[Elphel-support] Script for changing the SADDR bit for the MT9P031 sensor

[Frederick Gamache]

Hello Oleg,

Question: does the software needs to reach the  34VL02 EEPROM at any point?
Because I don't have one on my own sensor board...

Fred

On Thu, Mar 8, 2018 at 4:11 PM, Frederick Gamache <
frederick.gamache at gmail.com> wrote:

> Thanks a lot!
>
> I will make some tests and I'll keep you posted.
>
> Regards,
> Fred
>
> On Thu, Mar 8, 2018 at 4:09 PM, Oleg <support-list at support.elphel.com>
> wrote:
>
>> Frederick,
>>
>> 1. Here are the files: https://community.elphe
>> l.com/files/393/20180308_test_0x5d/
>>
>> 2. Before copying - boot from the card and check the linux version:
>>
>>> root at elphel393:~# uname -r
>>> 4.9.0-xilinx-v2017.3
>>
>>
>> * If it's 4.9.0-xilinx-v2017.3 then copying only devicetree.dtb and
>> uImage might be enough - they are on the FAT partition of the card.
>> * In case of fail if you use minicom (or putty or other serial terminal
>> program) there will be some kind of a kernel panic.
>>
>> 3.
>> My bootlog for 0x5d:
>>
>>> ...
>>> [   21.692018] {0} Setting i2c_addr to 0x5d
>>> [   21.696039] Read i2c (port = 0, sa7=0x5d, reg=0x0) chip ID=ffff
>>> ...
>>> [   21.747074] {1} Setting i2c_addr to 0x5d
>>> [   21.756495] Read i2c (port = 1, sa7=0x5d, reg=0x0) chip ID=ffff
>>> ...
>>> [   21.807904] {2} Setting i2c_addr to 0x5d
>>> [   21.817282] Read i2c (port = 2, sa7=0x5d, reg=0x0) chip ID=ffff
>>> ...
>>> [   21.868874] {3} Setting i2c_addr to 0x5d
>>> [   21.878291] Read i2c (port = 3, sa7=0x5d, reg=0x0) chip ID=ffff
>>
>> ...
>>
>>
>> bootlog for 0x48 (2 sensors connected):
>>
>>> ...
>>
>> [   21.607985] {0} Setting i2c_addr to 0x48
>>> [   21.612007] Read i2c (port = 0, sa7=0x48, reg=0x0) chip ID=1801
>>> [   21.617888] Found MT9P001 2592x1944 sensor, chip ID=1801
>>> [   21.674977] {1} Setting i2c_addr to 0x48
>>> [   21.684454] Read i2c (port = 1, sa7=0x48, reg=0x0) chip ID=1801
>>> [   21.690690] Found MT9P001 2592x1944 sensor, chip ID=1801
>>> [   21.747575] {2} Setting i2c_addr to 0x48
>>> [   21.757033] Read i2c (port = 2, sa7=0x48, reg=0x0) chip ID=ffff
>>> ...
>>> [   21.808291] {3} Setting i2c_addr to 0x48
>>> [   21.817738] Read i2c (port = 3, sa7=0x48, reg=0x0) chip ID=ffff
>>> ...
>>
>>
>> Best regards,
>> Oleg Dzhimiev
>> Electronics Engineer
>> phone: +1 801 783 5555 x124 <(801)%20783-5555>
>> Elphel, Inc.
>>
>
>
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