Multi camera system operation - Revision history

Oleg at 00:23, 4 August 2020

2020-08-04T00:23:23Z

@@ Line 8: / Line 8: @@
 * record button - starts recording on raw paritions (camera internal)
 * snapshot button - saves a zip archive to host pc
 ===Howto===

2020-08-04T00:08:00Z

scripts for downloading from internal SSD (via eSATA)

← Older revision		Revision as of 00:08, 4 August 2020
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	~$ ssh-copy-id root@192.168.0.39		~$ ssh-copy-id root@192.168.0.39
	~$ ssh-copy-id root@192.168.0.38		~$ ssh-copy-id root@192.168.0.38
	~$ ~~python3~~ int_ssd_download.py -h		~$ python2 int_ssd_download.py -h
	# Download 100GB from each		# Download 100GB from each
	~$ ~~python3~~ int_ssd_download.py -c root@192.168.0.39 -n 10 /path		~$ python2 int_ssd_download.py -c root@192.168.0.39 -n 10 /path
	~$ ~~python3~~ int_ssd_download.py -c root@192.168.0.38 -n 10 /path		~$ python2 int_ssd_download.py -c root@192.168.0.38 -n 10 /path
	This script:		This script:
	* creates a UID (/path/UID) directory, where UID - ID of the SSD		* creates a UID (/path/UID) directory, where UID - ID of the SSD

2020-08-04T00:07:06Z

← Older revision		Revision as of 00:07, 4 August 2020
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	==Recording==		==Recording==
	Example for 2 cameras (2 X-Cams) - list comma-separated addresses in the GET line:		# Example for 2 cameras (2 X-Cams) - list comma-separated addresses in the GET line:
	http://192.168.0.39/multicam/?ip=192.168.0.39,192.168.0.38		http://192.168.0.39/multicam/?ip=192.168.0.39,192.168.0.38
			# LWIR + XCAM
			http://192.168.0.36/multicam/?ip=192.168.0.36,192.168.0.38

	* tests button to get some diagnostics		* tests button to get some diagnostics
	* record button - starts recording on raw paritions (camera internal)		* record button - starts recording on raw paritions (camera internal)

2018-08-11T00:30:08Z

scripts for downloading from internal SSD (via eSATA)

← Older revision		Revision as of 00:30, 11 August 2018
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	* creates a UID (/path/UID) directory, where UID - ID of the SSD		* creates a UID (/path/UID) directory, where UID - ID of the SSD
	* switched the SSD to eSATA port		* switched the SSD to eSATA port
	Note: Essentially the script does ''dd''. If there is no eSATA cable it's possible to run dd over network.		Note: Essentially the script does ''dd''. If there is no eSATA cable it's possible to run dd over network. Something like:
			ssh root@192.168.0.39 "dd if=/dev/sda2 bs=20M count=10 \| gzip -1 -" \| dd of=image.bin.gz

	===scripts for extraction===		===scripts for extraction===

2018-08-10T23:45:54Z

scripts for downloading from internal SSD (via eSATA)

← Older revision		Revision as of 23:45, 10 August 2018
Line 43:		Line 43:
	* creates a UID (/path/UID) directory, where UID - ID of the SSD		* creates a UID (/path/UID) directory, where UID - ID of the SSD
	* switched the SSD to eSATA port		* switched the SSD to eSATA port
			Note: Essentially the script does ''dd''. If there is no eSATA cable it's possible to run dd over network.

	===scripts for extraction===		===scripts for extraction===

2018-08-10T23:43:02Z

scripts for downloading from internal SSD (via eSATA)

← Older revision		Revision as of 23:43, 10 August 2018
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	===scripts for downloading from internal SSD (via eSATA)===		===scripts for downloading from internal SSD (via eSATA)===
	* Get [https://git.elphel.com/Elphel/elphel-tools-x393 int_ssd_download.py]:		* Get [https://git.elphel.com/Elphel/elphel-tools-x393 int_ssd_download.py]:
			~$ ssh-copy-id root@192.168.0.39
			~$ ssh-copy-id root@192.168.0.38
	~$ python3 int_ssd_download.py -h		~$ python3 int_ssd_download.py -h
	# Download 100GB from each		# Download 100GB from each
	~$ python3 int_ssd_download.py -c root@192.168.0.39 -n 10 /path		~$ python3 int_ssd_download.py -c root@192.168.0.39 -n 10 /path
	~$ python3 int_ssd_download.py -c root@192.168.0.38 -n 10 /path		~$ python3 int_ssd_download.py -c root@192.168.0.38 -n 10 /path
	~~The~~ script ~~automatically~~ creates a UID (/path/UID) directory, where UID - ID of the SSD		This script:
			* creates a UID (/path/UID) directory, where UID - ID of the SSD
			* switched the SSD to eSATA port

