79 lines
2 KiB
Python
79 lines
2 KiB
Python
# SPDX-FileCopyrightText: 2021 Brent Rubell for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""
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'ir_neopixel.py'.
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=================================================
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control a NeoPixel using an (NEC) IR Remote
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requires:
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- adafruit_irremote library
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- neopixel library
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"""
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import board
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import pulseio
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import neopixel
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import adafruit_irremote
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RED = [True, False, False]
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GREEN = [False, True, False]
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BLUE = [False, False, True]
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YELLOW = [True, True, False]
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CYAN = [False, True, True]
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MAGENTA = [True, False, True]
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WHITE = [True, True, True]
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BLACK = [False, False, False]
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metro_neopixel = neopixel.NeoPixel(board.NEOPIXEL, 1)
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pulsein = pulseio.PulseIn(board.D6, maxlen=120, idle_state=True)
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decoder = adafruit_irremote.GenericDecode()
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# size must match what you are decoding! for NEC use 4
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received_code = bytearray(4)
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last_code = None
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def set_neopixel_color(color):
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metro_neopixel[0] = color
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metro_neopixel.show()
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while True:
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try:
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pulses = decoder.read_pulses(pulsein)
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except MemoryError as e:
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print("Memory Error Occured: ", e)
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continue
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try:
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code = decoder.decode_bits(pulses, debug=False)
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except adafruit_irremote.IRNECRepeatException:
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print("NEC Code Repeated, doing last command")
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code = last_code
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except adafruit_irremote.IRDecodeException as e:
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print("Failed to decode: ", e)
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except MemoryError as e:
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print("Memory Error Occured: ", e)
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print(code[2])
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if code[2] == 247:
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set_neopixel_color(RED)
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elif code[2] == 119:
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set_neopixel_color(GREEN)
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elif code[2] == 183:
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set_neopixel_color(BLUE)
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elif code[2] == 215:
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set_neopixel_color(YELLOW)
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elif code[2] == 87:
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set_neopixel_color(CYAN)
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elif code[2] == 151:
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set_neopixel_color(MAGENTA)
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elif code[2] == 231:
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set_neopixel_color(WHITE)
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elif code[2] == 215:
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set_neopixel_color(BLACK)
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else:
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set_neopixel_color(BLACK)
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last_code = code
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