#ifndef CYGONCE_USB_H
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#ifndef CYGONCE_USB_H
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# define CYGONCE_USB_H
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# define CYGONCE_USB_H
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//==========================================================================
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//==========================================================================
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//
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//
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// include/usb.h
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// include/usb.h
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//
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//
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// Data common to USB host and USB slave
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// Data common to USB host and USB slave
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//
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//
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//==========================================================================
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//==========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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// for more details.
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//
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//
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// You should have received a copy of the GNU General Public License along
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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//
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// As a special exception, if other files instantiate templates or use macros
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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// in accordance with section (3) of the GNU General Public License.
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//
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//
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// This exception does not invalidate any other reasons why a work based on
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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// this file might be covered by the GNU General Public License.
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//
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//#####DESCRIPTIONBEGIN####
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//
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//
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// Author(s): bartv
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// Author(s): bartv
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// Contributors: bartv
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// Contributors: bartv
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// Date: 2000-10-04
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// Date: 2000-10-04
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//
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//
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//####DESCRIPTIONEND####
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//####DESCRIPTIONEND####
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//==========================================================================
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//==========================================================================
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#ifdef __cplusplus
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#ifdef __cplusplus
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extern "C" {
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extern "C" {
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#endif
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#endif
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// USB device requests, the setup packet.
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// USB device requests, the setup packet.
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//
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//
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// The structure is defined entirely in terms of bytes, eliminating
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// The structure is defined entirely in terms of bytes, eliminating
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// any confusion about who is supposed to swap what when. This avoids
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// any confusion about who is supposed to swap what when. This avoids
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// endianness-related portability problems, and eliminates any need
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// endianness-related portability problems, and eliminates any need
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// to worry about alignment. Also for some requests the value field
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// to worry about alignment. Also for some requests the value field
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// is split into separate bytes anyway.
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// is split into separate bytes anyway.
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typedef struct usb_devreq {
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typedef struct usb_devreq {
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unsigned char type;
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unsigned char type;
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unsigned char request;
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unsigned char request;
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unsigned char value_lo;
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unsigned char value_lo;
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unsigned char value_hi;
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unsigned char value_hi;
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unsigned char index_lo;
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unsigned char index_lo;
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unsigned char index_hi;
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unsigned char index_hi;
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unsigned char length_lo;
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unsigned char length_lo;
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unsigned char length_hi;
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unsigned char length_hi;
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} usb_devreq __attribute__((packed));
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} usb_devreq __attribute__((packed));
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// Encoding of the request_type
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// Encoding of the request_type
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#define USB_DEVREQ_DIRECTION_OUT 0
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#define USB_DEVREQ_DIRECTION_OUT 0
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#define USB_DEVREQ_DIRECTION_IN (1 << 7)
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#define USB_DEVREQ_DIRECTION_IN (1 << 7)
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#define USB_DEVREQ_DIRECTION_MASK (1 << 7)
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#define USB_DEVREQ_DIRECTION_MASK (1 << 7)
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#define USB_DEVREQ_TYPE_STANDARD 0
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#define USB_DEVREQ_TYPE_STANDARD 0
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#define USB_DEVREQ_TYPE_CLASS (0x1 << 5)
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#define USB_DEVREQ_TYPE_CLASS (0x1 << 5)
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#define USB_DEVREQ_TYPE_VENDOR (0x2 << 5)
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#define USB_DEVREQ_TYPE_VENDOR (0x2 << 5)
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#define USB_DEVREQ_TYPE_RESERVED (0x3 << 5)
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#define USB_DEVREQ_TYPE_RESERVED (0x3 << 5)
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#define USB_DEVREQ_TYPE_MASK (0x3 << 5)
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#define USB_DEVREQ_TYPE_MASK (0x3 << 5)
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#define USB_DEVREQ_RECIPIENT_DEVICE 0x00
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#define USB_DEVREQ_RECIPIENT_DEVICE 0x00
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#define USB_DEVREQ_RECIPIENT_INTERFACE 0x01
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#define USB_DEVREQ_RECIPIENT_INTERFACE 0x01
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#define USB_DEVREQ_RECIPIENT_ENDPOINT 0x02
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#define USB_DEVREQ_RECIPIENT_ENDPOINT 0x02
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#define USB_DEVREQ_RECIPIENT_OTHER 0x03
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#define USB_DEVREQ_RECIPIENT_OTHER 0x03
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#define USB_DEVREQ_RECIPIENT_MASK 0x1F
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#define USB_DEVREQ_RECIPIENT_MASK 0x1F
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// The standard request codes.
