Marcelo Coelho wrote: > Hi Jan, > Hmm, I wonder what made this message pop up on rtnet-devel. Nevermind. :)
> > I've continuing the development of the serial device driver port to > Real-Time. I've seen both Rtai_serial driver and the rtdm api and now i > think i'm starting to make some progress... :) > > Now i stumbled on detail that isn't referred on the RTDM api > specification: There are some macros defining the Class and Subclass of > a RTDM driver. These regulations are defined by the rtdm team, right? Yes, that's a rather loooong process. It involves issuing a formal request for the number, a first review and rejection, a submission of a revised request, a public hearing, several meetings of the steering committee (at the expense of the requester, of course!), and then, maybe, the granting. > As i'm developing a serial device, my class and subclass should be > RTDM_CLASS_SERIAL and RTDM_SUBCLASS_MOXA (for a Moxa RS-422 driver). > Ok, I take this question as step 1 and continue with step 2: The Moxa is a specific chip with different features than a normal 16550A-compatible UART? Will you implement less / more IOCTLs for this driver or some other service differently? My point is that defining a subclass is only required when the programming model differs. Jan PS: Submitting your driver for inclusion in RTAI and/or Xenomai may help to accelerate the subclass reservation. ;)
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