Matthew Sims / mbed

Lab 1 Program C

Dependents:   Lab1C

Fork of mbed by -deleted-

Ticker.h@9:cf0d45ce28a6, 2009-04-15 (annotated)

Committer:
simon.ford@mbed.co.uk
Date:
Wed Apr 15 14:15:04 2009 +0000
Revision:
9:cf0d45ce28a6
Parent:
4:5d1359a283bc
Child:
11:1c1ebd0324fa
Update library with fixes

   * TimerEvent hang bugfix

   * FileLike use as file pointer

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon.ford@mbed.co.uk 9:cf0d45ce28a6 1 /* mbed Microcontroller Library - Ticker
simon.ford@mbed.co.uk 9:cf0d45ce28a6 2 * Copyright (c) 2007-2008, sford
simon.ford@mbed.co.uk 9:cf0d45ce28a6 3 */
simon.ford@mbed.co.uk 9:cf0d45ce28a6 4
simon.ford@mbed.co.uk 9:cf0d45ce28a6 5 #ifndef MBED_TICKER_H
simon.ford@mbed.co.uk 9:cf0d45ce28a6 6 #define MBED_TICKER_H
simon.ford@mbed.co.uk 9:cf0d45ce28a6 7
simon.ford@mbed.co.uk 9:cf0d45ce28a6 8 #include "TimerEvent.h"
simon.ford@mbed.co.uk 9:cf0d45ce28a6 9 #include "FunctionPointer.h"
simon.ford@mbed.co.uk 9:cf0d45ce28a6 10
simon.ford@mbed.co.uk 9:cf0d45ce28a6 11 namespace mbed {
simon.ford@mbed.co.uk 9:cf0d45ce28a6 12
simon.ford@mbed.co.uk 9:cf0d45ce28a6 13 /* Class: Ticker
simon.ford@mbed.co.uk 9:cf0d45ce28a6 14 * A Ticker is used to call a function at a recurring interval
simon.ford@mbed.co.uk 9:cf0d45ce28a6 15 *
simon.ford@mbed.co.uk 9:cf0d45ce28a6 16 * You can use as many seperate Ticker objects as you require.
simon.ford@mbed.co.uk 9:cf0d45ce28a6 17 */
simon.ford@mbed.co.uk 9:cf0d45ce28a6 18 class Ticker : public TimerEvent {
simon.ford@mbed.co.uk 9:cf0d45ce28a6 19
simon.ford@mbed.co.uk 9:cf0d45ce28a6 20 public:
simon.ford@mbed.co.uk 9:cf0d45ce28a6 21
simon.ford@mbed.co.uk 9:cf0d45ce28a6 22 /* Function: attach
simon.ford@mbed.co.uk 9:cf0d45ce28a6 23 * Attach a function to be called by the Ticker, specifiying the interval in seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 24 *
simon.ford@mbed.co.uk 9:cf0d45ce28a6 25 * Variables:
simon.ford@mbed.co.uk 9:cf0d45ce28a6 26 * fptr - pointer to the function to be called
simon.ford@mbed.co.uk 9:cf0d45ce28a6 27 * t - the time between calls in seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 28 */
simon.ford@mbed.co.uk 9:cf0d45ce28a6 29 void attach(void (*fptr)(void), float t) {
simon.ford@mbed.co.uk 9:cf0d45ce28a6 30 attach_us(fptr, t * 1000000.0f);
simon.ford@mbed.co.uk 9:cf0d45ce28a6 31 }
simon.ford@mbed.co.uk 9:cf0d45ce28a6 32
simon.ford@mbed.co.uk 9:cf0d45ce28a6 33 /* Function: attach
simon.ford@mbed.co.uk 9:cf0d45ce28a6 34 * Attach a member function to be called by the Ticker, specifiying the interval in seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 35 *
simon.ford@mbed.co.uk 9:cf0d45ce28a6 36 * Variables:
simon.ford@mbed.co.uk 9:cf0d45ce28a6 37 * tptr - pointer to the object to call the member function on
simon.ford@mbed.co.uk 9:cf0d45ce28a6 38 * mptr - pointer to the member function to be called
simon.ford@mbed.co.uk 9:cf0d45ce28a6 39 * t - the time between calls in seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 40 */
