Reference   Language | Libraries | Comparison | Changes

ArduinoBLE : BLECharacteristic class

hasDescriptor

Description

Check if a characteristic has a particular descriptor.

Syntax

bleCharacteristic.hasDescriptor(uuid)
bleCharacteristic.hasDescriptor(uuid, index)

Parameters

index - index of descriptor
uuid - uuid (as a string)

Returns

true, if the characteristic has a matching descriptor, otherwise false.

Example

…
  if (characteristic.hasDescriptor("2901")) {
    Serial.println("characteristic has description descriptor");
  }
…
[Get Code]

See Also




Reference Home

Corrections, suggestions, and new documentation should be posted to the Forum.

The text of the Arduino reference is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.