jacdac.led.client
Module Contents
Classes
A controller for small displays of individually controlled RGB LEDs. |
- class jacdac.led.client.LedClient(bus: jacdac.bus.Bus, role: str)
Bases:
jacdac.bus.BufferClient- A controller for small displays of individually controlled RGB LEDs.
This service handles displays with 64 or less LEDs.
Use the [LED strip service](/services/ledstrip) for longer light strips.
Implements a client for the LED service.
- property pixels Optional[bytes]
A buffer of 24bit RGB color entries for each LED, in R, G, B order. When writing, if the buffer is too short, the remaining pixels are set to #000000; if the buffer is too long, the write may be ignored, or the additional pixels may be ignored.,
- property brightness Optional[float]
Set the luminosity of the strip. At 0 the power to the strip is completely shut down., _: /
- property actual_brightness Optional[float]
This is the luminosity actually applied to the strip. May be lower than brightness if power-limited by the max_power register. It will rise slowly (few seconds) back to brightness is limits are no longer required., _: /
- property num_columns Optional[int]
(Optional) If the LED pixel strip is a matrix, specifies the number of columns., _: #
- property max_power Optional[int]
(Optional) Limit the power drawn by the light-strip (and controller)., _: mA
- property leds_per_pixel Optional[int]
(Optional) If known, specifies the number of LEDs in parallel on this device. The actual number of LEDs is num_pixels * leds_per_pixel., _: #
- property wave_length Optional[int]
(Optional) If monochrome LED, specifies the wave length of the LED. Register is missing for RGB LEDs., _: nm
- property luminous_intensity Optional[int]
(Optional) The luminous intensity of all the LEDs, at full brightness, in micro candella., _: mcd
- property variant Optional[jacdac.led.constants.LedVariant]
(Optional) Specifies the shape of the light strip.,
- _sync()
- show()
Sends the buffer information to the server