[mythtv-users] VFD Display

Mark Bell markb at pilgrim.com
Tue Mar 27 03:04:00 UTC 2007


> >
> > Not sure I agree, I too found this error, and using the standalone
> driver from
> > http://venky.ws/projects/imon/#standalone
> > dated March 2005, it seems to have almost no chance of building as
> looking
> > through its code its heavily based on devfs.  Do you have a newer
> version
> > somewhere?  The lirc_imon driver with lirc is much newer, that's why
I
> > suggested it.
> 
> Sorry for not posting full information - I just check my old imon_vfd
> build directory, and had commented out the old devfs stuff - only I
> had forgotten this useful snippet. The diff to the original is:
> 
> 
> [root at homer imon]# diff -u imon_vfd.c.orig imon_vfd.c
> --- imon_vfd.c.orig     2006-05-21 17:15:49.000000000 +0100
> +++ imon_vfd.c  2006-05-21 17:16:57.000000000 +0100
> @@ -119,7 +119,6 @@
>  /* VFD file operations */
>  static struct file_operations vfd_fops = {
> 
> -       .owner          = THIS_MODULE,
>         .open           = &vfd_open,
>         .write          = &vfd_write,
>         .release        = &vfd_close
> @@ -144,7 +143,6 @@
> 
>  /* USB Device data */
>  static struct usb_driver imon_driver = {
> -       .owner          = THIS_MODULE,
>         .name           = MOD_NAME,
>         .probe          = imon_probe,
>         .disconnect     = imon_disconnect,
> @@ -159,7 +157,6 @@
>  static struct usb_class_driver imon_class = {
>         .name           = DEVFS_NAME,
>         .fops           = &vfd_fops,
> -       .mode           = DEVFS_MODE,
>         .minor_base     = VFD_MINOR_BASE,
>  };
>  #endif
> 
> 
> This built and I'm still using it on Fedora Core 4, kernel 2.6.14. Not
> tried building it on any newer kernels, however.
> 
> Nick
> --
> MythTV Official wiki:
> http://mythtv.org/wiki/
> MythTV users list archive:
> http://www.gossamer-threads.com/lists/mythtv/users
> 
> "An investment in knowledge always pays the best interest." - Benjamin
> Franklin
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[Mark Bell] 


I am extremely puzzled to the point of giving up.

Brian,
I just installed LCDproc-0.5.1 the whole installation went find.
Double checked all conf files for correct diver names and locations.
VFD responds to echo commands and the Client Server app. 

Mythtv will not display and a reboot tells me.
*Starting Service LCDd: imon: Error opening /dev/lcd0 (no such file or
*directory}
*Imon: Did you load the iMon VFD kernel Module?
*Driver [imon] init failed, return code <0
*Could not load driver imon
*There is no output driver

Nick,
You told me a few posts back that I needed to install the stanalon VFD
module. I have made the changes to the imon_vfd.c and it would not
compile 
I even applied a patch the just makes those edits for you. 
Still nothing 


This all happening on MythDora 3.2 with 2.6.18-1.2257.fc5.smp.i686
Lirc .0.8.1 LCDproc-0.5.1

Anymore idea's before I throw my self off the roof.

I really appreciate your help and patience with me

Mark



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