netdev - Re: [7/8,RFC] CAIF Protocol Stack

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Message-ID: <4AD0B1D3.2060208@babic.homelinux.org>
Date:	Sat, 10 Oct 2009 18:09:55 +0200
From:	Stefano Babic <stefano.babic@...ic.homelinux.org>
To:	Sjur Brændeland <sjur.brandeland@...ricsson.com>
CC:	netdev@...r.kernel.org,
	Kim Lilliestierna XX <kim.xx.lilliestierna@...ricsson.com>
Subject: Re: [7/8,RFC] CAIF Protocol Stack

Sjur Brændeland wrote:
> Hi Stefano.

Hi Sjur,

>> Meanwhile, it seems some bytes are sent now to the physical interface.
>>
>> <caif_chropen:797, TRACE> [caif_chropen:797] WAIT FOR CONNECT
>> RESPONSE <caif_chropen:820, TRACE> caif_open: connect timed out 
>>
>> However, I get no connection, but probably this is another problem....
>>
> 
> Do you have a (ST-)Ericsson modem talking CAIF connected?
> The correct behavior is to wait for the CONNECT_RESPONSE, and time out.

Surely I have the best way to test a CAIF connection, even if I am not
aware of it ;).
I connected my target with an Ericsson Test Device "B26", that seems
suitable for this kind of test. I know very little about it, I can only
turn it on.
It has a debug port and I can see the debug output of the CAIF
connection in unformatted ASCII text (however, minicom formats this
output when I log the traces).

These strings should identify this device:

(00:01.894746) BuildInfo: Label: <CRH109940_R2F015> Variant:
<BRIDGE_CCPU_ACC_B26>
(00:01.894746) BuildInfo: Generated: 2007-08-07 15:00 by EMWJBON
(00:01.901973) Product  : <Ericsson Mobile Platform> Version: 0000
(00:01.908459) HW Setup : NOT SPECIFIED (Id:0xc8) IRDA: 0033 BT: 0035
RS232: 004A
(00:01.914875) Vendor   : <Ericsson> PNP: ERI USB: 0BDB BT: 0000

However, I am now able to start successfully a CAIF connection and I can
see the AT commands I send on the debug output of the B26.
On my target, I can get:

<caif_chropen:853, TRACE> [caif_chropen:853] CONNECTED

I see you sent a newer patchset and I will repeat my test with it.

Stefano

-- 
stefano <stefano.babic@...ic.homelinux.org>
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