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| serial port mux? http://www.interceptradio.com/bbs/viewtopic.php?f=20&t=5444 |
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| Author: | TechnoWeenie [ Sat Jun 18, 2011 4:12 pm ] |
| Post subject: | serial port mux? |
I have a BCT15, I have hardware serial port that's feeding NMEA data INTO my computer in the car. I also have another hardware serial port going TO the BCT15. I wanna be able to pipe the NMEA input to the other serial port, and be able to kill it for that 1% time that I'll be programming it or controlling it, without having to plug into the front port. So... basically, pipe data from COM1 to COM2.. NMEA----->COM1 -------> COM2 I tried Xport, but it looks like it can only create virtual ports, not forward to hardware ports. Suggestions? The only software I seem to find is $150 (ouch!) |
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| Author: | Rich [ Sat Jun 18, 2011 9:37 pm ] |
| Post subject: | Re: serial port mux? |
com0com might do it, but playing software/port pipe games is kinda silly considering you can usually get away with running a "Y" serial cable for unidirectional data that doesn't require flow control. The only other thing you would need is a small toggle switch to flip the TXD/RXD going toward the scanner to switch between receiving the GPS and programming. |
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| Author: | TechnoWeenie [ Sun Jun 19, 2011 11:21 am ] |
| Post subject: | Re: serial port mux? |
I ruled out GPSgate based on previous usage. Apparently they've added some features, including the one I need, and it's free :D |
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| Author: | SpudGunMan [ Thu Jun 23, 2011 3:37 pm ] |
| Post subject: | Re: serial port mux? |
the problem with com0com (spicifically hub4com) is that it only redirects to virtual ports (into the PC not OUT like you need for programming) as Rich said - because of flow control your stuck, make a y cable or just plug into the front cant have your cake and eat it too anywhoo that is what I found last time I tried to do something with this and my TNC/APRS/GPS setup I just gave up and purchased a TinyTNC for the APRS traffic |
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| Author: | TechnoWeenie [ Thu Jun 23, 2011 5:20 pm ] |
| Post subject: | Re: serial port mux? |
SpudGunMan wrote: the problem with com0com (spicifically hub4com) is that it only redirects to virtual ports (into the PC not OUT like you need for programming) as Rich said - because of flow control your stuck, make a y cable or just plug into the front cant have your cake and eat it too anywhoo that is what I found last time I tried to do something with this and my TNC/APRS/GPS setup I just gave up and purchased a TinyTNC for the APRS traffic I already have a TNC/Tracker, I'm splitting the NMEA from there to go into the computer for GPS nav. |
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| Author: | SpudGunMan [ Thu Jun 23, 2011 5:58 pm ] |
| Post subject: | Re: serial port mux? |
yea I was using an actual TNC problem was I couldnt put NEMA and serial data from the PC to read the packet as the TNC has one COM port |
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| Author: | TechnoWeenie [ Thu Jun 23, 2011 6:08 pm ] |
| Post subject: | Re: serial port mux? |
SpudGunMan wrote: yea I was using an actual TNC problem was I couldnt put NEMA and serial data from the PC to read the packet as the TNC has one COM port I'm running the tracker2 2 ports plus a radio port. Port A goes to the computer for KISS/packet, Port B is GPS in. There's a splitter going from the GPS unit to port B and to the computer. Like I said, I found GPSgate to do it. I would run a splitter, but I need to program/control the scanner when I'm not feeding it GPS data. A lot easier to click a button, switching inputs, to allow programming. I just didn't want to have to keep plugging something in the front ;) |
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