From e5deb57b7cb8a2fcc17dffb216c98046bad294a2 Mon Sep 17 00:00:00 2001
From: h2-addad <hamza2.addad@live.uwe.ac.uk>
Date: Sun, 16 Jul 2023 00:39:18 +0000
Subject: [PATCH] Update

---
 src/devices/timer.h | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 src/devices/timer.h

diff --git a/src/devices/timer.h b/src/devices/timer.h
new file mode 100644
index 0000000..cd3d6bb
--- /dev/null
+++ b/src/devices/timer.h
@@ -0,0 +1,29 @@
+#ifndef DEVICES_TIMER_H
+#define DEVICES_TIMER_H
+
+#include <round.h>
+#include <stdint.h>
+
+/* Number of timer interrupts per second. */
+#define TIMER_FREQ 100
+
+void timer_init (void);
+void timer_calibrate (void);
+
+int64_t timer_ticks (void);
+int64_t timer_elapsed (int64_t);
+
+/* Sleep and yield the CPU to other threads. */
+void timer_sleep (int64_t ticks);
+void timer_msleep (int64_t milliseconds);
+void timer_usleep (int64_t microseconds);
+void timer_nsleep (int64_t nanoseconds);
+
+/* Busy waits. */
+void timer_mdelay (int64_t milliseconds);
+void timer_udelay (int64_t microseconds);
+void timer_ndelay (int64_t nanoseconds);
+
+void timer_print_stats (void);
+
+#endif /* devices/timer.h */
-- 
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