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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

Import librarymbed

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

api/Ticker.h@635:a11c0372f0ba, 2015-09-30 (annotated)

Committer:
mbed_official
Date:
Wed Sep 30 17:00:09 2015 +0100
Revision:
635:a11c0372f0ba
Parent:
547:88c982c8f758 
Synchronized with git revision d29c98dae61be0946ddf3a3c641c7726056f9452



Full URL: https://github.com/mbedmicro/mbed/commit/d29c98dae61be0946ddf3a3c641c7726056f9452/



Added support for SAMW25

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 13:0645d8841f51 1 /* mbed Microcontroller Library
bogdanm 13:0645d8841f51 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 13:0645d8841f51 3 *
bogdanm 13:0645d8841f51 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 13:0645d8841f51 5 * you may not use this file except in compliance with the License.
bogdanm 13:0645d8841f51 6 * You may obtain a copy of the License at
bogdanm 13:0645d8841f51 7 *
bogdanm 13:0645d8841f51 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 13:0645d8841f51 9 *
bogdanm 13:0645d8841f51 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 13:0645d8841f51 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 13:0645d8841f51 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 13:0645d8841f51 13 * See the License for the specific language governing permissions and
bogdanm 13:0645d8841f51 14 * limitations under the License.
bogdanm 13:0645d8841f51 15 */
bogdanm 13:0645d8841f51 16 #ifndef MBED_TICKER_H
bogdanm 13:0645d8841f51 17 #define MBED_TICKER_H
bogdanm 13:0645d8841f51 18
bogdanm 13:0645d8841f51 19 #include "TimerEvent.h"
bogdanm 13:0645d8841f51 20 #include "FunctionPointer.h"
bogdanm 13:0645d8841f51 21
bogdanm 13:0645d8841f51 22 namespace mbed {
bogdanm 13:0645d8841f51 23
bogdanm 13:0645d8841f51 24 /** A Ticker is used to call a function at a recurring interval
bogdanm 13:0645d8841f51 25 *
bogdanm 13:0645d8841f51 26 * You can use as many seperate Ticker objects as you require.
bogdanm 13:0645d8841f51 27 *
bogdanm 13:0645d8841f51 28 * Example:
bogdanm 13:0645d8841f51 29 * @code
bogdanm 13:0645d8841f51 30 * // Toggle the blinking led after 5 seconds
bogdanm 13:0645d8841f51 31 *
bogdanm 13:0645d8841f51 32 * #include "mbed.h"
bogdanm 13:0645d8841f51 33 *
bogdanm 13:0645d8841f51 34 * Ticker timer;
bogdanm 13:0645d8841f51 35 * DigitalOut led1(LED1);
bogdanm 13:0645d8841f51 36 * DigitalOut led2(LED2);
bogdanm 13:0645d8841f51 37 *
bogdanm 13:0645d8841f51 38 * int flip = 0;
bogdanm 13:0645d8841f51 39 *
bogdanm 13:0645d8841f51 40 * void attime() {
bogdanm 13:0645d8841f51 41 * flip = !flip;
bogdanm 13:0645d8841f51 42 * }
bogdanm 13:0645d8841f51 43 *
bogdanm 13:0645d8841f51 44 * int main() {
bogdanm 13:0645d8841f51 45 * timer.attach(&attime, 5);
bogdanm 13:0645d8841f51 46 * while(1) {
bogdanm 13:0645d8841f51 47 * if(flip == 0) {
bogdanm 13:0645d8841f51 48 * led1 = !led1;
bogdanm 13:0645d8841f51 49 * } else {
bogdanm 13:0645d8841f51 50 * led2 = !led2;
bogdanm 13:0645d8841f51 51 * }
bogdanm 13:0645d8841f51 52 * wait(0.2);
bogdanm 13:0645d8841f51 53 * }
bogdanm 13:0645d8841f51 54 * }
bogdanm 13:0645d8841f51 55 * @endcode
bogdanm 13:0645d8841f51 56 */
bogdanm 13:0645d8841f51 57 class Ticker : public TimerEvent {
bogdanm 13:0645d8841f51 58
bogdanm 13:0645d8841f51 59 public:
mbed_official 525:c320967f86b9 60 Ticker() : TimerEvent() {
mbed_official 525:c320967f86b9 61 }
mbed_official 525:c320967f86b9 62
mbed_official 547:88c982c8f758 63 Ticker(const ticker_data_t *data) : TimerEvent(data) {
