wanjun chen / Mbed 2 deprecated Nucleo_BLE_Demo

IOTIO

Dependencies:   Nucleo_BLE_API_IOTIO Nucleo_BLE_BlueNRG Nucleo_BLE_DemoApp Nucleo_Sensor_Shield mbed

Dependents:   Nucleo_BLE_Demo_IOTIO

Fork of Nucleo_BLE_Demo by Cortex Challenge Team

mbed/Ticker.h@2:c69117fc79da, 2017-03-08 (annotated)

Committer:
16038618
Date:
Wed Mar 08 10:24:56 2017 +0000
Revision:
2:c69117fc79da
Parent:
1:4bdfa7d7e8bf 
IOTIO

Who changed what in which revision?

UserRevisionLine numberNew contents of line
16038618 1:4bdfa7d7e8bf 1 /* mbed Microcontroller Library
16038618 1:4bdfa7d7e8bf 2 * Copyright (c) 2006-2013 ARM Limited
16038618 1:4bdfa7d7e8bf 3 *
16038618 1:4bdfa7d7e8bf 4 * Licensed under the Apache License, Version 2.0 (the "License");
16038618 1:4bdfa7d7e8bf 5 * you may not use this file except in compliance with the License.
16038618 1:4bdfa7d7e8bf 6 * You may obtain a copy of the License at
16038618 1:4bdfa7d7e8bf 7 *
16038618 1:4bdfa7d7e8bf 8 * http://www.apache.org/licenses/LICENSE-2.0
16038618 1:4bdfa7d7e8bf 9 *
16038618 1:4bdfa7d7e8bf 10 * Unless required by applicable law or agreed to in writing, software
16038618 1:4bdfa7d7e8bf 11 * distributed under the License is distributed on an "AS IS" BASIS,
16038618 1:4bdfa7d7e8bf 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16038618 1:4bdfa7d7e8bf 13 * See the License for the specific language governing permissions and
16038618 1:4bdfa7d7e8bf 14 * limitations under the License.
16038618 1:4bdfa7d7e8bf 15 */
16038618 1:4bdfa7d7e8bf 16 #ifndef MBED_TICKER_H
16038618 1:4bdfa7d7e8bf 17 #define MBED_TICKER_H
16038618 1:4bdfa7d7e8bf 18
16038618 1:4bdfa7d7e8bf 19 #include "TimerEvent.h"
16038618 1:4bdfa7d7e8bf 20 #include "FunctionPointer.h"
16038618 1:4bdfa7d7e8bf 21
16038618 1:4bdfa7d7e8bf 22 namespace mbed {
16038618 1:4bdfa7d7e8bf 23
16038618 1:4bdfa7d7e8bf 24 /** A Ticker is used to call a function at a recurring interval
16038618 1:4bdfa7d7e8bf 25 *
16038618 1:4bdfa7d7e8bf 26 * You can use as many seperate Ticker objects as you require.
16038618 1:4bdfa7d7e8bf 27 *
16038618 1:4bdfa7d7e8bf 28 * Example:
16038618 1:4bdfa7d7e8bf 29 * @code
16038618 1:4bdfa7d7e8bf 30 * // Toggle the blinking led after 5 seconds
16038618 1:4bdfa7d7e8bf 31 *
16038618 1:4bdfa7d7e8bf 32 * #include "mbed.h"
16038618 1:4bdfa7d7e8bf 33 *
16038618 1:4bdfa7d7e8bf 34 * Ticker timer;
16038618 1:4bdfa7d7e8bf 35 * DigitalOut led1(LED1);
16038618 1:4bdfa7d7e8bf 36 * DigitalOut led2(LED2);
16038618 1:4bdfa7d7e8bf 37 *
16038618 1:4bdfa7d7e8bf 38 * int flip = 0;
16038618 1:4bdfa7d7e8bf 39 *
16038618 1:4bdfa7d7e8bf 40 * void attime() {
16038618 1:4bdfa7d7e8bf 41 * flip = !flip;
16038618 1:4bdfa7d7e8bf 42 * }
16038618 1:4bdfa7d7e8bf 43 *
16038618 1:4bdfa7d7e8bf 44 * int main() {
16038618 1:4bdfa7d7e8bf 45 * timer.attach(&attime, 5);
16038618 1:4bdfa7d7e8bf 46 * while(1) {
16038618 1:4bdfa7d7e8bf 47 * if(flip == 0) {
16038618 1:4bdfa7d7e8bf 48 * led1 = !led1;
16038618 1:4bdfa7d7e8bf 49 * } else {
16038618 1:4bdfa7d7e8bf 50 * led2 = !led2;
16038618 1:4bdfa7d7e8bf 51 * }
16038618 1:4bdfa7d7e8bf 52 * wait(0.2);
16038618 1:4bdfa7d7e8bf 53 * }
16038618 1:4bdfa7d7e8bf 54 * }
16038618 1:4bdfa7d7e8bf 55 * @endcode
16038618 1:4bdfa7d7e8bf 56 */
16038618 1:4bdfa7d7e8bf 57 class Ticker : public TimerEvent {
16038618 1:4bdfa7d7e8bf 58
16038618 1:4bdfa7d7e8bf 59 public:
16038618 1:4bdfa7d7e8bf 60 Ticker() : TimerEvent() {
16038618 1:4bdfa7d7e8bf 61 }
16038618 1:4bdfa7d7e8bf 62
