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June 18, 2019 19:31
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USB Descriptor
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| const uint8_t UVCConfigurationDescriptor[]= | |
| { | |
| /* Configuration Descriptor */ | |
| 0x09, /* Descriptor Size */ | |
| 0x02, /* Configuration Descriptor Type */ | |
| 0xA7,0x00, /* Length of this descriptor and all sub descriptors */ | |
| 0x02, /* Number of interfaces */ | |
| 0x01, /* Configuration number */ | |
| 0x00, /* COnfiguration string index */ | |
| 0x80, /* Config characteristics - Bus powered */ | |
| 0xFA, /* Max power consumption of device (in 2mA unit) : 500mA */ | |
| /* Interface Association Descriptor */ | |
| 0x08, /* Descriptor Size */ | |
| 11, /* Interface Association Descr Type: 11 */ | |
| 0x00, /* I/f number of first VideoControl i/f */ | |
| 0x02, /* Number of Video i/f */ | |
| 0x0E, /* CC_VIDEO : Video i/f class code */ | |
| 0x03, /* SC_VIDEO_INTERFACE_COLLECTION : Subclass code */ | |
| 0x00, /* Protocol : Not used */ | |
| 0x00, /* String desc index for interface */ | |
| /* Standard Video Control Interface Descriptor */ | |
| 0x09, /* Descriptor size */ | |
| 0x04, /* Interface Descriptor type */ | |
| 0x00, /* Interface number */ | |
| 0x00, /* Alternate setting number */ | |
| 0x00, /* Number of end points */ | |
| 0x0E, /* CC_VIDEO : Interface class */ | |
| 0x01, /* CC_VIDEOCONTROL : Interface sub class */ | |
| 0x00, /* Interface protocol code */ | |
| 0x00, /* Interface descriptor string index */ | |
| /* Class specific VC Interface Header Descriptor */ | |
| 0x0D, /* Descriptor size */ | |
| 0x24, /* Class Specific I/f Header Descriptor type */ | |
| 0x01, /* Descriptor Sub type : VC_HEADER */ | |
| 0x00,0x01, /* Revision of class spec : 1.0 */ | |
| 0x27,0x00, /* Total Size of class specific descriptors (till Output terminal) */ | |
| 0x80,0x8D,0x5B,0x00, /* Clock frequency : 48MHz(Deprecated) */ | |
| 0x01, /* Number of streaming interfaces */ | |
| 0x01, /* Video streaming I/f 1 belongs to VC i/f */ | |
| /* Input (Camera) Terminal Descriptor */ | |
| 0x11, /* Descriptor size */ | |
| 0x24, /* Class specific interface desc type */ | |
| 0x02, /* Input Terminal Descriptor type */ | |
| 0x01, /* ID of this terminal */ | |
| 0x01,0x02, /* Camera terminal type */ | |
| 0x00, /* No association terminal */ | |
| 0x00, /* String desc index : Not used */ | |
| 0x00,0x00, /* No optical zoom supported */ | |
| 0x00,0x00, /* No optical zoom supported */ | |
| 0x00,0x00, /* No optical zoom supported */ | |
| 0x02, /* Size of controls field for this terminal : 2 bytes */ | |
| 0x00,0x00, /* No controls supported */ | |
| /* Output Terminal Descriptor */ | |
| 0x09, /* Descriptor size */ | |
| 0x24, /* Class specific interface desc type */ | |
| 0x03, /* Output Terminal Descriptor type */ | |
| 0x02, /* ID of this terminal */ | |
| 0x01,0x01, /* USB Streaming terminal type */ | |
| 0x00, /* No association terminal */ | |
| 0x01, /* Source ID : 1 : Connected to Extn Unit */ | |
| 0x00, /* String desc index : Not used */ | |
| /* Video Streaming (VS) Interface Descriptor */ | |
| /* Standard VS Interface Descriptor = interface 1 */ | |
| // alternate setting 0 = Zero Bandwidth | |
| 0x09, /* Descriptor size */ | |
| 0x04, /* Interface Descriptor type */ | |
| 0x01, /* Interface number */ | |
| 0x00, /* Alternate setting number */ | |
| 0x00, /* Number of end points : Zero Bandwidth */ | |
| 0x0E, /* Interface class : CC_VIDEO */ | |
| 0x02, /* Interface sub class : CC_VIDEOSTREAMING */ | |
| 0x00, /* Interface protocol code : Undefined */ | |
| 0x00, /* Interface descriptor string index */ | |
| /* Class-specific Video Streaming Input Header Descriptor */ | |
| 0x0E, /* Descriptor size */ | |
