On Sun, Nov 16, 2014 at 6:55 PM, Xiaofan Chen <[email protected]> wrote: > The following FAQ in libusb Wiki may help. > https://github.com/libusb/libusb/wiki/FAQ#How_can_I_run_libusb_applications_under_Mac_OS_X_if_there_is_already_a_kernel_extension_installed_for_the_device >
Just an example. You can use kextstat command to check the kernel extension being loaded in the system. MyMacMini:examples xiaofanc$ ./simple Initialized libftdi 1.2 (major: 1, minor: 2, micro: 0, snapshot ver: unknown) unable to open ftdi device: -5 (unable to claim usb device. Make sure the default FTDI driver is not in use) MyMacMini:examples xiaofanc$ sudo kextunload -b com.apple.driver.AppleUSBFTDI MyMacMini:examples xiaofanc$ ./simple Initialized libftdi 1.2 (major: 1, minor: 2, micro: 0, snapshot ver: unknown) ftdi_read_chipid: 0 FTDI chipid: 30B7EF1 -- Xiaofan -- libftdi - see http://www.intra2net.com/en/developer/libftdi for details. To unsubscribe send a mail to [email protected]
