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ArduinoBLE : BLE class

setEventHandler()

Description

Set the event handler (callback) function that will be called when the specified event occurs.

Syntax

BLE.setEventHandler(eventType, callback)

Parameters

eventType: event type (BLEConnected, BLEDisconnected)
callback: function to call when event occurs

Returns

Nothing.

Example

…
  // begin initialization
  if (!BLE.begin()) {
    Serial.println("starting BLE failed!");

    while (1);
  }

  // ...

  // assign event handlers for connected, disconnected to peripheral
  BLE.setEventHandler(BLEConnected, blePeripheralConnectHandler);
  BLE.setEventHandler(BLEDisconnected, blePeripheralDisconnectHandler);

  // …


void blePeripheralConnectHandler(BLEDevice central) {
  // central connected event handler
  Serial.print("Connected event, central: ");
  Serial.println(central.address());
}

void blePeripheralDisconnectHandler(BLEDevice central) {
  // central disconnected event handler
  Serial.print("Disconnected event, central: ");
  Serial.println(central.address());
}
…
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