From: e9hack <e9hack@googlemail.com>
To: linux-dvb@linuxtv.org
Subject: Re: [linux-dvb] Reverse enginnering using i2c protocol analysers
Date: Mon, 25 Aug 2008 22:49:52 +0200 [thread overview]
Message-ID: <48B31AF0.8070700@gmail.com> (raw)
In-Reply-To: <48B2C6DD.9040806@linuxtv.org>
Steven Toth schrieb:
> Robin Perkins wrote:
>> Does anyone have any experiences using i2c logic analysers to work out
>> how cards work ?
>>
>> Is it an effective reverse enginering method ?
>>
>> I was looking for them online but most of them seem pretty expensive
>> (~$4000) however I found the Total Phase Beagle
>> <http://www.totalphase.com/products/beagle_ism/> for about $300. Has
>> anyone else tried this adapter out ? (It appears to have software for
>> Linux, OS X and Windows which seems pretty good.)
>
> A parallel port on a spare linux box, two wires and a copy of lmilk does
> it for me. < $10.
I wasn't able to get lmilk to work. I've build my own cheep i2c-monitor
(http://www.vdr-portal.de/board/thread.php?postid=639818#post639818). It can record i2c
transmissions with a peak rate of 250kHz. The overall speed is limited by the serial
interface with a rate of 1.5MBaud. It isn't necessary to use a second PC to monitor a
windows driver.
- Hartmut
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next prev parent reply other threads:[~2008-08-25 20:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-23 6:10 [linux-dvb] Reverse enginnering using i2c protocol analysers Robin Perkins
2008-08-25 14:51 ` Steven Toth
2008-08-25 16:11 ` Steven Toth
2008-08-25 20:49 ` e9hack [this message]
2008-08-25 15:30 ` Markus Rechberger
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