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.