From 2baeb59e61b110e86a468b0b37c0fadf9dfe003c Mon Sep 17 00:00:00 2001
From: Michael Zillgith <michael.zillgith@mz-automation.de>
Date: Fri, 20 Nov 2020 13:27:12 +0100
Subject: [PATCH] - added Hal_getTimeInNs function for windows

---
 .../iec61850_9_2_LE_example.c                  |  2 ++
 hal/time/win32/time.c                          | 18 +++++++++++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/examples/iec61850_9_2_LE_example/iec61850_9_2_LE_example.c b/examples/iec61850_9_2_LE_example/iec61850_9_2_LE_example.c
index a7a016e6..34aba48e 100644
--- a/examples/iec61850_9_2_LE_example/iec61850_9_2_LE_example.c
+++ b/examples/iec61850_9_2_LE_example/iec61850_9_2_LE_example.c
@@ -27,6 +27,8 @@
 #include <signal.h>
 #include <stdlib.h>
 #include <stdio.h>
+
+#define _USE_MATH_DEFINES
 #include <math.h>
 
 /* Include the generated header with the model access handles */
diff --git a/hal/time/win32/time.c b/hal/time/win32/time.c
index af58793f..0b182d20 100644
--- a/hal/time/win32/time.c
+++ b/hal/time/win32/time.c
@@ -34,10 +34,26 @@ Hal_getTimeInMs()
 	uint64_t now;
 
 	static const uint64_t DIFF_TO_UNIXTIME = 11644473600000LL;
-
+	                                         
 	GetSystemTimeAsFileTime(&ft);
 
 	now = (LONGLONG)ft.dwLowDateTime + ((LONGLONG)(ft.dwHighDateTime) << 32LL);
 
 	return (now / 10000LL) - DIFF_TO_UNIXTIME;
 }
+
+nsSinceEpoch
+Hal_getTimeInNs()
+{
+	FILETIME ft;
+
+	static const uint64_t DIFF_TO_UNIXTIME = 11644473600000000000LL;
+
+	GetSystemTimeAsFileTime(&ft);
+
+	nsSinceEpoch nsTime = (LONGLONG)ft.dwLowDateTime + ((LONGLONG)(ft.dwHighDateTime) << 32LL);
+
+	nsTime = nsTime * 100LL - DIFF_TO_UNIXTIME;
+
+	return nsTime;
+}