Kenji Arai / mbed-os_TYBLE16

mbed-os5 only for TYBLE16

Dependents:   TYBLE16_simple_data_logger TYBLE16_MP3_Air

drivers/source/BusIn.cpp@1:9db0e321a9f4, 2019-12-31 (annotated)

Committer:
kenjiArai
Date:
Tue Dec 31 06:02:27 2019 +0000
Revision:
1:9db0e321a9f4
Parent:
drivers/BusIn.cpp@0:5b88d5760320 
updated based on mbed-os5.15.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 0:5b88d5760320 1 /* mbed Microcontroller Library
kenjiArai 0:5b88d5760320 2 * Copyright (c) 2006-2013 ARM Limited
kenjiArai 0:5b88d5760320 3 * SPDX-License-Identifier: Apache-2.0
kenjiArai 0:5b88d5760320 4 *
kenjiArai 0:5b88d5760320 5 * Licensed under the Apache License, Version 2.0 (the "License");
kenjiArai 0:5b88d5760320 6 * you may not use this file except in compliance with the License.
kenjiArai 0:5b88d5760320 7 * You may obtain a copy of the License at
kenjiArai 0:5b88d5760320 8 *
kenjiArai 0:5b88d5760320 9 * http://www.apache.org/licenses/LICENSE-2.0
kenjiArai 0:5b88d5760320 10 *
kenjiArai 0:5b88d5760320 11 * Unless required by applicable law or agreed to in writing, software
kenjiArai 0:5b88d5760320 12 * distributed under the License is distributed on an "AS IS" BASIS,
kenjiArai 0:5b88d5760320 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kenjiArai 0:5b88d5760320 14 * See the License for the specific language governing permissions and
kenjiArai 0:5b88d5760320 15 * limitations under the License.
kenjiArai 0:5b88d5760320 16 */
kenjiArai 0:5b88d5760320 17 #include "drivers/BusIn.h"
kenjiArai 0:5b88d5760320 18 #include "platform/mbed_assert.h"
kenjiArai 0:5b88d5760320 19
kenjiArai 0:5b88d5760320 20 namespace mbed {
kenjiArai 0:5b88d5760320 21
kenjiArai 0:5b88d5760320 22 BusIn::BusIn(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)
kenjiArai 0:5b88d5760320 23 {
kenjiArai 0:5b88d5760320 24 PinName pins[16] = {p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15};
kenjiArai 0:5b88d5760320 25
kenjiArai 0:5b88d5760320 26 // No lock needed in the constructor
kenjiArai 0:5b88d5760320 27 _nc_mask = 0;
kenjiArai 0:5b88d5760320 28 for (int i = 0; i < 16; i++) {
kenjiArai 0:5b88d5760320 29 _pin[i] = (pins[i] != NC) ? new DigitalIn(pins[i]) : 0;
kenjiArai 0:5b88d5760320 30 if (pins[i] != NC) {
kenjiArai 0:5b88d5760320 31 _nc_mask |= (1 << i);
kenjiArai 0:5b88d5760320 32 }
kenjiArai 0:5b88d5760320 33 }
kenjiArai 0:5b88d5760320 34 }
kenjiArai 0:5b88d5760320 35
kenjiArai 0:5b88d5760320 36 BusIn::BusIn(PinName pins[16])
kenjiArai 0:5b88d5760320 37 {
kenjiArai 0:5b88d5760320 38 // No lock needed in the constructor
kenjiArai 0:5b88d5760320 39 _nc_mask = 0;
kenjiArai 0:5b88d5760320 40 for (int i = 0; i < 16; i++) {
kenjiArai 0:5b88d5760320 41 _pin[i] = (pins[i] != NC) ? new DigitalIn(pins[i]) : 0;
