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Diff: mbed/BusOut.h
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- 0:ad97421fb1fb
diff -r 000000000000 -r ad97421fb1fb mbed/BusOut.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed/BusOut.h Wed Apr 13 22:04:54 2016 +0000 @@ -0,0 +1,97 @@ +/* mbed Microcontroller Library - BusOut + * Copyright (c) 2007-2009 ARM Limited. All rights reserved. + */ + +#ifndef MBED_BUSOUT_H +#define MBED_BUSOUT_H + +#include "platform.h" +#include "PinNames.h" +#include "PeripheralNames.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> (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) + */ + BusOut(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); + + BusOut(PinName pins[16], const char *name = NULL); + + 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(); + +#ifdef MBED_OPERATORS + /* 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(); +#endif + +#ifdef MBED_RPC + virtual const struct rpc_method *get_rpc_methods(); + static struct rpc_class *get_rpc_class(); +#endif + +protected: + + DigitalOut* _pin[16]; + +#ifdef MBED_RPC + static void construct(const char *arguments, char *res); +#endif + +}; + +} // namespace mbed + +#endif +