From 9b07d50daa0ce241d2677eebe777bc15b57ec7b0 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Thu, 21 Mar 2019 08:25:35 +0100
Subject: counter: add include guards

---
 include/arch/arduino-nano/driver/counter.h   | 5 +++++
 include/arch/msp430fr5994lp/driver/counter.h | 5 +++++
 include/arch/posix/driver/counter.h          | 5 +++++
 3 files changed, 15 insertions(+)

diff --git a/include/arch/arduino-nano/driver/counter.h b/include/arch/arduino-nano/driver/counter.h
index c4fc447..c89fb44 100644
--- a/include/arch/arduino-nano/driver/counter.h
+++ b/include/arch/arduino-nano/driver/counter.h
@@ -1,3 +1,6 @@
+#ifndef COUNTER_H
+#define COUNTER_H
+
 #include <avr/io.h>
 #include <avr/interrupt.h>
 
@@ -29,3 +32,5 @@ class Counter {
 };
 
 extern Counter counter;
+
+#endif
diff --git a/include/arch/msp430fr5994lp/driver/counter.h b/include/arch/msp430fr5994lp/driver/counter.h
index 61f0ec1..b95aba1 100644
--- a/include/arch/msp430fr5994lp/driver/counter.h
+++ b/include/arch/msp430fr5994lp/driver/counter.h
@@ -1,3 +1,6 @@
+#ifndef COUNTER_H
+#define COUNTER_H
+
 #include <msp430.h>
 #include <stdint.h>
 
@@ -28,3 +31,5 @@ class Counter {
 };
 
 extern Counter counter;
+
+#endif
diff --git a/include/arch/posix/driver/counter.h b/include/arch/posix/driver/counter.h
index 88cb0cc..eeb6da4 100644
--- a/include/arch/posix/driver/counter.h
+++ b/include/arch/posix/driver/counter.h
@@ -1,3 +1,6 @@
+#ifndef COUNTER_H
+#define COUNTER_H
+
 #include <stdint.h>
 #include <time.h>
 
@@ -32,3 +35,5 @@ class Counter {
 };
 
 extern Counter counter;
+
+#endif
-- 
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