availableForWrite.adoc

title
Serial.availableForWrite()

availableForWrite()

Description

Get the number of bytes (characters) available for writing in the serial buffer without blocking the write operation.

Syntax

Serial.availableForWrite()

Parameters

Serial: serial port object. See the list of available serial ports for each board on the Serial main page.

Returns

The number of bytes available to write.

See also

• LANGUAGE begin()
  

• LANGUAGE end()
  

• LANGUAGE read()
  

• LANGUAGE peek()
  

• LANGUAGE flush()
  

• LANGUAGE print()
  

• LANGUAGE println()
  

• LANGUAGE write()
  

• LANGUAGE SerialEvent()
  

• LANGUAGE Stream.available()