• Documentation
• EnOS™ Device Protocol
• HTTP-based Device Connection
• Downloading Files

Downloading Files

The device can send a request to the HTTP broker to download a file after the device has been authenticated.

• Method: GET

• TOPIC: /multipart/sys/{productKey}/{deviceKey}/file/download

Request Sample

{
    "sesssionId": "341a9fa5-2719-4322-a7e1-686555b9e678",
    "fileUrl": "enos-connect://xxxxx",
    "category": "ota"
}

Returned Data

The returned data is the binary stream for the file to be downloaded.

Request Parameter Description

Parameter	Data Type	Mandatory/optional	Description
sessionId	String	Mandatory	The session ID, obtained when the devices is authenticated and connected to EnOS, must be provided every time the data is reported.
fileUrl	String	Mandatory	The URL for the file to be downloaded.
category	String	Mandatory	The file type. The supported values include: ota : The file to be downloaded is an OTA file. feature : The file to be downloaded is a measurement point, attribute, or event of the file uploaded by the device.