usb_desc.c

usb+源代码

/******************** (C) COPYRIGHT 2009 STMicroelectronics ********************
* File Name          : usb_desc.c
* Author             : MCD Application Team
* Version            : V3.0.1
* Date               : 04/27/2009
* Description        : Descriptors for Virtual Com Port Demo
********************************************************************************
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
#include "usb_desc.h"
/* USB Standard Device Descriptor */
#if 1
#if 0
const uint8_t Virtual_Com_Port_DeviceDescriptor[] =
  {
    0x12,   /* bLength */
    USB_DEVICE_DESCRIPTOR_TYPE,     /* bDescriptorType */
    0x00,
    0x02,   /* bcdUSB = 2.00 */
    0xff,   /* bDeviceClass: CDC                0x02->0xff*/
    0x00,   /* bDeviceSubClass */
    0x00,   /* bDeviceProtocol */
    0x40,   /* bMaxPacketSize0 */
    0xEB,
    0x03,   /* idVendor = 0x0556 */
    0x02,
    0x02,   /* idProduct = 0x0418 */
    0x00,
    0x02,   /* bcdDevice = 2.00 */
    1,              /* Index of string descriptor describing manufacturer */
    2,              /* Index of string descriptor describing product */
    3,              /* Index of string descriptor describing the device's serial number */
    0x01    /* bNumConfigurations */
  };


const uint8_t Virtual_Com_Port_ConfigDescriptor[] =
  {
    /*Configuation Descriptor*/
    0x09,   /* bLength: Configuation Descriptor size */
    USB_CONFIGURATION_DESCRIPTOR_TYPE,           /* bDescriptorType: Configuration */
 //wTotalLength字段。配置描述符集合的总长度，
 //包括配置描述符本身、接口描述符、类描述符、端点描述符等。
	(9+9+7+7+7+7),       /* wTotalLength:no of returned bytes */
    0x00,  //高字节,
    0x01,   /* bNumInterfaces: 2 interface */
    0x01,   /* bConfigurationValue: Configuration value */
    0x00,   /* iConfiguration: Index of string descriptor describing the configuration */
    0xC0,   /* bmAttributes: self powered */
    0x64,   /* MaxPower 200 mA */
    /*Interface Descriptor*/
    0x09,   /* bLength: Interface Descriptor size */
    USB_INTERFACE_DESCRIPTOR_TYPE,  /* bDescriptorType: Interface */
    /* Interface descriptor type */
    0x00,   /* bInterfaceNumber: Number of Interface */
    0x00,   /* bAlternateSetting: Alternate setting */
    0x04,   /* bNumEndpoints: One endpoints used */
    0x00,   /* bInterfaceClass: Communication Interface Class */
    0x00,   /* bInterfaceSubClass: Abstract Control Model */
    0x00,   /* bInterfaceProtocol: Common AT commands */
    0x00,   /* iInterface: */
    /*Endpoint 3 Descriptor*/
    0x07,   /* bLength: Endpoint Descriptor size */
    USB_ENDPOINT_DESCRIPTOR_TYPE,   /* bDescriptorType: Endpoint */
    0x81,   /* bEndpointAddress: (OUT3) */
    0x03,   /* bmAttributes: Bulk */
    0x40,             /* wMaxPacketSize: */
    0x00,
    0x0A,   /* bInterval: ignore for Bulk transfer */
    /*Endpoint 1 Descriptor*/
    0x07,   /* bLength: Endpoint Descriptor size */
    USB_ENDPOINT_DESCRIPTOR_TYPE,   /* bDescriptorType: Endpoint */
    0x01,   /* bEndpointAddress: (IN1) */
    0x03,   /* bmAttributes: Bulk */
    0x40,             /* wMaxPacketSize: */
    0x00,
    0x0A,   /* bInterval */
    /*Endpoint 2 Descriptor*/
    0x07,   /* bLength: Endpoint Descriptor size */
    USB_ENDPOINT_DESCRIPTOR_TYPE,   /* bDescriptorType: Endpoint */
    0x82,   /* bEndpointAddress: (IN1) */
    0x02,   /* bmAttributes: Bulk */
    0x40,             /* wMaxPacketSize: */
    0x00,
    0x00,   /* bInterval */
    /*Endpoint 2 Descriptor*/
    0x07,   /* bLength: Endpoint Descriptor size */
    USB_ENDPOINT_DESCRIPTOR_TYPE,   /* bDescriptorType: Endpoint */
    0x02,   /* bEndpointAddress: (IN1) */
    0x02,   /* bmAttributes: Bulk */
    0x40,             /* wMaxPacketSize: */
    0x00,
    0x00   /* bInterval */
  };
#else
#if 1
const uint8_t Virtual_Com_Port_DeviceDescriptor[] =
  {
    0x12,   /* bLength */
    USB_DEVICE_DESCRIPTOR_TYPE,     /* bDescriptorType */
    0x00,
    0x02,   /* bcdUSB = 2.00 */
    0xff,   /* bDeviceClass: CDC                0x02->0xff*/
    0x00,   /* bDeviceSubClass */
    0x00,   /* bDeviceProtocol */
    0x40,   /* bMaxPacketSize0 */
    0xEB,
    0x03,   /* idVendor = 0x0556 */
    0x05,
    0x02,   /* idProduct = 0x0418 */
    0x00,
    0x02,   /* bcdDevice = 2.00 */
    1,              /* Index of string descriptor describing manufacturer */
    2,              /* Index of string descriptor describing product */
    3,              /* Index of string descriptor describing the device's serial number */
    0x01    /* bNumConfigurations */
  };


const uint8_t Virtual_Com_Port_ConfigDescriptor[] =
  {
    /*Configuation Descriptor*/
    0x09,   /* bLength: Configuation Descriptor size */
    USB_CONFIGURATION_DESCRIPTOR_TYPE,           /* bDescriptorType: Configuration */
 //wTotalLength字段。配置描述符集合的总长度，
 //包括配置描述符本身、接口描述符、类描述符、端点描述符等。
	(9+9+7+7+7+7), 	//(9+9+7+7+7+7),       /* wTotalLength:no of returned bytes */
    0x00,  //高字节,
    0x01,   /* bNumInterfaces: 2 interface */
    0x01,   /* bConfigurationValue: Configuration value */
    0x00,   /* iConfiguration: Index of string descriptor describing the configuration */
    0x80,   /* bmAttributes: self powered */
    0x64,   /* MaxPower 200 mA */

