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Hello,
I have been working on a project that involves sending and receiving MQTT messages to and from AWS IOT Core to the CY8CKIT-064S0S2-4343W (AWS Pioneer) board. I wanted some help or possibly some references to help figure out the process of using cypress libraries (or any other) to send out JSON formatted messages with MQTT.
I did try looking into the AWS Shadow example given in the demo project, but it seems to be too complicated to get started. If possible, do let me know a good approach or resource that would be easier for a simple MQTT send and receive operation.
I wish to also understand what function is exactly called when send() is invoked in the file iot_mqtt_operation.c as shown below (this is a part of the Shadow demo project).
Regards,
Pikamaps
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Hi Pikamaps,
To understand how MQTT messages are sent and received, you could start with the aws_demos example. Please refer to this page for information on how to run the FreeRTOS demo project - https://docs.aws.amazon.com/freertos/latest/userguide/getting_started_cypress_psoc64.html
Regarding the JSON library used, I found this documentation - https://docs.aws.amazon.com/embedded-csdk/latest/lib-ref/libraries/standard/coreJSON/docs/doxygen/ou...
Can you please let me know if this is what you are looking for?
Rakshith M B
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Hi Pikamaps,
To understand how MQTT messages are sent and received, you could start with the aws_demos example. Please refer to this page for information on how to run the FreeRTOS demo project - https://docs.aws.amazon.com/freertos/latest/userguide/getting_started_cypress_psoc64.html
Regarding the JSON library used, I found this documentation - https://docs.aws.amazon.com/embedded-csdk/latest/lib-ref/libraries/standard/coreJSON/docs/doxygen/ou...
Can you please let me know if this is what you are looking for?
Rakshith M B