【文件属性】：
文件名称：java开发usb实例
文件大小：905KB
文件格式：RAR
更新时间：2021-08-31 09:48:13
JAVA USB
java开发usb实例
1Preface
1.1Introduction
JSR80istheJavaSpecificationRequestconcernedwithcommunicationwithUniversalSerialBus(USB)
devices.ThisdocumentdescribestheAPIassociatedwiththisJSR.
2USBBusTopology
ThestructureoftheUSBbusistopological.TherootoftheUSBphysicalbusisaphysicalHostCon-
troller,whichiscontainedinacomputersystem.HostControllersareusuallyon-boardormaybeadd-in
PCIcards.Theyappearlogicallyashubs,sotheyaretheroothubintheirowntopologytree.Connected
tothemareoneormoreUSBdevices,andsinceUSBhubsareatypeofUSBdevice,thistopology
may
continuedownuntiltherearenomoreconnecteddevices.Thenon-hubdevicesformtheleavesofthe
topologytree,whilethehub
【文件预览】：
53439571JAVA-USB
----javax-usb-example_1.0.0.zip(16KB)
----javax-usb_1.0.2.zip(193KB)
----说明.txt(11B)
----openusb_ts-1.0.2.tar.gz(33KB)
----LibusbJavaX-0.5.7.zip(235KB)
----libopenusb-1.0.2.tar.gz(477KB)