I don't get any error from anything. I just don't get anything back from the read command.
This is how the program behaved without the tcsetaddr command previously. On 3/20/12 12:22 PM, "Philippe Gerum" <[email protected]> wrote: > On 03/20/2012 03:07 PM, Glen Wernersbach wrote: >> I went through and disabled everything in xeno except >> CONFIG_XENO_OPT_PERVASIVE, did not work. Take that option out and it works. >> >> Take that option out at anytime it works. >> >> My program basic writes a few characters a serial port and then reads them >> back in from the same port. I have a loop back cable connected to the port. >> >> It writes the data but waits forever to read them back in >> >>> From my tests, it appears that the termois tcsetaddr settings is not getting >> set when I call it when this option is on. > > Does this mean you received an error code from tcsetattr()? Or are you > inferring this from the fact that you don't get any input from the > serial link? > >> >> >> >> >> >> >> On 3/20/12 9:57 AM, "Philippe Gerum"<[email protected]> wrote: >> >>> On 03/20/2012 02:48 PM, Glen Wernersbach wrote: >>>> I don't think this is it directly. >>>> >>>> This program was made on the same kernel prior to patching it with Xeno. >>>> >>>> It should still run like any other linux program. >>> >>> - what does "program not working" mean in your case? Any errno return we >>> could interpret? Any strace output? >>> >>> - what if you disable CONFIG_XENO_OPT_SKIN_RTDM, leaving PERVASIVE on? >>> >>> >>>> >>>> >>>> >>>> >>>> On 3/20/12 9:44 AM, "Philippe Gerum"<[email protected]> wrote: >>>> >>>>> On 03/20/2012 02:28 PM, Glen Wernersbach wrote: >>>>>> Hi All, >>>>>> >>>>>> I install Xenomai 2.6.0 on AT91SAM9G20 system and have found that when >>>>>> CONFIG_XENO_OPT_PERVASIVE is enabled my standard non real time linux >>>>>> serial write then read serial program does not work. >>>>>> >>>>>> If I turn off CONFIG_XENO_OPT_PERVASIVE, my serial program does work. >>>>>> >>>>>> Any ideas why????? >>>>>> >>>>> >>>>> A possible explanation would be that your application links with the >>>>> Xenomai POSIX lib (libpthread_rt), albeit it should not. >>>>> >>>>> With pervasive support disabled, any routing from the overloaded POSIX >>>>> I/O calls to the Xenomai kernel would then fail. >>>>> >>>>> If so, you should not link against the Xenomai libs if you need no -rt >>>>> service, or prevent symbol wrapping only for the POSIX I/O calls by >>>>> prefixing them by __real_* if you want Xenomai-enabled POSIX services >>>>> except the I/O support. >>>>> >>>>> See http://xenomai.org/index.php/Porting_POSIX_applications_to_Xenomai >>>>> >>>>>> >>>>>> Also, when you turn CONFIG_XENO_OPT_PERVASIVE you get this error: >>>>>> CC kernel/xenomai/nucleus/synch.o >>>>>> kernel/xenomai/nucleus/synch.c: In function 'xnsynch_release_thread': >>>>>> kernel/xenomai/nucleus/synch.c:688:3: error: implicit declaration of >>>>>> function 'xnthread_get_rescnt' >>>>>> kernel/xenomai/nucleus/synch.c:689:4: error: implicit declaration of >>>>>> function 'xnshadow_send_sig' >>>>>> >>>>>> I had to go in and make the code for that option befor it always false. >>>>>> >>>>> >>>>> http://git.xenomai.org/?p=xenomai-2.6.git;a=commit;h=41b4f9c0f4bdf06107a78 >>>>> 8b >>>>> 76 >>>>> 2b5cf662b1d4108 >>>>> >>>>> >>>>>> Glen >>>>>> -- >>>>>> Glen Wernersbach >>>>>> President& CTO >>>>>> >>>>>> Jetsoft Development Co. >>>>>> 629 Old St Rt. 74 Suite 210 >>>>>> Cincinnati, Oh 45244 >>>>>> Custom Programming Web Site: www.jetsoftdev.com >>>>>> Retail Products Web Site: www.scanhelp.com >>>>>> Phone: 513-528-6660 >>>>>> Fax: 513-528-3470 >>>>>> Cell 513-240-9929 >>>>>> ---- >>>>>> Partner for Software Technology >>>>>> Jacobs Automation >>>>>> 2365 Progress Drive >>>>>> Hebron, KY 41048 >>>>>> (513) 297-7550 >>>>>> ---- >>>>>> "Support Dyslexia Research" >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Xenomai-help mailing list >>>>>> [email protected] >>>>>> https://mail.gna.org/listinfo/xenomai-help >>>>> >>>> >>> >> > -- Glen Wernersbach President & CTO Jetsoft Development Co. 629 Old St Rt. 74 Suite 210 Cincinnati, Oh 45244 Custom Programming Web Site: www.jetsoftdev.com Retail Products Web Site: www.scanhelp.com Phone: 513-528-6660 Fax: 513-528-3470 Cell 513-240-9929 ---- Partner for Software Technology Jacobs Automation 2365 Progress Drive Hebron, KY 41048 (513) 297-7550 ---- "Support Dyslexia Research" _______________________________________________ Xenomai-help mailing list [email protected] https://mail.gna.org/listinfo/xenomai-help
