Re: [Elecraft] USB/Serial adapters and sleep mode on OS X

2010-09-06 Thread David Fleming
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 c...@mac.com wrote: But the Keyspan and FTDI adapters get very grumpy when they wake up after being put

[Elecraft] USB/Serial adapters and sleep mode on OS X

2010-09-05 Thread David Fleming
After doing lots of testing, I've come up with some interesting observations. When OS X goes to sleep, either from an idle timeout or a forced sleep (selecting 'Sleep' from the Apple menu), *some* USB to Serial adapters can end up in an unresponsive state after OS X wakes up. I've tested this

Re: [Elecraft] USB/Serial adapters and sleep mode on OS X

2010-09-05 Thread Kok Chen
On Sep 5, 2010, at 5:21 PM, David Fleming 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