LCD

SYNOPSIS

  my %lcd_keymap1 = ( N => 'up', I => 'down', M => 'left', H => 'right', F => 'exit', K => 'enter', L => 'left', G => 'right');
  my %lcd_keymap2 = ( 38=> 'up', 40=> 'down', 37=> 'left', 39=> 'right', 17=> 'exit', 96=> 'enter') ;

  $lcd1 = new LCD  'lcdproc', '192.168.0.5:13666', '4x20', 'default', \%lcd_keymap1;
  $lcd2 = new LCD 'keyboard',               undef, '4x20', 'mh',      \%lcd_keymap2;

DESCRIPTION

Send and receive data to LCD type displays with keypads

INHERITS

NONE

METHODS

new($type, $port, $size, $menu_group, $keymap)

  $type:  Either lcdproc or keyboard.
  $port:  The ip:port of where lcdproc is running.
  $size:  ROWSxCOLUMNS of the LCD display.
  $menu_group:  The menu parsed by menu_parse (see Menu section of this doc).
  $keymap: A has that translates keys to usable names.

start

Connect to the LCD. Automatically called on startup

stop

Disconnect the LCD.

load($menu)

Load menu $menu. Default menu is the first one.

check_key

Returns whatever key is keyed in

set(@data)

Sends @data to the LCD, one line per list element

set_key($key)

Simulates the keyboard being pressed with $key

inactive

Returns true if no key has been pressed in 10 seconds.

INI PARAMETERS

NONE

AUTHOR

UNK

LICENSE

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

LCD.pm

LCD