1) 2.5 mm audio cable has 2 wires. Which are connected to what? 2) Do you
trigger camera from the external source, use camera trigger output or use
external signal to log in the camera ---- On Sun, 16 Dec 2018 18:35:17 -0800
Winston Zhang <winston.zh...@bst.ai> wrote ---- Hi elphel. 1. The 2.5mm
audio line connect to the trigger generated cable(can output the 5v pulse
voltage). 2. The trigger signal can be controlled by software. So We can
stop it. 3. The parameters can not be refresh when I change the trigger
page parameter(many many times). But may be it works some time. So I load the
parameters which was saved some day. This is a big problem, it waste much time
to save parameter. -----------------------------------------------------------
Best Regrad! Yicheng-Zhang Email: winston.zh...@bst.ai Tel: 18516291005
Black Sesame Technologies (Shanghai) Co., Ltd. www.bst.ai Rm 1102-1108,
Bldg36, No.2777, East Jinxiu Rd, Pudong District, Shanghai, China 发件人： Elphel
Support 发送时间： 2018-12-17 10:12 收件人： Winston Zhang; Elphel List 抄送： Qiao Yan;
David Zhang; Qun Gu; Tao Zhang 主题： Re: [Elphel-support] 答复: 答复: 答复: 答复: 答复:
sync stereo with lidar Hello Winston, 1. I still do not understand - what cable
do you use? 2. "But I stopped the trigger board signal" - what exactly do you
mean by that? Disconnected cable, changed some parameter (which one, how?) 3.
"that parameters can not be saved when I change the trigger parameter" - Does
the camera continue to work - http://192.168.0.39:2323/pointers (put your ip)
increment frame number when you refresh? Andrey ---- On Sun, 16 Dec 2018
17:39:26 -0800 Winston Zhang <winston.zh...@bst.ai> wrote ---- Hi, Oleg I
just tested the method 1. However, When I set the parameter TRIG_OUT = 0x00 and
applied it, all the parameters could not save(Test it many times). So I removed
the external signal line, and tested all of these, it made works. The frame num
stopped growing. Another question is that parameters can not be saved when
I change the trigger parameter(I remove the autoparameter*.* file in
etc/elphel393), but other parameters probably can be saved success. Can you
have other suggestion?
----------------------------------------------------------- Best Regrad!
Yicheng-Zhang Email: winston.zh...@bst.ai Tel: 18516291005 Black Sesame
Technologies (Shanghai) Co., Ltd. www.bst.ai Rm 1102-1108, Bldg36, No.2777,
East Jinxiu Rd, Pudong District, Shanghai, China 发件人： Oleg 发送时间： 2018-12-13
03:44 收件人： winston.zh...@bst.ai 抄送： david.zh...@bst.ai; qiao....@bst.ai;
tao.zh...@bst.ai; Qun Gu; elphel support-list 主题： Re: [Elphel-support] 答复: 答复:
答复: 答复: 答复: sync stereo with lidar Hello, In the link you used the internal
trigger generator is working and is routed out to the sync cable (which is
probably self-looped - input and output wires are connected): Try: 1. Set
TRIG_OUT=0x0 to stop internal pulses at the sync cable output: # old link:
http://192.168.0.9/parsedit.php?sensor_port=0&immediate&TRIG_CONDITION=0x95555&TRIG_OUT=0x66555&TRIG_PERIOD=100000000&TRIG=4
# new link:
http://192.168.0.9/parsedit.php?sensor_port=0&immediate&TRIG_CONDITION=0x95555&TRIG_OUT=0x0&TRIG_PERIOD=100000000&TRIG=4
or 2. If the sync cable inputs and outputs connected. Disconnect the wires
from each other and apply your trigger source: signal or "+" - to Black wire,
ground or "-" - to Green wire. Please, check the wire colors and pinout here.
Let us know if that worked. Thanks. I'll update our docs to make them clear.
Best regards, Oleg Dzhimiev Electronics Engineer phone: +1 801 783 5555 x124
Elphel, Inc. On Tue, Dec 11, 2018 at 9:04 PM Winston Zhang
<winston.zh...@bst.ai> wrote: Hi, Andrey! Thany you for your patience to
answer our questions! I have some new questions about external trigger.
