Diff: BusInOut.h

Revision:

11:1c1ebd0324fa

Child:

27:7110ebee3484

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BusInOut.h	Fri Aug 28 12:10:11 2009 +0000
@@ -0,0 +1,116 @@
+/* mbed Microcontroller Library - BusInOut
+ * Copyright (c) 2009 ARM Limited. All rights reserved.
+ * sford, rmeyer
+ */
+ 
+#ifndef MBED_BUSINOUT_H
+#define MBED_BUSINOUT_H
+
+#include "platform.h" 
+#include "PinNames.h"
+#include "PeripheralNames.h"
+#include "Base.h"
+#include "DigitalInOut.h"
+
+namespace mbed {
+
+/* Class: BusInOut
+ *  A digital input output bus, used for setting the state of a collection of pins
+ */
+class BusInOut : public Base {
+
+public:
+
+    /* Group: Configuration Methods */
+	
+    /* Constructor: BusInOut
+     *  Create an BusInOut, connected to the specified pins
+     *
+     * Variables:
+     *  p<n> - DigitalInOut pin to connect to bus bit p<n> (p5-p30, NC)
+     *
+     * Note:
+     *  It is only required to specify as many pin variables as is required
+     *  for the bus; the rest will default to NC (not connected)
+   	 */ 
+    BusInOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
+             PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
+             PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
+             PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC, 
+             const char *name = NULL);
+
+    BusInOut(PinName pins[16], const char *name = NULL);
+
+    virtual ~BusInOut();
+
+    /* Group: Access Methods */
+		
+    /* Function: write
+     *  Write the value to the output bus
+     *
+     * Variables:
+     *  value - An integer specifying a bit to write for every corresponding DigitalInOut 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 DigitalInOut pin setting
+     */
+    int read();
+
+    /* Function: output
+     *  Set as an output
+     */
+    void output();
+
+    /* Function: input
+     *  Set as an input
+     */
+    void input();
+
+    /* Function: mode
+     *  Set the input pin mode
+     *
+     * Variables:
+     *  mode - PullUp, PullDown, PullNone
+     */
+    void mode(PinMode pull);
+ 
+#ifdef MBED_OPERATORS
+    /* Group: Access Method Shorthand */
+	   
+   	/* Function: operator=
+     *  A shorthand for <write>
+     */
+    BusInOut& operator= (int v);
+    BusInOut& operator= (BusInOut& rhs);
+
+    /* Function: operator int()
+     *  A shorthand for <read>
+     */
+    operator int();
+#endif
+
+#ifdef MBED_RPC
+    virtual const struct rpc_method *get_rpc_methods();
+    static struct rpc_class *get_rpc_class();
+#endif
+
+protected:
+
+    DigitalInOut* _pin[16];
+
+#ifdef MBED_RPC
+    static void construct(const char *arguments, char *res);
+#endif
+			
+};
+
+} // namespace mbed
+
+#endif
+