mbed library sources change for ST sensors and ST BLE
Fork of mbed-src by
api/Timer.h
- Committer:
- emilmont
- Date:
- 2013-06-14
- Revision:
- 10:3bc89ef62ce7
- Parent:
- 9:0ce32e54c9a7
- Child:
- 13:0645d8841f51
File content as of revision 10:3bc89ef62ce7:
/* 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. */ #ifndef MBED_TIMER_H #define MBED_TIMER_H #include "platform.h" namespace mbed { /** A general purpose timer * * Example: * @code * // Count the time to toggle a LED * * #include "mbed.h" * * Timer timer; * DigitalOut led(LED1); * int begin, end; * * int main() { * timer.start(); * begin = timer.read_us(); * led = !led; * end = timer.read_us(); * printf("Toggle the led takes %d us", end - begin); * } * @endcode */ class Timer { public: Timer(); /** Start the timer */ void start(); /** Stop the timer */ void stop(); /** Reset the timer to 0. * * If it was already counting, it will continue */ void reset(); /** Get the time passed in seconds */ float read(); /** Get the time passed in mili-seconds */ int read_ms(); /** Get the time passed in micro-seconds */ int read_us(); #ifdef MBED_OPERATORS operator float(); #endif protected: int slicetime(); int _running; // whether the timer is running unsigned int _start; // the start time of the latest slice int _time; // any accumulated time from previous slices }; } // namespace mbed #endif