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* [Cellular] Add cellulr lib submodule and demo app * [Cellular] Fix memory violation in transport layer and add using LoggingPrintf * Update FreeRTOS Cellular Interface * Change the mbedtls usage in FreeRTOS-Plus * [Cellular] Fix missing spell * [Cellular] Add manifest.yml * Fix missing spell * Update manifest.yml * [Cellular] Add integration test * Modify the demo log level to LOG_INFO * Update cellular interface * The modification of the folder structure for cellular library * Rename the naming of demo * Adjust the location of using_mbedtls and socket_wrapper * Adjust project setting for relocating using_mbedtls and socket_wrapper * Turn off PSM mode * Add start marker for CI validation. * The modification for mbedtls platform send/recv function for cellular * Change the project file due to the changes of mbedtls platform send/recv function for cellular * Fix missing newline and remove unused file * Add missing configuration. * Make cellular and freertos tcp plus use the same transport implementation * Add comment for the macro MBEDTLS_SSL_SEND and MBEDTLS_SSL_RECV * Make changes from the github comment.
The subdirectories of this directory contain multiple examples that demonstrate coreMQTT using in both single and multi-threaded scenarios, as well as with both plain text and authenticated and encrypted network interfaces. The multi threaded example creates an MQTT agent (or daemon task). It is thread safe because only the agent task is allowed to access the coreMQTT API - hence the API is only accessed from one FreeRTOS task. Other tasks and interrupts needing to interact with the MQTT agent do so through a thread safe queue. We are generalising this technique for future coreMQTT releases, which will have a re-usable agent component. ! Plain text examples are for ease of evaluation only - product devices should ! always use authenticated and encrypted communication. Never send private or ! sensitive data on an unencrypted connection.