Dear friends,
In case anyone need the source code, it is attached.
We use optic fiber to connect to a VME controler, which talks to V1751 via VME bus.
--
Zhe Wang
> Dear friends,
>
> I may add a little more information.
> For polling event, we check the data-ready register for the status of the digitizer.
> In the readout routine, we create a bank, readout the data and write it out.
>
> We commented out or made some replacement for each part of the subroutines to figure our where exactly goes wrong.
> for example, replace the readout from the digitizer with a random generation of some fake events.
> By replacing the readout by a random generation, the program runs fine and reach a very high event rates.
>
> Any suggestions or ideas from experts?
>
> Thank you very much.
>
> --
> Best regards,
> Zhe Wang
>
>
> > Dear friends,
> >
> > We have some questions on using midas.
> > We use a Caen digitizer V1751 to take waveforms.
> > When testing with caen provided programs, we roughly know it can work fine at 1000 Hz event rate, and 30 M/s data can be written to disk.
> > The test with Midas, however, is a little confusing. We use CAENDigitizer library with Midas. First, it works, data were taken, and there seems no error.
> > The only problem is we cannot go to a higher event rate, for example we can only work on a rate of 40 Hz, and only 3 M/s data recording. Otherwise it will crush.
> >
> > We may miss something really simple. Would you please give some suggestions? for example, other people's discussions or documents?
> >
> > Thank you very much. |