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// The standard request codes.
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#define USB_DEVREQ_GET_STATUS 0
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#define USB_DEVREQ_GET_STATUS 0
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#define USB_DEVREQ_CLEAR_FEATURE 1
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#define USB_DEVREQ_CLEAR_FEATURE 1
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#define USB_DEVREQ_SET_FEATURE 3
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#define USB_DEVREQ_SET_FEATURE 3
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#define USB_DEVREQ_SET_ADDRESS 5
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#define USB_DEVREQ_SET_ADDRESS 5
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#define USB_DEVREQ_GET_DESCRIPTOR 6
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#define USB_DEVREQ_GET_DESCRIPTOR 6
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#define USB_DEVREQ_SET_DESCRIPTOR 7
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#define USB_DEVREQ_SET_DESCRIPTOR 7
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#define USB_DEVREQ_GET_CONFIGURATION 8
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#define USB_DEVREQ_GET_CONFIGURATION 8
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#define USB_DEVREQ_SET_CONFIGURATION 9
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#define USB_DEVREQ_SET_CONFIGURATION 9
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#define USB_DEVREQ_GET_INTERFACE 10
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#define USB_DEVREQ_GET_INTERFACE 10
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#define USB_DEVREQ_SET_INTERFACE 11
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#define USB_DEVREQ_SET_INTERFACE 11
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#define USB_DEVREQ_SYNCH_FRAME 12
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#define USB_DEVREQ_SYNCH_FRAME 12
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// Descriptor types. These are placed in value_hi for the
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// Descriptor types. These are placed in value_hi for the
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// GET_DESCRIPTOR and SET_DESCRIPTOR requests, with an index
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// GET_DESCRIPTOR and SET_DESCRIPTOR requests, with an index
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// in value_lo. They also go into the type fields of the
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// in value_lo. They also go into the type fields of the
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// various descriptor structures.
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// various descriptor structures.
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#define USB_DEVREQ_DESCRIPTOR_TYPE_DEVICE 1
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#define USB_DEVREQ_DESCRIPTOR_TYPE_DEVICE 1
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#define USB_DEVREQ_DESCRIPTOR_TYPE_CONFIGURATION 2
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#define USB_DEVREQ_DESCRIPTOR_TYPE_CONFIGURATION 2
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#define USB_DEVREQ_DESCRIPTOR_TYPE_STRING 3
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#define USB_DEVREQ_DESCRIPTOR_TYPE_STRING 3
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#define USB_DEVREQ_DESCRIPTOR_TYPE_INTERFACE 4
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#define USB_DEVREQ_DESCRIPTOR_TYPE_INTERFACE 4
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#define USB_DEVREQ_DESCRIPTOR_TYPE_ENDPOINT 5
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#define USB_DEVREQ_DESCRIPTOR_TYPE_ENDPOINT 5
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// Feature selectors. These go into value_lo for the CLEAR_FEATURE and
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// Feature selectors. These go into value_lo for the CLEAR_FEATURE and
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// SET_FEATURE requests, and in the first response byte for
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// SET_FEATURE requests, and in the first response byte for
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// GET_STATUS.
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// GET_STATUS.
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#define USB_DEVREQ_FEATURE_DEVICE_REMOTE_WAKEUP 1
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#define USB_DEVREQ_FEATURE_DEVICE_REMOTE_WAKEUP 1
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#define USB_DEVREQ_FEATURE_ENDPOINT_HALT 0
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#define USB_DEVREQ_FEATURE_ENDPOINT_HALT 0
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// Index decoding. When the CLEAR_FEATURE, SET_FEATURE and GET_STATUS
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// Index decoding. When the CLEAR_FEATURE, SET_FEATURE and GET_STATUS
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// requests is applied to an endpoint (as per the recipient field in
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// requests is applied to an endpoint (as per the recipient field in
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// the type field) index_lo identifies the endpoint.
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// the type field) index_lo identifies the endpoint.
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#define USB_DEVREQ_INDEX_DIRECTION_OUT 0
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#define USB_DEVREQ_INDEX_DIRECTION_OUT 0
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#define USB_DEVREQ_INDEX_DIRECTION_IN (1 << 7)
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#define USB_DEVREQ_INDEX_DIRECTION_IN (1 << 7)
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#define USB_DEVREQ_INDEX_DIRECTION_MASK (1 << 7)
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#define USB_DEVREQ_INDEX_DIRECTION_MASK (1 << 7)
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#define USB_DEVREQ_INDEX_ENDPOINT_MASK 0x0F
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#define USB_DEVREQ_INDEX_ENDPOINT_MASK 0x0F
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// Descriptors for the GET_DESCRIPTOR and SET_DESCRIPTOR requests.
