LispWorks User Guide and Reference Manual > 37 The SERIAL-PORT Package

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get-serial-port-state

Function
Summary

Queries various aspects of the state of a serial port.

Package

serial-port

Signature

get-serial-port-state serial-port keys => state

Arguments

serial-port

A serial-port object.

keys

A list of keywords.

Values

state

A list.

Description

The function get-serial-port-state queries various aspects of the state of the serial port associated with serial-port .

The argument keys should be a list of one or more of the keywords :dsr and :cts . These cause get-serial-port-state to check the DSR and CTS lines respectively.

The result state is a list giving the state of each line in the same order as they appear in the argument keys .


LispWorks User Guide and Reference Manual - 22 Dec 2009

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