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ArduinoBLE : BLECharacteristic class

properties()

Description

Query the property mask of the specified BLECharacteristic.

Syntax

bleCharacteristic.properties()

Parameters

None

Returns

Properties of the characteristic masked (BLEBroadcast, BLERead, BLEWriteWithoutResponse, BLEWrite, BLENotify, BLEIndicate)

Example

…
// BLE LED Switch Characteristic - custom 128-bit UUID, read and writable by central
BLEByteCharacteristic switchCharacteristic("19B10001-E8F2-537E-4F6C-D104768A1214", BLERead | BLEWrite);

// …
byte properties = switchCharacteristic.properties();

if (properties & BLERead) {
  // characteristic is readable ...
}

if (properties & (BLEWrite | BLEWriteWithoutResponse)) {
  // characteristic is writable ...
}
…
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