Difference between revisions of "Mqtt notes"

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Notes on MQTT . . .
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Notes on MQTT
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Looks like in Nordic Semi's aws_iot sample app, the following enumerated events represent a firmware instance receiving subscribed messages from an MQTT broker:
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<pre>
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- 1108 DEV - aws_iot event handler called,
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AWS_IOT_EVT_READY
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- 1108 DEV - aws_iot event handler called,
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AWS_IOT_EVT_DATA_RECEIVED
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</pre>
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A link to review:
 
<ul>
 
<ul>
 
*  https://thenewstack.io/mqtt-protocol-iot/
 
*  https://thenewstack.io/mqtt-protocol-iot/

Revision as of 06:06, 15 December 2021

Notes on MQTT

Looks like in Nordic Semi's aws_iot sample app, the following enumerated events represent a firmware instance receiving subscribed messages from an MQTT broker:

- 1108 DEV - aws_iot event handler called,
AWS_IOT_EVT_READY
- 1108 DEV - aws_iot event handler called,
AWS_IOT_EVT_DATA_RECEIVED


A link to review:


2021-12-14 Tue



2021-12-08

*  https://github.com/aws/aws-iot-device-sdk-embedded-C/blob/main/demos/mqtt/mqtt_demo_basic_tls/mqtt_demo_basic_tls.c

+++

*  https://docs.aws.amazon.com/iot/latest/developerguide/topics.html


Unsorted references to MQTT:

# https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/samples/net/mqtt_publisher/README.html
# https://www.hivemq.com/blog/mqtt-essentials-part2-publish-subscribe/
# https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/samples/index.html
# https://www.circuito.io/blog/arduino-code/
# https://www.hivemq.com/blog/mqtt-essentials-part-7-persistent-session-queuing-messages/
# https://www.hivemq.com/blog/mqtt-essentials-part-3-client-broker-connection-establishment/


# https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.6.1/nrf/examples.html
# https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.6.1/nrf/ug_tfm.html#ug-tfm
# https://ci-builds.trustedfirmware.org/static-files/UxIoKYsDyPQ0ojvJOv9EX6-hZNDZd6IPGfcm05Bk1b0xNjM3MTA4NjMxODUxOjk6YW5vbnltb3VzOmpvYi90Zi1tLWJ1aWxkLWRvY3MtbmlnaHRseS9sYXN0U3RhYmxlQnVpbGQvYXJ0aWZhY3Q=/trusted-firmware-m/build/docs/user_guide/html/index.html

Nordic AWS FOTA example:

# https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.6.1/nrf/samples/nrf9160/aws_fota/README.html