Reference   Language | Libraries | Comparison | Changes

Wire.available()

Description

Returns the number of bytes available for retrieval with read(). This should be called on a master device after a call to requestFrom() or on a slave inside the onReceive() handler.

available() inherits from the Stream utility class.

Parameters

None

Returns

The number of bytes available for reading.

See Also

• Wire.read()
• Stream.available()
  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.