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authorMichal Idziorek <m.i@gmx.at>2015-05-18 00:48:07 +0200
committerMichal Idziorek <m.i@gmx.at>2015-05-18 00:48:07 +0200
commitdb22b587966b4a4eaa47536f32ca812532446bcb (patch)
treeb6d471f5232973713ef64d9c81feefef51ee5eaf /fs/ringbuffer.h
parent042e25e19b5fc0cec1d47440c26246c886cf39f6 (diff)
heavy refactoring underway
Diffstat (limited to 'fs/ringbuffer.h')
-rw-r--r--fs/ringbuffer.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/fs/ringbuffer.h b/fs/ringbuffer.h
new file mode 100644
index 0000000..31d00cf
--- /dev/null
+++ b/fs/ringbuffer.h
@@ -0,0 +1,27 @@
+#ifndef RINGBUFFER_H
+#define RINGBUFFER_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+// Simple FIRST IN FIRST OUT
+// requires kballoc - block allocation
+typedef struct ringbuffer_struct
+{
+ uint32_t size;
+ uint32_t front;
+ uint32_t back;
+
+ uint8_t *data;
+
+}ringbuffer;
+
+// create new fifo of given size (in blocks)
+ringbuffer ringbuffer_init(uint32_t blocks);
+
+// true on success
+bool ringbuffer_put(ringbuffer*,uint8_t);
+uint8_t ringbuffer_get(ringbuffer*); // blocking
+bool ringbuffer_has(ringbuffer*); // check if somehting waiting?
+
+#endif