When I set the trigger parameter as the page
http://192.168.0.9/parsedit.php?sensor_port=0&immediate&TRIG_CONDITION=0x95555&TRIG_OUT=0x66555&TRIG_PERIOD=10000000&TRIG=4,
and I made the trigger board pulsing out the signal(10HZ), I found we could
get 10 images. But I stopped the trigger board signal, I also could update the
image(10hz). I wanted to konw that how can I test the external trigger signal
work? Because when i stop external source trigger signal, it could receive
images too. ----------------------------------------------------------- Best
Regrad! Yicheng-Zhang Email: winston.zh...@bst.ai Tel: 18516291005 Black
Sesame Technologies (Shanghai) Co., Ltd. www.bst.ai Rm 1102-1108, Bldg36,
No.2777, East Jinxiu Rd, Pudong District, Shanghai, China 发件人： Oleg 发送时间：
2018-09-19 02:38 收件人： david.zh...@bst.ai 抄送： winston.zh...@bst.ai;
tao.zh...@bst.ai; Qun Gu; elphel support-list 主题： Re: [Elphel-support] 答复: 答复:
答复: 答复: 答复: sync stereo with lidar Hello, Here are a couple commands (in linux)
that can help to check and sync the system clock: - Compare PC and camera
clock: ~$ ssh root@192.168.0.9 date;date -u - Write PC time into camera clock:
~$ ssh root@192.168.0.9 "date -s @`( date -u +"%s" )` && hwclock -w" After
setting the system clock check if the time survives the reboot. If it does not
- then please update the firmware to 20180511. There was a bug in the clock
driver we had to fix a while ago. Regards, Oleg On Mon, Sep 17, 2018 at 11:27
PM David Zhang <david.zh...@bst.ai> wrote: Hi, Andrey, We use default
configuration(TRIG=4 and TRIG_PERIOD=25000000). Is that OK? And now our
situation is there are timestamps in EXIF header. But it is not the kernel's
system time. e.g. the timestamp in EXIF may be 2018/09/14 but actually system's
date is 2018/09/18. How can i fix it? Thanks. Best, David 发件人: Elphel Support
<support-list@support.elphel.com> 发送时间: 2018年9月18日 10:03:19 收件人: Winston Zhang
抄送: Winston Zhang; Tao Zhang; Qun Gu; David Zhang 主题: Re: [Elphel-support] 答复:
答复: 答复: 答复: sync stereo with lidar Winston, What trigger settings do you use
( https://wiki.elphel.com/wiki/Trigger_393 )? Trigger 393 - ElphelWiki -
wiki.elphel.com wiki.elphel.com Description. 10389 board is required. The
triggering is used for one or several cameras synchronization or setting the
frame rate (or fps). The conditions of the trigger can be generated either
internally or externally. Camera channels should be in triggered mode (TRIG=4)
and have correct TRIG_PERIOD. Then all channels will be exactly synchronized.
If you set TRIG_PERIOD to some "even" number (like exactly 10fps with
TRIG_PERIOD=10000000), then timestamps will have all digits but seconds and
tenths of a second the same for all frames. Andrey ---- On Mon, 17 Sep 2018
18:31:26 -0700 <winston.zh...@bst.ai> wrote ---- Hi, Andrey! I captured
some images form camera with the timestamp image name. This timestamp was the
same with camera system timestamp. And the other way, each image had its exif
information that contained the real timestamp. But this timestamp from exif
information was not the same with system timestamp. So can you provided some
detials about where was the exif timestamp from. And how did i do can solve
this problem. (i had synchronized the camera system time with the GPS
timestamp.) ----------------------------------------------------------- Best
Regrad! Yicheng-Zhang Email: winston.zh...@bst.ai Tel: 18516291005 Addr:
707 room, 7th floor, building 4th, No.1761, Zhangdong road, Pudong area 发件人：
Oleg 发送时间： 2018-05-12 06:32 收件人： Winston Zhang 抄送： Tao Zhang; Qun Gu; David
Zhang; elphel support-list 主题： Re: [Elphel-support] 答复: 答复: 答复: 答复: sync stereo
with lidar Winston, I could get the info from the 192.168.0.9:2323. This web
could help me to get some information. But if I tried the
http://192.168.0.9:2323/timestamp_name, the timestamp file saved web did not
appear. How did I use it? http://192.168.0.9:2323/pointer_value/img Try the
following: 1. get diagnostics.php 2. copy to 192.168.0.9:/www/pages/ 3. In the
browser open: view-source:http://192.168.0.9/diagnostics.php?pointers You
will get xml output similar to this one: <?xml version='1.0' standalone='yes'?>
<Document> <camera ip='192.168.0.9'> <port index='0' sensor='mt9p006, none,
none, none' mux='none'> <timestamps> ... <ts
frame='7290' ts='1526075540.347616' ptr='pointer_value'>1526075540.347616</ts>
... Take the pointer_value from the last <ts> for a particular port. Don't
forget to add "/img" or "/bimg". If something does not work. Please send me
your xml. Best regards, Oleg Dzhimiev Electronics Engineer phone: +1 801 783
5555 x124 Elphel, Inc. _______________________________________________
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