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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

common/Timer.cpp

Committer:
mbed_official
Date:
2014-09-03
Revision:
306:d33324c3b5a2
Parent:
212:34d62c0b2af6
Child:
358:9d7ef901f004

File content as of revision 306:d33324c3b5a2:

/* mbed Microcontroller Library
 * Copyright (c) 2006-2013 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "Timer.h"
#include "us_ticker_api.h"

namespace mbed {

Timer::Timer() : _running(), _start(), _time() {
    reset();
}

void Timer::start() {
    _start = us_ticker_read();
    _running = 1;
}

void Timer::stop() {
    _time += slicetime();
    _running = 0;
}

int Timer::read_us() {
    return _time + slicetime();
}

float Timer::read() {
    return (float)read_us() / 1000000.0f;
}

int Timer::read_ms() {
    return read_us() / 1000;
}

int Timer::slicetime() {
    if (_running) {
        return us_ticker_read() - _start;
    } else {
        return 0;
    }
}

void Timer::reset() {
    _start = us_ticker_read();
    _time = 0;
}

#ifdef MBED_OPERATORS
Timer::operator float() {
    return read();
}
#endif

} // namespace mbed