Ermanno Brusadin / mbed

mbed library sources

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

common/BusInOut.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 "BusInOut.h"
ebrus 0:6bc4ac881c8e 17
ebrus 0:6bc4ac881c8e 18 namespace mbed {
ebrus 0:6bc4ac881c8e 19
ebrus 0:6bc4ac881c8e 20 BusInOut::BusInOut(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 DigitalInOut(pins[i]) : 0;
ebrus 0:6bc4ac881c8e 25 }
ebrus 0:6bc4ac881c8e 26 }
ebrus 0:6bc4ac881c8e 27
ebrus 0:6bc4ac881c8e 28 BusInOut::BusInOut(PinName pins[16]) {
ebrus 0:6bc4ac881c8e 29 for (int i=0; i<16; i++) {
ebrus 0:6bc4ac881c8e 30 _pin[i] = (pins[i] != NC) ? new DigitalInOut(pins[i]) : 0;
ebrus 0:6bc4ac881c8e 31 }
ebrus 0:6bc4ac881c8e 32 }
ebrus 0:6bc4ac881c8e 33
ebrus 0:6bc4ac881c8e 34 BusInOut::~BusInOut() {
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 BusInOut::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 BusInOut::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 void BusInOut::output() {
ebrus 0:6bc4ac881c8e 61 for (int i=0; i<16; i++) {
ebrus 0:6bc4ac881c8e 62 if (_pin[i] != 0) {
ebrus 0:6bc4ac881c8e 63 _pin[i]->output();
ebrus 0:6bc4ac881c8e 64 }
ebrus 0:6bc4ac881c8e 65 }
ebrus 0:6bc4ac881c8e 66 }
ebrus 0:6bc4ac881c8e 67
ebrus 0:6bc4ac881c8e 68 void BusInOut::input() {
ebrus 0:6bc4ac881c8e 69 for (int i=0; i<16; i++) {
ebrus 0:6bc4ac881c8e 70 if (_pin[i] != 0) {
ebrus 0:6bc4ac881c8e 71 _pin[i]->input();
ebrus 0:6bc4ac881c8e 72 }
ebrus 0:6bc4ac881c8e 73 }
ebrus 0:6bc4ac881c8e 74 }
ebrus 0:6bc4ac881c8e 75
ebrus 0:6bc4ac881c8e 76 void BusInOut::mode(PinMode pull) {
ebrus 0:6bc4ac881c8e 77 for (int i=0; i<16; i++) {
ebrus 0:6bc4ac881c8e 78 if (_pin[i] != 0) {
ebrus 0:6bc4ac881c8e 79 _pin[i]->mode(pull);
ebrus 0:6bc4ac881c8e 80 }
ebrus 0:6bc4ac881c8e 81 }
ebrus 0:6bc4ac881c8e 82 }
ebrus 0:6bc4ac881c8e 83
ebrus 0:6bc4ac881c8e 84 #ifdef MBED_OPERATORS
ebrus 0:6bc4ac881c8e 85 BusInOut& BusInOut::operator= (int v) {
ebrus 0:6bc4ac881c8e 86 write(v);
ebrus 0:6bc4ac881c8e 87 return *this;
ebrus 0:6bc4ac881c8e 88 }
ebrus 0:6bc4ac881c8e 89
ebrus 0:6bc4ac881c8e 90 BusInOut& BusInOut::operator= (BusInOut& rhs) {
ebrus 0:6bc4ac881c8e 91 write(rhs.read());
ebrus 0:6bc4ac881c8e 92 return *this;
ebrus 0:6bc4ac881c8e 93 }
ebrus 0:6bc4ac881c8e 94
ebrus 0:6bc4ac881c8e 95 BusInOut::operator int() {
ebrus 0:6bc4ac881c8e 96 return read();
ebrus 0:6bc4ac881c8e 97 }
ebrus 0:6bc4ac881c8e 98 #endif
ebrus 0:6bc4ac881c8e 99
ebrus 0:6bc4ac881c8e 100 } // namespace mbed