Constructor
new GdxFor(runtime, extensionId)
Construct a GDX-FOR communication object.
Parameters:
| Name | Type | Description |
|---|---|---|
runtime |
Runtime | the Scratch 3.0 runtime |
extensionId |
string | the id of the extension |
Members
(private) _ble :BLE
The BluetoothLowEnergy connection socket for reading/writing peripheral data.
Type:
(private) _device :Device
An @vernier/godirect Device
Type:
- Device
_extensionId
The id of the extension this peripheral belongs to.
(private) _runtime :Runtime
The Scratch 3.0 runtime used to trigger the green flag button.
Type:
(private) _sensors :Object.<string, number>
The most recently received value for each sensor.
Type:
- Object.<string, number>
(private) _timeoutID :number
Interval ID for data reading timeout.
Type:
- number
Methods
(private) _onConnect()
Starts reading data from peripheral after BLE has connected to it.
(private) _onSensorValueChanged(sensor)
Handler for sensor value changes from the goforce device.
Parameters:
| Name | Type | Description |
|---|---|---|
sensor |
object | goforce device sensor whose value has changed |
connect(id)
Called by the runtime when user wants to connect to a certain peripheral.
Parameters:
| Name | Type | Description |
|---|---|---|
id |
number | the id of the peripheral to connect to. |
disconnect()
Called by the runtime when a user exits the connection popup. Disconnect from the GDX FOR.
isConnected() → {boolean}
Return true if connected to the goforce device.
Returns:
- whether the goforce is connected.
- Type
- boolean
reset()
Reset all the state and timeout/interval ids.
scan()
Called by the runtime when user wants to scan for a peripheral.