Руслан Бредун / Mbed 2 deprecated stm32-sensor-base2

test

Dependencies:   mbed Watchdog

Dependents:   STM32-MC_node

mbed/Ticker.h@0:d383e2dee0f7, 2020-07-06 (annotated)

Committer:
ommpy
Date:
Mon Jul 06 17:18:59 2020 +0530
Revision:
0:d383e2dee0f7
first commit

Who changed what in which revision?

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ommpy 0:d383e2dee0f7 1 /* mbed Microcontroller Library
ommpy 0:d383e2dee0f7 2 * Copyright (c) 2006-2013 ARM Limited
ommpy 0:d383e2dee0f7 3 *
ommpy 0:d383e2dee0f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
ommpy 0:d383e2dee0f7 5 * you may not use this file except in compliance with the License.
ommpy 0:d383e2dee0f7 6 * You may obtain a copy of the License at
ommpy 0:d383e2dee0f7 7 *
ommpy 0:d383e2dee0f7 8 * http://www.apache.org/licenses/LICENSE-2.0
ommpy 0:d383e2dee0f7 9 *
ommpy 0:d383e2dee0f7 10 * Unless required by applicable law or agreed to in writing, software
ommpy 0:d383e2dee0f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
ommpy 0:d383e2dee0f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ommpy 0:d383e2dee0f7 13 * See the License for the specific language governing permissions and
ommpy 0:d383e2dee0f7 14 * limitations under the License.
ommpy 0:d383e2dee0f7 15 */
ommpy 0:d383e2dee0f7 16 #ifndef MBED_TICKER_H
ommpy 0:d383e2dee0f7 17 #define MBED_TICKER_H
ommpy 0:d383e2dee0f7 18
ommpy 0:d383e2dee0f7 19 #include "TimerEvent.h"
ommpy 0:d383e2dee0f7 20 #include "FunctionPointer.h"
ommpy 0:d383e2dee0f7 21
ommpy 0:d383e2dee0f7 22 namespace mbed {
ommpy 0:d383e2dee0f7 23
ommpy 0:d383e2dee0f7 24 /** A Ticker is used to call a function at a recurring interval
ommpy 0:d383e2dee0f7 25 *
ommpy 0:d383e2dee0f7 26 * You can use as many seperate Ticker objects as you require.
ommpy 0:d383e2dee0f7 27 *
ommpy 0:d383e2dee0f7 28 * Example:
ommpy 0:d383e2dee0f7 29 * @code
ommpy 0:d383e2dee0f7 30 * // Toggle the blinking led after 5 seconds
ommpy 0:d383e2dee0f7 31 *
ommpy 0:d383e2dee0f7 32 * #include "mbed.h"
ommpy 0:d383e2dee0f7 33 *
ommpy 0:d383e2dee0f7 34 * Ticker timer;
ommpy 0:d383e2dee0f7 35 * DigitalOut led1(LED1);
ommpy 0:d383e2dee0f7 36 * DigitalOut led2(LED2);
ommpy 0:d383e2dee0f7 37 *
ommpy 0:d383e2dee0f7 38 * int flip = 0;
ommpy 0:d383e2dee0f7 39 *
ommpy 0:d383e2dee0f7 40 * void attime() {
ommpy 0:d383e2dee0f7 41 * flip = !flip;
ommpy 0:d383e2dee0f7 42 * }
ommpy 0:d383e2dee0f7 43 *
ommpy 0:d383e2dee0f7 44 * int main() {
ommpy 0:d383e2dee0f7 45 * timer.attach(&attime, 5);
ommpy 0:d383e2dee0f7 46 * while(1) {
ommpy 0:d383e2dee0f7 47 * if(flip == 0) {
ommpy 0:d383e2dee0f7 48 * led1 = !led1;
ommpy 0:d383e2dee0f7 49 * } else {
ommpy 0:d383e2dee0f7 50 * led2 = !led2;
ommpy 0:d383e2dee0f7 51 * }
ommpy 0:d383e2dee0f7 52 * wait(0.2);
ommpy 0:d383e2dee0f7 53 * }
ommpy 0:d383e2dee0f7 54 * }
ommpy 0:d383e2dee0f7 55 * @endcode
ommpy 0:d383e2dee0f7 56 */
ommpy 0:d383e2dee0f7 57 class Ticker : public TimerEvent {
ommpy 0:d383e2dee0f7 58
ommpy 0:d383e2dee0f7 59 public:
ommpy 0:d383e2dee0f7 60 Ticker() : TimerEvent() {
ommpy 0:d383e2dee0f7 61 }
ommpy 0:d383e2dee0f7 62
ommpy 0:d383e2dee0f7 63 Ticker(const ticker_data_t *data) : TimerEvent(data) {
ommpy 0:d383e2dee0f7 64 }
