KevinMidboe/python-gpiozero
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Miscellaneous minor changes for 1.1

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Dave Jones
2016-02-08 08:26:34 +00:00
parent a498d29bb9
commit 006c10cce0
3 changed files with 25 additions and 10 deletions
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31
gpiozero/output_devices.py
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@@ -520,17 +520,22 @@ class RGBLED(SourceMixin, CompositeDevice):
The GPIO pin that controls the blue component of the RGB LED.
:param bool active_high:
If ``True`` (the default), the :meth:`on` method will set the GPIOs to
HIGH. If ``False``, the :meth:`on` method will set the GPIOs to LOW
(the :meth:`off` method always does the opposite).
Set to ``True`` (the default) for common cathode RGB LEDs. If you are
using a common anode RGB LED, set this to ``False``.
:param bool initial_value:
The initial color for the LED. Defaults to black ``(0, 0, 0)``.
"""
def __init__(self, red=None, green=None, blue=None, active_high=True):
def __init__(
self, red=None, green=None, blue=None, active_high=True,
initial_value=(0, 0, 0)):
self._leds = ()
self._blink_thread = None
if not all([red, green, blue]):
raise OutputDeviceError('red, green, and blue pins must be provided')
super(RGBLED, self).__init__()
self._leds = tuple(PWMLED(pin, active_high) for pin in (red, green, blue))
self.value = initial_value
red = _led_property(0)
green = _led_property(1)
@@ -563,18 +568,28 @@ class RGBLED(SourceMixin, CompositeDevice):
def on(self):
"""
Turn the device on. This equivalent to setting the device color to
white ``(1, 1, 1)``.
Turn the LED on. This equivalent to setting the LED color to white
``(1, 1, 1)``.
"""
self.value = (1, 1, 1)
def off(self):
"""
Turn the device off. This is equivalent to setting the device color
to black ``(0, 0, 0)``.
Turn the LED off. This is equivalent to setting the LED color to black
``(0, 0, 0)``.
"""
self.value = (0, 0, 0)
def toggle(self):
"""
Toggle the state of the device. If the device is currently off
(:attr:`value` is ``(0, 0, 0)``), this changes it to "fully" on
(:attr:`value` is ``(1, 1, 1)``). If the device has a specific color,
this method inverts the color.
"""
r, g, b = self.value
self.value = (1 - r, 1 - g, 1 - b)
def close(self):
self._stop_blink()
for led in self._leds: