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serial communication protocol analyze

awe320

Jul 23, 2013
2
Joined
Jul 23, 2013
Messages
2
Hi,
I hope this is the right forum for my question but i really need some help.

I have a video camera with a remote control that connected through special cable.
i want to copy some command from the remote and write a software that send these commands to the camera, basically i want to control the camera with a software and without the remote.
i know how to write the software but i cannot figure out how to analyze the data.
the manual explains the cable pinouts:
1- CAM DATA (H)
2- CAM DATA (C)
3- CAM CONT (H)
4- CAM CONT (C)

however i managed to operate the remote with only 3 wires by connecting 1 and 3 together.
- i do not know any data about the connection, whether its 232, 422 or 485.
- i do not know the baud rate, stop bits etc.
- i know it can work with 3 wires
- i know it work even with 200m cable.
- the communication between the camera and remote is bi-directional

can anyone please tell me where to start and what are my chances?

Thanks a lot for any help. :confused:
 

gorgon

Jun 6, 2011
603
Joined
Jun 6, 2011
Messages
603
How about to start with telling us what type of camera we are supposed to know this about?
 

awe320

Jul 23, 2013
2
Joined
Jul 23, 2013
Messages
2
the camera- panasonic AG-HPX255
the remote- AG-EC4GPJ

Thanks
 
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