mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
cpp/Timer.cpp
- Committer:
- mbed_official
- Date:
- 2012-11-20
- Revision:
- 0:fd0d7bdfcdc2
- Child:
- 2:143cac498751
File content as of revision 0:fd0d7bdfcdc2:
/* mbed Microcontroller Library * Copyright (c) 2006-2012 ARM Limited * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "Timer.h" #include "us_ticker_api.h" namespace mbed { Timer::Timer() { 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() / 1000000.0; } 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