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/* |
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Copyright (C) 2005-2007 by Pieter Palmers |
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This file is part of FFADO |
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FFADO = Free Firewire (pro-)audio drivers for linux |
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FFADO is based upon FreeBoB. |
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Based upon JackTime.h from the jackdmp package. |
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Original Copyright: |
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Copyright (C) 2001-2003 Paul Davis |
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Copyright (C) 2004-2006 Grame |
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This program 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 2 of the License, or |
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(at your option) any later version. |
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This program 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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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#ifndef __Time__ |
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#define __Time__ |
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#include <stdio.h> |
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#include <inttypes.h> |
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// #define GETCYCLE_TIME |
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/** |
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* Type used to represent the value of free running |
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* monotonic clock with units of microseconds. |
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*/ |
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typedef uint64_t ffado_microsecs_t; |
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#ifdef __cplusplus |
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extern "C" |
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{ |
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#endif |
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#include <unistd.h> |
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static inline void FFADOSleep(long usec) { |
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usleep(usec); |
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} |
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#ifdef GETCYCLE_TIME |
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#include "cycles.h" |
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extern ffado_microsecs_t __ffado_cpu_mhz; |
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extern ffado_microsecs_t GetMhz(); |
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extern void InitTime(); |
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static inline ffado_microsecs_t GetMicroSeconds (void) { |
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return get_cycles() / __ffado_cpu_mhz; |
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} |
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#else |
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#include <time.h> |
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extern void InitTime(); |
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static inline ffado_microsecs_t GetMicroSeconds (void) { |
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struct timespec ts; |
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clock_gettime(CLOCK_MONOTONIC, &ts); |
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return (ffado_microsecs_t)ts.tv_sec * 1000000LL + ts.tv_nsec / 1000; |
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} |
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#endif |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif |
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