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ArduinoBLE : BLEDescriptor class

readValue

Description

Read the current value of the descriptor. If the descriptor is on a remote device, a read request will be sent.

Syntax

bleDescriptor.readValue(buffer, length)
bleDescriptor.readValue(value)

Parameters

buffer: byte array to read value into
length: size of buffer argument in bytes
value: variable to read value into (by reference)

Returns

Number of bytes read

Example

…
  byte value = 0;

  /get the value, descriptor is 1 byte so use byte value    
  descriptor.readValue(value);
…
[Get Code]

See Also



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