input-lk201

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
ENVIRONMENT VARIABLES
FEATURES
KNOWN BUGS


NAME

input-lk201 : LK201/LK401 keyboard input

SYNOPSIS

input-lk201: []

DESCRIPTION

The lk201 and lk401 devices are keyboards made by Digital Equipment Corporation for some of there older micro computer systems and terminals.

They connect via a 4 pin RJ connector, which carries 11.8V (+/- 6%), GND, and two bidirectional async RS423 (RS232 Compatible) serial lines, which are Receive and Transmit. The pins are as follows (looking on to the male (lk201 side) connector):

——————-
| ” ” ” ” |
| L V G D |
| K + N E |
| -> D C |
| D -> |
| E L |
| C K |
— —
| |
— —
| |
——-

OPTIONS

file

Specifies the serial port device to use (e.g. /dev/ttyS1). If this argument is not specified as part of the input’s arguments, then the device named in the environment variable GII_LK201_OPTIONS is used.

ENVIRONMENT VARIABLES

GII_LK201_OPTIONS

File name of serial port.

FEATURES

Generates evKey* events.

KNOWN BUGS

key repeat messages are not sent, which can annoy users who want to use the cursor keys.

Handle setting of keyclick and bell, which can also annoy users.