OTA updates

Refer to MQTT Device API Reference - Firmware API.

Tips: In this article, client refers to device.

Firmware OTA updates

Tips: Firmware attributes are some shared attributes.

Request firmware attributes values from the server

1. Prerequisites

   • Control Packet type: SUBSCRIBE (Client subscribe request)

   • Direction of flow: Client to Server

   • Payload-Topic Filter: ???

2. Send request of firmware attributes

3. Handle response of firmware attributes

Subscribe to firmware attributes updates from the server

1. Prerequisites

   • Control Packet type: SUBSCRIBE (Client subscribe request)

   • Direction of flow: Client to Server

   • Payload-Topic Filter: firmware attributes updates

2. Handle PUBLISH message of firmware attributes updates

   • Control Packet type: SUBSCRIBE (Client subscribe request)

   • Direction of flow: Server to Client

   • Payload-Topic Filter: firmware attributes updates

Request firmware chunk from the server

1. Prerequisites

   • Control Packet type: SUBSCRIBE (Client subscribe request)

   • Direction of flow: Client to Server

   • Payload-Topic Filter: ???

2. Send request of firmware chunk

3. Handle response of firmware chunk

4. Send telemetry of current firmware status

Software OTA updates

所有应用于Firmware的操作, 也可以应用于 Software。相关的协议, 把 fw_… 替换成 sw_… 即可。

ThingsBoard Operation

• Device 的 OTA updates 覆盖 Device profile 的 OTA updates.

References

1. Firmware API - ThingsBoard.