30 lines
687 B
C
30 lines
687 B
C
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#ifndef DEVICES_TIMER_H
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#define DEVICES_TIMER_H
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#include <round.h>
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#include <stdint.h>
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/* Number of timer interrupts per second. */
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#define TIMER_FREQ 100
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void timer_init (void);
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void timer_calibrate (void);
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int64_t timer_ticks (void);
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int64_t timer_elapsed (int64_t);
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/* Sleep and yield the CPU to other threads. */
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void timer_sleep (int64_t ticks);
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void timer_msleep (int64_t milliseconds);
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void timer_usleep (int64_t microseconds);
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void timer_nsleep (int64_t nanoseconds);
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/* Busy waits. */
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void timer_mdelay (int64_t milliseconds);
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void timer_udelay (int64_t microseconds);
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void timer_ndelay (int64_t nanoseconds);
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void timer_print_stats (void);
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#endif /* devices/timer.h */
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