usb_def.h

STM32下做的usb转RS232程序

/******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
* File Name          : usb_def.h
* Author             : MCD Application Team
* Version            : V1.0
* Date               : 10/08/2007
* Description        : Definitions related to USB Core
********************************************************************************
* THE PRESENT SOFTWARE 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 SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __USB_DEF_H
#define __USB_DEF_H

/* Includes ------------------------------------------------------------------*/
/* Exported types ------------------------------------------------------------*/
typedef enum _RECIPIENT_TYPE
{
  DEVICE_RECIPIENT,     /* Recipient device */
  INTERFACE_RECIPIENT,  /* Recipient interface */
  ENDPOINT_RECIPIENT,   /* Recipient endpoint */
  OTHER_RECIPIENT
} RECIPIENT_TYPE;


typedef enum _STANDARD_REQUESTS
{
  GET_STATUS = 0,
  CLEAR_FEATURE,
  RESERVED1,
  SET_FEATURE,
  RESERVED2,
  SET_ADDRESS,
  GET_DESCRIPTOR,
  SET_DESCRIPTOR,
  GET_CONFIGURATION,
  SET_CONFIGURATION,
  GET_INTERFACE,
  SET_INTERFACE,
  TOTAL_sREQUEST,  /* Total number of Standard request */
  SYNCH_FRAME = 12
} STANDARD_REQUESTS;

/* Definition of "USBwValue" */
typedef enum _DESCRIPTOR_TYPE
{
  DEVICE_DESCRIPTOR = 1,
  CONFIG_DESCRIPTOR,
  STRING_DESCRIPTOR,
  INTERFACE_DESCRIPTOR,
  ENDPOINT_DESCRIPTOR
} DESCRIPTOR_TYPE;

/* Feature selector of a SET_FEATURE or CLEAR_FEATURE */
typedef enum _FEATURE_SELECTOR
{
  ENDPOINT_STALL,
  DEVICE_REMOTE_WAKEUP
} FEATURE_SELECTOR;

/* Exported constants --------------------------------------------------------*/
/* Definition of "USBbmRequestType" */
#define REQUEST_TYPE      0x60  /* Mask to get request type */
#define STANDARD_REQUEST  0x00  /* Standard request */
#define CLASS_REQUEST     0x20  /* Class request */
#define VENDOR_REQUEST    0x40  /* Vendor request */

#define RECIPIENT         0x1F  /* Mask to get recipient */

/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */

#endif /* __USB_DEF_H */

/******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/