Junichi Katsu / Milkcocoa-os

【mbed OS5対応バージョン】データの保存、更新、取得ができるWebサービス「milkcocoa」に接続し、データのプッシュ、送信、取得ができるライブラリです。 https://mlkcca.com/

Dependents:   mbed-os-example-wifi-milkcocoa MilkcocoaOsSample_Eth MilkcocoaOsSample_ESP8266 MilkcocoaOsSample_Eth_DigitalIn

OldTimer.cpp@13:61e0cc093180, 2018-03-26 (annotated)

Committer:
jksoft
Date:
Mon Mar 26 04:49:20 2018 +0000
Revision:
13:61e0cc093180
Parent:
9:5c195c1036da 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
jksoft 9:5c195c1036da 1 /* mbed Microcontroller Library
jksoft 9:5c195c1036da 2 * Copyright (c) 2006-2013 ARM Limited
jksoft 9:5c195c1036da 3 *
jksoft 9:5c195c1036da 4 * Licensed under the Apache License, Version 2.0 (the "License");
jksoft 9:5c195c1036da 5 * you may not use this file except in compliance with the License.
jksoft 9:5c195c1036da 6 * You may obtain a copy of the License at
jksoft 9:5c195c1036da 7 *
jksoft 9:5c195c1036da 8 * http://www.apache.org/licenses/LICENSE-2.0
jksoft 9:5c195c1036da 9 *
jksoft 9:5c195c1036da 10 * Unless required by applicable law or agreed to in writing, software
jksoft 9:5c195c1036da 11 * distributed under the License is distributed on an "AS IS" BASIS,
jksoft 9:5c195c1036da 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jksoft 9:5c195c1036da 13 * See the License for the specific language governing permissions and
jksoft 9:5c195c1036da 14 * limitations under the License.
jksoft 9:5c195c1036da 15 */
jksoft 9:5c195c1036da 16 #include "OldTimer.h"
jksoft 9:5c195c1036da 17 #include "hal/ticker_api.h"
jksoft 9:5c195c1036da 18 #include "hal/us_ticker_api.h"
jksoft 9:5c195c1036da 19 #include "platform/mbed_critical.h"
jksoft 9:5c195c1036da 20
jksoft 9:5c195c1036da 21
jksoft 9:5c195c1036da 22 OldTimer::OldTimer() : _running(), _start(), _time(), _ticker_data(get_us_ticker_data()) {
jksoft 9:5c195c1036da 23 reset();
jksoft 9:5c195c1036da 24 }
jksoft 9:5c195c1036da 25
jksoft 9:5c195c1036da 26 OldTimer::OldTimer(const ticker_data_t *data) : _running(), _start(), _time(), _ticker_data(data) {
jksoft 9:5c195c1036da 27 reset();
jksoft 9:5c195c1036da 28 }
jksoft 9:5c195c1036da 29
jksoft 9:5c195c1036da 30 void OldTimer::start() {
jksoft 9:5c195c1036da 31 core_util_critical_section_enter();
jksoft 9:5c195c1036da 32 if (!_running) {
jksoft 9:5c195c1036da 33 _start = ticker_read_us(_ticker_data);
jksoft 9:5c195c1036da 34 _running = 1;
jksoft 9:5c195c1036da 35 }
jksoft 9:5c195c1036da 36 core_util_critical_section_exit();
jksoft 9:5c195c1036da 37 }
jksoft 9:5c195c1036da 38
jksoft 9:5c195c1036da 39 void OldTimer::stop() {
jksoft 9:5c195c1036da 40 core_util_critical_section_enter();
jksoft 9:5c195c1036da 41 _time += slicetime();
jksoft 9:5c195c1036da 42 _running = 0;
jksoft 9:5c195c1036da 43 core_util_critical_section_exit();
jksoft 9:5c195c1036da 44 }
jksoft 9:5c195c1036da 45
jksoft 9:5c195c1036da 46 int OldTimer::read_us() {
jksoft 9:5c195c1036da 47 return read_high_resolution_us();
jksoft 9:5c195c1036da 48 }
jksoft 9:5c195c1036da 49
jksoft 9:5c195c1036da 50 float OldTimer::read() {
jksoft 9:5c195c1036da 51 return (float)read_us() / 1000000.0f;
jksoft 9:5c195c1036da 52 }
jksoft 9:5c195c1036da 53
jksoft 9:5c195c1036da 54 int OldTimer::read_ms() {
jksoft 9:5c195c1036da 55 return read_high_resolution_us() / 1000;
jksoft 9:5c195c1036da 56 }
jksoft 9:5c195c1036da 57
jksoft 9:5c195c1036da 58 us_timestamp_t OldTimer::read_high_resolution_us() {
jksoft 9:5c195c1036da 59 core_util_critical_section_enter();
jksoft 9:5c195c1036da 60 us_timestamp_t time = _time + slicetime();
jksoft 9:5c195c1036da 61 core_util_critical_section_exit();
jksoft 9:5c195c1036da 62 return time;
jksoft 9:5c195c1036da 63 }
jksoft 9:5c195c1036da 64
jksoft 9:5c195c1036da 65 us_timestamp_t OldTimer::slicetime() {
jksoft 9:5c195c1036da 66 us_timestamp_t ret = 0;
jksoft 9:5c195c1036da 67 core_util_critical_section_enter();
jksoft 9:5c195c1036da 68 if (_running) {
jksoft 9:5c195c1036da 69 ret = ticker_read_us(_ticker_data) - _start;
jksoft 9:5c195c1036da 70 }
jksoft 9:5c195c1036da 71 core_util_critical_section_exit();
jksoft 9:5c195c1036da 72 return ret;
jksoft 9:5c195c1036da 73 }
jksoft 9:5c195c1036da 74
jksoft 9:5c195c1036da 75 void OldTimer::reset() {
jksoft 9:5c195c1036da 76 core_util_critical_section_enter();
jksoft 9:5c195c1036da 77 _start = ticker_read_us(_ticker_data);
jksoft 9:5c195c1036da 78 _time = 0;
jksoft 9:5c195c1036da 79 core_util_critical_section_exit();
jksoft 9:5c195c1036da 80 }
jksoft 9:5c195c1036da 81
jksoft 9:5c195c1036da 82 OldTimer::operator float() {
jksoft 9:5c195c1036da 83 return read();
jksoft 9:5c195c1036da 84 }
jksoft 9:5c195c1036da 85