NAME

       Config::Model::models::LCDd::hd44780 - Configuration class LCDd::hd44780

DESCRIPTION

       Configuration classes used by Config::Model

       generated from LCDd.conf

Elements

   Backlight
       If you have a switchable backlight.  Optional. Type uniline.

       default value :
           no

   Brightness
       Set  brightness  of the backlight (lcd2usb and usb4all): Brightness is the brightness while the backlight
       is set to 'on'.  Optional. Type integer.

       upstream_default value :
           800

   CharMap
       Character map to to map ISO-8859-1 to the LCD's character set

       (hd44780_koi8_r, hd44780_cp1251, hd44780_8859_5 and upd16314 are possible  if  compiled  with  additional
       charmaps)   Optional.  Type  enum. choice: 'hd44780_default', 'hd44780_euro', 'ea_ks0073', 'sed1278f_0b',
       'hd44780_koi8_r', 'hd44780_cp1251', 'hd44780_8859_5', 'upd16314'.

       upstream_default value :
           hd44780_default

   ConnectionType
       Select what type of connection. See documentation for available types.  Optional. Type uniline.

       default value :
           4bit

   Contrast
       Set the initial contrast (bwctusb, lcd2usb, and usb4all)  Optional. Type integer.

       upstream_default value :
           800

   DelayBus
       You can reduce the inserted delays by setting this to false.  On fast PCs it is possible  your  LCD  does
       not respond correctly.  Default: true.  Optional. Type uniline.

       default value :
           true

   DelayMult
       If  your  display  is  slow and cannot keep up with the flow of data from LCDd, garbage can appear on the
       LCDd. Set this delay factor to 2 or 4 to increase the delays. Default: 1.  Optional. Type uniline.

       upstream_default value :
           2

   Device
       Device of the serial, I2C, or SPI interface  Optional. Type uniline.

       upstream_default value :
           /dev/lcd

   ExtendedMode
       If you have an HD66712, a KS0073 or another controller with 'extended mode', set this flag  to  get  into
       4-line  mode.  On  displays  with  just  two  lines, do not set this flag.  As an additional restriction,
       controllers with and without extended mode AND 4 lines cannot be mixed for those  connection  types  that
       support more than one display!  Optional. Type uniline.

       upstream_default value :
           yes

   KeepAliveDisplay
       Some  displays  (e.g. vdr-wakeup) need a message from the driver to that it is still alive. When set to a
       value bigger then null the character in  the  upper  left  corner  is  updated  every  <KeepAliveDisplay>
       seconds. Default: 0.  Optional. Type uniline.

       upstream_default value :
           0

   KeyMatrix_4_1
       If  you have a keypad you can assign keystrings to the keys.  See documentation for used terms and how to
       wire it.  For example to give directly connected key 4 the string "Enter", use:
         KeyDirect_4=Enter For matrix keys use the X and Y coordinates of the key:
         KeyMatrix_1_3=Enter.  Optional. Type uniline.

       default value :
           Enter

   KeyMatrix_4_2
        Optional. Type uniline.

       default value :
           Up

   KeyMatrix_4_3
        Optional. Type uniline.

       default value :
           Down

   KeyMatrix_4_4
        Optional. Type uniline.

       default value :
           Escape

   Keypad
       If you have a keypad connected.  You may also need to configure the keypad  layout  further  on  in  this
       file.  Optional. Type uniline.

       default value :
           no

   Lastline
       Specifies if the last line is pixel addressable (yes) or it controls an underline effect (no).  Optional.
       Type boolean.

       upstream_default value :
           yes

   LineAddress
       In extended mode, on some controllers like the ST7036 (in 3 line mode) the next line in DDRAM won't start
       0x20 higher.  Optional. Type uniline.

       upstream_default value :
           0x20

   OffBrightness
       OffBrightness is the brightness while the backlight is set to 'off'.  Optional. Type integer.

       upstream_default value :
           300

   OutputPort
       If  you  have  the  additional  output  port  ("bargraph") and you want to be able to control it with the
       lcdproc OUTPUT command.  Optional. Type uniline.

       default value :
           no

   Port
       I/O address of the LPT port. Usual values are: 0x278, 0x378 and 0x3BC.  For I2C connections this sets the
       slave address (usually 0x20).  Optional. Type uniline.

       default value :
           0x378

   RefreshDisplay
       If you experience occasional garbage on your display you can use this option as workaround. If set  to  a
       value  bigger  than  null it forces a full screen refresh <RefreshDiplay> seconds. Default: 0.  Optional.
       Type uniline.

       upstream_default value :
           5

   Size
       Specifies the size of the LCD.  In case of multiple combined displays, this should  be  the  total  size.
       Optional. Type uniline.

       default value :
           20x4

   Speed
       Bitrate of the serial port (0 for interface default)  Optional. Type uniline.

       default value :
           0

   vspan
       For  multiple  combined  displays:  how many lines does each display have.  Vspan=2,2 means both displays
       have 2 lines.  Optional. Type uniline.

       upstream_default value :
           2,2

SEE ALSO

       •   cme

perl v5.40.1                                       2025-03-04             Config::Model::...::LCDd::hd44780(3pm)