Emir Sokic / mbedPAI Featured

mbed.h verzija za koristenje na predmetu PAI

Timer.h@0:05aad811ea07, 2015-03-10 (annotated)

Committer:
esokic
Date:
Tue Mar 10 09:51:52 2015 +0000
Revision:
0:05aad811ea07
mbed.h verzija od marta 2014, za koristenje na predmetu PAI

Who changed what in which revision?

UserRevisionLine numberNew contents of line
esokic 0:05aad811ea07 1 /* mbed Microcontroller Library
esokic 0:05aad811ea07 2 * Copyright (c) 2006-2013 ARM Limited
esokic 0:05aad811ea07 3 *
esokic 0:05aad811ea07 4 * Licensed under the Apache License, Version 2.0 (the "License");
esokic 0:05aad811ea07 5 * you may not use this file except in compliance with the License.
esokic 0:05aad811ea07 6 * You may obtain a copy of the License at
esokic 0:05aad811ea07 7 *
esokic 0:05aad811ea07 8 * http://www.apache.org/licenses/LICENSE-2.0
esokic 0:05aad811ea07 9 *
esokic 0:05aad811ea07 10 * Unless required by applicable law or agreed to in writing, software
esokic 0:05aad811ea07 11 * distributed under the License is distributed on an "AS IS" BASIS,
esokic 0:05aad811ea07 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
esokic 0:05aad811ea07 13 * See the License for the specific language governing permissions and
esokic 0:05aad811ea07 14 * limitations under the License.
esokic 0:05aad811ea07 15 */
esokic 0:05aad811ea07 16 #ifndef MBED_TIMER_H
esokic 0:05aad811ea07 17 #define MBED_TIMER_H
esokic 0:05aad811ea07 18
esokic 0:05aad811ea07 19 #include "platform.h"
esokic 0:05aad811ea07 20
esokic 0:05aad811ea07 21 namespace mbed {
esokic 0:05aad811ea07 22
esokic 0:05aad811ea07 23 /** A general purpose timer
esokic 0:05aad811ea07 24 *
esokic 0:05aad811ea07 25 * Example:
esokic 0:05aad811ea07 26 * @code
esokic 0:05aad811ea07 27 * // Count the time to toggle a LED
esokic 0:05aad811ea07 28 *
esokic 0:05aad811ea07 29 * #include "mbed.h"
esokic 0:05aad811ea07 30 *
esokic 0:05aad811ea07 31 * Timer timer;
esokic 0:05aad811ea07 32 * DigitalOut led(LED1);
esokic 0:05aad811ea07 33 * int begin, end;
esokic 0:05aad811ea07 34 *
esokic 0:05aad811ea07 35 * int main() {
esokic 0:05aad811ea07 36 * timer.start();
esokic 0:05aad811ea07 37 * begin = timer.read_us();
esokic 0:05aad811ea07 38 * led = !led;
esokic 0:05aad811ea07 39 * end = timer.read_us();
esokic 0:05aad811ea07 40 * printf("Toggle the led takes %d us", end - begin);
esokic 0:05aad811ea07 41 * }
esokic 0:05aad811ea07 42 * @endcode
esokic 0:05aad811ea07 43 */
esokic 0:05aad811ea07 44 class Timer {
esokic 0:05aad811ea07 45
esokic 0:05aad811ea07 46 public:
esokic 0:05aad811ea07 47 Timer();
esokic 0:05aad811ea07 48
esokic 0:05aad811ea07 49 /** Start the timer
esokic 0:05aad811ea07 50 */
esokic 0:05aad811ea07 51 void start();
esokic 0:05aad811ea07 52
esokic 0:05aad811ea07 53 /** Stop the timer
esokic 0:05aad811ea07 54 */
esokic 0:05aad811ea07 55 void stop();
esokic 0:05aad811ea07 56
esokic 0:05aad811ea07 57 /** Reset the timer to 0.
esokic 0:05aad811ea07 58 *
esokic 0:05aad811ea07 59 * If it was already counting, it will continue
esokic 0:05aad811ea07 60 */
esokic 0:05aad811ea07 61 void reset();
esokic 0:05aad811ea07 62
esokic 0:05aad811ea07 63 /** Get the time passed in seconds
esokic 0:05aad811ea07 64 */
esokic 0:05aad811ea07 65 float read();
esokic 0:05aad811ea07 66
esokic 0:05aad811ea07 67 /** Get the time passed in mili-seconds
esokic 0:05aad811ea07 68 */
esokic 0:05aad811ea07 69 int read_ms();
esokic 0:05aad811ea07 70
esokic 0:05aad811ea07 71 /** Get the time passed in micro-seconds
esokic 0:05aad811ea07 72 */
esokic 0:05aad811ea07 73 int read_us();
esokic 0:05aad811ea07 74
esokic 0:05aad811ea07 75 #ifdef MBED_OPERATORS
esokic 0:05aad811ea07 76 operator float();
esokic 0:05aad811ea07 77 #endif
esokic 0:05aad811ea07 78
esokic 0:05aad811ea07 79 protected:
esokic 0:05aad811ea07 80 int slicetime();
esokic 0:05aad811ea07 81 int _running; // whether the timer is running
esokic 0:05aad811ea07 82 unsigned int _start; // the start time of the latest slice
esokic 0:05aad811ea07 83 int _time; // any accumulated time from previous slices
esokic 0:05aad811ea07 84 };
esokic 0:05aad811ea07 85
esokic 0:05aad811ea07 86 } // namespace mbed
esokic 0:05aad811ea07 87
esokic 0:05aad811ea07 88 #endif