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// Descriptors for the GET_DESCRIPTOR and SET_DESCRIPTOR requests.
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typedef struct usb_device_descriptor {
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typedef struct usb_device_descriptor {
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unsigned char length; // USB_DEVICE_DESCRIPTOR_LENGTH == 18
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unsigned char length; // USB_DEVICE_DESCRIPTOR_LENGTH == 18
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unsigned char type; // USB_DEVREQ_DESCRIPTOR_TYPE
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unsigned char type; // USB_DEVREQ_DESCRIPTOR_TYPE
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unsigned char usb_spec_lo;
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unsigned char usb_spec_lo;
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unsigned char usb_spec_hi;
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unsigned char usb_spec_hi;
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unsigned char device_class;
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unsigned char device_class;
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unsigned char device_subclass;
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unsigned char device_subclass;
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unsigned char device_protocol;
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unsigned char device_protocol;
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unsigned char max_packet_size;
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unsigned char max_packet_size;
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unsigned char vendor_lo;
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unsigned char vendor_lo;
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unsigned char vendor_hi;
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unsigned char vendor_hi;
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unsigned char product_lo;
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unsigned char product_lo;
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unsigned char product_hi;
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unsigned char product_hi;
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unsigned char device_lo;
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unsigned char device_lo;
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unsigned char device_hi;
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unsigned char device_hi;
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unsigned char manufacturer_str;
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unsigned char manufacturer_str;
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unsigned char product_str;
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unsigned char product_str;
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unsigned char serial_number_str;
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unsigned char serial_number_str;
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unsigned char number_configurations;
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unsigned char number_configurations;
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} usb_device_descriptor __attribute__((packed));
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} usb_device_descriptor __attribute__((packed));
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#define USB_DEVICE_DESCRIPTOR_LENGTH 18
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#define USB_DEVICE_DESCRIPTOR_LENGTH 18
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#define USB_DEVICE_DESCRIPTOR_TYPE USB_DEVREQ_DESCRIPTOR_TYPE_DEVICE
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#define USB_DEVICE_DESCRIPTOR_TYPE USB_DEVREQ_DESCRIPTOR_TYPE_DEVICE
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#define USB_DEVICE_DESCRIPTOR_USB11_LO 0x10
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#define USB_DEVICE_DESCRIPTOR_USB11_LO 0x10
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#define USB_DEVICE_DESCRIPTOR_USB11_HI 0x01
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#define USB_DEVICE_DESCRIPTOR_USB11_HI 0x01
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#define USB_DEVICE_DESCRIPTOR_CLASS_INTERFACE 0x00
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#define USB_DEVICE_DESCRIPTOR_CLASS_INTERFACE 0x00
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#define USB_DEVICE_DESCRIPTOR_CLASS_VENDOR 0x00FF
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#define USB_DEVICE_DESCRIPTOR_CLASS_VENDOR 0x00FF
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#define USB_DEVICE_DESCRIPTOR_SUBCLASS_INTERFACE 0x00
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#define USB_DEVICE_DESCRIPTOR_SUBCLASS_INTERFACE 0x00
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#define USB_DEVICE_DESCRIPTOR_SUBCLASS_VENDOR 0x00FF
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#define USB_DEVICE_DESCRIPTOR_SUBCLASS_VENDOR 0x00FF
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#define USB_DEVICE_DESCRIPTOR_PROTOCOL_INTERFACE 0x00
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#define USB_DEVICE_DESCRIPTOR_PROTOCOL_INTERFACE 0x00
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#define USB_DEVICE_DESCRIPTOR_PROTOCOL_VENDOR 0x00FF
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#define USB_DEVICE_DESCRIPTOR_PROTOCOL_VENDOR 0x00FF
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typedef struct usb_configuration_descriptor {
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typedef struct usb_configuration_descriptor {
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unsigned char length;
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unsigned char length;
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unsigned char type;
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unsigned char type;
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unsigned char total_length_lo;
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unsigned char total_length_lo;
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unsigned char total_length_hi;
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unsigned char total_length_hi;
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unsigned char number_interfaces;
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unsigned char number_interfaces;
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unsigned char configuration_id;
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unsigned char configuration_id;
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unsigned char configuration_str;
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unsigned char configuration_str;
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unsigned char attributes;
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unsigned char attributes;
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unsigned char max_power;
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unsigned char max_power;
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} usb_configuration_descriptor __attribute__((packed));
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} usb_configuration_descriptor __attribute__((packed));
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#define USB_CONFIGURATION_DESCRIPTOR_LENGTH 9
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#define USB_CONFIGURATION_DESCRIPTOR_LENGTH 9
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#define USB_CONFIGURATION_DESCRIPTOR_TYPE USB_DEVREQ_DESCRIPTOR_TYPE_CONFIGURATION
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#define USB_CONFIGURATION_DESCRIPTOR_TYPE USB_DEVREQ_DESCRIPTOR_TYPE_CONFIGURATION
