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RIOT/tests/driver_pca9685
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Hendrik van Essen e38e3c5db9
tests/driver_pca9685: add atmega32u4 boards to Makefile.ci 
fixed shell is too big for atmega32u4 based boards
2020-03-30 12:32:57 +02:00
..
main.c tests: app for testing PCA9685 PWMs 2019-09-12 19:13:20 +02:00
Makefile tests/driver_pca9685: remove useless BOARD_BLACKLIST 2019-11-16 14:16:27 +01:00
Makefile.ci tests/driver_pca9685: add atmega32u4 boards to Makefile.ci 2020-03-30 12:32:57 +02:00
README.md tests: app for testing PCA9685 PWMs 2019-09-12 19:13:20 +02:00

README.md

PCA9685 I2C PWM controller

Overview

This test appliation demonstrates the usage of the PCA9685 driver interface and can be used to test each PCA9685 PWM device with shell commands.

The application bases on the test application for PWM peripheral drivers which is under following copyright:

 Copyright (C) 2014-2015 Freie Universität Berlin
 @author Hauke Petersen <hauke.petersen@fu-berlin.de>
 @author Semjon Kerner <semjon.kerner@fu-berlin.de>

Usage

To use the test application, compile it with

     make -C tests/driver_pca9685 BOARD=...

Please check the default configuration parameters in $(RIOTBASE)/drivers/pca9685/include/pca9685_params.h and adopt them if necessary.

If the active LOW output enable pin /OE is used, the GPIO has to be defined as parameter, e.g.

     CFLAGS="-DPCA9685_PARAM_INT_PIN=\(GPIO\(0,6\)\)" \
     make -C tests/driver_pca9685 BOARD=...