Logitech QuickCam E3500
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Logitech QuickCam E3500
(Est.) release date: December 2007
Interface: USB
USB 2.0
Connector: Male A
Form factor tags: corded device
ID: 046d:09a4
Windows: USB\VID_046D&PID_09A4
Chip 1: Logitech 340-000213
Linux driver
uvcvideo
Categorized as: webcam
Notes
"210-000366 REV.003" and "12.20.07" is silkscreened
- on the board in the images below.
General
- M/N: V-UCU56, P/N: 860-000095
- AT27LV520 is ATMEL Corporation - 512K 64K x 8
- Multiplexed Addresses/Outputs Low Voltage OTP EPROM
Audio
The device returns Mono (PCM, 16kHz) audio.
Optics
- It has an exchangeable objective lens.
- Focus is adjusted manually.
Controls
- Brightness, Contrast, Saturation
- White Balance Temperature, Auto
- Gain, Power Line Frequency
- White Balance Temperature
- Sharpness, Backlight Compensation
- Exposure (Auto, Absolute, Auto Priority)
- LED1 Mode, LED1 Frequency
- Disable video processing, Raw bits per pixel
Extension units
- 82066163-7050-ab49-b8cc-b3855e8d221e
- 82066163-7050-ab49-b8cc-b3855e8d221f
- 82066163-7050-ab49-b8cc-b3855e8d2252
Marked as undefined:
- 82066163-7050-ab49-b8cc-b3855e8d2250
- 82066163-7050-ab49-b8cc-b3855e8d2251
- 82066163-7050-ab49-b8cc-b3855e8d2255
Bugs
- Setting audio capture to 100% will disable audio.
- It is hardware bug, workaround is available for linux.
- Firmware provide wrong number of audio levels: provided ~6400;
- real ~14. workaround is available for linux.
Images
uvcdynctrl -f output
Pixel format: MJPG (MJPEG; MIME type: image/jpeg) Frame size: 160x120 Frame rates: 30, 25, 20, 15, 10, 5 Frame size: 176x144 Frame rates: 30, 25, 20, 15, 10, 5 Frame size: 320x240 Frame rates: 30, 25, 20, 15, 10, 5 Frame size: 352x288 Frame rates: 30, 25, 20, 15, 10, 5 Frame size: 640x480 Frame rates: 30, 25, 20, 15, 10, 5 Pixel format: YUYV (YUV 4:2:2 (YUYV); MIME type: video/x-raw-yuv) Frame size: 160x120 Frame rates: 30, 25, 20, 15, 10, 5 Frame size: 176x144 Frame rates: 30, 25, 20, 15, 10, 5 Frame size: 320x240 Frame rates: 30, 25, 20, 15, 10, 5 Frame size: 352x288 Frame rates: 30, 25, 20, 15, 10, 5 Frame size: 640x480 Frame rates: 30, 25, 20, 15, 10, 5
lsusb dump
• lsusb |
---|
Bus 002 Device 005: ID 046d:09a4 Logitech, Inc. QuickCam E 3500 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 ? bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x046d Logitech, Inc. idProduct 0x09a4 QuickCam E 3500 bcdDevice 0.06 iManufacturer 0 iProduct 0 iSerial 2 2B44BE10 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 1183 bNumInterfaces 4 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 500mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 2 bFunctionClass 14 Video bFunctionSubClass 3 Video Interface Collection bFunctionProtocol 0 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 1 Video Control bInterfaceProtocol 0 iInterface 0 VideoControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdUVC 1.00 wTotalLength 133 dwClockFrequency 48.000000MHz bInCollection 1 baInterfaceNr( 0) 1 VideoControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Camera Sensor bAssocTerminal 0 iTerminal 0 wObjectiveFocalLengthMin 0 wObjectiveFocalLengthMax 0 wOcularFocalLength 0 bControlSize 3 bmControls 0x0000000e Auto-Exposure Mode Auto-Exposure Priority Exposure Time (Absolute) VideoControl Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 5 (PROCESSING_UNIT) Warning: Descriptor too short bUnitID 2 bSourceID 1 wMaxMultiplier 16384 bControlSize 2 bmControls 0x0000175b Brightness Contrast Saturation Sharpness White Balance Temperature Backlight Compensation Gain Power Line Frequency White Balance Temperature, Auto iProcessing 0 bmVideoStandards 0x1b None NTSC - 525/60 SECAM - 625/50 NTSC - 625/50 VideoControl Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 4 guidExtensionCode {82066163-7050-ab49-b8cc-b3855e8d221e} bNumControl 10 bNrPins 1 baSourceID( 0) 2 bControlSize 2 bmControls( 0) 0xff bmControls( 1) 0x03 iExtension 0 VideoControl Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 13 guidExtensionCode {82066163-7050-ab49-b8cc-b3855e8d221f} bNumControl 8 bNrPins 1 baSourceID( 0) 2 bControlSize 2 bmControls( 0) 0x7f bmControls( 1) 0x01 iExtension 0 VideoControl Interface Descriptor: bLength 28 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 10 guidExtensionCode {82066163-7050-ab49-b8cc-b3855e8d2252} bNumControl 24 bNrPins 1 baSourceID( 0) 4 bControlSize 3 bmControls( 0) 0xff bmControls( 1) 0xff bmControls( 2) 0xff iExtension 0 VideoControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 5 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 4 iTerminal 0 ** UNRECOGNIZED: 20 41 01 0c 82 06 61 63 70 50 ab 49 b8 cc b3 85 5e 8d 22 50 14 01 04 03 ff ff 0f 00 00 00 00 00 ** UNRECOGNIZED: 20 41 01 08 82 06 61 63 70 50 ab 49 b8 cc b3 85 5e 8d 22 51 03 01 04 03 19 00 00 00 00 00 01 00 ** UNRECOGNIZED: 20 41 01 0b 82 06 61 63 70 50 ab 49 b8 cc b3 85 5e 8d 22 55 01 01 04 03 01 00 00 00 00 00 00 00 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x87 EP 7 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 8 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 VideoStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (INPUT_HEADER) bNumFormats 3 wTotalLength 624 bEndPointAddress 129 bmInfo 0 bTerminalLink 5 bStillCaptureMethod 2 bTriggerSupport 1 bTriggerUsage 0 bControlSize 1 bmaControls( 0) 11 bmaControls( 1) 11 bmaControls( 2) 11 VideoStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 