Diff: MBED_ControlBus.h

Revision:

0:2467aed99127

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MBED_ControlBus.h	Wed Aug 31 19:45:31 2011 +0000
@@ -0,0 +1,51 @@
+/* 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"
+
+/** 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 
+*/
+class MBED_ControlBus {
+public:
+    MBED_ControlBus(PinName WR, PinName RD, PinName DTR, PinName CDBUF, PinName CDINT);
+    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 ();
+
+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
+  
+//Plain digital interrupt pin
+//    InterruptIn  _CDINT; // Keyboard interrupt pin
+
+//Debounced and Edge detected input pin (Andy Kirkmans's Lib)
+//    PinDetect  _CDINT; // Keyboard interrupt pin    
+       
+    bool _CDINT_detected;
+
+    void _init(); 
+};
+
+#endif
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