Martin Werluschnig / Mbed 2 deprecated Diplomarbeit_MW_CW

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Dependencies:   mbed

inc/Timer.h@0:afeca64a6543, 2018-10-17 (annotated)

Committer:
martwerl
Date:
Wed Oct 17 17:19:45 2018 +0000
Revision:
0:afeca64a6543
Diplomarbeit_MW_CW

Who changed what in which revision?

UserRevisionLine numberNew contents of line
martwerl 0:afeca64a6543 1 /* mbed Microcontroller Library
martwerl 0:afeca64a6543 2 * Copyright (c) 2006-2013 ARM Limited
martwerl 0:afeca64a6543 3 *
martwerl 0:afeca64a6543 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
martwerl 0:afeca64a6543 5 * of this software and associated documentation files (the "Software"), to deal
martwerl 0:afeca64a6543 6 * in the Software without restriction, including without limitation the rights
martwerl 0:afeca64a6543 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
martwerl 0:afeca64a6543 8 * copies of the Software, and to permit persons to whom the Software is
martwerl 0:afeca64a6543 9 * furnished to do so, subject to the following conditions:
martwerl 0:afeca64a6543 10 *
martwerl 0:afeca64a6543 11 * The above copyright notice and this permission notice shall be included in
martwerl 0:afeca64a6543 12 * all copies or substantial portions of the Software.
martwerl 0:afeca64a6543 13 *
martwerl 0:afeca64a6543 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
martwerl 0:afeca64a6543 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
martwerl 0:afeca64a6543 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
martwerl 0:afeca64a6543 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
martwerl 0:afeca64a6543 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
martwerl 0:afeca64a6543 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
martwerl 0:afeca64a6543 20 * SOFTWARE.
martwerl 0:afeca64a6543 21 */
martwerl 0:afeca64a6543 22 #ifndef MBED_TIMER_H
martwerl 0:afeca64a6543 23 #define MBED_TIMER_H
martwerl 0:afeca64a6543 24
martwerl 0:afeca64a6543 25 #include "platform.h"
martwerl 0:afeca64a6543 26
martwerl 0:afeca64a6543 27 namespace mbed {
martwerl 0:afeca64a6543 28
martwerl 0:afeca64a6543 29 /** A general purpose timer
martwerl 0:afeca64a6543 30 *
martwerl 0:afeca64a6543 31 * Example:
martwerl 0:afeca64a6543 32 * @code
martwerl 0:afeca64a6543 33 * // Count the time to toggle a LED
martwerl 0:afeca64a6543 34 *
martwerl 0:afeca64a6543 35 * #include "mbed.h"
martwerl 0:afeca64a6543 36 *
martwerl 0:afeca64a6543 37 * Timer timer;
martwerl 0:afeca64a6543 38 * DigitalOut led(LED1);
martwerl 0:afeca64a6543 39 * int begin, end;
martwerl 0:afeca64a6543 40 *
martwerl 0:afeca64a6543 41 * int main() {
martwerl 0:afeca64a6543 42 * timer.start();
martwerl 0:afeca64a6543 43 * begin = timer.read_us();
martwerl 0:afeca64a6543 44 * led = !led;
martwerl 0:afeca64a6543 45 * end = timer.read_us();
martwerl 0:afeca64a6543 46 * printf("Toggle the led takes %d us", end - begin);
martwerl 0:afeca64a6543 47 * }
martwerl 0:afeca64a6543 48 * @endcode
martwerl 0:afeca64a6543 49 */
martwerl 0:afeca64a6543 50 class Timer {
martwerl 0:afeca64a6543 51
martwerl 0:afeca64a6543 52 public:
martwerl 0:afeca64a6543 53 Timer();
martwerl 0:afeca64a6543 54
martwerl 0:afeca64a6543 55 /** Start the timer
martwerl 0:afeca64a6543 56 */
martwerl 0:afeca64a6543 57 void start();
martwerl 0:afeca64a6543 58
martwerl 0:afeca64a6543 59 /** Stop the timer
martwerl 0:afeca64a6543 60 */
martwerl 0:afeca64a6543 61 void stop();
martwerl 0:afeca64a6543 62
martwerl 0:afeca64a6543 63 /** Reset the timer to 0.
martwerl 0:afeca64a6543 64 *
martwerl 0:afeca64a6543 65 * If it was already counting, it will continue
martwerl 0:afeca64a6543 66 */
martwerl 0:afeca64a6543 67 void reset();
martwerl 0:afeca64a6543 68
martwerl 0:afeca64a6543 69 /** Get the time passed in seconds
martwerl 0:afeca64a6543 70 */
martwerl 0:afeca64a6543 71 float read();
martwerl 0:afeca64a6543 72
martwerl 0:afeca64a6543 73 /** Get the time passed in mili-seconds
martwerl 0:afeca64a6543 74 */
martwerl 0:afeca64a6543 75 int read_ms();
martwerl 0:afeca64a6543 76
martwerl 0:afeca64a6543 77 /** Get the time passed in micro-seconds
martwerl 0:afeca64a6543 78 */
martwerl 0:afeca64a6543 79 int read_us();
martwerl 0:afeca64a6543 80
martwerl 0:afeca64a6543 81 #ifdef MBED_OPERATORS
martwerl 0:afeca64a6543 82 operator float();
martwerl 0:afeca64a6543 83 #endif
martwerl 0:afeca64a6543 84
martwerl 0:afeca64a6543 85 protected:
martwerl 0:afeca64a6543 86 int slicetime();
martwerl 0:afeca64a6543 87 int _running; // whether the timer is running
martwerl 0:afeca64a6543 88 unsigned int _start; // the start time of the latest slice
martwerl 0:afeca64a6543 89 int _time; // any accumulated time from previous slices
martwerl 0:afeca64a6543 90 };
martwerl 0:afeca64a6543 91
martwerl 0:afeca64a6543 92 } // namespace mbed
martwerl 0:afeca64a6543 93
martwerl 0:afeca64a6543 94 #endif
martwerl 0:afeca64a6543 95