# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT
"""NeoKey simpletest."""
import board
from adafruit_neokey.neokey1x4 import NeoKey1x4
import busio
# from digitalio import DigitalInOut, Direction, Pull

from usb_cdc import data

while True:
    try:
        i2c_bus = busio.I2C(scl=board.GP27, sda=board.GP26)
        # int_pin = DigitalInOut(board.GP28)
        # int_pin.direction = Direction.INPUT
        # int_pin.pull = Pull.UP

        neokey = NeoKey1x4(i2c_bus, addr=0x30)

        states=[False]*4
        data.write('R0\n'.encode('utf-8'))
        data.write('R1\n'.encode('utf-8'))
        data.write('R2\n'.encode('utf-8'))
        data.write('R3\n'.encode('utf-8'))

        while True:
            for i in range(4):
                if neokey[i] != states[i]:
                    states[i] = neokey[i]
                    data.write(f'{"P" if states[i] else "R"}{i}\n'.encode('utf-8'))

            if data.in_waiting > 7:
                cmd = data.readline().decode()
                i=int(cmd[0])
                color=int(cmd[1:7], 16)
                print(f'i:{i},c:{color}')
                neokey.pixels[i] = color

    except OSError as e :
        print(e)