Diff: BusIn.h

Revision:

0:82220227f4fa

Child:

1:6b7f447ca868

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BusIn.h	Tue Apr 08 14:12:21 2008 +0000
@@ -0,0 +1,64 @@
+/* mbed Microcontroller Library - BusIn
+ * Copyright (c) 2007-2008, sford
+ */
+ 
+#ifndef MBED_BUSIN_H
+#define MBED_BUSIN_H
+
+#include "Base.h"
+#include "DigitalIn.h"
+
+namespace mbed {
+
+/* Class: BusIn
+ *  A digital input bus, used for reading the state of a collection of pins
+ */
+class BusIn : public Base {
+
+public:
+
+	/* Group: Configuration Methods */
+
+	/* Constructor: BusIn
+	 *  Create an BusIn, connected to the specified pins
+	 *
+	 * Variables:
+	 *  p<n> - DigitalIn 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
+	 */ 
+	BusIn(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 ~BusIn();
+	
+	/* Group: Access Methods */
+		
+	/* Function: read
+	 *  Read the value of the input bus
+	 *
+	 * Variables:
+	 *  returns - An integer with each bit corresponding to the value read from the associated DigitalIn pin
+	 */
+    int read();
+	
+	/* Group: Access Method Shorthand */
+		
+	/* Function: operator int()
+	 *  A shorthand for <read>
+	 */
+	operator int();
+		
+protected:
+	
+	DigitalIn* _pin[16];
+	
+};
+
+}
+
+#endif
\ No newline at end of file