Quelle  leds-el15203000.rst   Sprache: unbekannt

.. SPDX-License-Identifier: GPL-2.0

==================================
Kernel driver for Crane EL15203000
==================================

/sys/class/leds/<led>/hw_pattern
--------------------------------

Specify a hardware pattern for the EL15203000 LED.

The LEDs board supports only predefined patterns by firmware
for specific LEDs.

Breathing mode for Screen frame light tube::

    "0 4000 1 4000"

 ^
 |
    Max-|     ---
 |    /   \
 |   /     \
 |  /       \     /
 | /         \   /
    Min-|-           ---
 |
 0------4------8--> time (sec)

Cascade mode for Pipe LED::

    "1 800 2 800 4 800 8 800 16 800"

 ^
 |
  0 On -|----+                   +----+                   +---
 |    |                   |    |                   |
    Off-|    +-------------------+    +-------------------+
 |
  1 On -|    +----+                   +----+
 |    |    |                   |    |
    Off |----+    +-------------------+    +------------------
 |
  2 On -|         +----+                   +----+
 |         |    |                   |    |
    Off-|---------+    +-------------------+    +-------------
 |
  3 On -|              +----+                   +----+
 |              |    |                   |    |
    Off-|--------------+    +-------------------+    +--------
 |
  4 On -|                   +----+                   +----+
 |                   |    |                   |    |
    Off-|-------------------+    +-------------------+    +---
 |
 0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)

Inverted cascade mode for Pipe LED::

    "30 800 29 800 27 800 23 800 15 800"

 ^
 |
  0 On -|    +-------------------+    +-------------------+
 |    |                   |    |                   |
    Off-|----+                   +----+                   +---
 |
  1 On -|----+    +-------------------+    +------------------
 |    |    |                   |    |
    Off |    +----+                   +----+
 |
  2 On -|---------+    +-------------------+    +-------------
 |         |    |                   |    |
    Off-|         +----+                   +----+
 |
  3 On -|--------------+    +-------------------+    +--------
 |              |    |                   |    |
    Off-|              +----+                   +----+
 |
  4 On -|-------------------+    +-------------------+    +---
 |                   |    |                   |    |
    Off-|                   +----+                   +----+
 |
 0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)

Bounce mode for Pipe LED::

    "1 800 2 800 4 800 8 800 16 800 16 800 8 800 4 800 2 800 1 800"

 ^
 |
  0 On -|----+                                       +--------
 |    |                                       |
    Off-|    +---------------------------------------+
 |
  1 On -|    +----+                             +----+
 |    |    |                             |    |
    Off |----+    +-----------------------------+    +--------
 |
  2 On -|         +----+                   +----+
 |         |    |                   |    |
    Off-|---------+    +-------------------+    +-------------
 |
  3 On -|              +----+         +----+
 |              |    |         |    |
    Off-|--------------+    +---------+    +------------------
 |
  4 On -|                   +---------+
 |                   |         |
    Off-|-------------------+         +-----------------------
 |
 0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)

Inverted bounce mode for Pipe LED::

    "30 800 29 800 27 800 23 800 15 800 15 800 23 800 27 800 29 800 30 800"

 ^
 |
  0 On -|    +---------------------------------------+
 |    |                                       |
    Off-|----+                                       +--------
 |
  1 On -|----+    +-----------------------------+    +--------
 |    |    |                             |    |
    Off |    +----+                             +----+
 |
  2 On -|---------+    +-------------------+    +-------------
 |         |    |                   |    |
    Off-|         +----+                   +----+
 |
  3 On -|--------------+    +---------+    +------------------
 |              |    |         |    |
    Off-|              +----+         +----+
 |
  4 On -|-------------------+         +-----------------------
 |                   |         |
    Off-|                   +---------+
 |
 0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)