Hi,
Just a post to mention a discovery I just made after months of misbehavior: The Suntoo Moveslink (GPS watch software) application on Mac (not sure on Windows) keeps opening usb-serial ports, and may interfere with your Arduino.
Proof:
- I startup my Mac fresh, and let Moveslink start (it's a background service)
- I unload Apple VCP drivers to enable FTDI drivers
- I plug my Arduino via FTDI usb adapter
- I run 'lsof | grep usb' and find that the Moveslink process has opened /dev/tty.USBSERIALxxx
- Now, my Arduino software can no longer open the serial monitor, with message "port busy"
- I can no longer program my Arduino
Solution: Close Moveslink when working on Arduino projects. Everything comes back.
Long term solution: I will open a support issue with Suntoo team to resolve this one
Hope this helps the few of us who run with a GPS watch AND play with Arduinos...
Mathieu