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Fork of mbed by
BusIn.h
- Committer:
- simon.ford@mbed.co.uk
- Date:
- 2008-04-08
- Revision:
- 0:82220227f4fa
- Child:
- 1:6b7f447ca868
File content as of revision 0:82220227f4fa:
/* 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