Pi3 UART change
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Hi,
On the Raspberry Pi 3, /dev/ttyAMA0 is currently used by bluetooth HCI interface.
pi@raspberrypi:~ $ sudo lsof /dev/ttyAMA0
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
hciattach 614 root 3u CHR 204,64 0t0 5127 /dev/ttyAMA0
The GPIO UART is now at /dev/ttyS0 for current Raspbian jessie release. But, at this time, the baudrate is wrong and need a manual fix (see http://www.briandorey.com/post/Raspberry-Pi-3-UART-Overlay-Workaround).
Hi,
The ability to use another serial port was added in the python script to allow use of /dev/ttyS0.
Follow the discussion on Raspberry site regarding how to configure the system, as an example at https://www.raspberrypi.org/forums/viewtopic.php?p=927917#p927917