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Firmware Control Plugin

Version: 1.0

Status: ⚫⚪⚪

FirmwareControl plugin for Thunder framework.

Table of Contents

Introduction

Scope

This document describes purpose and functionality of the FirmwareControl plugin. It includes detailed specification of its configuration, methods and properties provided, as well as notifications sent.

Case Sensitivity

All identifiers on the interface 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

Description

Control Firmware upgrade to the device

The plugin is designed to be loaded and executed within the Thunder framework. For more information about the framework refer to [Thunder].

Configuration

The table below lists configuration options of the plugin.

Name Type Description
callsign string Plugin instance name (default: FirmwareControl)
classname string Class name: FirmwareControl
locator string Library name: libWPEFrameworkFirmwareControl.so
autostart boolean Determines if the plugin is to be started automatically along with the framework

Methods

The following methods are provided by the FirmwareControl plugin:

FirmwareControl interface methods:

Method Description
upgrade Upgrade the device to the given firmware

upgrade method

Upgrade the device to the given firmware.

Also see: upgradeprogress

Parameters

Name Type Description
params object
params.name string name of the firmware
params?.location string (optional) location/url of the firmware to be upgraded
params?.type string (optional) type of the firmware (must be one of the following: CDL, RCDL)
params?.progressinterval number (optional) number of seconds between progress update events (5 secoonds, 10 seconds etc). 0 means invoking callback only once to report final upgrade result
params?.hmac string (optional) HMAC value of firmare

Result

Name Type Description
result null Always null

Errors

Code Message Description
12 ERROR_INPROGRESS Operation in progress
15 ERROR_INCORRECT_URL Invalid location given
2 ERROR_UNAVAILABLE Error in download
30 ERROR_BAD_REQUEST Bad file name given
22 ERROR_UNKNOWN_KEY Bad hash value given
5 ERROR_ILLEGAL_STATE Invalid state of device
14 ERROR_INCORRECT_HASH Incorrect hash given

Example

Request

{
    "jsonrpc": "2.0",
    "id": 1234567890,
    "method": "FirmwareControl.1.upgrade",
    "params": {
        "name": "firmware_v.0",
        "location": "http://my.site.com/images",
        "type": "CDL",
        "progressinterval": 10,
        "hmac": "2834e6d07fa4c7778ef7a4e394f38a5c321afbed51d54ad512bd3fffbc7aa5debc"
    }
}

Response

{
    "jsonrpc": "2.0",
    "id": 1234567890,
    "result": null
}

Properties

The following properties are provided by the FirmwareControl plugin:

FirmwareControl interface properties:

Property Description
status RO Current status of a upgrade

status property

Provides access to the current status of a upgrade.

This property is read-only.

Also see: upgradeprogress

Value

Name Type Description
(property) string upgrade status (must be one of the following: none, upgradestarted, downloadstarted, downloadaborted, downloadcompleted, installnotstarted, installaborted, installstarted, upgradecompleted, upgradecancelled)

Example

Get Request

{
    "jsonrpc": "2.0",
    "id": 1234567890,
    "method": "FirmwareControl.1.status"
}

Get Response

{
    "jsonrpc": "2.0",
    "id": 1234567890,
    "result": "completed"
}

Notifications

Notifications are autonomous events, triggered by the internals of the plugin, and broadcasted via JSON-RPC to all registered observers. Refer to [Thunder] for information on how to register for a notification.

The following events are provided by the FirmwareControl plugin:

FirmwareControl interface events:

Event Description
upgradeprogress Notifies progress of upgrade

upgradeprogress event

Notifies progress of upgrade.

Parameters

Name Type Description
params object
params.status string upgrade status (must be one of the following: none, upgradestarted, downloadstarted, downloadaborted, downloadcompleted, installnotstarted, installaborted, installstarted, upgradecompleted, upgradecancelled)
params.error string reason of error (must be one of the following: none, generic, invalidparameters, invalidstate, operationotsupported, incorrecthash, unavailable, timedout, unkown)
params.percentage number

Example

{
    "jsonrpc": "2.0",
    "method": "client.events.1.upgradeprogress",
    "params": {
        "status": "completed",
        "error": "operationotsupported",
        "percentage": 89
    }
}