Ermanno Brusadin / mbed

mbed library sources

Dependents:   FRDM-KL46Z_LCD_Test FRDM-KL46Z_LCD_Test FRDM-KL46Z_Plantilla FRDM-KL46Z_Plantilla ... more

common/BusOut.cpp@0:6bc4ac881c8e, 2016-07-28 (annotated)

Committer:
ebrus
Date:
Thu Jul 28 15:56:34 2016 +0000
Revision:
0:6bc4ac881c8e
1;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ebrus 0:6bc4ac881c8e 1 /* mbed Microcontroller Library
ebrus 0:6bc4ac881c8e 2 * Copyright (c) 2006-2013 ARM Limited
ebrus 0:6bc4ac881c8e 3 *
ebrus 0:6bc4ac881c8e 4 * Licensed under the Apache License, Version 2.0 (the "License");
ebrus 0:6bc4ac881c8e 5 * you may not use this file except in compliance with the License.
ebrus 0:6bc4ac881c8e 6 * You may obtain a copy of the License at
ebrus 0:6bc4ac881c8e 7 *
ebrus 0:6bc4ac881c8e 8 * http://www.apache.org/licenses/LICENSE-2.0
ebrus 0:6bc4ac881c8e 9 *
ebrus 0:6bc4ac881c8e 10 * Unless required by applicable law or agreed to in writing, software
ebrus 0:6bc4ac881c8e 11 * distributed under the License is distributed on an "AS IS" BASIS,
ebrus 0:6bc4ac881c8e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ebrus 0:6bc4ac881c8e 13 * See the License for the specific language governing permissions and
ebrus 0:6bc4ac881c8e 14 * limitations under the License.
ebrus 0:6bc4ac881c8e 15 */
ebrus 0:6bc4ac881c8e 16 #include "BusOut.h"
ebrus 0:6bc4ac881c8e 17
ebrus 0:6bc4ac881c8e 18 namespace mbed {
ebrus 0:6bc4ac881c8e 19
ebrus 0:6bc4ac881c8e 20 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) {
ebrus 0:6bc4ac881c8e 21 PinName pins[16] = {p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15};
ebrus 0:6bc4ac881c8e 22
ebrus 0:6bc4ac881c8e 23 for (int i=0; i<16; i++) {
ebrus 0:6bc4ac881c8e 24 _pin[i] = (pins[i] != NC) ? new DigitalOut(pins[i]) : 0;
ebrus 0:6bc4ac881c8e 25 }
ebrus 0:6bc4ac881c8e 26 }
ebrus 0:6bc4ac881c8e 27
ebrus 0:6bc4ac881c8e 28 BusOut::BusOut(PinName pins[16]) {
ebrus 0:6bc4ac881c8e 29 for (int i=0; i<16; i++) {
ebrus 0:6bc4ac881c8e 30 _pin[i] = (pins[i] != NC) ? new DigitalOut(pins[i]) : 0;
ebrus 0:6bc4ac881c8e 31 }
ebrus 0:6bc4ac881c8e 32 }
ebrus 0:6bc4ac881c8e 33
ebrus 0:6bc4ac881c8e 34 BusOut::~BusOut() {
ebrus 0:6bc4ac881c8e 35 for (int i=0; i<16; i++) {
ebrus 0:6bc4ac881c8e 36 if (_pin[i] != 0) {
ebrus 0:6bc4ac881c8e 37 delete _pin[i];
ebrus 0:6bc4ac881c8e 38 }
ebrus 0:6bc4ac881c8e 39 }
ebrus 0:6bc4ac881c8e 40 }
ebrus 0:6bc4ac881c8e 41
ebrus 0:6bc4ac881c8e 42 void BusOut::write(int value) {
ebrus 0:6bc4ac881c8e 43 for (int i=0; i<16; i++) {
ebrus 0:6bc4ac881c8e 44 if (_pin[i] != 0) {
ebrus 0:6bc4ac881c8e 45 _pin[i]->write((value >> i) & 1);
ebrus 0:6bc4ac881c8e 46 }
ebrus 0:6bc4ac881c8e 47 }
ebrus 0:6bc4ac881c8e 48 }
ebrus 0:6bc4ac881c8e 49
ebrus 0:6bc4ac881c8e 50 int BusOut::read() {
ebrus 0:6bc4ac881c8e 51 int v = 0;
ebrus 0:6bc4ac881c8e 52 for (int i=0; i<16; i++) {
ebrus 0:6bc4ac881c8e 53 if (_pin[i] != 0) {
ebrus 0:6bc4ac881c8e 54 v |= _pin[i]->read() << i;
ebrus 0:6bc4ac881c8e 55 }
ebrus 0:6bc4ac881c8e 56 }
ebrus 0:6bc4ac881c8e 57 return v;
ebrus 0:6bc4ac881c8e 58 }
ebrus 0:6bc4ac881c8e 59
ebrus 0:6bc4ac881c8e 60 #ifdef MBED_OPERATORS
ebrus 0:6bc4ac881c8e 61 BusOut& BusOut::operator= (int v) {
ebrus 0:6bc4ac881c8e 62 write(v);
ebrus 0:6bc4ac881c8e 63 return *this;
ebrus 0:6bc4ac881c8e 64 }
ebrus 0:6bc4ac881c8e 65
ebrus 0:6bc4ac881c8e 66 BusOut& BusOut::operator= (BusOut& rhs) {
ebrus 0:6bc4ac881c8e 67 write(rhs.read());
ebrus 0:6bc4ac881c8e 68 return *this;
ebrus 0:6bc4ac881c8e 69 }
ebrus 0:6bc4ac881c8e 70
ebrus 0:6bc4ac881c8e 71 BusOut::operator int() {
ebrus 0:6bc4ac881c8e 72 return read();
ebrus 0:6bc4ac881c8e 73 }
ebrus 0:6bc4ac881c8e 74 #endif
ebrus 0:6bc4ac881c8e 75
ebrus 0:6bc4ac881c8e 76 } // namespace mbed