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#define USB_CONFIGURATION_DESCRIPTOR_ATTR_REQUIRED (1 << 7)
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#define USB_CONFIGURATION_DESCRIPTOR_ATTR_REQUIRED (1 << 7)
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#define USB_CONFIGURATION_DESCRIPTOR_ATTR_SELF_POWERED (1 << 6)
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#define USB_CONFIGURATION_DESCRIPTOR_ATTR_SELF_POWERED (1 << 6)
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#define USB_CONFIGURATION_DESCRIPTOR_ATTR_REMOTE_WAKEUP (1 << 5)
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#define USB_CONFIGURATION_DESCRIPTOR_ATTR_REMOTE_WAKEUP (1 << 5)
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typedef struct usb_interface_descriptor {
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typedef struct usb_interface_descriptor {
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unsigned char length;
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unsigned char length;
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unsigned char type;
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unsigned char type;
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unsigned char interface_id;
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unsigned char interface_id;
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unsigned char alternate_setting;
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unsigned char alternate_setting;
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unsigned char number_endpoints;
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unsigned char number_endpoints;
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unsigned char interface_class;
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unsigned char interface_class;
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unsigned char interface_subclass;
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unsigned char interface_subclass;
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unsigned char interface_protocol;
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unsigned char interface_protocol;
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unsigned char interface_str;
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unsigned char interface_str;
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} usb_interface_descriptor __attribute__((packed));
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} usb_interface_descriptor __attribute__((packed));
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#define USB_INTERFACE_DESCRIPTOR_LENGTH 9
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#define USB_INTERFACE_DESCRIPTOR_LENGTH 9
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#define USB_INTERFACE_DESCRIPTOR_TYPE USB_DEVREQ_DESCRIPTOR_TYPE_INTERFACE
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#define USB_INTERFACE_DESCRIPTOR_TYPE USB_DEVREQ_DESCRIPTOR_TYPE_INTERFACE
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#define USB_INTERFACE_DESCRIPTOR_CLASS_VENDOR 0x00FF
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#define USB_INTERFACE_DESCRIPTOR_CLASS_VENDOR 0x00FF
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#define USB_INTERFACE_DESCRIPTOR_SUBCLASS_VENDOR 0x00FF
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#define USB_INTERFACE_DESCRIPTOR_SUBCLASS_VENDOR 0x00FF
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#define USB_INTERFACE_DESCRIPTOR_PROTOCOL_VENDOR 0x00FF
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#define USB_INTERFACE_DESCRIPTOR_PROTOCOL_VENDOR 0x00FF
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typedef struct usb_endpoint_descriptor {
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typedef struct usb_endpoint_descriptor {
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unsigned char length;
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unsigned char length;
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unsigned char type;
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unsigned char type;
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unsigned char endpoint;
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unsigned char endpoint;
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unsigned char attributes;
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unsigned char attributes;
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unsigned char max_packet_lo;
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unsigned char max_packet_lo;
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unsigned char max_packet_hi;
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unsigned char max_packet_hi;
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unsigned char interval;
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unsigned char interval;
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} usb_endpoint_descriptor;
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} usb_endpoint_descriptor;
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#define USB_ENDPOINT_DESCRIPTOR_LENGTH 7
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#define USB_ENDPOINT_DESCRIPTOR_LENGTH 7
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#define USB_ENDPOINT_DESCRIPTOR_TYPE USB_DEVREQ_DESCRIPTOR_TYPE_ENDPOINT
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#define USB_ENDPOINT_DESCRIPTOR_TYPE USB_DEVREQ_DESCRIPTOR_TYPE_ENDPOINT
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#define USB_ENDPOINT_DESCRIPTOR_ENDPOINT_OUT 0
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#define USB_ENDPOINT_DESCRIPTOR_ENDPOINT_OUT 0
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#define USB_ENDPOINT_DESCRIPTOR_ENDPOINT_IN (1 << 7)
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#define USB_ENDPOINT_DESCRIPTOR_ENDPOINT_IN (1 << 7)
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#define USB_ENDPOINT_DESCRIPTOR_ATTR_CONTROL 0x00
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#define USB_ENDPOINT_DESCRIPTOR_ATTR_CONTROL 0x00
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#define USB_ENDPOINT_DESCRIPTOR_ATTR_ISOCHRONOUS 0x01
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#define USB_ENDPOINT_DESCRIPTOR_ATTR_ISOCHRONOUS 0x01
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#define USB_ENDPOINT_DESCRIPTOR_ATTR_BULK 0x02
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#define USB_ENDPOINT_DESCRIPTOR_ATTR_BULK 0x02
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#define USB_ENDPOINT_DESCRIPTOR_ATTR_INTERRUPT 0x03
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#define USB_ENDPOINT_DESCRIPTOR_ATTR_INTERRUPT 0x03
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// String descriptors. If these are used at all then string 0
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// String descriptors. If these are used at all then string 0
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// must be a table of supported LANGID codes. For a simple device
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// must be a table of supported LANGID codes. For a simple device
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// which only supports US English, the following sequence of
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// which only supports US English, the following sequence of
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// four bytes should suffice for string 0. In practice string
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// four bytes should suffice for string 0. In practice string
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// constants tend to be used which makes the use of these
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// constants tend to be used which makes the use of these
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// #define's difficult.
