Jing Qiu / mbed

nothing changed

Fork of mbed by gokmen ascioglu

Timeout.h@1:27d81db81dd7, 2015-03-03 (annotated)

Committer:
Jing_Qiu
Date:
Tue Mar 03 00:55:57 2015 +0000
Revision:
1:27d81db81dd7
Parent:
0:a8fa94490a0a 
revise

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gokmenascioglu 0:a8fa94490a0a 1 /* mbed Microcontroller Library - Timeout
gokmenascioglu 0:a8fa94490a0a 2 * Copyright (c) 2007-2009 ARM Limited. All rights reserved.
gokmenascioglu 0:a8fa94490a0a 3 */
gokmenascioglu 0:a8fa94490a0a 4
gokmenascioglu 0:a8fa94490a0a 5 #ifndef MBED_TIMEOUT_H
gokmenascioglu 0:a8fa94490a0a 6 #define MBED_TIMEOUT_H
gokmenascioglu 0:a8fa94490a0a 7
gokmenascioglu 0:a8fa94490a0a 8 #include "Ticker.h"
gokmenascioglu 0:a8fa94490a0a 9
gokmenascioglu 0:a8fa94490a0a 10 namespace mbed {
gokmenascioglu 0:a8fa94490a0a 11
gokmenascioglu 0:a8fa94490a0a 12 /* Class: Timeout
gokmenascioglu 0:a8fa94490a0a 13 * A Timeout is used to call a function at a point in the future
gokmenascioglu 0:a8fa94490a0a 14 *
gokmenascioglu 0:a8fa94490a0a 15 * You can use as many seperate Timeout objects as you require.
gokmenascioglu 0:a8fa94490a0a 16 *
gokmenascioglu 0:a8fa94490a0a 17 * Example:
gokmenascioglu 0:a8fa94490a0a 18 * > // Blink until timeout.
gokmenascioglu 0:a8fa94490a0a 19 * >
gokmenascioglu 0:a8fa94490a0a 20 * > #include "mbed.h"
gokmenascioglu 0:a8fa94490a0a 21 * >
gokmenascioglu 0:a8fa94490a0a 22 * > Timeout timeout;
gokmenascioglu 0:a8fa94490a0a 23 * > DigitalOut led(LED1);
gokmenascioglu 0:a8fa94490a0a 24 * >
gokmenascioglu 0:a8fa94490a0a 25 * > int on = 1;
gokmenascioglu 0:a8fa94490a0a 26 * >
gokmenascioglu 0:a8fa94490a0a 27 * > void attimeout() {
gokmenascioglu 0:a8fa94490a0a 28 * > on = 0;
gokmenascioglu 0:a8fa94490a0a 29 * > }
gokmenascioglu 0:a8fa94490a0a 30 * >
gokmenascioglu 0:a8fa94490a0a 31 * > int main() {
gokmenascioglu 0:a8fa94490a0a 32 * > timeout.attach(&attimeout, 5);
gokmenascioglu 0:a8fa94490a0a 33 * > while(on) {
gokmenascioglu 0:a8fa94490a0a 34 * > led = !led;
gokmenascioglu 0:a8fa94490a0a 35 * > wait(0.2);
gokmenascioglu 0:a8fa94490a0a 36 * > }
gokmenascioglu 0:a8fa94490a0a 37 * > }
gokmenascioglu 0:a8fa94490a0a 38 */
gokmenascioglu 0:a8fa94490a0a 39 class Timeout : public Ticker {
gokmenascioglu 0:a8fa94490a0a 40
gokmenascioglu 0:a8fa94490a0a 41 #if 0 // For documentation
gokmenascioglu 0:a8fa94490a0a 42
gokmenascioglu 0:a8fa94490a0a 43 /* Function: attach
gokmenascioglu 0:a8fa94490a0a 44 * Attach a function to be called by the Timeout, specifiying the delay in seconds
gokmenascioglu 0:a8fa94490a0a 45 *
gokmenascioglu 0:a8fa94490a0a 46 * Variables:
gokmenascioglu 0:a8fa94490a0a 47 * fptr - pointer to the function to be called
gokmenascioglu 0:a8fa94490a0a 48 * t - the time before the call in seconds
gokmenascioglu 0:a8fa94490a0a 49 */
gokmenascioglu 0:a8fa94490a0a 50 void attach(void (*fptr)(void), float t) {
gokmenascioglu 0:a8fa94490a0a 51 attach_us(fptr, t * 1000000.0f);
gokmenascioglu 0:a8fa94490a0a 52 }
gokmenascioglu 0:a8fa94490a0a 53
gokmenascioglu 0:a8fa94490a0a 54 /* Function: attach
