DSP Book Yeditepe / mbed_f401re

mbed library sources with internal temperature sensor for nucleo f401

api/Ticker.h@0:7e2bd16f80af, 2015-01-17 (annotated)

Committer:
elessair
Date:
Sat Jan 17 18:03:58 2015 +0000
Revision:
0:7e2bd16f80af
nucleo f401re internal temperature added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:7e2bd16f80af 1 /* mbed Microcontroller Library
elessair 0:7e2bd16f80af 2 * Copyright (c) 2006-2013 ARM Limited
elessair 0:7e2bd16f80af 3 *
elessair 0:7e2bd16f80af 4 * Licensed under the Apache License, Version 2.0 (the "License");
elessair 0:7e2bd16f80af 5 * you may not use this file except in compliance with the License.
elessair 0:7e2bd16f80af 6 * You may obtain a copy of the License at
elessair 0:7e2bd16f80af 7 *
elessair 0:7e2bd16f80af 8 * http://www.apache.org/licenses/LICENSE-2.0
elessair 0:7e2bd16f80af 9 *
elessair 0:7e2bd16f80af 10 * Unless required by applicable law or agreed to in writing, software
elessair 0:7e2bd16f80af 11 * distributed under the License is distributed on an "AS IS" BASIS,
elessair 0:7e2bd16f80af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:7e2bd16f80af 13 * See the License for the specific language governing permissions and
elessair 0:7e2bd16f80af 14 * limitations under the License.
elessair 0:7e2bd16f80af 15 */
elessair 0:7e2bd16f80af 16 #ifndef MBED_TICKER_H
elessair 0:7e2bd16f80af 17 #define MBED_TICKER_H
elessair 0:7e2bd16f80af 18
elessair 0:7e2bd16f80af 19 #include "TimerEvent.h"
elessair 0:7e2bd16f80af 20 #include "FunctionPointer.h"
elessair 0:7e2bd16f80af 21
elessair 0:7e2bd16f80af 22 namespace mbed {
elessair 0:7e2bd16f80af 23
elessair 0:7e2bd16f80af 24 /** A Ticker is used to call a function at a recurring interval
elessair 0:7e2bd16f80af 25 *
elessair 0:7e2bd16f80af 26 * You can use as many seperate Ticker objects as you require.
elessair 0:7e2bd16f80af 27 *
elessair 0:7e2bd16f80af 28 * Example:
elessair 0:7e2bd16f80af 29 * @code
elessair 0:7e2bd16f80af 30 * // Toggle the blinking led after 5 seconds
elessair 0:7e2bd16f80af 31 *
elessair 0:7e2bd16f80af 32 * #include "mbed.h"
elessair 0:7e2bd16f80af 33 *
elessair 0:7e2bd16f80af 34 * Ticker timer;
elessair 0:7e2bd16f80af 35 * DigitalOut led1(LED1);
elessair 0:7e2bd16f80af 36 * DigitalOut led2(LED2);
elessair 0:7e2bd16f80af 37 *
elessair 0:7e2bd16f80af 38 * int flip = 0;
elessair 0:7e2bd16f80af 39 *
elessair 0:7e2bd16f80af 40 * void attime() {
elessair 0:7e2bd16f80af 41 * flip = !flip;
elessair 0:7e2bd16f80af 42 * }
elessair 0:7e2bd16f80af 43 *
elessair 0:7e2bd16f80af 44 * int main() {
elessair 0:7e2bd16f80af 45 * timer.attach(&attime, 5);
elessair 0:7e2bd16f80af 46 * while(1) {
elessair 0:7e2bd16f80af 47 * if(flip == 0) {
elessair 0:7e2bd16f80af 48 * led1 = !led1;
elessair 0:7e2bd16f80af 49 * } else {
elessair 0:7e2bd16f80af 50 * led2 = !led2;
elessair 0:7e2bd16f80af 51 * }
elessair 0:7e2bd16f80af 52 * wait(0.2);
elessair 0:7e2bd16f80af 53 * }
elessair 0:7e2bd16f80af 54 * }
elessair 0:7e2bd16f80af 55 * @endcode
elessair 0:7e2bd16f80af 56 */
elessair 0:7e2bd16f80af 57 class Ticker : public TimerEvent {
elessair 0:7e2bd16f80af 58
elessair 0:7e2bd16f80af 59 public:
elessair 0:7e2bd16f80af 60
elessair 0:7e2bd16f80af 61 /** Attach a function to be called by the Ticker, specifiying the interval in seconds
