On Mon, Jan 18, 2016 at 7:38 AM, tim Rowledge <tim at rowledge.org> wrote:
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>> On 14-01-2016, at 5:51 AM, Jon Hylands <jon at huv.com> wrote:
>>
>>
>> Hi everyone,
>>
>> I'm trying to use the SerialPort class on my Raspberry pi 2, to access the UART on the pi.
>>
>> I've successfully accessed the port from python, using pyserial. On the pi, the port name is '/dev/ttyAMA0’.
>
> The only thing I can offer is that Scratch finds a serial port as /dev/ttyAMA0 as well, implying that on at least one Pi it finds the same port that python does. I don’t think I have any devices that I could even try to connect to. Any suggestions for things that might be around the office?
>
> I do faintly recall some discussions about Pi serial stuff and having to use the rasp-config utility but that was a long time ago and I don’t seem to have any emails referring to it.
>
>
> tim
> --
> tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim
> Strange OpCodes: EOS: Erase Operating System
>
>
>

Maybe you could just loop back...
http://unix.stackexchange.com/questions/117037/how-to-send-data-to-a-serial-port-and-see-any-answer