Custom POS solution needed

[gcelec 0]

I work with underwater robots(ROV's) and I'm looking for a way to log latitude and longitude of the vehicle with the video as it's being recorded. I can send the text to a tcp or udp port and was wondering if there's a way to do this using the POS feature on the DVR?

[jeromephone 6]

where is the lat long info being generated? is it a seperate data stream from the camera or is it getting it from on board gps etc?

[gcelec 0]

It's a pretty sophisticated GPS that lets you create data streams. You can select the IP address and port no that the data string is exported to. I don't know much about networking but I experimented with a couple of DVR's by setting the GPS data stream to the DVR's IP address and POS port but no data came through. I think there are various POS protocols that the DVR is looking for with rules for carriage returns etc. Maybe I need to get some code written that converts the GPS ASCII string to the protocol that the DVR will accept?

The alternative is a DVR that the underwater robotics industry uses like VisualDVR which is a 4U rack mount PC that costs about $12,000 + yearly license fees which is overkill for my purpose.

[ak357 0]

It's a pretty sophisticated GPS that lets you create data streams. You can select the IP address and port no that the data string is exported to. I don't know much about networking but I experimented with a couple of DVR's by setting the GPS data stream to the DVR's IP address and POS port but no data came through. I think there are various POS protocols that the DVR is looking for with rules for carriage returns etc. Maybe I need to get some code written that converts the GPS ASCII string to the protocol that the DVR will accept?

The alternative is a DVR that the underwater robotics industry uses like VisualDVR which is a 4U rack mount PC that costs about $12,000 + yearly license fees which is overkill for my purpose.

 

Hmm,

what if u use dash camera with GPS,

of course, u will have to make the camera waterproof:)

just idea

[gcelec 0]

A camera with GPS is an interesting idea except the GPS data is coming from a transmitter on the underwater robot, not an actual GPS. There is a GPS compass mounted to a pole on the side of the boat and on the bottom of the pole is an acoustic transceiver that transmits a ping to a responder mounted to the underwater robot. The offsets between the transceiver and the responder are calculated in relation to the GPS compass and the result is depth, latitude and longitude of the robot, which is what I need to record. Also, it would be preferable to log the position as a text file with the video rather than have it as just an OSD.

[jeromephone 6]

The POS data the comes from a cash register is serial data RS-485 or similiar. so that is different than a ethernet data stream that is why the pos on your nvr does not work how is that data used now? Is their something out their that will take digiatal data and convert to analog. I know you can do that video analog to digital.

[gcelec 0]

The DVR's I use have serial (rs485 or RS232) POS inputs as well as a setting to send the data to a TCP port over ethernet. I could get some software to take the ethernet POS data from the GPS and parse it to a serial port, but it would be a bit clunky.