iot-gw 0.1.dev47

IoT gateway

IoT Gateway

IoT gateway is a device that connects its client devices to a IoT platforms.

@startditaa                                        
+--------+        +---------+    I2     +----------+
|        |   I1   |         +<----------+   IoT    |
| Device +<------>+ Gateway +   Bridge  | Platform | 
|        |        |         |---------->|          |
+--------+        +---------+ telemetry +----------+
                                state
@endditaa

Interface I1

Interface between Device and Gateway

Protocol: MQTT

Mqtt topics:

• Attach
• Unattach
• State
• Event
• Config
• Commands

Attach topic

• Topic name: /attach
• Payload: device id as string
• Source: device

Unattach topic

• Topic name: /unattach
• Payload: device id as string
• Source: device

State topic

• Topic name: /state/<device_id>
• Payload: device state
• Source: device

Event topic

• Topic name: /event/<device_id>
• Payload: an event
• Source: device

Config topic

• Topic name: /config/<device_id>
• Payload: configuration
• Source: gateway

Commands topic

• Topic name: /commands/<device_id>
• Payload: command
• Source: gateway

Interface I2

Interface between Gateway and Bridge

Protocol: MQTT

Event topic

• Topic name: /devices/<device_id>/events
• Payload: event
• Source: gateway

State topic

• Topic name: /devices/<device_id>/state
• Payload: state
• Source: gateway

Config topic

• Topic name: /devices/<device_id>/config
• Payload: configuration
• Source: IoT platform

Commands topic

• Topic name: /devices/<device_id>/commands/#
• Payload: command
• Source: IoT platform