Experimental Physics and Industrial Control System
Am Freitag, 17. März 2017, 14:20:27 CET schrieb Konrad, Martin:
> Hi Jörn,
>
> > I could not use StreamDevice because of hardware issues. It turned
> > out that these devices need special configurations of the serial
> > interface which can not be set using the standard asynSerialPort
> > driver.
>
> Can you please elaborate on what these settings are?
>
> > In addition there are some commands that need to combine the values
> > from more than one PV into the output stream.
>
> Note that this is also possible with streamdevice:
> http://epics.web.psi.ch/software/streamdevice/doc/tipsandtricks.html#writema
> ny
>
> -Martin
Thanks to Mark Rivers, the bug in the code has been found.
The special settings are related to the timing of the serial interface.
Stream device is fine, as long as you do not have to do special calculations of
the PV value and some crazy bit shifting when building the string together
with only two bit value as separator between the values and thing like that.
Many thanks for the tips and the help
Jörn
- References:
- Asyn 4-30 Problem on Arm processor Jörn Dreyer
- Re: Asyn 4-30 Problem on Arm processor Konrad, Martin
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