gokmenascioglu 0:a8fa94490a0a 55 * Attach a member function to be called by the Timeout, specifiying the delay in seconds
gokmenascioglu 0:a8fa94490a0a 56 *
gokmenascioglu 0:a8fa94490a0a 57 * Variables:
gokmenascioglu 0:a8fa94490a0a 58 * tptr - pointer to the object to call the member function on
gokmenascioglu 0:a8fa94490a0a 59 * mptr - pointer to the member function to be called
gokmenascioglu 0:a8fa94490a0a 60 * t - the time before the calls in seconds
gokmenascioglu 0:a8fa94490a0a 61 */
gokmenascioglu 0:a8fa94490a0a 62 template<typename T>
gokmenascioglu 0:a8fa94490a0a 63 void attach(T* tptr, void (T::*mptr)(void), float t) {
gokmenascioglu 0:a8fa94490a0a 64 attach_us(tptr, mptr, t * 1000000.0f);
gokmenascioglu 0:a8fa94490a0a 65 }
gokmenascioglu 0:a8fa94490a0a 66
gokmenascioglu 0:a8fa94490a0a 67 /* Function: attach_us
gokmenascioglu 0:a8fa94490a0a 68 * Attach a function to be called by the Timeout, specifiying the delay in micro-seconds
gokmenascioglu 0:a8fa94490a0a 69 *
gokmenascioglu 0:a8fa94490a0a 70 * Variables:
gokmenascioglu 0:a8fa94490a0a 71 * fptr - pointer to the function to be called
gokmenascioglu 0:a8fa94490a0a 72 * t - the time before the call in micro-seconds
gokmenascioglu 0:a8fa94490a0a 73 */
gokmenascioglu 0:a8fa94490a0a 74 void attach_us(void (*fptr)(void), unsigned int t) {
gokmenascioglu 0:a8fa94490a0a 75 _function.attach(fptr);
gokmenascioglu 0:a8fa94490a0a 76 setup(t);
gokmenascioglu 0:a8fa94490a0a 77 }
gokmenascioglu 0:a8fa94490a0a 78
gokmenascioglu 0:a8fa94490a0a 79 /* Function: attach_us
gokmenascioglu 0:a8fa94490a0a 80 * Attach a member function to be called by the Timeout, specifiying the delay in micro-seconds
gokmenascioglu 0:a8fa94490a0a 81 *
gokmenascioglu 0:a8fa94490a0a 82 * Variables:
gokmenascioglu 0:a8fa94490a0a 83 * tptr - pointer to the object to call the member function on
gokmenascioglu 0:a8fa94490a0a 84 * mptr - pointer to the member function to be called
gokmenascioglu 0:a8fa94490a0a 85 * t - the time before the call in micro-seconds
gokmenascioglu 0:a8fa94490a0a 86 */
gokmenascioglu 0:a8fa94490a0a 87 template<typename T>
gokmenascioglu 0:a8fa94490a0a 88 void attach_us(T* tptr, void (T::*mptr)(void), unsigned int t) {
gokmenascioglu 0:a8fa94490a0a 89 _function.attach(tptr, mptr);
gokmenascioglu 0:a8fa94490a0a 90 setup(t);
gokmenascioglu 0:a8fa94490a0a 91 }
gokmenascioglu 0:a8fa94490a0a 92
gokmenascioglu 0:a8fa94490a0a 93 /* Function: detach
gokmenascioglu 0:a8fa94490a0a 94 * Detach the function
gokmenascioglu 0:a8fa94490a0a 95 */
gokmenascioglu 0:a8fa94490a0a 96 void detach();
gokmenascioglu 0:a8fa94490a0a 97
gokmenascioglu 0:a8fa94490a0a 98 #endif
gokmenascioglu 0:a8fa94490a0a 99
gokmenascioglu 0:a8fa94490a0a 100 protected:
gokmenascioglu 0:a8fa94490a0a 101
gokmenascioglu 0:a8fa94490a0a 102 virtual void handler();
gokmenascioglu 0:a8fa94490a0a 103
gokmenascioglu 0:a8fa94490a0a 104 };
gokmenascioglu 0:a8fa94490a0a 105
gokmenascioglu 0:a8fa94490a0a 106 } // namespace mbed
gokmenascioglu 0:a8fa94490a0a 107
gokmenascioglu 0:a8fa94490a0a 108 #endif