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Andrzej Głąbek e7a075f460 drivers: pwm_nrfx: Add support for PWM_POLARITY_INVERTED flag
Add support for inverting of PWM channel outputs in the pwm_nrfx driver
by properly handling the `PWM_POLARITY_INVERTED` flag.
The dts properties that were used so far for inverting of the outputs
("nordic,invert" and "chX-inverted") are kept as they are needed for
setting of the initial polarity, i.e. for setting the inactive state
of the outputs before any PWM signal generation is requested for them.

Signed-off-by: Andrzej Głąbek <andrzej.glabek@nordicsemi.no>
2022-04-22 09:43:26 +02:00
.github ci: Update to Zephyr SDK 0.14.1 2022-04-19 09:15:06 -04:00
arch arch: common: semihost: add semihosting operations 2022-04-21 13:04:52 +02:00
boards boards: arduino_nano_33_ble: Correct assignment of P0.13 to PWM 2022-04-21 07:34:35 -05:00
cmake arch: common: dedicated SEMIHOST symbol 2022-04-21 13:04:52 +02:00
doc doc: Fix link to soc/arm/common/cortex_m/arm_mpu_regions.c 2022-04-21 18:35:16 -04:00
drivers drivers: pwm_nrfx: Add support for PWM_POLARITY_INVERTED flag 2022-04-22 09:43:26 +02:00
dts dts/bindings/clock: st-stm32(wb)-rcc: Clarify 'clock-frequency' meaning 2022-04-21 14:09:44 +02:00
include include: Update references for devicetree.h 2022-04-21 07:40:54 -05:00
kernel kernel: mutex: remove unnecessary schedule locking 2022-04-20 21:03:59 -04:00
lib shared_multi_heap: Rework framework 2022-04-21 13:15:26 +02:00
misc cmake: only write devicetree files when there are changes. 2022-02-11 15:47:09 +01:00
modules modules: zcbor: Add Kconfig options to match the zcbor ones 2022-04-20 09:50:37 +02:00
samples doc: Fix links to Zephyr include directory on Github 2022-04-21 18:35:16 -04:00
scripts scripts: gitlint: block Change-Id tags in commit message 2022-04-20 20:59:33 -04:00
share cmake: zephyr-package: add message mode 2022-03-23 13:24:41 +01:00
soc soc: arm: cc13xx_cc26xx: pinctrl: minor fix for typedef typo 2022-04-21 14:32:00 +02:00
submanifests west.yml: allow users to easily add more modules 2021-10-07 13:45:42 +02:00
subsys Bluetooth: Kconfig: Increase TX stack size for BT_CTLR && BT_LL_SW_SPLIT 2022-04-22 09:43:12 +02:00
tests tests/drivers/clock_control: stm32_common: Test HCLCK instead of SYSCLK 2022-04-21 14:09:44 +02:00
.checkpatch.conf checkpatch: Ignore IS_ENABLED_CONFIG warnings 2021-10-18 08:28:01 -04:00
.clang-format clang-format: Change lines length limit from 80 to 100 2021-05-06 08:13:32 -05:00
.codecov.yml
.editorconfig editorconfig: indent Kconfig files with tabs 2020-07-08 21:30:38 -04:00
.gitattributes gitattributes: consider SVG files generated 2021-10-14 12:42:44 -04:00
.gitignore gitignore: ignore macos DS_Store files 2021-11-03 16:14:20 -04:00
.gitlint gitlint: Stop ignoring merge, revert, fixup and squash commits 2022-01-10 08:13:36 -05:00
.mailmap mailmap: update mailmap file with some stray emails 2021-06-17 14:15:41 -04:00
.uncrustify.cfg uncrustify: force a single EOF newline 2021-11-03 16:14:20 -04:00
CMakeLists.txt pm: device: Dynamically add a device to a power domain 2022-04-18 17:25:01 -07:00
CODE_OF_CONDUCT.md coc: move to markdown format 2019-01-24 15:37:15 -05:00
CODEOWNERS CODEOWNERS: pinmux & pinctrl: update ownership 2022-04-20 13:27:47 +02:00
CONTRIBUTING.rst doc: Fixed a link in CONTRIBUTING.rst 2019-02-28 12:46:04 -08:00
Kconfig kconfig: Clean up header comments and make them consistent 2019-11-04 17:31:27 -05:00
Kconfig.zephyr build: make non zephyr/ include prefix configurable 2022-04-08 19:03:32 +02:00
LICENSE
MAINTAINERS.yml MAINTAINERS: add initial entries for west.yml projects 2022-04-13 09:07:53 -07:00
README.rst readme: make README logo dark-mode aware 2022-02-15 19:47:48 +01:00
VERSION VERSION: bump patchlevel to 99 2022-02-21 19:05:46 -05:00
version.h.in cmake: version.h generation performed at build time 2022-02-08 07:50:24 -05:00
west.yml sample: syst: Add intel_adsp_cavs support 2022-04-20 10:25:16 -04:00
zephyr-env.cmd scripts: remove west from scripts/ 2019-01-29 10:15:01 +01:00
zephyr-env.sh everywhere: fix typos 2022-03-18 13:24:08 -04:00

