想将一设备枚举成CCID设备，求高手帮忙看看这几个描述符有什么问题？

只看该作者 · 2013-4-4 23:12

见下文：

只看该作者 · 2013-4-4 23:16

本帖最后由 xiaojun_ 于 2013-4-4 23:29 编辑

设备描述符：
USB_DEVICE_DESCRIPTOR  device_descr={
      0x12,
      0x01,       //bDescriptorType: DEVICE
      SWAP(0x0200),       //bcdUSB: usb 2.0
      0,                               // Mass Storage Class
      0,                               //bDeviceSubClass: 0
      0,                               //bDeviceProtocol: class specific protocols NOT used on device basis
      0x40,             //bMaxPacketSize0: maximum packet size for endpoint zero
      SWAP(0x058F),       //idVendor
      SWAP(0x9540),       //idProduct
      SWAP(0x0100),       //bcdDevice
      0x01,             //iManufacturer: index of string
      0x02,          //iProduct: index of manufacturer string
      0x03,          //iSerialNumber: index of product string
      0x01             //bNumConfigurations: 1 configuration
};

BusHound显示如下：

XP端显示如下：

只看该作者 · 2013-4-4 23:18

配置描述符：
USB_CONFIGURATION_DESCRIPTOR  config_descr = {
0x09, //bLength
0x02, //bDescriptor 02
SWAP(0x005d), //wTotalLength  86=0x0056 32=0x0020  93=0x5d
0x01, //bNumInterface
0x01, //bConfiguration Value
0x00, //iConfiguration
0x80, //bmAttributes,BUS-POWER
0xfa //bMaxPower,500mA
};

接口描述符：
USB_INTERFACE_DESCRIPTOR inter_descr = {
0x09, //bLength: 0x09 bytes
0x04, //bDescriptorType: INTERFACE
0x00,          //bInterfaceNumber: interface 0
0x00,          //bAlternateSetting: alternate setting 0
0x03,          //bNumEndpoints: 2 endpoint ,not include zero ep
0x0B,
0x00,
0x00,
0x00          //iInterface: index of string
};

只看该作者 · 2013-4-4 23:20

CCID类描述符：
BYTE ccid_descr[0x36] = {

0x36, // bLength: CCID Descriptor size
0x21, // bDescriptorType: HID To be updated with CCID specific number
0x00,0x01,// bcdCCID 0x0110
0x00, // bMaxSlotIndex
0x07, // bVoltageSupport: 5v, 3v and 1.8v
0x01,0x00,0x00,0x00, // dwProtocols: supports T=0 and T=1
0xA0,0x0F,0x00,0x00, // dwDefaultClock: 4 Mhz (0x00000FA0)
0xA0,0x0F,0x00,0x00, // dwMaximumClock: 4 Mhz (0x00000FA0)
0x00, // bNumClockSupported => no manual setting
0x80,0x25,0x00,0x00, // dwDataRate: 9600 bps (0x00002A00)
0x80,0x25,0x00,0x00, // dwMaxDataRate: 9600 bps (0x0001F808)
0x00, // bNumDataRatesSupported => no manual setting
0xfe,0x00,0x00,0x00, /* dwMaxIFSD: 0 (T=0 only) */
0x00,0x00,0x00,0x00, /* dwSynchProtocols  */
0x00,0x00,0x00,0x00,  /* dwMechanical: no special characteristics */
0x30,0x00,0x01,0x00, // dwFeatures: clk, baud rate, voltage : automatic CCID can set ICC in clock stop mode.
0x0f,0x01,0x00,0x00, /* dwMaxCCIDMessageLength : Maximun block size + header*/ /* 261 + 10 */
0x00, /* bClassGetResponse*/
0x00, /* bClassEnvelope */
0x00,0x00, /* wLcdLayout */
0x00, /* bPINSupport : no PIN verif and modif  */
0x01       // bMaxCCIDBusySlot

};

只看该作者 · 2013-4-4 23:21

端点描述符：//Endpoint 1
USB_ENDPOINT_DESCRIPTOR ep_descr_in = {
0x07, //bLength: 0x07 bytes
0x05,                //bDescriptorType: ENDPOINT
0x81,                //bEndpointAddress: IN endpoint 1
0x02,                //bmAttributes: BULK-ONLY(00:Control 01:isoch 10:bulk 11:intr
SWAP(0x0040),          //wMaxPacketSize: 64 bytes
0x00                   //bInterval: polling interval is 1 ms
};

//Endpoint1
USB_ENDPOINT_DESCRIPTOR ep_descr_out = {
   0x07,                //bLength: 0x07 bytes
   0x05,                //bDescriptorType: ENDPOINT
   0x01,                //bEndpointAddress: out endpoint 1
   0x02,                //bmAttributes: BULK-ONLY
   SWAP(0x0040),          //wMaxPacketSize: 64 bytes
   0x00 //bInterval: polling interval is 1 ms
};

USB_ENDPOINT_DESCRIPTOR ep_descr_intr = {
   0x07,                //bLength: 0x07 bytes
   0x05,                //bDescriptorType: ENDPOINT
   0x82,                //bEndpointAddress: int endpoint 2
   0x03,                //bmAttributes: intr
   SWAP(0x0010),          //wMaxPacketSize: 64 bytes
   0x18 //bInterval: polling interval is 24 ms
};

想将一设备枚举成CCID设备，求高手帮忙看看这几个描述符有什么问题？

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