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Re: [Discuss-gnuradio] DB EEPROM location 0x20
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From: |
Josh Blum |
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Subject: |
Re: [Discuss-gnuradio] DB EEPROM location 0x20 |
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Date: |
Mon, 21 Feb 2011 10:19:02 -0800 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101208 Lightning/1.0b2 Thunderbird/3.1.7 |
On 02/20/2011 11:29 PM, Brett L. Trotter wrote:
> The card I'm looking at (an LFRX variant) has the proper checksum in
> 0x1F (0x17), but then byte 0x20 has 0x04 with the remaining data 0xFF
>
> I previously thought I understood 0x20 began the region where we could
> do what we wanted, but I'm now not so sure. If I was going to store some
> custom data, where does that region begin and what is the significance
> of the 0x04 in 0x20?
>
>
This may be helpful
http://code.ettus.com/redmine/ettus/projects/uhd/repository/revisions/master/entry/host/lib/usrp/dboard_eeprom.cpp
The only thing thats actually used is the checksum, and IDs. And the
rest is free to use.
-josh
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