Diff: MBED_ControlBus.h

Revision:

2:1dab1089c332

Child:

4:745fbbd5e4e5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MBED_ControlBus.h	Sat Aug 20 12:49:44 2011 +0000
@@ -0,0 +1,67 @@
+/* MBED_ControlBus - Use the MBED Port pins for controlling the Bus
+ * Copyright (c) 2011 Wim Huiskamp
+ *
+ * Released under the MIT License: http://mbed.org/license/mit
+ *
+ * version 0.2 Initial Release
+*/
+#ifndef _MBED_CONTROLBUS_H
+#define _MBED_CONTROLBUS_H
+
+//Enums for Control Bus
+#include "BusEnums.h"
+
+//Debounce and Edge detecting stuff
+#include "PinDetect.h"
+
+/** Create an MBED_ControlBus object connected to the specified Pins
+ *
+ * @param PinName WR the Write pin 
+ * @param PinName RD the Read pin 
+ * @param PinName DTR the databuffer Transmit/Receive direction pin 
+ * @param PinName CDBUF the databuffer enable pin
+ * @param PinName CDINT the Keyboard interrupt pin 
+ * @param PinName FIRE the Manual Fire Unit pin    
+*/
+class MBED_ControlBus {
+public:
+    MBED_ControlBus(PinName WR, PinName RD, PinName DTR, PinName CDBUF, PinName CDINT, PinName FIRE);
+    void WR (Bit_Level wr_level);
+    void RD (Bit_Level rd_level);
+    void busdir (Bus_Dir buf_dir);    
+    void busctrl (Bus_Ena buf_ena, Bus_Dir buf_dir);   
+    Bit_Level CDINT ();
+    Bit_Level FIRE ();    
+protected:
+    DigitalOut _WR;    // Write pin 
+    DigitalOut _RD;    // Read pin 
+    DigitalOut _DTR;   // Databuffer Transmit/Receive direction pin 
+    DigitalOut _CDBUF; // Databuffer enable pin
+    
+//Plain digital input pin
+//    DigitalIn  _CDINT; // Keyboard interrupt pin
+//    DigitalIn  _FIRE;  // Fire interrupt pin
+    
+//Plain digital interrupt pin
+//    InterruptIn  _CDINT; // Keyboard interrupt pin
+//    InterruptIn  _FIRE;  // Fire interrupt pin
+
+//Debounced and Edge detected input pin (Andy Kirkmans's Lib
+    PinDetect  _CDINT; // Keyboard interrupt pin    
+    PinDetect  _FIRE;  // Fire interrupt pin
+        
+    bool _CDINT_detected;
+    bool _FIRE_detected;
+
+    void _CDINT_activated();
+    void _CDINT_deactivated();
+    void _CDINT_init();        
+
+    void _FIRE_activated();
+    void _FIRE_deactivated();
+    void _FIRE_init();        
+
+    void _init(); 
+};
+
+#endif
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