Add function to get elapsed time

capehill · Oct 6, 2022 · 9829365 · 9829365
1 parent 2f92268
commit 9829365
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Showing 2 changed files with 22 additions and 2 deletions.
diff --git a/timer.c b/timer.c
@@ -1,21 +1,22 @@
 #include "timer.h"
 #include "logger.h"
+#include "profiling.h"
 
 #include <proto/exec.h>
 #include <proto/timer.h>
 #include <dos/dos.h>
 
 #include <stdio.h>
 
+static MyClock start;
 static ULONG frequency = 0;
 static int users = 0;
 
 TimerContext triggerTimer;
 
 static void read_frequency(void)
 {
-    struct EClockVal clockVal;
-    frequency = ITimer->ReadEClock(&clockVal);
+    frequency = ITimer->ReadEClock(&start.clockVal);
 
     logLine("Timer frequency %lu ticks / second", frequency);
 }
@@ -217,3 +218,20 @@ double timer_ticks_to_us(const uint64 ticks)
 {
     return 1000000.0 * timer_ticks_to_s(ticks);
 }
+
+double timer_get_elapsed_seconds()
+{
+    double time = 0.0;
+
+    if (ITimer) {
+        struct MyClock now;
+
+        ITimer->ReadEClock(&now.clockVal);
+
+        const uint64 elapsed = now.ticks - start.ticks;
+        time = timer_ticks_to_s(elapsed);
+    }
+
+    return time;
+}
+
diff --git a/timer.h b/timer.h
@@ -33,4 +33,6 @@ double timer_ticks_to_s(const uint64 ticks);
 double timer_ticks_to_ms(const uint64 ticks);
 double timer_ticks_to_us(const uint64 ticks);
 
+double timer_get_elapsed_seconds();
+
 #endif