ommpy 0:d383e2dee0f7 65
ommpy 0:d383e2dee0f7 66 /** Attach a function to be called by the Ticker, specifiying the interval in seconds
ommpy 0:d383e2dee0f7 67 *
ommpy 0:d383e2dee0f7 68 * @param fptr pointer to the function to be called
ommpy 0:d383e2dee0f7 69 * @param t the time between calls in seconds
ommpy 0:d383e2dee0f7 70 */
ommpy 0:d383e2dee0f7 71 void attach(void (*fptr)(void), float t) {
ommpy 0:d383e2dee0f7 72 attach_us(fptr, t * 1000000.0f);
ommpy 0:d383e2dee0f7 73 }
ommpy 0:d383e2dee0f7 74
ommpy 0:d383e2dee0f7 75 /** Attach a member function to be called by the Ticker, specifiying the interval in seconds
ommpy 0:d383e2dee0f7 76 *
ommpy 0:d383e2dee0f7 77 * @param tptr pointer to the object to call the member function on
ommpy 0:d383e2dee0f7 78 * @param mptr pointer to the member function to be called
ommpy 0:d383e2dee0f7 79 * @param t the time between calls in seconds
ommpy 0:d383e2dee0f7 80 */
ommpy 0:d383e2dee0f7 81 template<typename T>
ommpy 0:d383e2dee0f7 82 void attach(T* tptr, void (T::*mptr)(void), float t) {
ommpy 0:d383e2dee0f7 83 attach_us(tptr, mptr, t * 1000000.0f);
ommpy 0:d383e2dee0f7 84 }
ommpy 0:d383e2dee0f7 85
ommpy 0:d383e2dee0f7 86 /** Attach a function to be called by the Ticker, specifiying the interval in micro-seconds
ommpy 0:d383e2dee0f7 87 *
ommpy 0:d383e2dee0f7 88 * @param fptr pointer to the function to be called
ommpy 0:d383e2dee0f7 89 * @param t the time between calls in micro-seconds
ommpy 0:d383e2dee0f7 90 */
ommpy 0:d383e2dee0f7 91 void attach_us(void (*fptr)(void), timestamp_t t) {
ommpy 0:d383e2dee0f7 92 _function.attach(fptr);
ommpy 0:d383e2dee0f7 93 setup(t);
ommpy 0:d383e2dee0f7 94 }
ommpy 0:d383e2dee0f7 95
ommpy 0:d383e2dee0f7 96 /** Attach a member function to be called by the Ticker, specifiying the interval in micro-seconds
ommpy 0:d383e2dee0f7 97 *
ommpy 0:d383e2dee0f7 98 * @param tptr pointer to the object to call the member function on
ommpy 0:d383e2dee0f7 99 * @param mptr pointer to the member function to be called
ommpy 0:d383e2dee0f7 100 * @param t the time between calls in micro-seconds
ommpy 0:d383e2dee0f7 101 */
ommpy 0:d383e2dee0f7 102 template<typename T>
ommpy 0:d383e2dee0f7 103 void attach_us(T* tptr, void (T::*mptr)(void), timestamp_t t) {
ommpy 0:d383e2dee0f7 104 _function.attach(tptr, mptr);
ommpy 0:d383e2dee0f7 105 setup(t);
ommpy 0:d383e2dee0f7 106 }
ommpy 0:d383e2dee0f7 107
ommpy 0:d383e2dee0f7 108 virtual ~Ticker() {
ommpy 0:d383e2dee0f7 109 detach();
ommpy 0:d383e2dee0f7 110 }
ommpy 0:d383e2dee0f7 111
ommpy 0:d383e2dee0f7 112 /** Detach the function
ommpy 0:d383e2dee0f7 113 */
ommpy 0:d383e2dee0f7 114 void detach();
ommpy 0:d383e2dee0f7 115
ommpy 0:d383e2dee0f7 116 protected:
ommpy 0:d383e2dee0f7 117 void setup(timestamp_t t);
ommpy 0:d383e2dee0f7 118 virtual void handler();
ommpy 0:d383e2dee0f7 119
ommpy 0:d383e2dee0f7 120 protected:
ommpy 0:d383e2dee0f7 121 timestamp_t _delay; /**< Time delay (in microseconds) for re-setting the multi-shot callback. */
ommpy 0:d383e2dee0f7 122 FunctionPointer _function; /**< Callback. */
ommpy 0:d383e2dee0f7 123 };
ommpy 0:d383e2dee0f7 124
ommpy 0:d383e2dee0f7 125 } // namespace mbed
ommpy 0:d383e2dee0f7 126
ommpy 0:d383e2dee0f7 127 #endif