ioreg -sc wdh_SampleUSBAudioPlugin shows:
| | | | | | +-o wdh_SampleUSBAudioPlugin <class wdh_SampleUSBAudioPlugin, !registered, !matched, active, busy 0, retain$
| | | | | | | {
| | | | | | | "idProduct" = 30793
| | | | | | | "IOProbeScore" = 0
| | | | | | | "IOClass" = "wdh_SampleUSBAudioPlugin"
| | | | | | | "idVendor" = 1532
| | | | | | | "IOProviderClass" = "AppleUSBAudioEngine"
| | | | | | | "CFBundleIdentifier" = "com.MySoftwareCompany.driver.SampleUSBAudioPlugin"
| | | | | | | "IOMatchCategory" = "USBAudioPlugin"
| | | | | | | }
Thanks in advance,
Wayne
On Friday, June 03, 2005, at 02:45PM, Wayne Hasley <email@hidden> wrote:
>
>On Friday, June 03, 2005, at 01:54PM, Godfrey van der Linden <email@hidden> wrote:
>
>>G'day Wayne,
>>
>>I believe that if the extension is NOT on kext stat that it ISN'T
>>loaded in the system. Does your driver turn up in the ioreg? Try
>>'ioreg -sc <yourclassname>' This produces a lot of pages of output
>>but also a property list that is based on your successfully matched
>>personality.
>>
>>If your driver doesn't turn up in either ioreg or kextstat then you
>>are NOT loaded.
>
>Godfrey,
>
>My driver isn't loading.
>
>I backed up to two apple supplied sample programs:
> <http://developer.apple.com/samplecode/SampleUSBAudioPlugin/SampleUSBAudioPlugin.html>
>and
> <http://developer.apple.com/samplecode/SimpleUserClient/SimpleUserClient.html>
>
>SimpleUserClient is showing up in the io registry.
>
>SampleUSBAudioPlugin isn't.
>
>How force SampleUSBAudioPlugin to load?
>
>TIA,
>Wayne
>
>
>
>
>>
>>On 06/03/2005, at 13:44 , Wayne Hasley wrote:
>>
>>> Godfrey van der Linden <email@hidden> wrote:
>>>
>>>> If kextstat can't find your driver then you are not loaded and
>>>> then it is hard to rendezvous with your driver.
>>>> How do you usually load your driver?
>>>>
>>>
>>> Godfrey,
>>>
>>> I'm using apple sample code from
>>> <http://developer.apple.com/samplecode/SampleUSBAudioPlugin/
>>> SampleUSBAudioPlugin.html>
>>> as a base for my project.
>>>
>>> This is code for a USB device. I'm still looking in the
>>> documentation trying to find if its loaded when the system detects
>>> the USB device. (I'm assuming that the system loads my driver at
>>> boot time.)
>>>
>>> The sample code implements a lowpass filter with a 400 Hz cutoff on
>>> streamed audio.
>>>
>>> I can hear when the filter is active, but it's not showing up in
>>> the kextstat list.
>>>
>>>
>>> I build it and use:
>>> sudo cp -rf SampleUSBAudioPlugin.kext /System/Library/Extensions
>>> sudo chown -R root:wheel /System/Library/Extensions/
>>> SampleUSBAudioPlugin.kext/
>>> sudo touch /System/Library/Extensions
>>> and reboot.
>>>
>>> After I noticed that my driver isn't showing up in the kextstat
>>> list, I noticed that it's not showing up in the original apple
>>> supplied sample code either.
>>>
>>> The sample code driver isn't showing up, but I can "hear" when its
>>> running
>>>
>>> Thanks in advance,
>>> Wayne
>>>
>>>
>>>
>>>
>>> On Friday, June 03, 2005, at 12:48PM, Godfrey van der Linden
>>> <email@hidden> wrote:
>>>
>>>
>>>>
>>>> <<Original Attached>>
>>>
>>
>>
>>
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