root / firmware / fx2 / lib / fx2utils.c @ 70eae1d2
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/* -*- c++ -*- */
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/*
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* Copyright 2003 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "fx2utils.h" |
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#include "fx2regs.h" |
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#include "delay.h" |
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void
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fx2_stall_ep0 (void)
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{
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EP0CS |= bmEPSTALL; |
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} |
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void
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fx2_reset_data_toggle (unsigned char ep) |
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{
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TOGCTL = ((ep & 0x80) >> 3 | (ep & 0x0f)); |
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TOGCTL |= bmRESETTOGGLE; |
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} |
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void
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fx2_renumerate (void)
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{
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USBCS |= bmDISCON | bmRENUM; |
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// mdelay (1500); // FIXME why 1.5 seconds?
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mdelay (250); // FIXME why 1.5 seconds? |
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USBIRQ = 0xff; // clear any pending USB irqs... |
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EPIRQ = 0xff; // they're from before the renumeration |
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EXIF &= ~bmEXIF_USBINT; |
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USBCS &= ~bmDISCON; // reconnect USB
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} |