mbed libraries for KL25Z
BusIn.h
- Committer:
- emilmont
- Date:
- 2012-11-09
- Revision:
- 8:c14af7958ef5
- Parent:
- 0:8024c367e29f
- Child:
- 9:663789d7729f
File content as of revision 8:c14af7958ef5:
/* 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 "DigitalIn.h" namespace mbed { /** A digital input bus, used for reading the state of a collection of pins */ class BusIn { public: /* Group: Configuration Methods */ /** Create an BusIn, connected to the specified pins * * @param <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); BusIn(PinName pins[16]); virtual ~BusIn(); /** Read the value of the input bus * * @returns * An integer with each bit corresponding to the value read from the associated DigitalIn pin */ int read(); #ifdef MBED_OPERATORS /** A shorthand for read() */ operator int(); #endif protected: DigitalIn* _pin[16]; }; } // namespace mbed #endif