Date: Wed, 25 Jul 2007 14:16:04 +0800 From: "Sonor" <sonorchang@billion.com.tw> To: <freebsd-usb@freebsd.org> Subject: Get the wrong interface number from configuration descriptor Message-ID: <00f101c7ce83$489fac50$9d01a8c0@billionnt.hq>
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Huawei E220 3G devices should have 3 interfaces in configuration descriptor ,but I just get one. DEVICE addr 2 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=1.10 bDeviceClass=0 bDeviceSubClass=0 bDeviceProtocol=0 bMaxPacketSize=64 idVendor=0x12d1 idProduct=0x1003 bcdDevice=0 iManufacturer=1(\u0c05¤) iProduct=2(\u0c05¤) iSerialNumber=0() bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=32 bNumInterface=1 bConfigurationValue=1 iConfiguration=0() bmAttributes=a0 bMaxPower=500 mA
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