16038618 1:4bdfa7d7e8bf 63 Ticker(const ticker_data_t *data) : TimerEvent(data) {
16038618 1:4bdfa7d7e8bf 64 }
16038618 1:4bdfa7d7e8bf 65
16038618 1:4bdfa7d7e8bf 66 /** Attach a function to be called by the Ticker, specifiying the interval in seconds
16038618 1:4bdfa7d7e8bf 67 *
16038618 1:4bdfa7d7e8bf 68 * @param fptr pointer to the function to be called
16038618 1:4bdfa7d7e8bf 69 * @param t the time between calls in seconds
16038618 1:4bdfa7d7e8bf 70 */
16038618 1:4bdfa7d7e8bf 71 void attach(void (*fptr)(void), float t) {
16038618 1:4bdfa7d7e8bf 72 attach_us(fptr, t * 1000000.0f);
16038618 1:4bdfa7d7e8bf 73 }
16038618 1:4bdfa7d7e8bf 74
16038618 1:4bdfa7d7e8bf 75 /** Attach a member function to be called by the Ticker, specifiying the interval in seconds
16038618 1:4bdfa7d7e8bf 76 *
16038618 1:4bdfa7d7e8bf 77 * @param tptr pointer to the object to call the member function on
16038618 1:4bdfa7d7e8bf 78 * @param mptr pointer to the member function to be called
16038618 1:4bdfa7d7e8bf 79 * @param t the time between calls in seconds
16038618 1:4bdfa7d7e8bf 80 */
16038618 1:4bdfa7d7e8bf 81 template<typename T>
16038618 1:4bdfa7d7e8bf 82 void attach(T* tptr, void (T::*mptr)(void), float t) {
16038618 1:4bdfa7d7e8bf 83 attach_us(tptr, mptr, t * 1000000.0f);
16038618 1:4bdfa7d7e8bf 84 }
16038618 1:4bdfa7d7e8bf 85
16038618 1:4bdfa7d7e8bf 86 /** Attach a function to be called by the Ticker, specifiying the interval in micro-seconds
16038618 1:4bdfa7d7e8bf 87 *
16038618 1:4bdfa7d7e8bf 88 * @param fptr pointer to the function to be called
16038618 1:4bdfa7d7e8bf 89 * @param t the time between calls in micro-seconds
16038618 1:4bdfa7d7e8bf 90 */
16038618 1:4bdfa7d7e8bf 91 void attach_us(void (*fptr)(void), timestamp_t t) {
16038618 1:4bdfa7d7e8bf 92 _function.attach(fptr);
16038618 1:4bdfa7d7e8bf 93 setup(t);
16038618 1:4bdfa7d7e8bf 94 }
16038618 1:4bdfa7d7e8bf 95
16038618 1:4bdfa7d7e8bf 96 /** Attach a member function to be called by the Ticker, specifiying the interval in micro-seconds
16038618 1:4bdfa7d7e8bf 97 *
16038618 1:4bdfa7d7e8bf 98 * @param tptr pointer to the object to call the member function on
16038618 1:4bdfa7d7e8bf 99 * @param mptr pointer to the member function to be called
16038618 1:4bdfa7d7e8bf 100 * @param t the time between calls in micro-seconds
16038618 1:4bdfa7d7e8bf 101 */
16038618 1:4bdfa7d7e8bf 102 template<typename T>
16038618 1:4bdfa7d7e8bf 103 void attach_us(T* tptr, void (T::*mptr)(void), timestamp_t t) {
16038618 1:4bdfa7d7e8bf 104 _function.attach(tptr, mptr);
16038618 1:4bdfa7d7e8bf 105 setup(t);
16038618 1:4bdfa7d7e8bf 106 }
16038618 1:4bdfa7d7e8bf 107
16038618 1:4bdfa7d7e8bf 108 virtual ~Ticker() {
16038618 1:4bdfa7d7e8bf 109 detach();
16038618 1:4bdfa7d7e8bf 110 }
16038618 1:4bdfa7d7e8bf 111
16038618 1:4bdfa7d7e8bf 112 /** Detach the function
16038618 1:4bdfa7d7e8bf 113 */
16038618 1:4bdfa7d7e8bf 114 void detach();
16038618 1:4bdfa7d7e8bf 115
16038618 1:4bdfa7d7e8bf 116 protected:
16038618 1:4bdfa7d7e8bf 117 void setup(timestamp_t t);
16038618 1:4bdfa7d7e8bf 118 virtual void handler();
16038618 1:4bdfa7d7e8bf 119
16038618 1:4bdfa7d7e8bf 120 protected:
16038618 1:4bdfa7d7e8bf 121 timestamp_t _delay; /**< Time delay (in microseconds) for re-setting the multi-shot callback. */
16038618 1:4bdfa7d7e8bf 122 FunctionPointer _function; /**< Callback. */
16038618 1:4bdfa7d7e8bf 123 };
16038618 1:4bdfa7d7e8bf 124
16038618 1:4bdfa7d7e8bf 125 } // namespace mbed
16038618 1:4bdfa7d7e8bf 126
16038618 1:4bdfa7d7e8bf 127 #endif