Am 14.02.2015 um 13:12 schrieb oli4gate:
I have some strange behaviours on the UART's of my beaglebone black. I have
done the same test (like below) on UART1; UART2 and UART4, and they are all
acting the same way.
I did the following test:
- bridged (loopbacked) the port
- open two terminal windows
- on one terminal window I listen the port
- on the other I send the string olivier
You can't share serial ports between multiple processes, threads or
similiar. What happens is that two processes are opening the same port
which leads to undefined operations (it likely confuses the kernel).
Alexander Holler
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