Diff: inc/MicroBitButton.h

Revision:

1:3e0360107f98

Parent:

0:47d8ba08580f

--- a/inc/MicroBitButton.h	Sun Apr 12 17:38:56 2015 +0000
+++ b/inc/MicroBitButton.h	Thu Apr 16 13:50:24 2015 +0000
@@ -7,42 +7,44 @@
 #ifndef MICROBIT_BUTTON_H
 #define MICROBIT_BUTTON_H
 
+#include "mbed.h"
+
+#define MICROBIT_PIN_LEFT_BUTTON          P0_23
+
+#define MICROBIT_BUTTON_EVT_DOWN          1
+#define MICROBIT_BUTTON_EVT_UP            2
+
+
+
 class MicroBitButton
 {
     /**
       * Unique, enumerated ID for this component. 
       * Used to track asynchronous events in the event bus.
       */
-    int id;
-    int state;
+      
+    int id;             // Event Bus ID
+    PinName name;       // mBed pin name of this pin.
+    DigitalIn pin;      // The mBed object looking after this pin at any point in time (may change!).
+    InterruptIn irq;    // Handler to detect change events.
+       
+    void rising();      // Interrupt on change handler
+    void falling();     // Interrupt on change handler
     
     public:
     /**
       * Constructor. 
       * Create a pin representation with the given ID.
       * @param id the ID of the new LED object.
+      * @param name the physical pin on the processor that this butotn is connected to.
       */
-    MicroBitButton(int id, PinName pin);
+    MicroBitButton(int id, PinName name);
     
     /**
       * Tests if this Button is currently pressed.
       * @return 1 if this button is pressed, 0 otherwise.
       */
     int isPressed();
-
-     /**
-      * Enables asynchronous callback events from this button.
-      * When enabled, all state change updates will be propogated 
-      * along the MicroBitMessageBus using the device's ID.
-      */    
-    void enableCallback();
-    
-     /**
-      * Disables asynchronous callback events from this button.
-      * When disabled no state change updates will be propogated 
-      * along the MicroBitMessageBus from this button.
-      */    
-    void disableCallback();
     
 };