UVC video out in DV mode

dear all,

i am looking for the UVC descriptor for video out in DV_mode.
could anyone provide the example of UVC configuration descriptor?

Thanks,
JerryY.

i always failed to enumeration on this configuration. any suggestions?

// configuration
0x09,0x02,0x00,0xFF,0x02,0x01,0x00,0x80,0xFA, //bMaxPower (500 mA)

//INTERFACE_ASSOCIATION Descriptor
0x08,0x0B,0x00,0x02,0x0E,0x03,0x00,0x00,

/***********************************************/
//VideoControl I/F
0x09,0x04,0x00,0x00,0x01,0x0E,0x01,0x00,0x00,

//CS_INTERFACE Descriptor (VC_HEADER)
0x0D,0x24,0x01,0x00,0x01,0xD9,0x00,
0x00,0x6C,0xDC,0x02, //dwClockFrequency
0x01,0x01,

//CS_INTERFACE Descriptor (VC_OUTPUT_TERMINAL)
0x09,0x24,0x03,0x01,0x01,0x03,0x00,0x00,0x01,

//VC ENDPOINT Descriptor
0x07,0x05,0x87,0x03,0x00,0x10,0x08,

/***********************************************/
//VideoStreaming I/F
0x09,0x04,0x01,0x01,0x01,0x0E,0x02,0x00,0x00,

//VS_OUTPUT_HEADER
0x08,0x24,0x02,0x06,0x00,0xFF,0x01,0x01,

//CS_INTERFACE
0x32,0x24,0x0c,0x0c,

//VS ENDPOINT Descriptor
0x07,0x05,0x01,0x02,0x00,0x02,0x01,

On 6/17/2010 6:20 AM, xxxxx@gmail.com wrote:

i always failed to enumeration on this configuration. any suggestions?

// configuration
0x09,0x02,0x00,0xFF,0x02,0x01,0x00,0x80,0xFA, //bMaxPower (500 mA)

You are saying that your configuration descriptor is 65,280 bytes long
(0xFF00). I doubt that’s true. Remember that multibyte fields are
stored in little-endian order.


Tim Roberts, xxxxx@probo.com
Providenza & Boekelheide, Inc.

On 6/17/2010 4:53 AM, xxxxx@gmail.com wrote:

i am looking for the UVC descriptor for video out in DV_mode.
could anyone provide the example of UVC configuration descriptor?

There are example descriptors in the USB Video Class spec. Have you
studied them?


Tim Roberts, xxxxx@probo.com
Providenza & Boekelheide, Inc.