{"id":4054,"date":"2022-12-20T17:28:51","date_gmt":"2022-12-20T20:28:51","guid":{"rendered":"http:\/\/lode.uno\/linux-man\/index.php\/2022\/12\/20\/input-lk201-man7\/"},"modified":"2022-12-20T17:28:51","modified_gmt":"2022-12-20T20:28:51","slug":"input-lk201-man7","status":"publish","type":"post","link":"https:\/\/lode.uno\/linux-man\/2022\/12\/20\/input-lk201-man7\/","title":{"rendered":"input-lk201 (man7)"},"content":{"rendered":"

input-lk201<\/h1>\n

NAME<\/a>
SYNOPSIS<\/a>
DESCRIPTION<\/a>
OPTIONS<\/a>
ENVIRONMENT VARIABLES<\/a>
FEATURES<\/a>
KNOWN BUGS<\/a> <\/p>\n

\n

NAME <\/a> <\/h2>\n

input-lk201<\/b> : LK201\/LK401 keyboard input<\/p>\n

SYNOPSIS <\/a> <\/h2>\n

input-lk201: []<\/p>\n

DESCRIPTION <\/a> <\/h2>\n

The lk201 and lk401 devices are keyboards made by Digital Equipment Corporation for some of there older micro computer systems and terminals.<\/p>\n

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):<\/p>\n

——————-
| ” ” ” ” |
| L V G D |
| K + N E |
| -> D C |
| D -> |
| E L |
| C K |
— —
| |
— —
| |
——-<\/p>\n

OPTIONS <\/a> <\/h2>\n\n\n
<\/td>\n\n

file<\/i><\/p>\n<\/td>\n

<\/td>\n\n

Specifies the serial port device to use (e.g. \/dev\/ttyS1<\/b>). If this argument is not specified as part of the input\u2019s arguments, then the device named in the environment variable GII_LK201_OPTIONS<\/b> is used.<\/p>\n<\/td>\n<\/tr>\n<\/table>\n

ENVIRONMENT VARIABLES <\/a> <\/h2>\n

GII_LK201_OPTIONS<\/b><\/p>\n

File name of serial port.<\/p>\n

FEATURES <\/a> <\/h2>\n\n\n
<\/td>\n\n

\u2022<\/p>\n<\/td>\n

<\/td>\n\n

Generates evKey* events.<\/p>\n<\/td>\n

 <\/td>\n<\/tr>\n<\/table>\n

KNOWN BUGS <\/a> <\/h2>\n\n\n\n
<\/td>\n\n

\u2022<\/p>\n<\/td>\n

<\/td>\n\n

key repeat messages are not sent, which can annoy users who want to use the cursor keys.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

\u2022<\/p>\n<\/td>\n

<\/td>\n\n

Handle setting of keyclick and bell, which can also annoy users.<\/p>\n<\/td>\n<\/tr>\n<\/table>\n

\n","protected":false},"excerpt":{"rendered":"

input-lk201 : LK201\/LK401 keyboard input <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[971],"tags":[973,1135,972],"class_list":["post-4054","post","type-post","status-publish","format-standard","hentry","category-7-miscelanea","tag-973","tag-input-lk201","tag-man7"],"gutentor_comment":0,"_links":{"self":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts\/4054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/comments?post=4054"}],"version-history":[{"count":0,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts\/4054\/revisions"}],"wp:attachment":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/media?parent=4054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/categories?post=4054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/tags?post=4054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}