On Fri, Feb 19, 2021 at 11:04 AM Leandro Bucci <guestleandr...@gmail.com> wrote:
> ok so i have to recompile the kernel enabling what i need right? > > Il giorno ven 19 feb 2021 alle ore 16:57 Greg Gallagher < > g...@embeddedgreg.com> ha scritto: > >> >> >> On Fri, Feb 19, 2021 at 10:33 AM Leandro Bucci via Xenomai < >> xenomai@xenomai.org> wrote: >> >>> Hi. >>> I have Xenomai on the raspberry PI 3 B +. I would like to use the serial >>> port to make two raspberry (both with xenomai) communicate. If I use the >>> serial0 device everything works but I get huge latencies caused by the >>> modeswitches. I saw that it is possible to do serial communication even >>> using only the Xenomai domain. But I can't, in fact even the example in >>> the >>> Demo folder, "cross-link", works and I get the error "can't open / dev / >>> rtdm / rtser0". The problem is that I certainly didn't insert the rtdm >>> module when compiling the kernel. Can I somehow fix it without having to >>> reinstall xenomai all over again? >>> Thanks for your help >>> >> Hi, >> You should be able to rebuild it as a module and insert it. >> >> -Greg >> > Yes, recompile kernel and mark that driver to be built as a module. You should be able to copy the module over and insert it at runtime. -Greg >
