usb_requests.h

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/* -*- c++ -*- */
/*
 * Copyright 2003 Free Software Foundation, Inc.
 * 
 * This file is part of GNU Radio
 * 
 * GNU Radio is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, or (at your option)
 * any later version.
 * 
 * GNU Radio is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

// Standard USB requests.
// These are contained in end point 0 setup packets


#ifndef _USB_REQUESTS_H_
#define _USB_REQUESTS_H_

// format of bmRequestType byte

#define bmRT_DIR_MASK           (0x1 << 7)
#define bmRT_DIR_IN             (1 << 7)
#define bmRT_DIR_OUT            (0 << 7)

#define bmRT_TYPE_MASK          (0x3 << 5)
#define bmRT_TYPE_STD           (0 << 5)
#define bmRT_TYPE_CLASS         (1 << 5)
#define bmRT_TYPE_VENDOR        (2 << 5)
#define bmRT_TYPE_RESERVED      (3 << 5)

#define bmRT_RECIP_MASK         (0x1f << 0)
#define bmRT_RECIP_DEVICE       (0 << 0)
#define bmRT_RECIP_INTERFACE    (1 << 0)
#define bmRT_RECIP_ENDPOINT     (2 << 0)
#define bmRT_RECIP_OTHER        (3 << 0)


// standard request codes (bRequest)

#define RQ_GET_STATUS           0
#define RQ_CLEAR_FEATURE        1
#define RQ_RESERVED_2           2
#define RQ_SET_FEATURE          3
#define RQ_RESERVED_4           4
#define RQ_SET_ADDRESS          5
#define RQ_GET_DESCR            6
#define RQ_SET_DESCR            7
#define RQ_GET_CONFIG           8
#define RQ_SET_CONFIG           9
#define RQ_GET_INTERFACE       10
#define RQ_SET_INTERFACE       11
#define RQ_SYNCH_FRAME         12

// standard descriptor types

#define DT_DEVICE               1
#define DT_CONFIG               2
#define DT_STRING               3
#define DT_INTERFACE            4
#define DT_ENDPOINT             5
#define DT_DEVQUAL              6
#define DT_OTHER_SPEED          7
#define DT_INTERFACE_POWER      8

// standard feature selectors

#define FS_ENDPOINT_HALT        0       // recip: endpoint
#define FS_DEV_REMOTE_WAKEUP    1       // recip: device
#define FS_TEST_MODE            2       // recip: device

// Get Status device attributes

#define bmGSDA_SELF_POWERED     0x01
#define bmGSDA_REM_WAKEUP       0x02


#endif /* _USB_REQUESTS_H_ */