	===scripts for extraction===		===scripts for extraction===

2018-08-10T23:41:00Z

@@ Line 2: / Line 2: @@
 Example for 2 cameras (2 X-Cams) - list comma-separated addresses in the GET line:
   http://192.168.0.39/multicam/?ip=192.168.0.39,192.168.0.38
 * record button - starts recording on raw paritions (camera internal)
 * snapshot button - saves a zip archive to host pc
 ==Download footage==

2018-08-10T23:27:34Z

raw partition write pointer position

← Older revision		Revision as of 23:27, 10 August 2018
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	Device Start LBA Current LBA End LBA		Device Start LBA Current LBA End LBA
	/dev/sda2 12500992 38196200 250068992		/dev/sda2 12500992 38196200 250068992

			How much is written:
			''(Current - Start)*512/2^30'' GB

	===scripts for downloading from internal SSD (via eSATA)===		===scripts for downloading from internal SSD (via eSATA)===
	* Get [https://git.elphel.com/Elphel/elphel-tools-x393 int_ssd_download.py]:		* Get [https://git.elphel.com/Elphel/elphel-tools-x393 int_ssd_download.py]:

2018-08-10T23:25:41Z

← Older revision		Revision as of 23:25, 10 August 2018
Line 2:		Line 2:
	Example for 2 cameras (2 X-Cams) - list comma-separated addresses in the GET line:		Example for 2 cameras (2 X-Cams) - list comma-separated addresses in the GET line:
	http://192.168.0.39/multicam/?ip=192.168.0.39,192.168.0.38		http://192.168.0.39/multicam/?ip=192.168.0.39,192.168.0.38
			* record button - starts recording on raw paritions (camera internal)
			* snapshot button - saves a zip archive to host pc

	==Download footage==		==Download footage==
Line 10:		Line 12:
	Device Start LBA Current LBA End LBA		Device Start LBA Current LBA End LBA
	/dev/sda2 12500992 38196200 250068992		/dev/sda2 12500992 38196200 250068992
	===scripts for downloading===		===scripts for downloading from internal SSD (via eSATA)===
			* Get [https://git.elphel.com/Elphel/elphel-tools-x393 int_ssd_download.py]:
			~$ python3 int_ssd_download.py -h
			# Download 100GB from each
			~$ python3 int_ssd_download.py -c root@192.168.0.39 -n 10 /path
			~$ python3 int_ssd_download.py -c root@192.168.0.38 -n 10 /path
			The script automatically creates a UID (/path/UID) directory, where UID - ID of the SSD

			===scripts for extraction===
			* Get [https://git.elphel.com/Elphel/eyesis4pi-393-gui/blob/master/footage_downloader/split_mov_jp4.php split_mov_jp4.php]. It takes channel shift as argv[1] when splitting. Example:
			~$ cd /path/UID-of-192.168.0.39
			~$ /path-to-script/split_mov_jp4.php 0
			~$ cd /path/UID-of-192.168.0.38
			~$ /path-to-script/split_mov_jp4.php 4

	[[Category:393]]		[[Category:393]]

2018-08-10T23:03:34Z

← Older revision		Revision as of 23:03, 10 August 2018
Line 1:		Line 1:
	==Recording==		==Recording==
	Example for 2 cameras - list comma-separated addresses in the GET line:		Example for 2 cameras (2 X-Cams) - list comma-separated addresses in the GET line:
	http://192.168.0.39/multicam/?ip=192.168.0.39,192.168.0.38		http://192.168.0.39/multicam/?ip=192.168.0.39,192.168.0.38

	==Download footage==		==Download footage==
	...		* /dev/sda1 - ext4
			* /dev/sda2 - raw
			===raw partition write pointer position===
			root@elphel393:~# cat /mnt/sda1/camogm.disk
			Device Start LBA Current LBA End LBA
			/dev/sda2 12500992 38196200 250068992
			===scripts for downloading===

	[[Category:393]]		[[Category:393]]