.. raw:: html

   <a href="https://www.zephyrproject.org">
     <p align="center">
       <img src="doc/_static/images/logo-readme.svg">
     </p>
   </a>

   <a href="https://bestpractices.coreinfrastructure.org/projects/74"><img
   src="https://bestpractices.coreinfrastructure.org/projects/74/badge"></a>
   <a
   href="https://github.com/zephyrproject-rtos/zephyr/actions/workflows/twister.yaml?query=branch%3Amain">
   <img
   src="https://github.com/zephyrproject-rtos/zephyr/actions/workflows/twister.yaml/badge.svg?event=push"></a>


The Zephyr Project is a scalable real-time operating system (RTOS) supporting
multiple hardware architectures, optimized for resource constrained devices,
and built with security in mind.

The Zephyr OS is based on a small-footprint kernel designed for use on
resource-constrained systems: from simple embedded environmental sensors and
LED wearables to sophisticated smart watches and IoT wireless gateways.

The Zephyr kernel supports multiple architectures, including ARM Cortex-M,
Intel x86, ARC, Nios II, Tensilica Xtensa, and RISC-V, and a large number of
`supported boards`_.

.. below included in doc/introduction/introduction.rst


Getting Started
***************

Welcome to Zephyr! See the `Introduction to Zephyr`_ for a high-level overview,
and the documentation's `Getting Started Guide`_ to start developing.

.. start_include_here

Community Support
*****************

Community support is provided via mailing lists and Discord; see the Resources
below for details.

.. _project-resources:

Resources
*********

Here's a quick summary of resources to help you find your way around:

* **Help**: `Asking for Help Tips`_
* **Documentation**: http://docs.zephyrproject.org (`Getting Started Guide`_)
* **Source Code**: https://github.com/zephyrproject-rtos/zephyr is the main
  repository; https://elixir.bootlin.com/zephyr/latest/source contains a
  searchable index
* **Releases**: https://github.com/zephyrproject-rtos/zephyr/releases
* **Samples and example code**: see `Sample and Demo Code Examples`_
* **Mailing Lists**: users@lists.zephyrproject.org and
  devel@lists.zephyrproject.org are the main user and developer mailing lists,
  respectively. You can join the developer's list and search its archives at
  `Zephyr Development mailing list`_. The other `Zephyr mailing list
  subgroups`_ have their own archives and sign-up pages.
* **Nightly CI Build Status**: https://lists.zephyrproject.org/g/builds
  The builds@lists.zephyrproject.org mailing list archives the CI nightly build results.
* **Chat**: Real-time chat happens in Zephyr's Discord Server. Use
  this `Discord Invite`_ to register.
* **Contributing**: see the `Contribution Guide`_
* **Wiki**: `Zephyr GitHub wiki`_
* **Issues**: https://github.com/zephyrproject-rtos/zephyr/issues
* **Security Issues**: Email vulnerabilities@zephyrproject.org to report
  security issues; also see our `Security`_ documentation. Security issues are
  tracked separately at https://zephyrprojectsec.atlassian.net.
* **Zephyr Project Website**: https://zephyrproject.org

.. _Discord Invite: https://chat.zephyrproject.org
.. _supported boards: http://docs.zephyrproject.org/latest/boards/index.html
.. _Zephyr Documentation: http://docs.zephyrproject.org
.. _Introduction to Zephyr: http://docs.zephyrproject.org/latest/introduction/index.html
.. _Getting Started Guide: http://docs.zephyrproject.org/latest/getting_started/index.html
.. _Contribution Guide: http://docs.zephyrproject.org/latest/contribute/index.html
.. _Zephyr GitHub wiki: https://github.com/zephyrproject-rtos/zephyr/wiki
.. _Zephyr Development mailing list: https://lists.zephyrproject.org/g/devel
.. _Zephyr mailing list subgroups: https://lists.zephyrproject.org/g/main/subgroups
.. _Sample and Demo Code Examples: http://docs.zephyrproject.org/latest/samples/index.html
.. _Security: http://docs.zephyrproject.org/latest/security/index.html
.. _Asking for Help Tips: https://docs.zephyrproject.org/latest/getting_started/index.html#asking-for-help