/usr/include/simavr/sim_time.h is in libsimavr-dev 1.5+dfsg1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | /*
sim_time.h
Copyright 2008-2012 Michel Pollet <buserror@gmail.com>
This file is part of simavr.
simavr is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
simavr is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with simavr. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __SIM_TIME_H___
#define __SIM_TIME_H___
#ifdef __cplusplus
extern "C" {
#endif
#include "sim_avr.h"
// converts a number of usec to a number of machine cycles, at current speed
static inline avr_cycle_count_t
avr_usec_to_cycles(struct avr_t * avr, uint32_t usec)
{
return avr->frequency * (avr_cycle_count_t)usec / 1000000;
}
// converts back a number of cycles to usecs (for usleep)
static inline uint32_t
avr_cycles_to_usec(struct avr_t * avr, avr_cycle_count_t cycles)
{
return 1000000L * cycles / avr->frequency;
}
// converts back a number of cycles to nsecs
static inline uint64_t
avr_cycles_to_nsec(struct avr_t * avr, avr_cycle_count_t cycles)
{
return (uint64_t)1E6 * (uint64_t)cycles / (avr->frequency/1000);
}
// converts a number of hz (to megahertz etc) to a number of cycle
static inline avr_cycle_count_t
avr_hz_to_cycles(avr_t * avr, uint32_t hz)
{
return avr->frequency / hz;
}
#ifdef __cplusplus
};
#endif
#endif /* __SIM_TIME_H___ */
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