Diff: nine_ring/nine_ring.h

Revision:

0:c050eb7b0c10

diff -r 000000000000 -r c050eb7b0c10 nine_ring/nine_ring.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nine_ring/nine_ring.h	Mon Jul 13 07:54:11 2015 +0000
@@ -0,0 +1,31 @@
+#ifndef NL_RING
+#define NL_RING
+
+/**
+
+Simple Ring Buffer
+J.J.Trinder, based on original code for midi projects 199X
+updateded sometime to the MBED
+
+Yeh its atad klunky, it works and is useful to explain things to people...
+*/
+#define buff_size 120
+class NRing {
+public:
+        NRing();    
+        
+        void ring_init();
+        int ring_count();
+        long get_next();
+        int RingWriteToBuffer(long);        /* put byte in buffer       */ 
+        
+ protected:          
+        volatile int inIndex; /* where to put next byte           */
+        volatile int inCount; /* how full is the buffer           */
+        volatile int outIndex;   /* for output to sio             */
+        
+
+  long opBuffer[buff_size];    /* our Ring out buffer  */
+}; 
+
+#endif
\ No newline at end of file