mbed_official 525:c320967f86b9 64 }
bogdanm 13:0645d8841f51 65
bogdanm 13:0645d8841f51 66 /** Attach a function to be called by the Ticker, specifiying the interval in seconds
bogdanm 13:0645d8841f51 67 *
bogdanm 13:0645d8841f51 68 * @param fptr pointer to the function to be called
bogdanm 13:0645d8841f51 69 * @param t the time between calls in seconds
bogdanm 13:0645d8841f51 70 */
mbed_official 36:ab3ee77451e7 71 void attach(void (*fptr)(void), float t) {
mbed_official 36:ab3ee77451e7 72 attach_us(fptr, t * 1000000.0f);
bogdanm 13:0645d8841f51 73 }
bogdanm 13:0645d8841f51 74
bogdanm 13:0645d8841f51 75 /** Attach a member function to be called by the Ticker, specifiying the interval in seconds
bogdanm 13:0645d8841f51 76 *
bogdanm 13:0645d8841f51 77 * @param tptr pointer to the object to call the member function on
bogdanm 13:0645d8841f51 78 * @param mptr pointer to the member function to be called
bogdanm 13:0645d8841f51 79 * @param t the time between calls in seconds
bogdanm 13:0645d8841f51 80 */
bogdanm 13:0645d8841f51 81 template<typename T>
mbed_official 36:ab3ee77451e7 82 void attach(T* tptr, void (T::*mptr)(void), float t) {
mbed_official 36:ab3ee77451e7 83 attach_us(tptr, mptr, t * 1000000.0f);
bogdanm 13:0645d8841f51 84 }
bogdanm 13:0645d8841f51 85
bogdanm 13:0645d8841f51 86 /** Attach a function to be called by the Ticker, specifiying the interval in micro-seconds
bogdanm 13:0645d8841f51 87 *
bogdanm 13:0645d8841f51 88 * @param fptr pointer to the function to be called
bogdanm 13:0645d8841f51 89 * @param t the time between calls in micro-seconds
bogdanm 13:0645d8841f51 90 */
mbed_official 304:89b9c3a9a045 91 void attach_us(void (*fptr)(void), timestamp_t t) {
mbed_official 36:ab3ee77451e7 92 _function.attach(fptr);
bogdanm 13:0645d8841f51 93 setup(t);
bogdanm 13:0645d8841f51 94 }
bogdanm 13:0645d8841f51 95
bogdanm 13:0645d8841f51 96 /** Attach a member function to be called by the Ticker, specifiying the interval in micro-seconds
bogdanm 13:0645d8841f51 97 *
bogdanm 13:0645d8841f51 98 * @param tptr pointer to the object to call the member function on
bogdanm 13:0645d8841f51 99 * @param mptr pointer to the member function to be called
bogdanm 13:0645d8841f51 100 * @param t the time between calls in micro-seconds
bogdanm 13:0645d8841f51 101 */
bogdanm 13:0645d8841f51 102 template<typename T>
mbed_official 304:89b9c3a9a045 103 void attach_us(T* tptr, void (T::*mptr)(void), timestamp_t t) {
mbed_official 36:ab3ee77451e7 104 _function.attach(tptr, mptr);
bogdanm 13:0645d8841f51 105 setup(t);
bogdanm 13:0645d8841f51 106 }
bogdanm 13:0645d8841f51 107
mbed_official 304:89b9c3a9a045 108 virtual ~Ticker() {
mbed_official 304:89b9c3a9a045 109 detach();
mbed_official 304:89b9c3a9a045 110 }
mbed_official 304:89b9c3a9a045 111
bogdanm 13:0645d8841f51 112 /** Detach the function
bogdanm 13:0645d8841f51 113 */
bogdanm 13:0645d8841f51 114 void detach();
bogdanm 13:0645d8841f51 115
bogdanm 13:0645d8841f51 116 protected:
mbed_official 304:89b9c3a9a045 117 void setup(timestamp_t t);
bogdanm 13:0645d8841f51 118 virtual void handler();
bogdanm 13:0645d8841f51 119
mbed_official 304:89b9c3a9a045 120 protected:
mbed_official 304:89b9c3a9a045 121 timestamp_t _delay; /**< Time delay (in microseconds) for re-setting the multi-shot callback. */
mbed_official 304:89b9c3a9a045 122 FunctionPointer _function; /**< Callback. */
bogdanm 13:0645d8841f51 123 };
bogdanm 13:0645d8841f51 124
bogdanm 13:0645d8841f51 125 } // namespace mbed
bogdanm 13:0645d8841f51 126
bogdanm 13:0645d8841f51 127 #endif