Kenji Arai / mbed-os_TYBLE16

mbed-os5 only for TYBLE16

Dependents:   TYBLE16_simple_data_logger TYBLE16_MP3_Air

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

Committer:
kenjiArai
Date:
Tue Dec 31 06:02:27 2019 +0000
Revision:
1:9db0e321a9f4
updated based on mbed-os5.15.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 1:9db0e321a9f4 1 /* mbed Microcontroller Library
kenjiArai 1:9db0e321a9f4 2 * Copyright (c) 2006-2019 ARM Limited
kenjiArai 1:9db0e321a9f4 3 * SPDX-License-Identifier: Apache-2.0
kenjiArai 1:9db0e321a9f4 4 *
kenjiArai 1:9db0e321a9f4 5 * Licensed under the Apache License, Version 2.0 (the "License");
kenjiArai 1:9db0e321a9f4 6 * you may not use this file except in compliance with the License.
kenjiArai 1:9db0e321a9f4 7 * You may obtain a copy of the License at
kenjiArai 1:9db0e321a9f4 8 *
kenjiArai 1:9db0e321a9f4 9 * http://www.apache.org/licenses/LICENSE-2.0
kenjiArai 1:9db0e321a9f4 10 *
kenjiArai 1:9db0e321a9f4 11 * Unless required by applicable law or agreed to in writing, software
kenjiArai 1:9db0e321a9f4 12 * distributed under the License is distributed on an "AS IS" BASIS,
kenjiArai 1:9db0e321a9f4 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kenjiArai 1:9db0e321a9f4 14 * See the License for the specific language governing permissions and
kenjiArai 1:9db0e321a9f4 15 * limitations under the License.
kenjiArai 1:9db0e321a9f4 16 */
kenjiArai 1:9db0e321a9f4 17 #include "drivers/Timer.h"
kenjiArai 1:9db0e321a9f4 18 #include "hal/ticker_api.h"
kenjiArai 1:9db0e321a9f4 19 #include "hal/us_ticker_api.h"
kenjiArai 1:9db0e321a9f4 20 #include "platform/mbed_critical.h"
kenjiArai 1:9db0e321a9f4 21 #include "platform/mbed_power_mgmt.h"
kenjiArai 1:9db0e321a9f4 22
kenjiArai 1:9db0e321a9f4 23 namespace mbed {
kenjiArai 1:9db0e321a9f4 24
kenjiArai 1:9db0e321a9f4 25 Timer::Timer() : _running(), _start(), _time(), _ticker_data(get_us_ticker_data()), _lock_deepsleep(true)
kenjiArai 1:9db0e321a9f4 26 {
kenjiArai 1:9db0e321a9f4 27 reset();
kenjiArai 1:9db0e321a9f4 28 }
kenjiArai 1:9db0e321a9f4 29
kenjiArai 1:9db0e321a9f4 30 Timer::Timer(const ticker_data_t *data) : _running(), _start(), _time(), _ticker_data(data),
kenjiArai 1:9db0e321a9f4 31 _lock_deepsleep(!data->interface->runs_in_deep_sleep)
kenjiArai 1:9db0e321a9f4 32 {
kenjiArai 1:9db0e321a9f4 33 reset();
kenjiArai 1:9db0e321a9f4 34 }
kenjiArai 1:9db0e321a9f4 35
kenjiArai 1:9db0e321a9f4 36 Timer::~Timer()
kenjiArai 1:9db0e321a9f4 37 {
kenjiArai 1:9db0e321a9f4 38 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 39 if (_running) {
kenjiArai 1:9db0e321a9f4 40 if (_lock_deepsleep) {
kenjiArai 1:9db0e321a9f4 41 sleep_manager_unlock_deep_sleep();
kenjiArai 1:9db0e321a9f4 42 }
kenjiArai 1:9db0e321a9f4 43 }
kenjiArai 1:9db0e321a9f4 44 _running = 0;
kenjiArai 1:9db0e321a9f4 45 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 46 }
kenjiArai 1:9db0e321a9f4 47
kenjiArai 1:9db0e321a9f4 48 void Timer::start()
kenjiArai 1:9db0e321a9f4 49 {
kenjiArai 1:9db0e321a9f4 50 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 51 if (!_running) {
