usbinterfaceinterface

Programming a USB Device on a Mac

I'm updating some old old code (that works for now, but is using OpenTransport, so um... no) that interfaces with a USB scanner. I THINK I understand how IOUSBDeviceInterface and IOUSBInterfaceInterface are supposed to work, but I can't seem to get information about the pipes. I have a method which takes: (IOUSBInterfaceInterface **)int...