Items LCD

LCD

See original

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

INI PARAMETERS

METHODS

Method	Description
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.

AUTHOR

SEE ALSO

An example is in mh/code/bruce/lcd.pl. To use simulate an LCD keypad with your pc keyboard, use mh/code/bruce/lcd_keyboard.pl.