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Thread: GPS Overlay onto video

  1. #1
    Join Date
    Nov 2004

    Lightbulb GPS Overlay onto video


    what is the best way to output RR info such as gps speed and location (plus maybe time and date) out to a serial port?

    I am using a video recorder (yes a real one not a pc)
    A 12V one picked up off ebay for 10ukp and have the hardware to overlay text.

    My hardware uses a serial port for one way data to send text at any position using commands such as

    {A to clear the screen
    {Cxxyy to set the cursor position...... etc

    then you just send text as if using a terminal.

    before starting to write any software can you point me in the best direction. i know i can use a plugin to open the port but not sure how to send the data automaticly to be updated every x seconds.

    What do you (or anyone else) think?


  2. #2
    RoadRunner Mastermind
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    guino's Avatar
    Join Date
    Nov 2004
    Toronto, Canada
    The easiest thing would be to write a plugin or separate application that polls the information from RR and sends it to the serial port with the desired format. It's very easy to do that using the COM/ActiveX interface, but you'd have to handle the serial port on your own. There are sample projects with the sources of RR and there is also a FAQs on Interfacing with RR.
    Ride Runner RR's Myspace

    "Being happy is not about having what you want, it's about wanting what you have."
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  3. #3
    Join Date
    Nov 2004

    Thumbs up Thanks Guino


    I thought about coms with roadrunner before and glanced at the FAQ's and put it off.

    I have now sat down and read the FAQ's and readme and within 5 mins had a seperate application that read values from roadrunner.

    I think i was thinking it was going to be hard work but it was so simple.

    All I can say is Many Thanks (once again) for some excellent work Guino.

    Just need to write the whole app and will keep you posted.


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