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    UART wiring for Sipy to FOCA converter

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    sipyserial
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    • V Offline
      Vercellotti
      last edited by

      I would greatly appreciate your assistance.

      I am trying to connect my Sipy to Windows PC via a Foca USB to Serial converter. I just cant seem to get it to work.

      A few questions:

      1. The output pins on the converter are VCC, GND, TX, RX and DTR. To which pin on the Sipy do I connect the DTR output to?
      2. My current connections are:
      • VCC to VCC
      • GNV to GNV
      • TX to RX
      • RX to TX
      • DTR to RTS (pin 11)

      I am using Putty to connect. I get to the terminal screen but the cursor stays solid green.

      1. A previous program is running and the unit is flashing blue every 4 seconds

      How do I get the Serial comms working.

      Much appreciated.

      robert-hhR 1 Reply Last reply Reply Quote 0
      • RobTuDelftR Offline
        RobTuDelft
        last edited by

        I don't know about the DTR pin, I don't think you need it.

        Did you install the drivers?

        Without data you're just another person with an opinion.
        Hackster | About me

        1 Reply Last reply Reply Quote 0
        • robert-hhR Offline
          robert-hh @Vercellotti
          last edited by

          @Vercellotti
          a) You must set Putty to "No flow control", 8 N 1
          b) Try to exchange RX/TX. (RX to Rx, TX to TX). The labeling is sometimes swapped.
          c) And yes, you do not need DTR.

          1 Reply Last reply Reply Quote 0

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