100 lines
3.6 KiB
C
100 lines
3.6 KiB
C
/*
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* LPCUSB, an USB device driver for LPC microcontrollers
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* Copyright (C) 2006 Bertrik Sikken (bertrik@sikken.nl)
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* Copyright (c) 2016 Intel Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file
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* @brief standard USB packet structures and defines
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*
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* This file contains structures and defines of the standard USB packets
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*/
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#ifndef _USBSTRUCT_H_
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#define _USBSTRUCT_H_
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#define REQTYPE_GET_DIR(x) (((x)>>7)&0x01)
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#define REQTYPE_GET_TYPE(x) (((x)>>5)&0x03)
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#define REQTYPE_GET_RECIP(x) ((x)&0x1F)
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#define REQTYPE_DIR_TO_DEVICE 0
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#define REQTYPE_DIR_TO_HOST 1
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#define REQTYPE_TYPE_STANDARD 0
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#define REQTYPE_TYPE_CLASS 1
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#define REQTYPE_TYPE_VENDOR 2
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#define REQTYPE_TYPE_RESERVED 3
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#define REQTYPE_RECIP_DEVICE 0
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#define REQTYPE_RECIP_INTERFACE 1
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#define REQTYPE_RECIP_ENDPOINT 2
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#define REQTYPE_RECIP_OTHER 3
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/* standard requests */
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#define REQ_GET_STATUS 0x00
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#define REQ_CLEAR_FEATURE 0x01
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#define REQ_SET_FEATURE 0x03
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#define REQ_SET_ADDRESS 0x05
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#define REQ_GET_DESCRIPTOR 0x06
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#define REQ_SET_DESCRIPTOR 0x07
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#define REQ_GET_CONFIGURATION 0x08
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#define REQ_SET_CONFIGURATION 0x09
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#define REQ_GET_INTERFACE 0x0A
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#define REQ_SET_INTERFACE 0x0B
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#define REQ_SYNCH_FRAME 0x0C
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/* feature selectors */
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#define FEA_ENDPOINT_HALT 0x00
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#define FEA_REMOTE_WAKEUP 0x01
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#define FEA_TEST_MODE 0x02
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/*
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* USB descriptors
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*/
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/** USB descriptor header */
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struct usb_desc_header {
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u8_t bLength; /**< descriptor length */
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u8_t bDescriptorType; /**< descriptor type */
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};
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#define DESC_DEVICE 1
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#define DESC_CONFIGURATION 2
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#define DESC_STRING 3
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#define DESC_INTERFACE 4
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#define DESC_ENDPOINT 5
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#define DESC_DEVICE_QUALIFIER 6
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#define DESC_OTHER_SPEED 7
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#define DESC_INTERFACE_POWER 8
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#define CS_INTERFACE 0x24
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#define CS_ENDPOINT 0x25
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#define GET_DESC_TYPE(x) (((x)>>8)&0xFF)
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#define GET_DESC_INDEX(x) ((x)&0xFF)
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#endif /* _USBSTRUCT_H_ */
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