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Power Plugin

Version: 1.0

Status: ⚫⚪⚪

Power plugin for Thunder framework.

Table of Contents

Introduction

Scope

This document describes purpose and functionality of the Power plugin. It includes detailed specification about its configuration, methods and properties provided.

Case Sensitivity

All identifiers of the interfaces described in this document are case-sensitive. Thus, unless stated otherwise, all keywords, entities, properties, relations and actions should be treated as such.

Acronyms, Abbreviations and Terms

The table below provides and overview of acronyms used in this document and their definitions.

Acronym Description
API Application Programming Interface
HTTP Hypertext Transfer Protocol
JSON JavaScript Object Notation; a data interchange format
JSON-RPC A remote procedure call protocol encoded in JSON

The table below provides and overview of terms and abbreviations used in this document and their definitions.

Term Description
callsign The name given to an instance of a plugin. One plugin can be instantiated multiple times, but each instance the instance name, callsign, must be unique.

References

Ref ID Description
HTTP HTTP specification
JSON-RPC JSON-RPC 2.0 specification
JSON JSON specification
Thunder Thunder API Reference

Configuration

The table below lists configuration options of the plugin.

Name Type M/O Description
callsign string mandatory Plugin instance name (default: Power)
classname string mandatory Class name: Power
locator string mandatory Library name: libThunderPower.so
startmode string mandatory Determines in which state the plugin should be moved to at startup of the framework
configuration object optional ...
configuration?.powerkey integer optional Key associated as powerkey
configuration?.offmode string optional Type of offmode
configuration?.control boolean optional Enable control clients
configuration?.gpiopin integer optional GGIO pin (Broadcom)
configuration?.gpiotype sting optional GPIO type (Broadcom)
configuration?.statechange integer optional Statechange (Broadcom)

Interfaces

This plugin implements the following interfaces:

Methods

The following methods are provided by the Power plugin:

Power interface methods:

Method Description
set Sets power state

set method

Sets power state.

Parameters

Name Type M/O Description
params object mandatory ...
params.powerstate string mandatory Power state (must be one of the following: activestandby, hibernate, on, passivestandby, poweroff, suspendtoram)
params.timeout integer mandatory Time to wait for power state change

Result

Name Type M/O Description
result null mandatory Always null (default: None)

Errors

Message Description
ERROR_GENERAL General failure
ERROR_DUPLICATE_KEY Trying to set the same power mode
ERROR_ILLEGAL_STATE Power state is not supported
ERROR_BAD_REQUEST Invalid Power state or Bad JSON param data format

Example

Request

{
  "jsonrpc": "2.0",
  "id": 42,
  "method": "Power.1.set",
  "params": {
    "powerstate": "on",
    "timeout": 0
  }
}

Response

{
  "jsonrpc": "2.0",
  "id": 42,
  "result": null
}

Properties

The following properties are provided by the Power plugin:

Power interface properties:

Property R/W Description
state read-only Power state

state property

Provides access to the power state.

This property is read-only.

Value

Name Type M/O Description
(property) string mandatory Power state (must be one of the following: activestandby, hibernate, on, passivestandby, poweroff, suspendtoram)

Example

Get Request

{
  "jsonrpc": "2.0",
  "id": 42,
  "method": "Power.1.state"
}

Get Response

{
  "jsonrpc": "2.0",
  "id": 42,
  "result": "on"
}