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Running Kinetis Flash Tool under VirtualBox (can't access USB or Serial)

Question asked by Robert Poor on Oct 5, 2017
Latest reply on Oct 11, 2017 by Robert Poor

I'd like to run the Kinetis Flash Tool ("KFT") in order to compute CRCs for the Boot Control Area and all those other wonderful things that KFT can do.


As I'm on a Mac, I need to run KFT under VirtualBox.  And I think my question is rather simple:


I'm connected to my FRDM-KL27Z board via USB on the Mac.  And I can access it as a serial device under /  


When I launch Kinetis Flash Tool under Virtualbox, I can't connect to the FRDM-KL27Z via USB or via Serial.  If I recall correctly, there's some special sequence you need to go through in order to get OS X to release the USB port so that the VirtualBox USB driver can connect them.  


So the short question is: how can I connect to the FRDM board from Kinetis Flash Tool running under VirtualBox?