Android 开发Usb知识

 做佳博打印机通过usb连接 打印usb信息后 

 * @return 设备信息
Device[mName=/dev/bus/usb/001/040,mVendorId=1137,mProductId=85,mClass=2,mSubclass=0,mProtocol=0,
mManufacturerName=Zhuhai Howbest Label Printer Co.,Ltd.,mProductName=Gprinter USB Printer,
mVersion=2.0,mSerialNumber=0002A0000000,mConfigurations=[
UsbConfiguration[mId=1,mName=null,mAttributes=128,mMaxPower=50,mInterfaces=[
UsbInterface[mId=0,mAlternateSetting=0,mName=null,mClass=7,mSubclass=1,mProtocol=2,mEndpoints=[
UsbEndpoint[mAddress=129,mAttributes=2,mMaxPacketSize=64,mInterval=0]
UsbEndpoint[mAddress=1,mAttributes=2,mMaxPacketSize=64,mInterval=0]]]]

mVendorId=1137,mProductId=85 是判别是否是第三方提供的usb 信息

mManufacturerName 珠海  mProductName 佳博开发的

mManufacturerName=Zhuhai

mProductName=Gprinter USB Printer,