[Elphel-support] 353 Problem Mainboards
Oleg
support-list at support.elphel.com
Fri Aug 17 11:50:47 PDT 2018
Hello Linden,
000E64081C8B
> Boots up fine and I can access it on the network fine. The problem is with
> the interface to the image sensor. All that is available on bimg is a 1px x
> 1px white image. I have tried connecting this mainboard to a working sensor
> and there was no change in behavior, still a 1x1 bimg. I have also
> connected a working mainboard to this sensor and the sensor is working
> fine. So this points to an issue with the sensor interface on the 000E64081C8B
> mainboard.
>
telnet or http://192.168.0.9/phpshell.php, then
1. ~$ dmesg
> ...
The sensor clock set to 20000000
> removing MRST from the sensor
> trying MT9P001
> Found MT9P001 2592x1944 sensor, chip ID=1801
> trying MT9X001
> Resetting MT9X001 sensor
> Reading sensor registers to the shadows:
> Initializing MT9X001 registers with default values:
> arch/cris/arch-v32/drivers/elphel/quantization_tables.c:174:init_qtable_head_cache
>
2. ~$ fpcf -i2cr16 4800 100
It will just read sensor's registers:
> 004800: 1801 32 c 793 a23 1c2 284 2 0 15 0 0 0
> 0 0 0
> 004810: 50 6404 0 0 36 10 0 0 0 0 0 0 0
> 0 4006 0
> 004820: 40 0 0 0 2 0 0 b 0 480 1086 10 18
> 16 f 0
> 004830: 0 0 0 0 0 8 0 0 0 0 0 0 171d
> 5 8041 4
> 004840: 7 0 3 3 203 1010 1010 1010 10 a8 10 28 10
> 120f 1010 14
> 004850: 8000 7 8000 7 16 0 20 4 8000 7 4 1 5a
> 2d13 41ff 231d
> 004860: 13 13 0 1b 1b 0 0 0 0 cf ef ed ea
> f1 0 0
> 004870: ac a700 a700 c00 600 5617 6b57 6b57 a500 ab00 a904 a700 a700
> ff00 a900 0
> 004880: 22 1f04 0 1b06 1d08 0 1806 1a08 0 0 0 0 0
> 0 0 0
> 004890: 7d0 0 1 0 0 0 0 0 0 0 0 0 0
> 0 0 0
> 0048a0: 0 0 0 0 0 0 0 0 0 0 0 794 a24
> 2809 b3 49f5
> 0048b0: d6f0 ba9c ace6 fcf4 d8b6 fe6e fa7e f1f 4fd ac1 dff c87 fcf
> ff7 57d dea
> 0048c0: cff dfa 3ca b7a adb e97 bfa dcef e7ff dffe 187f 4957 eef3
> 7f79 6fad 37ff
> 0048d0: 68bc 7fad fedd fd3e fabb f263 2f7a 95de 3fcb faff ff33 9e9f f779
> cbf7 8b0d fe6d
> 0048e0: d9a6 ff3a fd7a 855d e85f a9fc dd4f 6e7f 2ebf fe71 7fef fffe 5cb7
> 71fd ecfc 11fd
> 0048f0: 0 0 0 0 0 0 0 0 1 0 e0b0 48cf 8068
> e118 0 1801
3. Check if write pointer is changing:
http://192.168.0.9:8081/pointers
4. Check if frame number is increasing:
http://192.168.0.9:8081/meta
5. http://192.168.0.9/parsedit.php?images=9:3:.2
If 1 & 2 do not fail. Try removing autocampars.xml? Sometimes it gets
corrupted for some reason.
000E64081CA1
> Won't boot at all, no LEDs on Ethernet port or switch it is connected to.
> I have done a visual inspection and cleaned the Ethernet port pins but no
> luck. I have also connected a working mainboard to this sensor and the
> sensor is working fine. So this points to an issue with the 000E64081CA1
> mainboard.
>
Hard to say. Need to have a look. I would check the serial console output
but it requires 10389.
I also have another camera that is producing color tinted images:
>
> https://drive.google.com/drive/folders/1bA6VOga8DPdiyhQXq7PWLPg5b7u-4L03?usp=sharing
> I had a look and the ZIF connector between the mainboard and sensor *may*
> have been loose. I am running some more tests on it but wondering if a
> loose connected would result in those tinted sample images.
>
It could have, yes.
> How should I proceed with the bad mainboards?
>
You can send them to us - we will inspect them and see what we can do.
Best regards,
Oleg Dzhimiev
Electronics Engineer
phone: +1 801 783 5555 x124
Elphel, Inc.
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