kenjiArai 0:5b88d5760320 42 if (pins[i] != NC) {
kenjiArai 0:5b88d5760320 43 _nc_mask |= (1 << i);
kenjiArai 0:5b88d5760320 44 }
kenjiArai 0:5b88d5760320 45 }
kenjiArai 0:5b88d5760320 46 }
kenjiArai 0:5b88d5760320 47
kenjiArai 0:5b88d5760320 48 BusIn::~BusIn()
kenjiArai 0:5b88d5760320 49 {
kenjiArai 0:5b88d5760320 50 // No lock needed in the destructor
kenjiArai 0:5b88d5760320 51 for (int i = 0; i < 16; i++) {
kenjiArai 0:5b88d5760320 52 if (_pin[i] != 0) {
kenjiArai 0:5b88d5760320 53 delete _pin[i];
kenjiArai 0:5b88d5760320 54 }
kenjiArai 0:5b88d5760320 55 }
kenjiArai 0:5b88d5760320 56 }
kenjiArai 0:5b88d5760320 57
kenjiArai 0:5b88d5760320 58 int BusIn::read()
kenjiArai 0:5b88d5760320 59 {
kenjiArai 0:5b88d5760320 60 int v = 0;
kenjiArai 0:5b88d5760320 61 lock();
kenjiArai 0:5b88d5760320 62 for (int i = 0; i < 16; i++) {
kenjiArai 0:5b88d5760320 63 if (_pin[i] != 0) {
kenjiArai 0:5b88d5760320 64 v |= _pin[i]->read() << i;
kenjiArai 0:5b88d5760320 65 }
kenjiArai 0:5b88d5760320 66 }
kenjiArai 0:5b88d5760320 67 unlock();
kenjiArai 0:5b88d5760320 68 return v;
kenjiArai 0:5b88d5760320 69 }
kenjiArai 0:5b88d5760320 70
kenjiArai 0:5b88d5760320 71 void BusIn::mode(PinMode pull)
kenjiArai 0:5b88d5760320 72 {
kenjiArai 0:5b88d5760320 73 lock();
kenjiArai 0:5b88d5760320 74 for (int i = 0; i < 16; i++) {
kenjiArai 0:5b88d5760320 75 if (_pin[i] != 0) {
kenjiArai 0:5b88d5760320 76 _pin[i]->mode(pull);
kenjiArai 0:5b88d5760320 77 }
kenjiArai 0:5b88d5760320 78 }
kenjiArai 0:5b88d5760320 79 unlock();
kenjiArai 0:5b88d5760320 80 }
kenjiArai 0:5b88d5760320 81
kenjiArai 0:5b88d5760320 82 void BusIn::lock()
kenjiArai 0:5b88d5760320 83 {
kenjiArai 0:5b88d5760320 84 _mutex.lock();
kenjiArai 0:5b88d5760320 85 }
kenjiArai 0:5b88d5760320 86
kenjiArai 0:5b88d5760320 87 void BusIn::unlock()
kenjiArai 0:5b88d5760320 88 {
kenjiArai 0:5b88d5760320 89 _mutex.unlock();
kenjiArai 0:5b88d5760320 90 }
kenjiArai 0:5b88d5760320 91
kenjiArai 0:5b88d5760320 92 BusIn::operator int()
kenjiArai 0:5b88d5760320 93 {
kenjiArai 0:5b88d5760320 94 // Underlying read is thread safe
kenjiArai 0:5b88d5760320 95 return read();
kenjiArai 0:5b88d5760320 96 }
kenjiArai 0:5b88d5760320 97
kenjiArai 0:5b88d5760320 98 DigitalIn &BusIn::operator[](int index)
kenjiArai 0:5b88d5760320 99 {
kenjiArai 0:5b88d5760320 100 // No lock needed since _pin is not modified outside the constructor
kenjiArai 0:5b88d5760320 101 MBED_ASSERT(index >= 0 && index < 16);
kenjiArai 0:5b88d5760320 102 MBED_ASSERT(_pin[index]);
kenjiArai 0:5b88d5760320 103 return *_pin[index];
kenjiArai 0:5b88d5760320 104 }
kenjiArai 0:5b88d5760320 105
kenjiArai 0:5b88d5760320 106 } // namespace mbed