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/* |
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Time.h |
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FreeBob Streaming API |
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FreeBob = Firewire (pro-)audio for linux |
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http://freebob.sf.net |
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Copyright (C) 2005,2006 Pieter Palmers <pieterpalmers@users.sourceforge.net> |
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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 Lesser General Public License as published by |
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the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. |
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You should have received a copy of the GNU Lesser General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 freebob_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 FreebobSleep(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 freebob_microsecs_t __freebob_cpu_mhz; |
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extern freebob_microsecs_t GetMhz(); |
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extern void InitTime(); |
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static inline freebob_microsecs_t GetMicroSeconds (void) { |
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return get_cycles() / __freebob_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 freebob_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 (freebob_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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