Post 1 made on Wednesday February 15, 2012 at 21:42 |
Mattkoch Long Time Member |
Joined: Posts: | June 2008 169 |
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I am working with a 9 channel DVR (WPS-300-DVR-9CH) from Snap AV and need to control it via RS232 connection from Bitwise. I have the protocol from Snap but I don't hardly understand what I am looking at. I have attempted to decipher the code myself but can't get it right for some reason.
If anyone has any experience with this could give me a code so I at least have something to base the rest of the codes off of. I have been to their support site hoping to find a driver to pull the codes from but all they have is Elan and C4 drivers and I don't carry either so no software .
Any help would be appreciated...
THanks, Matt
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Post 2 made on Wednesday February 15, 2012 at 23:24 |
mark65 Long Time Member |
Joined: Posts: | November 2003 450 |
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I took a look at the ELAN driver. It doesn't appear to be complete. According the document each command is 5 HEX bytes long: Byte 1: Sync Byte (This is always FF) Byte 2: Device ID (needs to match the device id of the DVR 00-FF) Byte 3: Code (from the chart) Byte 4: Reserved (Always 00) Byte 5: Checksum (Sum of Bytes 2-4)
So the command for SEQ for DVR address 1 could beone of the following: FF 01 65 00 66 FF 31 65 00 96
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OP | Post 3 made on Wednesday February 15, 2012 at 23:30 |
Mattkoch Long Time Member |
Joined: Posts: | June 2008 169 |
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Mark,
Thank you for the help. I will give these a try and see what I come up with.
Matt
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