| 0x24, /* Class-specific VS I/f Type */ | |
| 0x01, /* Descriptotor Subtype : Input Header */ | |
| 0x01, /* 1 format desciptor follows */ | |
| 0x4D,0x00, /* Total size of Class specific VS descr: 41 Bytes */ | |
| 0x81, /* EP address for BULK video data */ | |
| 0x00, /* No dynamic format change supported */ | |
| 0x02, /* Output terminal ID : 4 */ | |
| 0x00, /* Still image capture method 1 supported */ | |
| 0x01, /* Hardware trigger NOT supported */ | |
| 0x00, /* Hardware to initiate still image capture NOT supported */ | |
| 0x01, /* Size of controls field : 1 byte */ | |
| 0x00, /* D2 : Compression quality supported */ | |
| /* Class specific Uncompressed VS format descriptor */ | |
| 0x1B, /* Descriptor size */ | |
| 0x24, /* Class-specific VS I/f Type */ | |
| 0x04, /* Subtype : uncompressed format I/F */ | |
| 0x01, /* Format desciptor index (only one format is supported) */ | |
| 0x01, /* number of frame descriptor followed */ | |
| 0x59,0x55,0x59,0x32, /* GUID, globally unique identifier used to identify streaming-encoding format: YUY2 */ | |
| 0x00,0x00,0x10,0x00, | |
| 0x80,0x00,0x00,0xAA, | |
| 0x00,0x38,0x9B,0x71, | |
| 0x10, /* Number of bits per pixel used to specify color in the decoded video frame. 0 if not applicable: 10 bit per pixel */ | |
| 0x01, /* Optimum Frame Index for this stream: 1 */ | |
| 0x00, /* X dimension of the picture aspect ratio: Non-interlaced in progressive scan */ | |
| 0x00, /* Y dimension of the pictuer aspect ratio: Non-interlaced in progressive scan*/ | |
| 0x00, /* Interlace Flags: Progressive scanning, no interlace */ | |
| 0x00, /* duplication of the video stream restriction: 0 - no restriction */ | |
| /* Class specific Uncompressed VS Frame descriptor */ | |
| 0x1E, /* Descriptor size */ | |
| 0x24, /* Descriptor type*/ | |
| 0x05, /* Subtype: uncompressed frame I/F */ | |
| 0x01, /* Frame Descriptor Index */ | |
| 0x02, /* Still image capture method 1 supported, fixed frame rate */ | |
| WBVAL(WIDTH), /* Width in pixel: 160-QVGA */ | |
| WBVAL(HEIGHT), /* Height in pixel 120-QVGA */ | |
| DBVAL(MIN_BIT_RATE), /* Min bit rate bits/s. Not specified, taken from MJPEG */ | |
| DBVAL(MAX_BIT_RATE), /* Max bit rate bits/s. Not specified, taken from MJPEG */ | |
| DBVAL(MAX_FRAME_SIZE), /* Maximum video or still frame size in bytes(Deprecated) */ | |
| DBVAL(INTERVAL), /* Default Frame Interval */ | |
| 0x01, /* Frame interval(Frame Rate) types: Only one frame interval supported */ | |
| DBVAL(INTERVAL), /* Shortest Frame Interval */ | |
| /* Color Matching Descriptor */ | |
| 0x06, /* bLength */ | |
| 0x24, /* bDescriptorType : CS_INTERFACE */ | |
| 0x0D, /* bDescriptorSubType : VS_COLORFORMAT */ | |
| 0x01, /* bColorPrimarie : 1: BT.709, sRGB (default) */ | |
| 0x01, /* bTransferCharacteristics : 1: BT.709 (default) */ | |
| 0x04, /* bMatrixCoefficients : 1: BT. 709. */ | |
| /* Standard Video Streaming Interface Descriptor (Alternate Setting 1) */ | |
| 0x09, /* Descriptor size */ | |
| 0x04, /* Interface Descriptor type */ | |
| 0x01, /* Interface number */ | |
| 0x01, /* Alternate setting number */ | |
| 0x01, /* Number of end points : Zero Bandwidth */ | |
| 0x0E, /* Interface class : CC_VIDEO */ | |
| 0x02, /* Interface sub class : CC_VIDEOSTREAMING */ | |
| 0x00, /* Interface protocol code : Undefined */ | |
| 0x00, /* Interface descriptor string index */ | |
| /* Endpoint Descriptor for BULK Streaming Video Data */ | |
| 0x07, /* Descriptor size */ | |
| 0x5, /* Endpoint Descriptor Type */ | |
| 0x81, /* Endpoint address and description */ | |
| USB_TRANSFER_TYPE_ISOCHRONOUS , /* BULK End point */ | |
| 0xFF,0x03, /* max packet size */ | |
| 0x01 /* Servicing interval for data transfers */ | |
| }; |
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