不韋 呂 / F746_MySoundMachine

Integrated program of 4 different kinds of application programs for processing sound signal. 4種類のサウンド信号処理を統合したプログラム．

Dependencies:   F746_GUI F746_SAI_IO FrequencyResponseDrawer SD_PlayerSkeleton UIT_FFT_Real

mbed_src_STM/common/Timer.cpp@0:224dccbc4edd, 2016-08-15 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Aug 15 07:18:07 2016 +0000
Revision:
0:224dccbc4edd
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:224dccbc4edd 1 /* mbed Microcontroller Library
MikamiUitOpen 0:224dccbc4edd 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 0:224dccbc4edd 3 *
MikamiUitOpen 0:224dccbc4edd 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:224dccbc4edd 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:224dccbc4edd 6 * You may obtain a copy of the License at
MikamiUitOpen 0:224dccbc4edd 7 *
MikamiUitOpen 0:224dccbc4edd 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:224dccbc4edd 9 *
MikamiUitOpen 0:224dccbc4edd 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:224dccbc4edd 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:224dccbc4edd 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:224dccbc4edd 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:224dccbc4edd 14 * limitations under the License.
MikamiUitOpen 0:224dccbc4edd 15 */
MikamiUitOpen 0:224dccbc4edd 16 #include "Timer.h"
MikamiUitOpen 0:224dccbc4edd 17 #include "ticker_api.h"
MikamiUitOpen 0:224dccbc4edd 18 #include "us_ticker_api.h"
MikamiUitOpen 0:224dccbc4edd 19
MikamiUitOpen 0:224dccbc4edd 20 namespace mbed {
MikamiUitOpen 0:224dccbc4edd 21
MikamiUitOpen 0:224dccbc4edd 22 Timer::Timer() : _running(), _start(), _time(), _ticker_data(get_us_ticker_data()) {
MikamiUitOpen 0:224dccbc4edd 23 reset();
MikamiUitOpen 0:224dccbc4edd 24 }
MikamiUitOpen 0:224dccbc4edd 25
MikamiUitOpen 0:224dccbc4edd 26 Timer::Timer(const ticker_data_t *data) : _running(), _start(), _time(), _ticker_data(data) {
MikamiUitOpen 0:224dccbc4edd 27 reset();
MikamiUitOpen 0:224dccbc4edd 28 }
MikamiUitOpen 0:224dccbc4edd 29
MikamiUitOpen 0:224dccbc4edd 30 void Timer::start() {
MikamiUitOpen 0:224dccbc4edd 31 if (!_running) {
MikamiUitOpen 0:224dccbc4edd 32 _start = ticker_read(_ticker_data);
MikamiUitOpen 0:224dccbc4edd 33 _running = 1;
MikamiUitOpen 0:224dccbc4edd 34 }
MikamiUitOpen 0:224dccbc4edd 35 }
MikamiUitOpen 0:224dccbc4edd 36
MikamiUitOpen 0:224dccbc4edd 37 void Timer::stop() {
MikamiUitOpen 0:224dccbc4edd 38 _time += slicetime();
MikamiUitOpen 0:224dccbc4edd 39 _running = 0;
MikamiUitOpen 0:224dccbc4edd 40 }
MikamiUitOpen 0:224dccbc4edd 41
MikamiUitOpen 0:224dccbc4edd 42 int Timer::read_us() {
MikamiUitOpen 0:224dccbc4edd 43 return _time + slicetime();
MikamiUitOpen 0:224dccbc4edd 44 }
MikamiUitOpen 0:224dccbc4edd 45
MikamiUitOpen 0:224dccbc4edd 46 float Timer::read() {
MikamiUitOpen 0:224dccbc4edd 47 return (float)read_us() / 1000000.0f;
MikamiUitOpen 0:224dccbc4edd 48 }
MikamiUitOpen 0:224dccbc4edd 49
MikamiUitOpen 0:224dccbc4edd 50 int Timer::read_ms() {
MikamiUitOpen 0:224dccbc4edd 51 return read_us() / 1000;
MikamiUitOpen 0:224dccbc4edd 52 }
MikamiUitOpen 0:224dccbc4edd 53
MikamiUitOpen 0:224dccbc4edd 54 int Timer::slicetime() {
MikamiUitOpen 0:224dccbc4edd 55 if (_running) {
MikamiUitOpen 0:224dccbc4edd 56 return ticker_read(_ticker_data) - _start;
MikamiUitOpen 0:224dccbc4edd 57 } else {
MikamiUitOpen 0:224dccbc4edd 58 return 0;
MikamiUitOpen 0:224dccbc4edd 59 }
MikamiUitOpen 0:224dccbc4edd 60 }
MikamiUitOpen 0:224dccbc4edd 61
MikamiUitOpen 0:224dccbc4edd 62 void Timer::reset() {
MikamiUitOpen 0:224dccbc4edd 63 _start = ticker_read(_ticker_data);
MikamiUitOpen 0:224dccbc4edd 64 _time = 0;
MikamiUitOpen 0:224dccbc4edd 65 }
MikamiUitOpen 0:224dccbc4edd 66
MikamiUitOpen 0:224dccbc4edd 67 #ifdef MBED_OPERATORS
MikamiUitOpen 0:224dccbc4edd 68 Timer::operator float() {
MikamiUitOpen 0:224dccbc4edd 69 return read();
MikamiUitOpen 0:224dccbc4edd 70 }
MikamiUitOpen 0:224dccbc4edd 71 #endif
MikamiUitOpen 0:224dccbc4edd 72
MikamiUitOpen 0:224dccbc4edd 73 } // namespace mbed