From 76c3a84c29c451d164575134b29986f3bbc42656 Mon Sep 17 00:00:00 2001
From: asterix <asterix@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Wed, 11 Jan 2012 14:40:09 +0000
Subject: [PATCH] fifobuf: introduce DECLARE_FIFO() macro
Introduce a macro to declare a static and correctly initialized
FIFOBuffer.
git-svn-id: https://src.develer.com/svnoss/bertos/trunk@5234 38d2e660-2303-0410-9eaa-f027e97ec537
---
bertos/struct/fifobuf.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/bertos/struct/fifobuf.h b/bertos/struct/fifobuf.h
index f58e1c0a..117431be 100644
--- a/bertos/struct/fifobuf.h
+++ b/bertos/struct/fifobuf.h
@@ -92,6 +92,19 @@ typedef struct FIFOBuffer
)
+/**
+ * Declare a static fifo buffer
+ */
+#define DECLARE_FIFO(_name, _ptr, _size) \
+ FIFOBuffer _name = \
+ { \
+ .head = (_ptr), \
+ .tail = (_ptr), \
+ .begin = (_ptr), \
+ .end = (_ptr) + (_size) - 1, \
+ }; \
+ STATIC_ASSERT((_size) > 1)
+
/**
* Check whether the fifo is empty
*
--
2.34.1