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// #define's difficult.
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#define USB_STRING_DESCRIPTOR_STRING0_LENGTH 4
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#define USB_STRING_DESCRIPTOR_STRING0_LENGTH 4
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#define USB_STRING_DESCRIPTOR_STRING0_TYPE USB_DEVREQ_DESCRIPTOR_TYPE_STRING
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#define USB_STRING_DESCRIPTOR_STRING0_TYPE USB_DEVREQ_DESCRIPTOR_TYPE_STRING
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#define USB_STRING_DESCRIPTOR_STRING0_LANGID_LO 0x09
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#define USB_STRING_DESCRIPTOR_STRING0_LANGID_LO 0x09
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#define USB_STRING_DESCRIPTOR_STRING0_LANGID_HI 0x04
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#define USB_STRING_DESCRIPTOR_STRING0_LANGID_HI 0x04
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// For subsequent strings the length and data will have to be
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// For subsequent strings the length and data will have to be
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// determined by the application developer or by a suitable tool.
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// determined by the application developer or by a suitable tool.
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#define USB_STRING_DESCRIPTOR_TYPE USB_DEVREQ_DESCRIPTOR_TYPE_STRING
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#define USB_STRING_DESCRIPTOR_TYPE USB_DEVREQ_DESCRIPTOR_TYPE_STRING
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// Utility macros to calculate the total_length fields in a
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// Utility macros to calculate the total_length fields in a
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// configuration descriptor.
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// configuration descriptor.
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#define USB_CONFIGURATION_DESCRIPTOR_TOTAL_LENGTH_LO(interfaces, endpoints) \
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#define USB_CONFIGURATION_DESCRIPTOR_TOTAL_LENGTH_LO(interfaces, endpoints) \
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(USB_CONFIGURATION_DESCRIPTOR_LENGTH + \
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(USB_CONFIGURATION_DESCRIPTOR_LENGTH + \
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(interfaces * USB_INTERFACE_DESCRIPTOR_LENGTH) + \
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(interfaces * USB_INTERFACE_DESCRIPTOR_LENGTH) + \
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(endpoints * USB_ENDPOINT_DESCRIPTOR_LENGTH)) % 256
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(endpoints * USB_ENDPOINT_DESCRIPTOR_LENGTH)) % 256
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#define USB_CONFIGURATION_DESCRIPTOR_TOTAL_LENGTH_HI(interfaces, endpoints) \
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#define USB_CONFIGURATION_DESCRIPTOR_TOTAL_LENGTH_HI(interfaces, endpoints) \
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(USB_CONFIGURATION_DESCRIPTOR_LENGTH + \
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(USB_CONFIGURATION_DESCRIPTOR_LENGTH + \
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(interfaces * USB_INTERFACE_DESCRIPTOR_LENGTH) + \
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(interfaces * USB_INTERFACE_DESCRIPTOR_LENGTH) + \
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(endpoints * USB_ENDPOINT_DESCRIPTOR_LENGTH)) / 256
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(endpoints * USB_ENDPOINT_DESCRIPTOR_LENGTH)) / 256
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#ifdef __cplusplus
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#ifdef __cplusplus
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} // extern "C" {
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} // extern "C" {
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#endif
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#endif
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#endif // CYGONCE_USB_H
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#endif // CYGONCE_USB_H
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