95 lines
3.2 KiB
Python
95 lines
3.2 KiB
Python
# The MIT License (MIT)
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#
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# Copyright (c) 2019 Scott Shawcroft for Adafruit Industries LLC
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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"""
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:py:mod:`~adafruit_ble.services.magic_light`
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====================================================
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This module provides Services available on a Magic Light, BLE RGB light bulb.
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"""
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from adafruit_ble.services import Service
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from adafruit_ble.uuid import VendorUUID
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from adafruit_ble.characteristics import Characteristic
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__version__ = "0.0.0-auto.0"
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__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_BLE_Magic_Light.git"
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class MagicLightService(Service):
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"""Service for controlling a Magic Light RGB bulb."""
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# These UUIDs actually use the standard base UUID even though they aren't standard.
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uuid = VendorUUID("0000ffe5-0000-1000-8000-00805f9b34fb")
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_control = Characteristic(
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uuid=VendorUUID("0000ffe9-0000-1000-8000-00805f9b34fb"), max_length=7
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)
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def __init__(self, service=None):
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super().__init__(service=service)
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self._color = 0xFFFFFF
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self._buf = bytearray(7)
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self._buf[0] = 0x56
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self._buf[6] = 0xAA
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self._brightness = 1.0
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def __getitem__(self, index):
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if index > 0:
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raise IndexError()
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return self._color
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def __setitem__(self, index, value):
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if index > 0:
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raise IndexError()
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if isinstance(value, int):
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r = (value >> 16) & 0xFF
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g = (value >> 8) & 0xFF
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b = value & 0xFF
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else:
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r, g, b = value
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self._buf[1] = r
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self._buf[2] = g
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self._buf[3] = b
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self._buf[4] = 0x00
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self._buf[5] = 0xF0
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self._control = self._buf
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self._color = value
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def __len__(self):
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return 1
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# Brightness doesn't preserve the color so comment it out for now. There are many other
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# characteristics to try that may.
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# @property
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# def brightness(self):
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# return self._brightness
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#
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# @brightness.setter
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# def brightness(self, value):
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# for i in range(3):
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# self._buf[i + 1] = 0x00
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# self._buf[4] = int(0xff * value)
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# self._buf[5] = 0x0f
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# self._control = self._buf
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# self._brightness = value
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