47 lines
1.5 KiB
ReStructuredText
47 lines
1.5 KiB
ReStructuredText
.. _google-iot-mqtt-sample:
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Google IOT MQTT Sample
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######################
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Overview
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********
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This sample application demonstrates a "full stack" application. This
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currently is able to
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- Acquire a DHCPv4 lease.
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- Connect to an SNTP server and acquire current time
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- Establish a TLS connection with the Google IOT Cloud servers
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- Publish data to the Google IOT Cloud
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- Send/Receive keep alive / pings from cloud server
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The source code for this sample application can be found at:
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:file:`samples/net/google_iot_mqtt`.
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Requirements
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************
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- Entropy source
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- Google IOT Cloud account
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- Google IOT Cloud credentials and required information
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- Network connectivity
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Building and Running
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********************
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This application has been built and tested on the NXP FRDMK64F. RSA or
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ECDSA certs/keys are required to authenticate to the Google IOT Cloud.
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The application includes a key creation script.
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Run the ``create_keys.py`` script in the
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``samples/net/google_iot_mqtt/src/private_info/`` directory.
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Users will also be required to configure the following Kconfig options
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based on their Google Cloud IOT project:
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- CLOUD_CLIENT_ID - created from <telemetry>/<region>/registries/<registry name>/devices/<device name>
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- CLOUD_AUDIENCE - created from telemetry without projects on front
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- CLOUD_SUBSCRIBE_CONFIG - created from /devices/<device name>/config
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- CLOUD_PUBLISH_TOPIC - created from /devices/<device name>/state
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See `Google Cloud MQTT Documentation
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<https://cloud.google.com/iot/docs/how-tos/mqtt-bridge>`_.
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