1sec and high smpling file record add.

[scilog/scilog.git] / ring.h

diff --git a/ring.h b/ring.h
new file mode 100644 (file)
index 0000000..21337eb
--- /dev/null
+++ b/ring.h
@@ -0,0 +1,33 @@
+
+
+#if    !defined(__RING_H__)
+#define        __RING_H__
+
+typedef struct {
+       // 読み出し位置　複数設定できる
+       int     *read;
+       // 書き込み位置
+       int     write;
+       // 最新データ位置
+       int     latest;
+       // バッファ個数
+       int     num;
+       // readポインタ個数
+       int     read_num;
+} RING_T;
+
+RING_T* ring_create(int read_num);
+void ring_destroy(RING_T *t);
+void ring_init(RING_T *t, int num);
+void ring_clear(RING_T *t, int no);
+int ring_read_get(RING_T *t, int no);
+void ring_read_set(RING_T *t, int no, int i);
+void ring_read_plus(RING_T *t, int no);
+int ring_write_get(RING_T *t);
+void ring_write_plus(RING_T *t);
+int ring_num_get(RING_T *t, int no);
+int ring_latest_get(RING_T *t);
+void ring_latest_set(RING_T *t, int i);
+int ring_is_full(RING_T *t, int no);
+
+#endif