Re: [lcd4linux] Nothing Displayed on CrystalFontz 635

[Michael D. <mi...@mi...>]

Hi!

I worked out what the problem was, the Contrast was too low. I've now set
the contrast to 100 and can see the text fine.

Mike

On 11/24/06, Michael Ditum <mi...@mi...> wrote:
>
> Hi I'm trying to get lcd4linux to work with my CrystalFontz 635. When I
> start lcd4linux it clears the display and sets the brightness and contrast
> but then displays nothing. I'm running the cvs version which was checked out
> today.
>
> Here's my lcd4linux.conf file...
>
> Display CF635 {
>     Driver 'Crystalfontz'
>     Model '635'
>     Port '/dev/ttyUSB0'
>     Speed 115200
>     Icons 4
>     Contrast 16
>     Backlight 80
> }
>
> Widget OS {
>     class 'Text'
>     expression '*** '.uname('sysname').' '.uname('release').' ***'
>     width 20
>     align 'M'
>     speed 100
>     update tick
> }
>
>
> Layout Default {
>     Row1 {
>         Col1  'OS'
>     }
> }
>
> Variables {
>    tick 500
> }
>
> Display 'CF635'
> Layout  'Default'
>
> and I run lcd4linux -Fvv and get...
>
> [root@TIGGER lcd4linux]# lcd4linux -Fvvq
> Version 0.10.1-CVS starting
> plugin_cfg.c: Variable tick = '500' (500)
> [KVV] Using station 89
> [KVV] Using default port 80
> [KVV] Using default refresh interval of 60 seconds
> [KVV] Default abbreviation setting: off
> lcd4linux.c: initializing driver Crystalfontz
> Crystalfontz: $Revision: 1.47 $
> Crystalfontz: using model '635'
> Crystalfontz: using port '/dev/ttyUSB0' at 115200 baud
> Crystalfontz: display identifies itself as 'CFA635:h1.0,v1.4'
> Crystalfontz: display type 'CFA635', hardware version 1.0, firmware
> version v1.4
> Crystalfontz: reserving 4 of 8 user-defined characters for icons
> Crystalfontz: using 4 GPI's and 12 GPO's
> initializing layout 'Default'
> lcd4linux.c: starting main loop
>
> Can anyone see what I'm doing wrong... I know it's talking to the device
> as it gets cleared and I can change the brightness.
>
> Thanks in advance for your help!
>
> Mike
>