usbstruct.h

最新的LPC214X USB驱动程序

//
//  $Id: usbstruct.h 42 2008-10-04 18:40:36Z jcw $
//  $Revision: 42 $
//  $Author: jcw $
//  $Date: 2008-10-04 14:40:36 -0400 (Sat, 04 Oct 2008) $
//  $HeadURL: http://tinymicros.com/svn_public/arm/lpc2148_demo/trunk/usb/usbstruct.h $
//

/*
  LPCUSB, an USB device driver for LPC microcontrollers 
  Copyright (C) 2006 Bertrik Sikken ([e-mail])

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.
  3. The name of the author may not be used to endorse or promote products
     derived from this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 
  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/


/**
  Definitions of structures of standard USB packets
*/

#ifndef _USBSTRUCT_H_
#define _USBSTRUCT_H_

#include "sysdefs.h"

//
//  Setup packet definitions
//
typedef struct 
{
  U8  bmRequestType;  /**< characteristics of the specific request */
  U8  bRequest;       /**< specific request */
  U16 wValue;         /**< request specific parameter */
  U16 wIndex;         /**< request specific parameter */
  U16 wLength;        /**< length of data transfered in data phase */
} 
TSetupPacket;


#define REQTYPE_GET_DIR(x)      (((x)>>7)&0x01)
#define REQTYPE_GET_TYPE(x)     (((x)>>5)&0x03)
#define REQTYPE_GET_RECIP(x)    ((x)&0x1F)

#define REQTYPE_DIR_TO_DEVICE   0
#define REQTYPE_DIR_TO_HOST     1

#define REQTYPE_TYPE_STANDARD   0
#define REQTYPE_TYPE_CLASS      1
#define REQTYPE_TYPE_VENDOR     2
#define REQTYPE_TYPE_RESERVED   3

#define REQTYPE_RECIP_DEVICE    0
#define REQTYPE_RECIP_INTERFACE 1
#define REQTYPE_RECIP_ENDPOINT  2
#define REQTYPE_RECIP_OTHER     3

//
//  Standard requests 
//
#define REQ_GET_STATUS        0x00
#define REQ_CLEAR_FEATURE     0x01
#define REQ_SET_FEATURE       0x03
#define REQ_SET_ADDRESS       0x05
#define REQ_GET_DESCRIPTOR    0x06
#define REQ_SET_DESCRIPTOR    0x07
#define REQ_GET_CONFIGURATION 0x08
#define REQ_SET_CONFIGURATION 0x09
#define REQ_GET_INTERFACE     0x0A
#define REQ_SET_INTERFACE     0x0B
#define REQ_SYNCH_FRAME       0x0C

//
//  Class requests HID 
//
#define HID_GET_REPORT      0x01
#define HID_GET_IDLE        0x02
#define HID_GET_PROTOCOL    0x03
#define HID_SET_REPORT      0x09
#define HID_SET_IDLE        0x0A
#define HID_SET_PROTOCOL    0x0B

//
//  Feature selectors 
//
#define FEA_ENDPOINT_HALT   0x00
#define FEA_REMOTE_WAKEUP   0x01
#define FEA_TEST_MODE       0x02

//
//  USB descriptor header
//
typedef struct 
{
  U8  bLength;          /**< descriptor length */
  U8  bDescriptorType;  /**< descriptor type */
} 
TUSBDescHeader;

#define DESC_DEVICE           1
#define DESC_CONFIGURATION    2
#define DESC_STRING           3
#define DESC_INTERFACE        4
#define DESC_ENDPOINT         5
#define DESC_DEVICE_QUALIFIER 6
#define DESC_OTHER_SPEED      7
#define DESC_INTERFACE_POWER  8

#define DESC_HID_HID        0x21
#define DESC_HID_REPORT     0x22
#define DESC_HID_PHYSICAL   0x23

#define GET_DESC_TYPE(x)    (((x)>>8)&0xFF)
#define GET_DESC_INDEX(x)   ((x)&0xFF)

#endif