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Ulf Magnusson bd6e04411e kconfig: Clean up header comments and make them consistent 
Use this short header style in all Kconfig files:

    # <description>

    # <copyright>
    # <license>

    ...

Also change all <description>s from

    # Kconfig[.extension] - Foo-related options

to just

    # Foo-related options

It's clear enough that it's about Kconfig.

The <description> cleanup was done with this command, along with some
manual cleanup (big letter at the start, etc.)

    git ls-files '*Kconfig*' | \
        xargs sed -i -E '1 s/#\s*Kconfig[\w.-]*\s*-\s*/# /'

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
 		2019-11-04 17:31:27 -05:00
..
src cleanup: include/: move entropy.h to drivers/entropy.h 2019-06-27 22:55:49 -04:00
CMakeLists.txt cmake: samples/tests: update cmake_minimum_required() to 3.13.1 2019-09-27 23:09:24 -04:00
Kconfig kconfig: Clean up header comments and make them consistent 2019-11-04 17:31:27 -05:00
README.rst doc: use :zephyr_file: where appropriate 2019-03-09 09:50:27 -05:00
prj.conf logging: Remove SYS_LOG implementation 2019-03-28 09:30:29 -04:00
sample.yaml samples: net: Add Google IOT Cloud full stack application 2019-02-08 15:32:58 -06:00

README.rst 

.. _google-iot-mqtt-sample:

Google IOT MQTT Sample
######################

Overview
********

This sample application demonstrates a "full stack" application.  This
currently is able to

- Acquire a DHCPv4 lease.
- Connect to an SNTP server and acquire current time
- Establish a TLS connection with the Google IOT Cloud servers
- Publish data to the Google IOT Cloud
- Send/Receive keep alive / pings from cloud server

The source code for this sample application can be found at:
:zephyr_file:`samples/net/google_iot_mqtt`.

Requirements
************
- Entropy source
- Google IOT Cloud account
- Google IOT Cloud credentials and required information
- Network connectivity

Building and Running
********************
This application has been built and tested on the NXP FRDMK64F.  RSA or
ECDSA certs/keys are required to authenticate to the Google IOT Cloud.
The application includes a key creation script.

Run the ``create_keys.py`` script in the
``samples/net/google_iot_mqtt/src/private_info/`` directory.

Users will also be required to configure the following Kconfig options
based on their Google Cloud IOT project:

- CLOUD_CLIENT_ID - created from <telemetry>/<region>/registries/<registry name>/devices/<device name>
- CLOUD_AUDIENCE - created from telemetry without projects on front
- CLOUD_SUBSCRIBE_CONFIG - created from /devices/<device name>/config
- CLOUD_PUBLISH_TOPIC - created from /devices/<device name>/state

See `Google Cloud MQTT Documentation
<https://cloud.google.com/iot/docs/how-tos/mqtt-bridge>`_.