    /*Interface Descriptor*/
    0x09,   /* bLength: Interface Descriptor size */
    USB_INTERFACE_DESCRIPTOR_TYPE,  /* bDescriptorType: Interface */
    /* Interface descriptor type */
    0x00,   /* bInterfaceNumber: Number of Interface */
    0x00,   /* bAlternateSetting: Alternate setting */
    0x04,   /* bNumEndpoints: One endpoints used */
    0x00,   /* bInterfaceClass: Communication Interface Class */
    0x00,   /* bInterfaceSubClass: Abstract Control Model */
    0x00,   /* bInterfaceProtocol: Common AT commands */
    0x00,   /* iInterface: */
    /*Endpoint 3 Descriptor*/
    0x07,   /* bLength: Endpoint Descriptor size */
    USB_ENDPOINT_DESCRIPTOR_TYPE,   /* bDescriptorType: Endpoint */
    0x81,   /* bEndpointAddress: Endpoint Address (IN) */
    0x03,   /* bmAttributes: Interrupt */
    0x10,             /* wMaxPacketSize: */
    0x00,
    0xFF,   /* bInterval: ignore for Bulk transfer */
    /*Endpoint 1 Descriptor*/
    0x07,   /* bLength: Endpoint Descriptor size */
    USB_ENDPOINT_DESCRIPTOR_TYPE,   /* bDescriptorType: Endpoint */
    0x01,   /* bEndpointAddress: Endpoint Address (OUT) */
    0x03,   /* bmAttributes: Interrupt */
    0x10,             /* wMaxPacketSize: */
    0x00,
    0xFF,   /* bInterval */
	
    /*Endpoint 3 Descriptor*/
    0x07,   /* bLength: Endpoint Descriptor size */
    USB_ENDPOINT_DESCRIPTOR_TYPE,   /* bDescriptorType: Endpoint */
    0x82,   /* bEndpointAddress: Endpoint Address (IN) */
    0x02,   /* bmAttributes: Bulk */
    0x40,             /* wMaxPacketSize: */
    0x00,
    0x00,   /* bInterval: ignore for Bulk transfer */
    /*Endpoint 1 Descriptor*/
    0x07,   /* bLength: Endpoint Descriptor size */
    USB_ENDPOINT_DESCRIPTOR_TYPE,   /* bDescriptorType: Endpoint */
    0x03,   /* bEndpointAddress: Endpoint Address (OUT) */
    0x02,   /* bmAttributes: Bulk */
    0x40,             /* wMaxPacketSize: */
    0x00,
    0x00,   /* bInterval */
  };
#else	//下面为两个端点描述符，20090914
const uint8_t Virtual_Com_Port_DeviceDescriptor[] =
  {
    0x12,   /* bLength */
    USB_DEVICE_DESCRIPTOR_TYPE,     /* bDescriptorType */
    0x00,
    0x02,   /* bcdUSB = 2.00 */
    0xff,   /* bDeviceClass: CDC                0x02->0xff*/
    0xff,   /* bDeviceSubClass */
    0x00,   /* bDeviceProtocol */
    0x40,   /* bMaxPacketSize0 */
    0xEB,
    0x03,   /* idVendor = 0x0556 */
    0x04,
    0x02,   /* idProduct = 0x0418 */
    0x00,
    0x02,   /* bcdDevice = 2.00 */
    1,              /* Index of string descriptor describing manufacturer */
    2,              /* Index of string descriptor describing product */
    3,              /* Index of string descriptor describing the device's serial number */
    0x01    /* bNumConfigurations */
  };


const uint8_t Virtual_Com_Port_ConfigDescriptor[] =
  {
    /*Configuation Descriptor*/
    0x09,   /* bLength: Configuation Descriptor size */
    USB_CONFIGURATION_DESCRIPTOR_TYPE,           /* bDescriptorType: Configuration */
 //wTotalLength字段。配置描述符集合的总长度，
 //包括配置描述符本身、接口描述符、类描述符、端点描述符等。
	(9+9+7+7), 	//(9+9+7+7+7+7),       /* wTotalLength:no of returned bytes */
    0x00,  //高字节,
    0x01,   /* bNumInterfaces: 2 interface */
    0x01,   /* bConfigurationValue: Configuration value */
    0x00,   /* iConfiguration: Index of string descriptor describing the configuration */
    0x80,   /* bmAttributes: self powered */
    0x64,   /* MaxPower 200 mA */
    /*Interface Descriptor*/
    0x09,   /* bLength: Interface Descriptor size */
    USB_INTERFACE_DESCRIPTOR_TYPE,  /* bDescriptorType: Interface */
    /* Interface descriptor type */
    0x00,   /* bInterfaceNumber: Number of Interface */
    0x00,   /* bAlternateSetting: Alternate setting */
    0x02,   /* bNumEndpoints: One endpoints used */
    0xff,   /* bInterfaceClass: Communication Interface Class */
    0xff,   /* bInterfaceSubClass: Abstract Control Model */
    0x00,   /* bInterfaceProtocol: Common AT commands */
    0x00,   /* iInterface: */