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36 lines
740 B
C
36 lines
740 B
C
/*
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* FILE: ntp.h
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* AUTHOR: O.Hodson
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*
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* NTP utility functions to make rtp and rtp round time calculation
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* a little less painful.
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*
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* Copyright (c) 2000 University College London
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* All rights reserved.
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*
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* $Revision: 1.1 $
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* $Date: 2007/11/08 09:48:59 $
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*
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*/
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#ifndef _NTP_H
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#define _NTP_H
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#define ntp64_to_ntp32(ntp_sec, ntp_frac) \
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((((ntp_sec) & 0x0000ffff) << 16) | \
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(((ntp_frac) & 0xffff0000) >> 16))
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#define ntp32_sub(now, then) ((now) > (then)) ? ((now) - (then)) : (((now) - (then)) + 0x7fffffff)
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void ntp64_time(uint32_t *ntp_sec, uint32_t *ntp_frac);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* _NTP_H */
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