elessair 0:7e2bd16f80af 62 *
elessair 0:7e2bd16f80af 63 * @param fptr pointer to the function to be called
elessair 0:7e2bd16f80af 64 * @param t the time between calls in seconds
elessair 0:7e2bd16f80af 65 */
elessair 0:7e2bd16f80af 66 void attach(void (*fptr)(void), float t) {
elessair 0:7e2bd16f80af 67 attach_us(fptr, t * 1000000.0f);
elessair 0:7e2bd16f80af 68 }
elessair 0:7e2bd16f80af 69
elessair 0:7e2bd16f80af 70 /** Attach a member function to be called by the Ticker, specifiying the interval in seconds
elessair 0:7e2bd16f80af 71 *
elessair 0:7e2bd16f80af 72 * @param tptr pointer to the object to call the member function on
elessair 0:7e2bd16f80af 73 * @param mptr pointer to the member function to be called
elessair 0:7e2bd16f80af 74 * @param t the time between calls in seconds
elessair 0:7e2bd16f80af 75 */
elessair 0:7e2bd16f80af 76 template<typename T>
elessair 0:7e2bd16f80af 77 void attach(T* tptr, void (T::*mptr)(void), float t) {
elessair 0:7e2bd16f80af 78 attach_us(tptr, mptr, t * 1000000.0f);
elessair 0:7e2bd16f80af 79 }
elessair 0:7e2bd16f80af 80
elessair 0:7e2bd16f80af 81 /** Attach a function to be called by the Ticker, specifiying the interval in micro-seconds
elessair 0:7e2bd16f80af 82 *
elessair 0:7e2bd16f80af 83 * @param fptr pointer to the function to be called
elessair 0:7e2bd16f80af 84 * @param t the time between calls in micro-seconds
elessair 0:7e2bd16f80af 85 */
elessair 0:7e2bd16f80af 86 void attach_us(void (*fptr)(void), timestamp_t t) {
elessair 0:7e2bd16f80af 87 _function.attach(fptr);
elessair 0:7e2bd16f80af 88 setup(t);
elessair 0:7e2bd16f80af 89 }
elessair 0:7e2bd16f80af 90
elessair 0:7e2bd16f80af 91 /** Attach a member function to be called by the Ticker, specifiying the interval in micro-seconds
elessair 0:7e2bd16f80af 92 *
elessair 0:7e2bd16f80af 93 * @param tptr pointer to the object to call the member function on
elessair 0:7e2bd16f80af 94 * @param mptr pointer to the member function to be called
elessair 0:7e2bd16f80af 95 * @param t the time between calls in micro-seconds
elessair 0:7e2bd16f80af 96 */
elessair 0:7e2bd16f80af 97 template<typename T>
elessair 0:7e2bd16f80af 98 void attach_us(T* tptr, void (T::*mptr)(void), timestamp_t t) {
elessair 0:7e2bd16f80af 99 _function.attach(tptr, mptr);
elessair 0:7e2bd16f80af 100 setup(t);
elessair 0:7e2bd16f80af 101 }
elessair 0:7e2bd16f80af 102
elessair 0:7e2bd16f80af 103 virtual ~Ticker() {
elessair 0:7e2bd16f80af 104 detach();
elessair 0:7e2bd16f80af 105 }
elessair 0:7e2bd16f80af 106
elessair 0:7e2bd16f80af 107 /** Detach the function
elessair 0:7e2bd16f80af 108 */
elessair 0:7e2bd16f80af 109 void detach();
elessair 0:7e2bd16f80af 110
elessair 0:7e2bd16f80af 111 protected:
elessair 0:7e2bd16f80af 112 void setup(timestamp_t t);
elessair 0:7e2bd16f80af 113 virtual void handler();
elessair 0:7e2bd16f80af 114
elessair 0:7e2bd16f80af 115 protected:
elessair 0:7e2bd16f80af 116 timestamp_t _delay; /**< Time delay (in microseconds) for re-setting the multi-shot callback. */
elessair 0:7e2bd16f80af 117 FunctionPointer _function; /**< Callback. */
elessair 0:7e2bd16f80af 118 };
elessair 0:7e2bd16f80af 119
elessair 0:7e2bd16f80af 120 } // namespace mbed
elessair 0:7e2bd16f80af 121
elessair 0:7e2bd16f80af 122 #endif