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This adds support for the TI LP5562 RGB LED driver. Things to note: - The driver is initialized in simple PWM mode using its internal clock, for R,G,B, but not for W(hite). - The chip doesn't have a WHO_AM_I or DEVICE_ID register to check. Instead we read the W_CURRENT register that we're generally not using and therefore doesn't get changed. - The current is left at the default 17.5 mA but could be changed using the command line argument. Datasheet: https://www.ti.com/lit/ds/symlink/lp5562.pdf Signed-off-by: Julian Oes <julian@oes.ch>
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############################################################################ | ||
# | ||
# Copyright (c) 2023 PX4 Development Team. All rights reserved. | ||
# | ||
# Redistribution and use in source and binary forms, with or without | ||
# modification, are permitted provided that the following conditions | ||
# are met: | ||
# | ||
# 1. Redistributions of source code must retain the above copyright | ||
# notice, this list of conditions and the following disclaimer. | ||
# 2. Redistributions in binary form must reproduce the above copyright | ||
# notice, this list of conditions and the following disclaimer in | ||
# the documentation and/or other materials provided with the | ||
# distribution. | ||
# 3. Neither the name PX4 nor the names of its contributors may be | ||
# used to endorse or promote products derived from this software | ||
# without specific prior written permission. | ||
# | ||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | ||
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | ||
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | ||
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS | ||
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | ||
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | ||
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
# POSSIBILITY OF SUCH DAMAGE. | ||
# | ||
############################################################################ | ||
|
||
px4_add_module( | ||
MODULE drivers__rgbled_lp5562 | ||
MAIN rgbled_lp5562 | ||
SRCS | ||
rgbled_lp5562.cpp | ||
DEPENDS | ||
drivers__device | ||
led | ||
) |
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menuconfig DRIVERS_LIGHTS_RGBLED_LP5562 | ||
bool "rgbled lp5562" | ||
default n | ||
---help--- | ||
Enable support for RGBLED LP5562 driver |
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