Reading NMEA Messages

ArduCopter
1

Hello, I am using an indoor navigation system (marvelmind technology), the beacon sends NMEA messages to pixhawk through GPS pins. I want to read these NMEA messages from mission planner. any help

2

Hi, I have never tried but if you are using marvelmind feeding it to telemetry/serial port then I strongly beleive this technique will help https://ardupilot.org/copter/docs/common-serial-passthrough.html

3

thanks for replying.

Have you work with marvelmind?. what type of project u have done?. this is my email : mahmoud@graduate.utm.my if you share with me i will appreciate that because I have some issues need to solve in integration marvelmind with pixhawk.

4

I have not done anything with marvelmind but NMEA format and GPS messages. About your problem, I think you just need to play around with those settings for serial pass through. Another way to try is, if your are working with Serial/Uart interface, just keep your configuration with you autopilot and also connect the TX of marvelmind to RX of the Uart to USB board to “sniff” the signal.

5

sorry for the late response, I was working on it but that’s what I got

nmea
nmea826×319 30.8 KB

On the Ardupilot page, it said " You can send NMEA (GPS) output to the serial port. Press control-g and you will get a box asking for a comport and baud rate to output standard NMEA data at 2 Hz, to any serial port. One application would be to use com2com to emulate a serial port to use with third-party applications. "

what I did :

  • disconnect the connection between the mission planner and telemetry
  • click CTRL+G
  • choose telemetry port
  • BaudRate 57600
  • 2 Hz
    and I didn’t get any output on the console.
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