[ivtv-users] How do you activate the HVR-1600 IR blaster?

[Josh Becigneul]

Steven Smith wrote:
> I used the lirc_i2c driver with mythdora 5.0 and it works fine.
>
>
> [root at localhost ~]# modinfo lirc_i2c
> filename:       
> /lib/modules/2.6.24.4-64.fc8/updates/drivers/lirc/lirc_i2c.ko
> license:        GPL
> author:         Gerd Knorr, Michal Kochanowicz, Christoph Bartelmus, 
> Ulrich Mueller, Stefan Jahn, Jerome Brock
> description:    Infrared receiver driver for Hauppauge and Pixelview 
> cards (i2c stack)
> depends:       
> vermagic:       2.6.24.4-64.fc8 SMP mod_unload 686 4KSTACKS
> parm:           minor:Preferred minor device number (int)
> parm:           debug:Enable debugging messages (bool)
>
Your Blaster works? I got as far as loading the card in a windows box 
and trying to duplicate the steps to enable debugging in the driver to 
see the I2C calls, but was unsuccessful.

I know the receiver works, but if the blaster works too, that'd be awesome.

Josh Becigneul
> --- On *Wed, 9/17/08, Andy Walls /<awalls at radix.net>/* wrote:
>
>     From: Andy Walls <awalls at radix.net>
>     Subject: Re: [ivtv-users] How do you activate the HVR-1600 IR blaster?
>     To: "User discussion about IVTV" <ivtv-users at ivtvdriver.org>
>     Date: Wednesday, September 17, 2008, 7:43 PM
>
>     On Wed, 2008-09-17 at 20:21 -0400, Rick wrote:
>     > Hi,
>     > 
>     > Since I can't pick up any more pvr-150's, I thought I'd
>     purchase an
>     > HVR-1600.  Is there a way, yet, to activate the IR blaster on the
>     > HVR-1600?  Would the method used for the pvr-150 work with this card?
>
>     Rick,
>
>     The IR chip and interface is in many ways the same between a PVR-150 and
>     an HVR-1600: a Zilog Z8 Encore family microcontroller responding to I2C
>     addresses
>      0x70-x073
>
>     I have attached a patch to the lirc_pvr150 driver, but not the lirc
>     build system nor the lirc_pvr150 "firmware".
>
>     Last reports on the lists (check the ivtv-user ivtv-devel, linux-dvb and
>     video4linux lists) is that this didn't work.  Likely because the real
>     firmware inside the Z8F0811 has changed.  This requires someone with a
>     Windows setup and the ability to set some debug variables in the windows
>     utilities to capture the traffic the Windows driver sends to the Z8
>     chip, and run Mark's scripts to build a new "firmware" file for
>     the
>     lirc_pvr150 driver.  The lirc_pvr150 driver actually works by using a
>     "replay attack" on the Z8F0811 sending it the same codes as the
>     Windows
>     driver does.
>
>
>     It's my long term plan to get this working (I need it myself circa Feb
>     2009).
>
>     It's my even longer term plan to replace the real firmware in the
>     Z8F0811 with some home grown open source stuff and
>      liberate myself (and
>     others) from Zilog's proprietary API,
>
>     Regards,
>     Andy
>
>
>     > Thanks,
>     > Rick
>
>
>               
>
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