This is precisely how I'm doing it, but with a plug-in. I have four callback events that give complete control of the sleep cycle.
Thanks, Chen. David, W4SMT --- On Sun, 9/5/10, Kok Chen <[email protected]> wrote: > > But the Keyspan and FTDI adapters get very grumpy when > they wake up after being put to sleep. > > The way I handled this in µH Router (the microHAM devices > uses FTDI chips) is to register for MacOS X Power Manager > callbacks. > > Before the Mac OS X Power Manager sends the hardware into > sleep mode, it will call back and at that time, I do an > ordered shutdown of any opened microHAM ports. When > the Power Manager again calls back when the machine wakes > up, I reopen the serial port (setting baud rate and restart > the microHAM watchdog timer) of any microHAM box(es) that > was(were) previously connected. > > When the Mac OS X Power Manager calls back before going to > sleep, you also have the option of telling the system to > terminate the sleep process. > > See http://developer.apple.com/mac/library/qa/qa2004/qa1340.html > . > > For example, if there is something critical that is > happening, you can terminate sleeping, finish anything that > you are doing that cannot be stopped (like changing the > firmware of the K3 :-), and when that task is completed, > finally ask the Power Manager to go to sleep. > > 73 > Chen, W7AY > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html

