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fix whitespace

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This commit is contained in:
William Entriken 2016-03-01 11:38:10 -05:00
parent b09a87a9da
commit 95a64bbe76
1 changed files with 50 additions and 50 deletions
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100
main.c
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@ -15,64 +15,64 @@ mach_port_t clock_port;
mach_timespec_t remain; mach_timespec_t remain;
static inline void square_am_signal(float time, float frequency) { static inline void square_am_signal(float time, float frequency) {
printf("Playing / %0.3f seconds / %4.0f Hz\n", time, frequency); printf("Playing / %0.3f seconds / %4.0f Hzn", time, frequency);
uint64_t period = NSEC_PER_SEC / frequency; uint64_t period = NSEC_PER_SEC / frequency;
uint64_t start = mach_absolute_time(); uint64_t start = mach_absolute_time();
uint64_t end = start + time * NSEC_PER_SEC; uint64_t end = start + time * NSEC_PER_SEC;
while (mach_absolute_time() < end) { while (mach_absolute_time() < end) {
uint64_t mid = start + period / 2; uint64_t mid = start + period / 2;
uint64_t reset = start + period; uint64_t reset = start + period;
while (mach_absolute_time() < mid) { while (mach_absolute_time() < mid) {
_mm_stream_si128(&reg, reg_one); _mm_stream_si128(&reg, reg_one);
_mm_stream_si128(&reg, reg_zero); _mm_stream_si128(&reg, reg_zero);
}
clock_sleep_trap(clock_port, TIME_ABSOLUTE, reset / NSEC_PER_SEC, reset % NSEC_PER_SEC, &remain);
start = reset;
} }
clock_sleep_trap(clock_port, TIME_ABSOLUTE, reset / NSEC_PER_SEC, reset % NSEC_PER_SEC, &remain);
start = reset;
}
} }
int main() int main()
{ {
mach_timebase_info_data_t theTimeBaseInfo; mach_timebase_info_data_t theTimeBaseInfo;
mach_timebase_info(&theTimeBaseInfo); mach_timebase_info(&theTimeBaseInfo);
puts("TESTING TIME BASE: the following should be 1 / 1"); puts("TESTING TIME BASE: the following should be 1 / 1");
printf(" Mach base: %u / %u nanoseconds\n\n", theTimeBaseInfo.numer, theTimeBaseInfo.denom); printf(" Mach base: %u / %u nanosecondsnn", theTimeBaseInfo.numer, theTimeBaseInfo.denom);
uint64_t start = mach_absolute_time(); uint64_t start = mach_absolute_time();
uint64_t end = mach_absolute_time(); uint64_t end = mach_absolute_time();
printf("TESTING TIME TO EXECUTE mach_absolute_time()\n Result: %lld nanoseconds\n\n", end - start); printf("TESTING TIME TO EXECUTE mach_absolute_time()n Result: %lld nanosecondsnn", end - start);
reg_zero = _mm_set_epi32(0, 0, 0, 0); reg_zero = _mm_set_epi32(0, 0, 0, 0);
reg_one = _mm_set_epi32(-1, -1, -1, -1); reg_one = _mm_set_epi32(-1, -1, -1, -1);
while (1) { while (1) {
square_am_signal(0.400, 2673); square_am_signal(0.400, 2673);
square_am_signal(0.400, 2349); square_am_signal(0.400, 2349);
square_am_signal(0.400, 2093); square_am_signal(0.400, 2093);
square_am_signal(0.400, 2349); square_am_signal(0.400, 2349);
square_am_signal(0.400, 2673); square_am_signal(0.400, 2673);
square_am_signal(0.400, 2673); square_am_signal(0.400, 2673);
square_am_signal(0.790, 2673); square_am_signal(0.790, 2673);
square_am_signal(0.400, 2349); square_am_signal(0.400, 2349);
square_am_signal(0.400, 2349); square_am_signal(0.400, 2349);
square_am_signal(0.790, 2349); square_am_signal(0.790, 2349);
square_am_signal(0.400, 2673); square_am_signal(0.400, 2673);
square_am_signal(0.400, 3136); square_am_signal(0.400, 3136);
square_am_signal(0.790, 3136); square_am_signal(0.790, 3136);
square_am_signal(0.400, 2673); square_am_signal(0.400, 2673);
square_am_signal(0.400, 2349); square_am_signal(0.400, 2349);
square_am_signal(0.400, 2093); square_am_signal(0.400, 2093);
square_am_signal(0.400, 2349); square_am_signal(0.400, 2349);
square_am_signal(0.400, 2673); square_am_signal(0.400, 2673);
square_am_signal(0.400, 2673); square_am_signal(0.400, 2673);
square_am_signal(0.400, 2673); square_am_signal(0.400, 2673);
square_am_signal(0.400, 2673); square_am_signal(0.400, 2673);
square_am_signal(0.400, 2349); square_am_signal(0.400, 2349);
square_am_signal(0.400, 2349); square_am_signal(0.400, 2349);
square_am_signal(0.400, 2673); square_am_signal(0.400, 2673);
square_am_signal(0.400, 2349); square_am_signal(0.400, 2349);
square_am_signal(0.790, 2093); square_am_signal(0.790, 2093);
} }
} }