RTAI on Xilinx PPC board ML403
mantegazza at aero.polimi.it
Fri Jan 20 18:51:47 CET 2006
wicky Zhang wrote:
> So, can we draw conclusions as the following:
> 1. LINUX-RTAI itself is an excellent RTOS, and COMEDI drivers have
> perfect realtime performance if it is used appropriately.
> 2. For the application of code autogenerated from Simulink, the most
> significant reason why Dspace system works better is that: the calling
> mode of comedi data read/write function in S-Function of simulink can't
> reach its best performance, one should consider ASYN mode of comedi driver.
> 3. When using xrtailab to connect the host and the target, it seems that
> the connection will use too much resource and I think this makes system
> performance worse. Dspace seems to resolve this problem better.
That is possible!
> 4: So, if want to acquire a stable and better performance using linux
> rtai+rtw+comedi in the application of code autogenerated, one should
> notice the 2 and 3 above.
> 5: BTW, is it possible to port xrtailab to Windows OS for another choice?
Not xrtailab but there might be a way to it:
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