Diff: Node/Observer/BufferedOutput/BufferedOutput.h

Revision:

0:99928431bb44

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Node/Observer/BufferedOutput/BufferedOutput.h	Tue Jul 07 09:36:12 2015 +0000
@@ -0,0 +1,48 @@
+
+#ifndef BUFFEREDOUTPUT_H
+#define BUFFEREDOUTPUT_H
+
+// Dependancies
+#include "mbed.h"
+#include "debug.h"
+
+// Circular buffer for mavlink characters
+const int framesBufferSize = 255;
+
+class BufferedOutput
+{
+    public:
+    
+        // Constructor
+        BufferedOutput( Serial& serial ) ;
+        
+        // Contains the MAVlink passthrough background tasks
+        void executeBackgroundTask() ;
+        
+        // Adding a frame to the output buffer
+        //void addFrame( char* frame, char length ) ;
+        
+        // Adding a character to the output buffer
+        void addChar( char c ) ;
+
+    protected:
+    
+        // Serial object where outward frames are written
+        Serial& framesOut ;
+        
+        // Frames Send Callback
+        void framesOutCallback() ;
+        
+        // Buffer which hold mavlink characters received via the serial connection
+        char framesBuffer[ framesBufferSize + 1 ] ;
+        // Pointers to entry and exit points to the buffer
+        volatile char framesBufferIn  ;
+        volatile char framesBufferOut  ;
+        
+        // Indicates if a frame is currently being transfered over serial
+        bool frameTransferInProgress ;
+    
+} ;
+
+
+#endif
\ No newline at end of file