source: trunk/FirmwareFX2/fx2/usb_common.h@ 130

Last change on this file since 130 was 4, checked in by demin, 15 years ago

initial commit

File size: 2.0 KB
Line 
1/* -*- c++ -*- */
2/*-----------------------------------------------------------------------------
3 * Common USB code for FX2
4 *-----------------------------------------------------------------------------
5 * Code taken from USRP2 firmware (GNU Radio Project), version 3.0.2,
6 * Copyright 2003 Free Software Foundation, Inc.
7 *-----------------------------------------------------------------------------
8 * This code is part of usbjtag. usbjtag is free software; you can redistribute
9 * it and/or modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of the License,
11 * or (at your option) any later version. usbjtag is distributed in the hope
12 * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
13 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details. You should have received a
15 * copy of the GNU General Public License along with this program in the file
16 * COPYING; if not, write to the Free Software Foundation, Inc., 51 Franklin
17 * St, Fifth Floor, Boston, MA 02110-1301 USA
18 *-----------------------------------------------------------------------------
19 */
20
21#ifndef _USB_COMMON_H_
22#define _USB_COMMON_H_
23
24#define bRequestType SETUPDAT[0]
25#define bRequest SETUPDAT[1]
26#define wValueL SETUPDAT[2]
27#define wValueH SETUPDAT[3]
28#define wIndexL SETUPDAT[4]
29#define wIndexH SETUPDAT[5]
30#define wLengthL SETUPDAT[6]
31#define wLengthH SETUPDAT[7]
32
33#define MSB(x) (((unsigned short) x) >> 8)
34#define LSB(x) (((unsigned short) x) & 0xff)
35
36extern volatile bit _usb_got_SUDAV;
37
38// Provided by user application to report device status.
39// returns non-zero if it handled the command.
40unsigned char app_get_status (void);
41// Provided by user application to handle VENDOR commands.
42// returns non-zero if it handled the command.
43unsigned char app_vendor_cmd (void);
44
45void usb_install_handlers (void);
46void usb_handle_setup_packet (void);
47
48#define usb_setup_packet_avail() _usb_got_SUDAV
49
50#endif /* _USB_COMMON_H_ */
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