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Using AWS IoT Device Tester for FreeRTOS
You can use AWS IoT Device Tester (IDT) for FreeRTOS to verify that the FreeRTOS operating
system works locally on your device and can communicate with the AWS IoT Cloud. Specifically,
it verifies that the porting layer interfaces for the FreeRTOS libraries are implemented
correctly. It also performs end-to-end tests with AWS IoT Core. For example, it verifies
your
board can send and receive MQTT messages and process them correctly. The tests run
by IDT
for FreeRTOS are defined in the FreeRTOS
GitHub repository
The tests run as embedded applications that are flashed onto your board. The application binary images include FreeRTOS, the semiconductor vendor’s ported FreeRTOS interfaces, and board device drivers. The purpose of the tests is to verify the ported FreeRTOS interfaces function correctly on top of the device drivers.
IDT for FreeRTOS generates test reports that you can submit to AWS IoT to add your
hardware to
the AWS Partner Device Catalog. For more information, see AWS Device Qualification
Program
IDT for FreeRTOS runs on a host computer (Windows, macOS, or Linux) that is connected to the board to be tested. IDT executes test cases and aggregates results. It also provides a command line interface to manage test execution.
In addition to testing devices, IDT for FreeRTOS creates resources (for example, AWS IoT things, FreeRTOS groups, Lambda functions, and so on) to facilitate the qualification process.
To create these resources, IDT for FreeRTOS uses the AWS credentials configured in
the
config.json to make API calls on your behalf. These resources are
provisioned at various times during a test.
When you run IDT for FreeRTOS on your host computer, it performs the following steps:
-
Loads and validates your device and credentials configuration.
-
Performs selected tests with the required local and cloud resources.
-
Cleans up local and cloud resources.
-
Generates tests reports that indicate if your board passed the tests required for qualification.
The following diagram shows the test infrastructure setup:
