RE: [Lcd4linux-devel] RE: [lcd4linux] problem with i2c connected LCD display

[Luis.F.Correia <Lui...@se...>]

Hi!

We'll wait for your return home :)

p.s. i'll be away for the weekend, so I'll probably not be able
to produce any help.

Luis

 

> -----Original Message-----
> From: paul kamphuis [mailto:pau...@xs...] 
> Sent: Friday, February 11, 2005 3:17 PM
> To: lcd...@li...
> Subject: Re: [Lcd4linux-devel] RE: [lcd4linux] problem with 
> i2c connected LCD display
> 
> Yes, I have seen that one. Good you bring it up.
> Isn't the diagram exactly showing where the problem is?
> In the 'past' a User-space Program could talk directly to 
> i2c-dev using 
> the i2c_smb functions.
> Now it should go through a client.
> The question now is: is the pcf8574 kernel module the client 
> or a driver?
> 
> Paul
> 
> PS:  I did a quick test. Changing the i2c_smb_write functions to an 
> ordinary write function and
> opening /sys/bus/i2c/0-0026/write as the device file.
> lcd4linux starts normal (starting main loop)
> The big question remains. Do I have a working display? I 
> wouldn't know. 
> I am at work, and the display is at home. So it is going to be a 
> surprise for me later today. :-)
> 
> 
> 
> 
> Luis.F.Correia wrote:
> 
> >Hi!
> >
> >Just a small sidenote :
> >
> >This diagram explains how it can be implemented.
> >http://secure.netroedge.com/~lm78/docs.html
> >
> >Luis
> >
> >  
> >
> 
> 
> -------------------------------------------------------
> SF email is sponsored by - The IT Product Guide
> Read honest & candid reviews on hundreds of IT Products from 
> real users.
> Discover which products truly live up to the hype. Start reading now.
> http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click
> _______________________________________________
> Lcd4linux-devel mailing list
> Lcd...@li...
> https://lists.sourceforge.net/lists/listinfo/lcd4linux-devel
>