Diff: menbed/include/menbedButtonHandler.h

Revision:

3:ec80bb6ff5da

Parent:

0:936f1c020120

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/menbed/include/menbedButtonHandler.h	Tue Sep 11 10:21:10 2012 +0000
@@ -0,0 +1,38 @@
+#ifndef _MENBEDBUTTONHANDLER_H_
+#define _MENBEDBUTTONHANDLER_H_
+
+#include "mbed.h"
+#include "menbedNavigator.h"
+#include "menbedButtonHandlerTimespec.h"
+
+class MenbedButtonHandler {
+public:
+    MenbedButtonHandler(PinName selectPin, PinName downPin, PinName upPin, PinName cancelPin,
+        MenbedButtonHandlerTimespec *timespec, MenbedNavigator *navigator);
+    MenbedButtonHandler(PinName selectPin, PinName downPin, PinName upPin,
+        MenbedButtonHandlerTimespec *timespec, MenbedNavigator *navigator);
+    MenbedButtonHandler(PinName selectPin, PinName downPin,
+        MenbedButtonHandlerTimespec *timespec, MenbedNavigator *navigator);
+                  
+protected:
+    DigitalIn *select, *down, *up, *cancel;
+    MenbedButtonHandlerTimespec *timespec;
+    MenbedNavigator *navigator;
+    
+    Ticker ticker;
+    uint32_t tickerPeriod_us;
+    uint32_t currentTime_us;
+    
+    int numButtons;
+    
+    uint32_t buttonPushedTime_us[4]; // Absolute time button first depressed
+    bool buttonDebounced[4]; // Keep track of which buttons are debounced
+    uint32_t buttonLastTypematicTime_us[4]; // Abs. time of last virtual push
+    bool buttonAlreadyDepressed[4]; // Keep track of state b/t calls to tick()
+    
+    void init (void);
+    void tick (void);
+    bool isButtonDepressed (MenbedButtonEvent::ButtonName);
+};
+
+#endif /* _MENBEDBUTTONHANDLER_H_ */
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