Diff: queue/queue.h

Revision:

0:26a151d2c6db

Child:

15:3f742edaa359

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/queue/queue.h	Wed Jan 08 07:32:30 2014 +0000
@@ -0,0 +1,53 @@
+/**************************** queue.h ****************************************/
+/*                                                                           */
+/*  Authers: Greg Abdo.                                                      */
+/*  Date:    February 23, 2013                                               */
+/*  Version: 1.0                                                             */
+/*                                                                           */
+/* The queue is used to stack StructureItem in order with a FILO arrangement.*/
+/*****************************************************************************/
+
+#ifndef QUEUE_H
+#define QUEUE_H
+
+#include "mbed.h"
+
+using namespace std;
+
+const int MAXQUEUELENGTH = 4;
+
+class queue
+{
+public: 
+    queue();                        // Queue constructor
+    ~queue();                       // Queue destructor
+
+    bool isEmpty();                 // Check for an empty queue.
+    void clear();                   // Clears the entire queue.
+    void add( short* );              // Push commandData into the queue.
+    short* peek();                   // Look at the last item in the queue.
+    short* pop();                    // Pop the top item off the queue.
+    short queueLength();              // Return how many objects are in the queue.
+
+private:
+    int length;
+    
+    struct queueNode                // Node object for the queue.
+    {
+        queueNode( short* array )
+        {
+            data = array;
+            next = NULL;
+        }
+
+        ~queueNode()
+        {}
+
+        short* data;                 // Pointer to the StructureItem object.
+        queueNode * next;           // Next node in the queue.
+    };  
+
+    queueNode * front;              // Root of the queue.
+};
+
+#endif