Or better yet make sure that when the MCU comes back from sleep that something reasonable is put into the Micro timing h/w.
On Tue, Sep 25, 2012 at 8:05 AM, Janos Sallai <[email protected]>wrote: > Wasif: > > tos/chips/msp430/timer/AlarmMicro16C.nc is what you're looking for. > Please note that the us counter is driven by the DCO, which stops when > the MCU goes to sleep. You will have to prevent the MCU from sleeping > by implementing McuPowerOverride.lowestState(). > > Janos > > On Tue, Sep 25, 2012 at 2:37 AM, wasif masood <[email protected]> wrote: > > > > Thanks Eric, I have been through a alot of these posts. So far, I think, > the > > solution I am looking for, is not answered in any of them. Either there > > isTMicro packet timestamping being discussed or the TMicro counters are > > explained just to track the time elasped between two events. But I am > > interested in an Alarm, of TMicro, cable of signaling interrupts > > periodically, with the granurality of 1 us. So far, the closet I got is > > Alarm32Khz, where I tick ~ 30us, is there any way to wire the Alarm to > get a > > granurality of 1us per Tick FOR TELOSB only? > > > > > > On Tue, Sep 25, 2012 at 12:53 AM, Eric Decker <[email protected]> wrote: > >> > >> > >> You want Tmicro. > >> > >> Search via > >> http://www.mail-archive.com/[email protected]/ for > tmicro. > >> > >> This topic has been discussed previously. > >> > >> > >> > >> On Mon, Sep 24, 2012 at 5:39 AM, wasif masood <[email protected]> > wrote: > >>> > >>> > >>> > >>> Hi All, > >>> > >>> A quick question, is there a timer with granularity of 1us. more than > >>> Alarm<T32khz, uint32_t>, where I tick~30us? for Telosb. > >>> > >>> VG, > >>> Wasif Masood > >>> > >>> > >>> _______________________________________________ > >>> Tinyos-help mailing list > >>> [email protected] > >>> > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > >> > >> > >> > >> > >> -- > >> Eric B. Decker > >> Senior (over 50 :-) Researcher > >> > >> > > > > > > > > -- > > Wasif Masood > > > > > > _______________________________________________ > > Tinyos-help mailing list > > [email protected] > > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > -- Eric B. Decker Senior (over 50 :-) Researcher
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