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<https://wiki.elphel.com/wiki/Trigger_393> 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.zhang@bst<mailto:winston.zh...@blacksesame.com.cn>.ai Tel: 18516291005 Addr: 707 room, 7th floor, building 4th, No.1761, Zhangdong road, Pudong area 发件人: Oleg<mailto:support-list@support.elphel.com> 发送时间: 2018-05-12 06:32 收件人: Winston Zhang<mailto:winston.zh...@blacksesame.com.cn> 抄送: Tao Zhang<mailto:tao.zh...@blacksesame.com.cn>; Qun Gu<mailto:qun...@blacksesame.com>; David Zhang<mailto:david.zh...@blacksesame.com.cn>; elphel support-list<mailto:support-list@support.elphel.com> 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<http://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<https://git.elphel.com/Elphel/elphel-web-393/blob/master/src/diagnostics/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. _______________________________________________ Support-list mailing list Support-list@support.elphel.com<mailto:Support-list@support.elphel.com> http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com
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