[eagle] Re: Jim's Phase Noise Number!!
juan-rivera at sbcglobal.net
Mon Jun 11 16:04:27 PDT 2007
So it's the heartbeat timing is more than 3 seconds from the CDNC? I'll
check that when I get home from work. Thanks.
On 6/11/07, Stephen Moraco <kc0ftq at amsat.org> wrote:
> > Please refresh me on the function of the watchdog timer.
> While the dongle may be powered up, can traffic needs to be sent to
> the Widget at least once every three seconds or the watchdog will fire.
> This watchdog is here to account for a number of possible system
> issues. Some of them are (1) CAN-Do is not hearing IHU CAN
> traffic so it assumes it is not well and resets or (2) the CAN Do for
> some reason locks up and can't receive CAN traffic in which case,
> again, it resets.
> The only CAN traffic that resets the watchdog timer is 'configure'
> messages (Heartbeat traffic in CDNC terms). So set the heartbeat
> rate for something shorter than 3 seconds and you will not see any
> watchdog resets.
> This description help?
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