From 852a2ef8a52973b7d94bb0a1cac3ee61bc57bdd3 Mon Sep 17 00:00:00 2001
From: Eggert Jung <eggert.s.jung@wischhof13.de>
Date: Thu, 29 Apr 2021 01:45:30 +0200
Subject: [PATCH] add header guards to buffer h

---
 buffer.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/buffer.h b/buffer.h
index 5ba5852..d2e4399 100644
--- a/buffer.h
+++ b/buffer.h
@@ -1,3 +1,6 @@
+#ifndef _BUFFER_H_
+#define _BUFFER_H_
+
 #include <stdint.h>
 
 #define BUFFER_SIZE 200
@@ -9,3 +12,5 @@ typedef struct {
 
 void insert_to_buffer(uint16_t val, volatile buffer_t* buf);
 float get_buffer_mean(volatile buffer_t* buf);
+
+#endif//_BUFFER_H_