source: trunk/FirmwareFX2/fx2/timer.h@ 89

Last change on this file since 89 was 4, checked in by demin, 15 years ago

initial commit

File size: 1.4 KB
RevLine 
[4]1/* -*- c++ -*- */
2/*-----------------------------------------------------------------------------
3 * Timer handling 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 _TIMER_H_
22#define _TIMER_H_
23
24/*
25 * Arrange to have isr_tick_handler called at 100 Hz
26 */
27void hook_timer_tick (unsigned short isr_tick_handler);
28
29#define clear_timer_irq() \
30 TF2 = 0 /* clear overflow flag */
31
32
33#endif /* _TIMER_H_ */
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