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Diff: api/BusOut.h
- Revision:
- 13:0645d8841f51
- Parent:
- 10:3bc89ef62ce7
- Child:
- 212:34d62c0b2af6
--- a/api/BusOut.h Wed Jul 24 11:11:21 2013 +0100 +++ b/api/BusOut.h Mon Aug 05 14:12:34 2013 +0300 @@ -1,76 +1,76 @@ -/* mbed Microcontroller Library - * Copyright (c) 2006-2013 ARM Limited - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#ifndef MBED_BUSOUT_H -#define MBED_BUSOUT_H - -#include "DigitalOut.h" - -namespace mbed { - -/** A digital output bus, used for setting the state of a collection of pins - */ -class BusOut { - -public: - - /** Create an BusOut, connected to the specified pins - * - * @param 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); - - BusOut(PinName pins[16]); - - virtual ~BusOut(); - - /** Write the value to the output bus - * - * @param value An integer specifying a bit to write for every corresponding DigitalOut pin - */ - void write(int value); - - /** Read the value currently output on the bus - * - * @returns - * An integer with each bit corresponding to associated DigitalOut pin setting - */ - int read(); - -#ifdef MBED_OPERATORS - /** A shorthand for write() - */ - BusOut& operator= (int v); - BusOut& operator= (BusOut& rhs); - - /** A shorthand for read() - */ - operator int(); -#endif - -protected: - DigitalOut* _pin[16]; -}; - -} // namespace mbed - -#endif +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef MBED_BUSOUT_H +#define MBED_BUSOUT_H + +#include "DigitalOut.h" + +namespace mbed { + +/** A digital output bus, used for setting the state of a collection of pins + */ +class BusOut { + +public: + + /** Create an BusOut, connected to the specified pins + * + * @param 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); + + BusOut(PinName pins[16]); + + virtual ~BusOut(); + + /** Write the value to the output bus + * + * @param value An integer specifying a bit to write for every corresponding DigitalOut pin + */ + void write(int value); + + /** Read the value currently output on the bus + * + * @returns + * An integer with each bit corresponding to associated DigitalOut pin setting + */ + int read(); + +#ifdef MBED_OPERATORS + /** A shorthand for write() + */ + BusOut& operator= (int v); + BusOut& operator= (BusOut& rhs); + + /** A shorthand for read() + */ + operator int(); +#endif + +protected: + DigitalOut* _pin[16]; +}; + +} // namespace mbed + +#endif