Diff: BusOut.h

Revision:

0:82220227f4fa

Child:

1:6b7f447ca868

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BusOut.h	Tue Apr 08 14:12:21 2008 +0000
@@ -0,0 +1,79 @@
+/* mbed Microcontroller Library - BusOut
+ * Copyright (c) 2007-2008, sford
+ */
+ 
+#ifndef MBED_BUSOUT_H
+#define MBED_BUSOUT_H
+
+#include "Base.h"
+#include "DigitalOut.h"
+
+namespace mbed {
+
+/* Class: BusOut
+ *  A digital output bus, used for setting the state of a collection of pins
+ */
+class BusOut : public Base {
+
+public:
+
+	/* Group: Configuration Methods */
+	
+	/* Constructor: BusOut
+	 *  Create an BusOut, connected to the specified pins
+	 *
+	 * Variables:
+	 *  p<n> - DigitalOut pin to connect to bus bit <n> (5-30, NOT_CONNECTED)
+     *
+     * Note:
+     *  It is only required to specify as many pin variables as is required
+     *  for the bus; the rest will default to NOT_CONNECTED
+   	 */ 
+	BusOut(int p0, int p1 = NOT_CONNECTED, int p2 = NOT_CONNECTED, int p3 = NOT_CONNECTED,
+		  int p4 = NOT_CONNECTED, int p5 = NOT_CONNECTED, int p6 = NOT_CONNECTED, int p7 = NOT_CONNECTED,
+		  int p8 = NOT_CONNECTED, int p9 = NOT_CONNECTED, int p10 = NOT_CONNECTED, int p11 = NOT_CONNECTED,
+		  int p12 = NOT_CONNECTED, int p13 = NOT_CONNECTED, int p14 = NOT_CONNECTED, int p15 = NOT_CONNECTED);
+
+	virtual ~BusOut();
+
+	/* Group: Access Methods */
+		
+	/* Function: write
+	 *  Write the value to the output bus
+	 *
+	 * Variables:
+	 *  value - An integer specifying a bit to write for every corresponding DigitalOut pin
+	 */
+    void write(int value);
+
+		
+	/* Function: read
+	 *  Read the value currently output on the bus
+	 *
+	 * Variables:
+	 *  returns - An integer with each bit corresponding to associated DigitalOut pin setting
+	 */
+    int read();
+
+	/* Group: Access Method Shorthand */
+	   
+   	/* Function: operator=
+	 *  A shorthand for <write>
+	 */
+	BusOut& operator= (int v);
+	BusOut& operator= (BusOut& rhs);
+		
+	/* Function: operator int()
+	 *  A shorthand for <read>
+	 */
+	operator int();
+
+protected:
+
+	DigitalOut* _pin[16];
+			
+};
+
+} // namespace mbed
+
+#endif
\ No newline at end of file