[Lcdproc] Re: lcdproc-0.5.1 and serialized HD44780 on k-data wake-up 2.0 module

[Matteo Pillon]

Hi Frank,

On Thu, Feb 01, 2007 at 09:48:20AM +0100, Frank Jepsen wrote:
> I wrongly thought Waittime is something like my RefreshDisplay from my 
> original patch:
> RefreshDisplay=5
> # Force full refresh of display every 5 seconds.
> # Default: 0 (no forced refreshs)
> 
> [...]
> 
> But perhaps this option is a good thing as a workaround in cases where 
> you can't garantee 0% data transfer errors due to long cables, bad 
> firmware etc.
> 
> A KeepAlive option which sends a NOP every now and then would also be 
> nice. It is like a watchdog function. So the external device can see if 
> the LCDproc software or the PC is still working properly, which was the 
> reason for the timeout in my firmware. As NOP you can perhaps use a 
> refresh of just one character in the upper left corner. This should be 
> compatible with all connection types and can be implemented at the same 
> position as RefreshDisplay.

You're right, we should implement both...
Maybe the RefreshDisplay from your patch could be easly ported...
Next week, I'll look if it can be done and start working on keepalive.

Bye.

-- 
 * Matteo Pillon
   http://hydra.ilc.pd.it/~pmatthew