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

Thu Mar 15 09:16:11 PDT 2018

Hi,

1. To check if camogm is alive:

> root at elphel393:~# ps | grep camogm

3059 root      267m S    camogm -n /var/state/camogm_cmd -p 3456 -s
> /mnt/sda1/camogm.disk
> 3081 root      2764 S    grep camogm

2. Check camogm status:
http://192.168.0.9/camogm_interface.php?cmd=status

3. Start manually (Normally it's started by camogmgui.php (linked from the
main page)):

> root at elphel393:~# camogm -n /var/state/camogm_cmd -p 3456

When started from a command line there should be some output when it
receives commands.

Regards,
Oleg

On Thu, Mar 15, 2018 at 9:50 AM, Elphel Support <
support-list at support.elphel.com> wrote:

> Frederick,
>
> A link to what?
>
> How were you starting camogm? Did it work before? How were you using it?
> How did it fail to load?
>
> Andrey
>
> ---- On Thu, 15 Mar 2018 08:31:29 -0700 *Frederick
> Gamache<frederick.gamache at gmail.com <frederick.gamache at gmail.com>>* wrote
> ----
>
> Another thing,
>
> After I tried pluging a USB drive through an hub, attached to the 10389B
> board, it seems that the camogm is failing to load, even after re-booting.
>
> Is there a link?
>
> Frederick
>
> On Thu, Mar 15, 2018 at 10:53 AM, Frederick Gamache <
> frederick.gamache at gmail.com> wrote:
>
> Andrey,
>
> The supply current drawn is nearly 2.0 Amps @ 3.3V, once the FPGA is
> loaded.
> I have the 10389 interface board but no SSD mounted and no external SATA
> drive attached at the moment.
>
> When I received the camera kit, I found that the unit was especially hot
> when touching it.
> I don't have the camera enclosure, but only an aluminium frame on which
> the boards are mounted. I guess that the frame serves as a heat sink at
> same time?
>
> For the power board failure, maybe I accidentally created a short when I
> plug/unplugged the wall adapter from the power board connector while the
> power adapter was plugged into the wall...
>
> It is hard to tell what component failed on the power board because many
> components are mounted underneath the Traco DC-DC converter itself...
>
> When I plug the 48 V source, no 3.3V appears at the output.
>
> Frederick
>
>
> On Thu, Mar 15, 2018 at 10:29 AM, Elphel Support <
> support-list at support.elphel.com> wrote:
>
> Hello Frederick,
>
> Do you know power consumption on the ports? Do you have 10389 interface
> board with the SSD? If you run camera from the 3.3V - can you measure the
> total 3.3V current? Do you have sufficient fan cooling or heat sink?
>
> We never had 10385 failures before - Traco DC-DC converter seems to have
> all required protection - current, temperature so we had the system shut
> down when overloaded, but not failed. We would like to try to find out -
> what component actually failed - is it DC-DC or something else.
>
> We do have a new power supply design (https://wiki.elphel.com/wiki/10386
> - temporary images are for 10385B), but it is not built yet., we just
> released the PCB design a few days ago.
>
> Andrey
>
> ---- On Thu, 15 Mar 2018 06:38:07 -0700 *Frederick Gamache
> <frederick.gamache at gmail.com <frederick.gamache at gmail.com>>* wrote ----
>
> Hi,
>
> Its seems that my power board (10385-B power board - 48V) is out of
> service and I'm now powering the 3.3V  from an external power supply.
> Do I really need the 10385-B power board to supply the SATA adapter board
> (10389-B) or should it works ok from my external 3.3V power source?
>
> Frederick
>
>
> On Wed, Mar 14, 2018 at 11:10 AM, Frederick Gamache <
> frederick.gamache at gmail.com> wrote:
>
> Hello Andrey,
>
> I owe at least this for your great support.
> By the way, congratulations for your great products!
>
> Best regards,
> Frederick
>
> On Wed, Mar 14, 2018 at 10:53 AM, Elphel Support <
> support-list at support.elphel.com> wrote:
>
> Frederick,
>
> Thank you for letting us know it did work. Sometimes the only indication
> of the problem being solved is the lack of the continuation in the thread.
>
> Andrey
>
> ---- On Wed, 14 Mar 2018 07:12:13 -0700 *Frederick Gamache
> <frederick.gamache at gmail.com <frederick.gamache at gmail.com>>* wrote ----
>
> Hello,
>
> Just to let you know guys that my circuit is now working since I mounted
> my DC-DC converter on my PCB.
>
> Many thanks for your support!
> Frederick
>
> On Tue, Mar 13, 2018 at 12:18 PM, Elphel Support <
> support-list at support.elphel.com> wrote:
>
> Frederick,
>
> Yes - your last problem (system getting stuck after bitstream) is caused
> by the wrong power sequencing. But as 1) you have 10338 working and 2) your
> board is tested w/o 10393 it should be working together eventually.
>
> Andrey
>
> ---- On Tue, 13 Mar 2018 07:48:42 -0700 *Frederick
> Gamache<frederick.gamache at gmail.com <frederick.gamache at gmail.com>>* wrote
> ----
>
> Hello Andrey,
>
> Normally I have a dc-dc converter chip on my pcb which translate 3.3V to
> 2.8V.
> The 3.3V source is provided by the cable attached to the 10393.
>
> I'll wait to receive my chip today and will install it tomorrow. I'll see
> if things will get better with it.
>
> Currently I'm using an external power supply to source the 2.8V voltage so
> I guess the timing for the power sequence is not ok.
>
> Frederick
>
> On Fri, Mar 9, 2018 at 5:51 PM, Elphel Support <
> support-list at support.elphel.com> wrote:
>
> Fred,
>
> Just to clarify: 10393 can drive up to ~1.0A, but there will be voltage
> drop on the cable (Elphel cables have thick power traces). Connector is
> rated 0.4A/pin. The sensor power is controlled by the script (same one that
> loads bitstream), power status/control is available over the sysfs
> interface.
>
> You may also put a buffer on all signals from the sensor, FPGA has
> flexible means to compensate pin delays if needed after the buffer
> insertion.
>
> Andrey
>
> ---- On Fri, 09 Mar 2018 14:26:50 -0800 *Elphel
> Support<support-list at support.elphel.com <support-list at support.elphel.com>>*
> wrote ----
>
> Frederick, you need to power you board either directly from the 10393 3.3V
> on the cable, or (if you board has other components that need more power
> than 10393 can provide) use external power switch driven by the cable power.
>
> The problem is that the cable goes directly to the FPGA port that should
> be powered _before_ any non-zero voltage appears on the FPGA pins. This is
> a feature of the FPGA.
>
> Andrey
>
> ---- On Fri, 09 Mar 2018 13:47:51 -0800 *Frederick Gamache
> <frederick.gamache at gmail.com <frederick.gamache at gmail.com>>* wrote ----
>
> I use TeraTerm.
>
> I receive something else than 0xffff, but it seam to be the same value for
> any register...
>
> Maybe I should check my power on my sensor chip.
>
> FPGA bitstream stalls, it doesn't initialize if I power on my sensor PCB.
>
> Fred
>
> On Fri, Mar 9, 2018 at 4:37 PM, Oleg <support-list at support.elphel.com>
> wrote:
>
> Hi,
>
>
> Question: does the software needs to reach the  34VL02 EEPROM at any point?
> Because I don't have one on my own sensor board...
>
>
> It should work fine without eeprom.
>
> Did it read chip id? or is it 0xffff? Do you use minicom or putty or other
> terminal program?
>
> Regards,
> Oleg
>
>
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