usb_def.h

基于ＳＴ ＡＲＭ处理器的ＵＳＢ通信的演示

/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
* File Name          : usb_def.h
* Author             : MCD Application Team
* Date First Issued  : 10/27/2003 : V1.0
* Description        : Definitions related to USB Core
********************************************************************************
* History:
* 09/18/2006 : V3.0
* 09/01/2006 : V2.0
* 10/27/2003 : V1.0
********************************************************************************
* 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 2006 STMicroelectronics *****END OF FILE****/