2 /*-----------------------------------------------------------------------------
\r
3 * FX2 specific subroutines
\r
4 *-----------------------------------------------------------------------------
\r
5 * Code taken from USRP2 firmware (GNU Radio Project), version 3.0.2,
\r
6 * Copyright 2003 Free Software Foundation, Inc.
\r
7 *-----------------------------------------------------------------------------
\r
8 * This code is part of usbjtag. usbjtag is free software; you can redistribute
\r
9 * it and/or modify it under the terms of the GNU General Public License as
\r
10 * published by the Free Software Foundation; either version 2 of the License,
\r
11 * or (at your option) any later version. usbjtag is distributed in the hope
\r
12 * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
\r
13 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\r
14 * GNU General Public License for more details. You should have received a
\r
15 * copy of the GNU General Public License along with this program in the file
\r
16 * COPYING; if not, write to the Free Software Foundation, Inc., 51 Franklin
\r
17 * St, Fifth Floor, Boston, MA 02110-1301 USA
\r
18 *-----------------------------------------------------------------------------
\r
21 #include "fx2utils.h"
\r
22 #include "fx2regs.h"
\r
26 fx2_stall_ep0 (void)
\r
32 fx2_reset_data_toggle (unsigned char ep)
\r
34 TOGCTL = ((ep & 0x80) >> 3 | (ep & 0x0f));
\r
35 TOGCTL |= bmRESETTOGGLE;
\r
39 fx2_renumerate (void)
\r
41 USBCS |= bmDISCON | bmRENUM;
\r
43 // mdelay (1500); // FIXME why 1.5 seconds?
\r
44 mdelay (250); // FIXME why 1.5 seconds?
\r
46 USBIRQ = 0xff; // clear any pending USB irqs...
\r
47 EPIRQ = 0xff; // they're from before the renumeration
\r
49 EXIF &= ~bmEXIF_USBINT;
\r
51 USBCS &= ~bmDISCON; // reconnect USB
\r