Hello Jan What is the difference between RTMAC_WAIT_ON_DEFAULT, RTMAC_WAIT_ON_XMIT and TDMA_WAIT_ON_SYNC ?
Jochen >From: Jan Kiszka <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >CC: rtnet-users@lists.sourceforge.net >Subject: Re: [RTnet-users] WAITONCYCLE >Date: Tue, 08 Aug 2006 17:24:03 +0200 > >matrix_df hotmail wrote: > > Hallo Jan > > > > xenomai-2.2.0, rtnet-0.9.3-svn > > > > WAITONCYCLE question: > > How precise it this function? > > > > Is there any guarantee that the data is sent in the current cycle (not >the > > next one). > > > > Or do I need to start rt_dev_sendmsg() some nsec earlier? > >That heavily depends on your TDMA schedule: if there is enough time >between the SYNC frame and the station's next TDMA slot, you are fine >with issuing the data frame on wakeup from WAITONCYLE in your >application thread. If not, you either have to wait one cycle, set a >timeout a bit before the transmission slot - or simply reorder your TDMA >schedule (tdma.conf...). But this also depends on how you generate your >data, i.e. if that data depend on incoming packets or on some data >acquisition or ... > >[I wish we already had LTTng over Xenomai (work in progress). That tool >would nicely visualise the event flow.] > >Jan > ><< signature.asc >> ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ RTnet-users mailing list RTnet-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rtnet-users
