PHung Tung / DISCO-F746_WAV_PLAYER

SPKT

Dependencies:   F746_GUI SD_PlayerSkeleton F746_SAI_IO

SRC_STM32F7/common/BusOut.cpp@0:8ede47d38d10, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 21:37:21 2019 +0000
Revision:
0:8ede47d38d10
SPKT

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phungductung 0:8ede47d38d10 1 /* mbed Microcontroller Library
phungductung 0:8ede47d38d10 2 * Copyright (c) 2006-2013 ARM Limited
phungductung 0:8ede47d38d10 3 *
phungductung 0:8ede47d38d10 4 * Licensed under the Apache License, Version 2.0 (the "License");
phungductung 0:8ede47d38d10 5 * you may not use this file except in compliance with the License.
phungductung 0:8ede47d38d10 6 * You may obtain a copy of the License at
phungductung 0:8ede47d38d10 7 *
phungductung 0:8ede47d38d10 8 * http://www.apache.org/licenses/LICENSE-2.0
phungductung 0:8ede47d38d10 9 *
phungductung 0:8ede47d38d10 10 * Unless required by applicable law or agreed to in writing, software
phungductung 0:8ede47d38d10 11 * distributed under the License is distributed on an "AS IS" BASIS,
phungductung 0:8ede47d38d10 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
phungductung 0:8ede47d38d10 13 * See the License for the specific language governing permissions and
phungductung 0:8ede47d38d10 14 * limitations under the License.
phungductung 0:8ede47d38d10 15 */
phungductung 0:8ede47d38d10 16 #include "BusOut.h"
phungductung 0:8ede47d38d10 17 #include "mbed_assert.h"
phungductung 0:8ede47d38d10 18
phungductung 0:8ede47d38d10 19 namespace mbed {
phungductung 0:8ede47d38d10 20
phungductung 0:8ede47d38d10 21 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) {
phungductung 0:8ede47d38d10 22 PinName pins[16] = {p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15};
phungductung 0:8ede47d38d10 23
phungductung 0:8ede47d38d10 24 _nc_mask = 0;
phungductung 0:8ede47d38d10 25 for (int i=0; i<16; i++) {
phungductung 0:8ede47d38d10 26 _pin[i] = (pins[i] != NC) ? new DigitalOut(pins[i]) : 0;
phungductung 0:8ede47d38d10 27 if (pins[i] != NC) {
phungductung 0:8ede47d38d10 28 _nc_mask |= (1 << i);
phungductung 0:8ede47d38d10 29 }
phungductung 0:8ede47d38d10 30 }
phungductung 0:8ede47d38d10 31 }
phungductung 0:8ede47d38d10 32
phungductung 0:8ede47d38d10 33 BusOut::BusOut(PinName pins[16]) {
phungductung 0:8ede47d38d10 34 _nc_mask = 0;
phungductung 0:8ede47d38d10 35 for (int i=0; i<16; i++) {
phungductung 0:8ede47d38d10 36 _pin[i] = (pins[i] != NC) ? new DigitalOut(pins[i]) : 0;
phungductung 0:8ede47d38d10 37 if (pins[i] != NC) {
phungductung 0:8ede47d38d10 38 _nc_mask |= (1 << i);
phungductung 0:8ede47d38d10 39 }
phungductung 0:8ede47d38d10 40 }
phungductung 0:8ede47d38d10 41 }
phungductung 0:8ede47d38d10 42
phungductung 0:8ede47d38d10 43 BusOut::~BusOut() {
phungductung 0:8ede47d38d10 44 for (int i=0; i<16; i++) {
phungductung 0:8ede47d38d10 45 if (_pin[i] != 0) {
phungductung 0:8ede47d38d10 46 delete _pin[i];
phungductung 0:8ede47d38d10 47 }
phungductung 0:8ede47d38d10 48 }
phungductung 0:8ede47d38d10 49 }
phungductung 0:8ede47d38d10 50
phungductung 0:8ede47d38d10 51 void BusOut::write(int value) {
phungductung 0:8ede47d38d10 52 for (int i=0; i<16; i++) {
phungductung 0:8ede47d38d10 53 if (_pin[i] != 0) {
phungductung 0:8ede47d38d10 54 _pin[i]->write((value >> i) & 1);
phungductung 0:8ede47d38d10 55 }
phungductung 0:8ede47d38d10 56 }
phungductung 0:8ede47d38d10 57 }
phungductung 0:8ede47d38d10 58
phungductung 0:8ede47d38d10 59 int BusOut::read() {
phungductung 0:8ede47d38d10 60 int v = 0;
phungductung 0:8ede47d38d10 61 for (int i=0; i<16; i++) {
phungductung 0:8ede47d38d10 62 if (_pin[i] != 0) {
phungductung 0:8ede47d38d10 63 v |= _pin[i]->read() << i;
phungductung 0:8ede47d38d10 64 }
phungductung 0:8ede47d38d10 65 }
phungductung 0:8ede47d38d10 66 return v;
phungductung 0:8ede47d38d10 67 }
phungductung 0:8ede47d38d10 68
phungductung 0:8ede47d38d10 69 #ifdef MBED_OPERATORS
phungductung 0:8ede47d38d10 70 BusOut& BusOut::operator= (int v) {
phungductung 0:8ede47d38d10 71 write(v);
phungductung 0:8ede47d38d10 72 return *this;
phungductung 0:8ede47d38d10 73 }
phungductung 0:8ede47d38d10 74
phungductung 0:8ede47d38d10 75 BusOut& BusOut::operator= (BusOut& rhs) {
phungductung 0:8ede47d38d10 76 write(rhs.read());
phungductung 0:8ede47d38d10 77 return *this;
phungductung 0:8ede47d38d10 78 }
phungductung 0:8ede47d38d10 79
phungductung 0:8ede47d38d10 80 DigitalOut& BusOut::operator[] (int index) {
phungductung 0:8ede47d38d10 81 MBED_ASSERT(index >= 0 && index <= 16);
phungductung 0:8ede47d38d10 82 MBED_ASSERT(_pin[index]);
phungductung 0:8ede47d38d10 83 return *_pin[index];
phungductung 0:8ede47d38d10 84 }
phungductung 0:8ede47d38d10 85
phungductung 0:8ede47d38d10 86 BusOut::operator int() {
phungductung 0:8ede47d38d10 87 return read();
phungductung 0:8ede47d38d10 88 }
phungductung 0:8ede47d38d10 89 #endif
phungductung 0:8ede47d38d10 90
phungductung 0:8ede47d38d10 91 } // namespace mbed