| [4] | 1 | /* -*- c++ -*- */
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| 2 | /*-----------------------------------------------------------------------------
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| 3 | * FX2 specific subroutines
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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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| 19 | */
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| 20 |
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| 21 | #include "fx2utils.h"
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| 22 | #include "fx2regs.h"
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| 23 | #include "delay.h"
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| 24 |
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| 25 | void
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| 26 | fx2_stall_ep0 (void)
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| 27 | {
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| 28 | EP0CS |= bmEPSTALL;
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| 29 | }
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| 30 |
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| 31 | void
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| 32 | fx2_reset_data_toggle (unsigned char ep)
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| 33 | {
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| 34 | TOGCTL = ((ep & 0x80) >> 3 | (ep & 0x0f));
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| 35 | TOGCTL |= bmRESETTOGGLE;
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| 36 | }
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| 37 |
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| 38 | void
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| 39 | fx2_renumerate (void)
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| 40 | {
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| 41 | USBCS |= bmDISCON | bmRENUM;
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| 42 |
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| 43 | // mdelay (1500); // FIXME why 1.5 seconds?
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| 44 | mdelay (250); // FIXME why 1.5 seconds?
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| 45 |
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| 46 | USBIRQ = 0xff; // clear any pending USB irqs...
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| 47 | EPIRQ = 0xff; // they're from before the renumeration
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| 48 |
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| 49 | EXIF &= ~bmEXIF_USBINT;
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| 50 |
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| 51 | USBCS &= ~bmDISCON; // reconnect USB
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| 52 | }
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