SD card interface
mbed-export/BusIn.h
- Committer:
- lharoon
- Date:
- 2012-10-08
- Revision:
- 0:22612ae617a0
File content as of revision 0:22612ae617a0:
/* mbed Microcontroller Library - DigitalIn * Copyright (c) 2007-2009 ARM Limited. All rights reserved. */ #ifndef MBED_BUSIN_H #define MBED_BUSIN_H #include "platform.h" #include "PinNames.h" #include "PeripheralNames.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> (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) */ BusIn(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); BusIn(PinName pins[16], const char *name = NULL); 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(); #ifdef MBED_OPERATORS /* Group: Access Method Shorthand */ /* 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: DigitalIn* _pin[16]; #ifdef MBED_RPC static void construct(const char *arguments, char *res); #endif }; } // namespace mbed #endif