sudo nano /etc/udev/rules.d/50-myusb.rules
KERNEL=="ttyUSB[0-9]*",MODE="0666"
KERNEL=="ttyACM[0-9]*",MODE="0666"
KERNEL=="ttyS[0-9]*",MODE="0666"
KERNEL=="ttyUSB[0-9]*",MODE="0666"
KERNEL=="ttyACM[0-9]*",MODE="0666"
ROOT=="ttyS[0-9]*",MODE="0666"
PI=="ttyS[0-9]*",MODE="0666"
** Add these lines **
KERNEL=="ttyAMA[0-1]*",MODE="0666"
PI=="ttyUSB[0-9]*",MODE="0666"
PI=="ttyAMA[0-1]*",MODE="0666"
Also look at
http://gphoto.sourceforge.net/doc/manual/permissions-serial.html
sudo edit /etc/udev/rules.d/50-myusb.rules
