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