[irda-users] Re: IrDA performance with Nokia

[Jean T. <jt...@bo...>]

On Sat, Aug 23, 2003 at 11:54:38AM +0200, Schweizer Walter wrote:
> Hi Jean
> 
> Thanks for your help. We now have Nokia reliably running.
> The IrDA driver is running compiled in.
> I used all your patches up to 2.4.22pre.
> 
> Now we are working on problems with other handsets.
> SonyEricson need reduced baudrate and then also look ok.

	In theory, you can keep the bitrate if you decrease the window.

> Now we fight with the Samsungs. They are very fast, when we get
> connection but starting up IrDA often fails. Irlap complains.
> Is the phone buggy?
> Can I set any parameter to work around this problem?
> 
> Regards
> Walter
> 
> Here is a log:
> There are two tries. The first fails and the second succeds.
> 
> WebConnection status: 2
> Assertion failed! irlap.c:irlap_generate_rand_time_slot:664 (S - s) > 0
> Assertion failed! irlap.c:irlap_discovery_indication:582 discovery != NULL
> Assertion failed! irlap.c:irlap_discovery_indication:582 discovery != NULL
> Assertion failed! irlap.c:irlap_discovery_indication:582 discovery != NULL
> WebConnection status: 2
> Assertion failed! irlap.c:irlap_discovery_indication:582 discovery != NULL
> WebConnection status: 2

	Wow ! That's quite interesting. I would love to see the
irdadump, I suspect the discovery frames are buggy.
	Thanks...

	Jean