs, True)


# The following codes should be tested using the REPL:
# 1. To display a character:
display.text('A',0,0)
display.show()
# 2. To clear the display:
# display.fill(0)
# 3. To modify the default brightness:
# display.brightness(0)  # minimum brightness
display.brightness(15) # maximum brightness
# 4. To display a scrolling message:
# display.marquee('Hello world')
# ****************************************************
# Other graphic primitives:
# 5. To display a single pixel:
# display.pixel(x, y[, c])
# 6. To display a horizontal line:
# display.hline(x, y, w, col)
# 7. To display a vertical line:
# display.vline(x, y, h, col)
# 8. To display a line:
# display.line(x1, y1, x2, y2, col)
# 9. To display a rectangle:
# display.rect(x, y, w, h, col)
# 10. To display a filled rectangle:
# display.fill_rect(x, y, w, h, col)
# 11. To scroll the display:
# display.scroll(dx, dy)
# 12. To display custom character:
# display.blit(fbuf, x, y[, key])