36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
import digitalio
|
|
import busio
|
|
import board
|
|
from adafruit_epd.epd import Adafruit_EPD
|
|
from adafruit_epd.il0373 import Adafruit_IL0373
|
|
|
|
# create the spi device and pins we will need
|
|
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
|
|
ecs = digitalio.DigitalInOut(board.D10)
|
|
dc = digitalio.DigitalInOut(board.D9)
|
|
srcs = digitalio.DigitalInOut(board.D8)
|
|
rst = digitalio.DigitalInOut(board.D7)
|
|
busy = digitalio.DigitalInOut(board.D6)
|
|
|
|
# give them all to our driver
|
|
display = Adafruit_IL0373(152, 152, spi,
|
|
cs_pin=ecs, dc_pin=dc, sramcs_pin=srcs,
|
|
rst_pin=rst, busy_pin=busy)
|
|
|
|
# clear the buffer
|
|
display.fill(Adafruit_EPD.WHITE)
|
|
|
|
r_width = 5
|
|
r_pos = display.height
|
|
|
|
color = Adafruit_EPD.BLACK
|
|
while r_pos > display.height/2:
|
|
if r_pos < display.height - 50:
|
|
color = Adafruit_EPD.RED
|
|
display.rect(display.width - r_pos,
|
|
display.height - r_pos,
|
|
display.width - 2*(display.width - r_pos),
|
|
display.height - 2*(display.height - r_pos),
|
|
color)
|
|
r_pos = r_pos - r_width
|
|
display.display()
|