kenjiArai 1:9db0e321a9f4 52 if (_lock_deepsleep) {
kenjiArai 1:9db0e321a9f4 53 sleep_manager_lock_deep_sleep();
kenjiArai 1:9db0e321a9f4 54 }
kenjiArai 1:9db0e321a9f4 55 _start = ticker_read_us(_ticker_data);
kenjiArai 1:9db0e321a9f4 56 _running = 1;
kenjiArai 1:9db0e321a9f4 57 }
kenjiArai 1:9db0e321a9f4 58 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 59 }
kenjiArai 1:9db0e321a9f4 60
kenjiArai 1:9db0e321a9f4 61 void Timer::stop()
kenjiArai 1:9db0e321a9f4 62 {
kenjiArai 1:9db0e321a9f4 63 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 64 _time += slicetime();
kenjiArai 1:9db0e321a9f4 65 if (_running) {
kenjiArai 1:9db0e321a9f4 66 if (_lock_deepsleep) {
kenjiArai 1:9db0e321a9f4 67 sleep_manager_unlock_deep_sleep();
kenjiArai 1:9db0e321a9f4 68 }
kenjiArai 1:9db0e321a9f4 69 }
kenjiArai 1:9db0e321a9f4 70 _running = 0;
kenjiArai 1:9db0e321a9f4 71 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 72 }
kenjiArai 1:9db0e321a9f4 73
kenjiArai 1:9db0e321a9f4 74 int Timer::read_us()
kenjiArai 1:9db0e321a9f4 75 {
kenjiArai 1:9db0e321a9f4 76 return read_high_resolution_us();
kenjiArai 1:9db0e321a9f4 77 }
kenjiArai 1:9db0e321a9f4 78
kenjiArai 1:9db0e321a9f4 79 float Timer::read()
kenjiArai 1:9db0e321a9f4 80 {
kenjiArai 1:9db0e321a9f4 81 return (float)read_high_resolution_us() / 1000000.0f;
kenjiArai 1:9db0e321a9f4 82 }
kenjiArai 1:9db0e321a9f4 83
kenjiArai 1:9db0e321a9f4 84 int Timer::read_ms()
kenjiArai 1:9db0e321a9f4 85 {
kenjiArai 1:9db0e321a9f4 86 return read_high_resolution_us() / 1000;
kenjiArai 1:9db0e321a9f4 87 }
kenjiArai 1:9db0e321a9f4 88
kenjiArai 1:9db0e321a9f4 89 us_timestamp_t Timer::read_high_resolution_us()
kenjiArai 1:9db0e321a9f4 90 {
kenjiArai 1:9db0e321a9f4 91 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 92 us_timestamp_t time = _time + slicetime();
kenjiArai 1:9db0e321a9f4 93 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 94 return time;
kenjiArai 1:9db0e321a9f4 95 }
kenjiArai 1:9db0e321a9f4 96
kenjiArai 1:9db0e321a9f4 97 us_timestamp_t Timer::slicetime()
kenjiArai 1:9db0e321a9f4 98 {
kenjiArai 1:9db0e321a9f4 99 us_timestamp_t ret = 0;
kenjiArai 1:9db0e321a9f4 100 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 101 if (_running) {
kenjiArai 1:9db0e321a9f4 102 ret = ticker_read_us(_ticker_data) - _start;
kenjiArai 1:9db0e321a9f4 103 }
kenjiArai 1:9db0e321a9f4 104 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 105 return ret;
kenjiArai 1:9db0e321a9f4 106 }
kenjiArai 1:9db0e321a9f4 107
kenjiArai 1:9db0e321a9f4 108 void Timer::reset()
kenjiArai 1:9db0e321a9f4 109 {
kenjiArai 1:9db0e321a9f4 110 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 111 _start = ticker_read_us(_ticker_data);
kenjiArai 1:9db0e321a9f4 112 _time = 0;
kenjiArai 1:9db0e321a9f4 113 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 114 }
kenjiArai 1:9db0e321a9f4 115
kenjiArai 1:9db0e321a9f4 116 Timer::operator float()
kenjiArai 1:9db0e321a9f4 117 {
kenjiArai 1:9db0e321a9f4 118 return read();
kenjiArai 1:9db0e321a9f4 119 }
kenjiArai 1:9db0e321a9f4 120
kenjiArai 1:9db0e321a9f4 121 } // namespace mbed