"""
Sending data to Adafruit IO and receiving it.
"""
import board
import busio
from digitalio import DigitalInOut
import time

from adafruit_epd.epd import Adafruit_EPD
from adafruit_epd.ssd1608 import Adafruit_SSD1608  # pylint: disable=unused-import

backcolor = Adafruit_EPD.WHITE
forecolor = Adafruit_EPD.BLACK

# create the spi device and pins we will need
spi = busio.SPI(board.D12, MOSI=board.D13, MISO=board.D10)
ecs = DigitalInOut(board.D8)
dc = DigitalInOut(board.D7)
srcs = DigitalInOut(board.D6)    # can be None to use internal memory
rst = DigitalInOut(board.D9)    # can be None to not use this pin
busy = DigitalInOut(board.D5)   # can be None to not use this pin

# give them all to our driver
display = Adafruit_SSD1608(200, 200, spi,        # 1.54" HD mono display
                          cs_pin=ecs, dc_pin=dc, sramcs_pin=srcs,
                          rst_pin=rst, busy_pin=busy)
display.rotation = 1

# clear the buffer
print("Clear buffer")
display.fill(backcolor)
display.display()
time.sleep(5)

print("show fill_rect")
display.fill_rect(10,10,100,100,forecolor)
display.display()
time.sleep(5)

print("Clear buffer again")
display.fill(backcolor)
display.display()
time.sleep(5)