usb开发大全第五版IntroductionThisbookisfordeveloperswhoareinvolvedwithdesigningorprogrammingdevicesthatusetheUniversalSerialBus(USB)interface.Ifyouareahardwaredesigner,ifyouwritefirmwarethatresidesinsideUSBdevices,orifyouwriteapplicationsthatcom-municatewithdevices,thisbookisforyou.The