Description
An API for controlling Wi-Fi connections on Balena devices.
It does not contain an interface, instead it provides API endpoints to send requests to interact with the device. Any interface of your choice can be built to interact with the API. If you develop an interface that is open source, please do let me know so I can provide people links.
Get started
On launch, the app will detect if you already have a Wi-Fi connection. If you do, it will sleep and wait for a command. If you don’t, it will launch a hotspot and wait for a connection from you. Once connected, you can take further actions using the endpoints listed below.
By default, the Wi-Fi SSID is: Py Wi-Fi Connect
You can set your own default Wi-Fi SSID and a Wi-Fi password for your hotspot using the environment variables in the docker-compose.yml file.
Enjoy and please do feel free to feedback experiences and issues.
Endpoints
http://your-device:9090/v1/connect
Connect to a nearby Wi-Fi access point.
POST
{
"ssid": "BT-Media-543", // Name of the Wi-Fi network you want to connect to.
"conn_type": "WPA2", // Can be identified from the list_access_points endpoint.
"username": "username", // Optional for enterprise networks.
"password": "example-password" // Optional. Minimum 8 characters
}
Response status 202
Requests are returned immediately and then the process is executed. Otherwise users would be disconnected before they were able to receive the returned response.
{
"message": "accepted"
}
http://your-device:9090/v1/connection_status
Check whether your device is connected to a Wi-Fi hotspot and whether there is internet access.
GET
Response status 200
{
"wifi": true,
"internet": true
}
http://your-device:9090/v1/forget
Disconnect from the access point you earlier connected to with this app and forget the connection so it will not automatically reconnect on next launch of your device.
GET
Response status 202
Requests are returned immediately and then the process is executed. Otherwise users would be disconnected before they were able to receive the returned response.
{
"message": "accepted"
}
http://your-device:9090/v1/list_access_points
Fetch list of nearby Wi-Fi networks for passing to the connect endpoint.
GET
Response status 200
{
"ssids": [
{
"ssid": "VM123934", // SSID of the device
"conn_type": "WPA2", // Security type.
"strength": 100 // Signal strength from 0 – 100, with 100 being strongest
},
{
"ssid": "BT Media",
"conn_type": "ENTERPRISE",
"strength": 70
},
{
"ssid": "Althaea-2-no-password",
"security": "NONE",
"strength": 65
},
{
"ssid": "TELUS9052-Hidden",
"security": "HIDDEN",
"strength": 10
}
],
"iw_compatible": true // Whether your device supports refreshing
// of the nearby networks using IW (True = it does support it).
// When this is false, your device may need to be restarted to refresh
// the networks list. When it is True, you may be able to refresh the
// links by calling the list_access_points endpoint again. Useful for
// enabling or disabling a refresh button on an interface.
}
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