Ooops, I Googled for the last 30 minutes and found this:
http://developer.apple.com/qa/qa2001/qa1118.html
I guess I can't statically link against libusb.
Thanks.
-Brandon
On 09:07 Thu 24 Feb , Brandon Philips wrote:
> Thank you. It works great. For anyone else watching this thread here
> is my XCode project.
>
> https://svn.osuosl.org/public/zedbot/trunk/tcpusb/mac/NineButton/
>
> One other question. I am getting a strange problem when trying to link
> libusb statically:
>
> gcc -o tcpusb tcpusb.c -g -lm -I./include/ -lpthread -lm -DDEBUG -framework IOKit -static -lusb
> ...
> warnings, etc.
> ...
> ld: can't locate file for: -lcrt0.o
>
> It works great w/o the -static do you have any pointers? I verified
> that I have the following files in my /usr/local/lib
>
> libusb-0.1.4.4.2.dylib
> libusb-0.1.4.dylib
> libusb.a
> libusb.dylib
> libusb.la
> libusbpp-0.1.4.4.2.dylib
> libusbpp-0.1.4.dylib
> libusbpp.a
> libusbpp.dylib
> libusbpp.la
>
> Thanks again.
> -brandon
>
>
> On 17:56 Wed 23 Feb , Rich Kubota wrote:
> > Brandon,
> >
> > The solution is to implement a Codeless Kext. This is a Kernel
> > Extension which has only a plist - which would be something like
> > follows here. In the following, I present a codeless kext which keeps
> > the white apple keyboard from matching to the default HID driver. In
> > the following, I've set the IOClass of the device to IOService which
> > is the superclass for all devices which will not try to open the
> > device. This leaves it available for your user land driver to be able
> > to access the device.
> >
> > You will need to ensure that the codeless kext gets installed into
> > the /System/Library/Extensions folder and that you touch the
> > Extensions folder so that the kexts will be re-enumerated on restart.
> >
> > best wishes.
> > rich kubota
> >
> > <?xml version="1.0" encoding="UTF-8"?>
> > <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN"
> > "http://www.apple.com/DTDs/PropertyList-1.0.dtd";>
> > <plist version="1.0">
> > <dict>
> > <key>CFBundleDevelopmentRegion</key>
> > <string>English</string>
> > <key>CFBundleIconFile</key>
> > <string></string>
> > <key>CFBundleIdentifier</key>
> > <string>com.MySoftwareCompany.driver.HIDNoMatchWhtApplKb</string>
> > <key>CFBundleInfoDictionaryVersion</key>
> > <string>6.0</string>
> > <key>CFBundlePackageType</key>
> > <string>KEXT</string>
> > <key>CFBundleSignature</key>
> > <string>????</string>
> > <key>CFBundleVersion</key>
> > <string>1.0.0d1</string>
> > <key>IOKitPersonalities</key>
> > <dict>
> > <key>White AppleKeyboard</key>
> > <dict>
> > <key>CFBundleIdentifier</key>
> > <string>com.apple.kernel.iokit</string>
> > <key>IOClass</key>
> > <string>IOservice</string>
> > <key>IOProviderClass</key>
> > <string>IOUSBInterface</string>
> > <key>bConfigurationValue</key>
> > <integer>1</integer>
> > <key>bInterfaceNumber</key>
> > <integer>1</integer>
> > <key>bcdDevice</key>
> > <integer>290</integer>
> > <key>idProduct</key>
> > <integer>516</integer>
> > <key>idVendor</key>
> > <integer>1452</integer>
> > </dict>
> > </dict>
> > <key>OSBundleLibraries</key>
> > <dict>
> > <key>com.apple.iokit.IOUSBFamily</key>
> > <string>1.8</string>
> > </dict>
> > </dict>
> > </plist>
> >
> >
> > >I am trying to get my Linux application that uses libusb to work under
> > >OSX. Unfortunatly the USB device it uses is defined as a HID, and
> > >libusb cannot claim it because IOUSBHIDDriver already has.
> > >
> > >But, I found one thread that gives hope that I can get IOUSBHIDDriver to
> > >let go of the device:
> > >http://lists.apple.com/archives/usb/2004/Mar/msg00064.html
> > >
> > >It suggests using a kext with a higher probe score to keep
> > >IOUSBHIDDriver from grabbing the device. Today is the first time I have
> > >ever used a Mac for development and kernel extensions seem like a huge
> > >topic. So if someone can point me in the right direction it would be
> > >greatly appreciated.
> > >
> > >Thank You,
> > >Brandon Philips
> >
> > --
> > Sincerely,
> > Rich Kubota
> > email@hidden
> > (408) 974-6212
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