6 (FORMAT_MJPEG) bFormatIndex 1 bNumFrameDescriptors 5 bFlags 1 Fixed-size samples: Yes bDefaultFrameIndex 3 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 1 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 160 wHeight 120 dwMinBitRate 1536000 dwMaxBitRate 9216000 dwMaxVideoFrameBufferSize 38400 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 176 wHeight 144 dwMinBitRate 2027520 dwMaxBitRate 12165120 dwMaxVideoFrameBufferSize 50688 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 320 wHeight 240 dwMinBitRate 6144000 dwMaxBitRate 36864000 dwMaxVideoFrameBufferSize 153600 dwDefaultFrameInterval 666666 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 352 wHeight 288 dwMinBitRate 8110080 dwMaxBitRate 48660480 dwMaxVideoFrameBufferSize 202752 dwDefaultFrameInterval 666666 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 24576000 dwMaxBitRate 147456000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 666666 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 31 bDescriptorType 36 bDescriptorSubtype 3 (STILL_IMAGE_FRAME) bEndpointAddress 0 bNumImageSizePatterns 5 wWidth( 0) 160 wHeight( 0) 120 wWidth( 1) 176 wHeight( 1) 144 wWidth( 2) 320 wHeight( 2) 240 wWidth( 3) 352 wHeight( 3) 288 wWidth( 4) 640 wHeight( 4) 480 bNumCompressionPatterns 5 bCompression( 0) 5 bCompression( 1) 10 bCompression( 2) 15 bCompression( 3) 20 bCompression( 4) 25 VideoStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 13 (COLORFORMAT) bColorPrimaries 1 (BT.709,sRGB) bTransferCharacteristics 1 (BT.709) bMatrixCoefficients 4 (SMPTE 170M (BT.601)) VideoStreaming Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED) bFormatIndex 2 bNumFrameDescriptors 5 guidFormat {59555932-0000-1000-8000-00aa00389b71} bBitsPerPixel 16 bDefaultFrameIndex 3 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 2 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 160 wHeight 120 dwMinBitRate 1536000 dwMaxBitRate 9216000 dwMaxVideoFrameBufferSize 38400 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 176 wHeight 144 dwMinBitRate 2027520 dwMaxBitRate 12165120 dwMaxVideoFrameBufferSize 50688 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 320 wHeight 240 dwMinBitRate 6144000 dwMaxBitRate 36864000 dwMaxVideoFrameBufferSize 153600 dwDefaultFrameInterval 666666 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 352 wHeight 288 dwMinBitRate 8110080 dwMaxBitRate 48660480 dwMaxVideoFrameBufferSize 202752 dwDefaultFrameInterval 666666 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 24576000 dwMaxBitRate 147456000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 666666 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 3 (STILL_IMAGE_FRAME) bEndpointAddress 0 bNumImageSizePatterns 5 wWidth( 0) 160 wHeight( 0) 120 wWidth( 1) 176 wHeight( 1) 144 wWidth( 2) 320 wHeight( 2) 240 wWidth( 3) 352 wHeight( 3) 288 wWidth( 4) 640 wHeight( 4) 480 bNumCompressionPatterns 5 bCompression( 0) 5 VideoStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 13 (COLORFORMAT) bColorPrimaries 1 (BT.709,sRGB) bTransferCharacteristics 1 (BT.709) bMatrixCoefficients 4 (SMPTE 170M (BT.601)) Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00c0 1x 192 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0180 1x 384 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 3 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 4 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0280 1x 640 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 5 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0320 1x 800 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 6 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x03b0 1x 944 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 7 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0a80 2x 640 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 8 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0b20 2x 800 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 9 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0be0 2x 992 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 10 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x1380 3x 896 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 11 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x13fc 3x 1020 bytes bInterval 1 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 2 bInterfaceCount 2 bFunctionClass 1 Audio bFunctionSubClass 2 Streaming bFunctionProtocol 0 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 38 bInCollection 1 baInterfaceNr( 0) 3 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 1 wChannelConfig 0x0000 iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0101 USB Streaming bAssocTerminal 1 bSourceID 5 iTerminal 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 5 bSourceID 1 bControlSize 1 bmaControls( 0) 0x03 Mute Control Volume Control iFeature 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 3 bDelay 1 frames wFormatTag 1 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 1 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 16000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x86 EP 6 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0024 1x 36 bytes bInterval 4 bRefresh 0 bSynchAddress 0 AudioControl Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0 Undefined Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 ? bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0000 (Bus Powered) |