File content as of revision 0:fd0d7bdfcdc2:

/* mbed Microcontroller Library
 * Copyright (c) 2006-2012 ARM Limited
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#include "BusOut.h"

namespace mbed {

BusOut::BusOut(PinName p0, PinName p1, PinName p2, PinName p3, PinName p4, PinName p5, PinName p6, PinName p7, PinName p8, PinName p9, PinName p10, PinName p11, PinName p12, PinName p13, PinName p14, PinName p15) {
    PinName pins[16] = {p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15};
    
    for (int i=0; i<16; i++) {
        _pin[i] = (pins[i] != NC) ? new DigitalOut(pins[i]) : 0;
    }
}

BusOut::BusOut(PinName pins[16]) {
    for (int i=0; i<16; i++) {
        _pin[i] = (pins[i] != NC) ? new DigitalOut(pins[i]) : 0;
    }
}

BusOut::~BusOut() {
    for (int i=0; i<16; i++) {
        if (_pin[i] != 0) {
            delete _pin[i];
        }
    }
}

void BusOut::write(int value) {
    for (int i=0; i<16; i++) {
        if (_pin[i] != 0) {
            _pin[i]->write((value >> i) & 1);
        }
    }
}

int BusOut::read() {
    int v = 0;
    for (int i=0; i<16; i++) {
        if (_pin[i] != 0) {
            v |= _pin[i]->read() << i;
        }
    }
    return v;
}

#ifdef MBED_OPERATORS
BusOut& BusOut::operator= (int v) {
    write(v);
    return *this;
}

BusOut& BusOut::operator= (BusOut& rhs) {
    write(rhs.read());
    return *this;
}

BusOut::operator int() {
    return read();
}
#endif

} // namespace mbed