OTA update prerequisites

To use over-the-air (OTA) updates, do the following:

• Check the Prerequisites for OTA updates using HTTP or the Prerequisites for OTA updates using MQTT.

• Create an Amazon S3 bucket to store your update.

• Create an OTA Update service role.

• Create an OTA user policy.

• Create a code-signing certificate.

• If you are using Code Signing for AWS IoT, Grant access to code signing for AWS IoT.

• Download FreeRTOS with the OTA library.