Re: Re: How to handle wake up from sleep
Re: Re: How to handle wake up from sleep
- Subject: Re: Re: How to handle wake up from sleep
- From: mm w <email@hidden>
- Date: Mon, 16 Feb 2009 19:56:37 -0800
Hi two,
I forgot the Apple IOUSBFamily is good example to start
Cheers!
On Mon, Feb 16, 2009 at 7:45 PM, mm w <email@hidden> wrote:
> Hi, 1 2 3 soleil,
>
> it's not your concern it does it for you, fortunately people who are
> implementing this don't have wind
> between their hears,
>
> further details can be easily find here and you will get the answers:
>
> http://developer.apple.com/DOCUMENTATION/Darwin/Reference/KernelIOKitFramework/IOCommandGate_h/Classes/IOCommandGate/index.html
>
> Best Regards
>
> On Mon, Feb 16, 2009 at 6:59 PM, searockcliff <email@hidden> wrote:
>> Thanks!
>> Now I have another question about the IOCommandGate.
>> http://developer.apple.com/documentation/devicedrivers/conceptual/IOKitFundamentals/PowerMgmt/chapter_10_section_7.html#//apple_ref/doc/uid/TP0000020-SW6
>> Should I put all the IO request to runAction()?
>> When should I call commandSleep() and commandWakeup()?
>>
>> When system goes to sleep, should I call commandSleep()?
>> When system goes to wakeup, should I call comandWakeup()?
>> But the system cannot be waken up if I use above methods.
>>
>> 在2009-02-11，"Ethan Bold" <email@hidden> 写道：
>>
>> I'd recommend you read this if you haven't already:
>> http://developer.apple.com/documentation/devicedrivers/conceptual/IOKitFundamentals/PowerMgmt/chapter_10_section_1.html#//apple_ref/doc/uid/TP0000020-BABCCBIJ
>> Do you call PMinit(), joinPMtree(), registerPowerDriver() in your driver?
>> See "implementing basic power management" section in the IOKitFundamentals
>> document.
>> -EThan
>> On Feb 9, 2009, at 6:58 PM, searockcliff wrote:
>>
>> Hello,
>> My driver (kext) is one USB driver.
>> Whey system goes to sleep, I plugout then plugin the USB device.
>> Then the system wakes up, but my driver cannot respond to any request, it
>> seems that it is still in sleep mode.
>>
>> I have registered a function handlePowerEvent to handle sleep.
>> But it only handles kIOMessageCanSystemSleep and
>> kIOMessageSystemWillNotSleep, why is there no message type for Wake up?
>>
>> Regards,
>> Boyd
>>
>>
>>
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>
>
>
> --
> -mmw
>
--
-mmw
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