simon.ford@mbed.co.uk 9:cf0d45ce28a6 41 template<typename T>
simon.ford@mbed.co.uk 9:cf0d45ce28a6 42 void attach(T* tptr, void (T::*mptr)(void), float t) {
simon.ford@mbed.co.uk 9:cf0d45ce28a6 43 attach_us(tptr, mptr, t * 1000000.0f);
simon.ford@mbed.co.uk 9:cf0d45ce28a6 44 }
simon.ford@mbed.co.uk 9:cf0d45ce28a6 45
simon.ford@mbed.co.uk 9:cf0d45ce28a6 46 /* Function: attach_us
simon.ford@mbed.co.uk 9:cf0d45ce28a6 47 * Attach a function to be called by the Ticker, specifiying the interval in micro-seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 48 *
simon.ford@mbed.co.uk 9:cf0d45ce28a6 49 * Variables:
simon.ford@mbed.co.uk 9:cf0d45ce28a6 50 * fptr - pointer to the function to be called
simon.ford@mbed.co.uk 9:cf0d45ce28a6 51 * t - the time between calls in micro-seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 52 */
simon.ford@mbed.co.uk 9:cf0d45ce28a6 53 void attach_us(void (*fptr)(void), unsigned int t) {
simon.ford@mbed.co.uk 9:cf0d45ce28a6 54 _function.attach(fptr);
simon.ford@mbed.co.uk 9:cf0d45ce28a6 55 setup(t);
simon.ford@mbed.co.uk 9:cf0d45ce28a6 56 }
simon.ford@mbed.co.uk 9:cf0d45ce28a6 57
simon.ford@mbed.co.uk 9:cf0d45ce28a6 58 /* Function: attach_us
simon.ford@mbed.co.uk 9:cf0d45ce28a6 59 * Attach a member function to be called by the Ticker, specifiying the interval in micro-seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 60 *
simon.ford@mbed.co.uk 9:cf0d45ce28a6 61 * Variables:
simon.ford@mbed.co.uk 9:cf0d45ce28a6 62 * tptr - pointer to the object to call the member function on
simon.ford@mbed.co.uk 9:cf0d45ce28a6 63 * mptr - pointer to the member function to be called
simon.ford@mbed.co.uk 9:cf0d45ce28a6 64 * t - the time between calls in micro-seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 65 */
simon.ford@mbed.co.uk 9:cf0d45ce28a6 66 template<typename T>
simon.ford@mbed.co.uk 9:cf0d45ce28a6 67 void attach_us(T* tptr, void (T::*mptr)(void), unsigned int t) {
simon.ford@mbed.co.uk 9:cf0d45ce28a6 68 _function.attach(tptr, mptr);
simon.ford@mbed.co.uk 9:cf0d45ce28a6 69 setup(t);
simon.ford@mbed.co.uk 9:cf0d45ce28a6 70 }
simon.ford@mbed.co.uk 9:cf0d45ce28a6 71
simon.ford@mbed.co.uk 9:cf0d45ce28a6 72 /* Function: detach
simon.ford@mbed.co.uk 9:cf0d45ce28a6 73 * Detach the function
simon.ford@mbed.co.uk 9:cf0d45ce28a6 74 */
simon.ford@mbed.co.uk 9:cf0d45ce28a6 75 void detach();
simon.ford@mbed.co.uk 9:cf0d45ce28a6 76
simon.ford@mbed.co.uk 9:cf0d45ce28a6 77 protected:
simon.ford@mbed.co.uk 9:cf0d45ce28a6 78
simon.ford@mbed.co.uk 9:cf0d45ce28a6 79 void setup(unsigned int t);
simon.ford@mbed.co.uk 9:cf0d45ce28a6 80 virtual void handler();
simon.ford@mbed.co.uk 9:cf0d45ce28a6 81
simon.ford@mbed.co.uk 9:cf0d45ce28a6 82 unsigned int _delay;
simon.ford@mbed.co.uk 9:cf0d45ce28a6 83 FunctionPointer _function;
simon.ford@mbed.co.uk 9:cf0d45ce28a6 84
simon.ford@mbed.co.uk 9:cf0d45ce28a6 85 };
simon.ford@mbed.co.uk 9:cf0d45ce28a6 86
simon.ford@mbed.co.uk 9:cf0d45ce28a6 87 }
simon.ford@mbed.co.uk 9:cf0d45ce28a6 88
simon.ford@mbed.co.uk 9:cf0d45ce28a6 89 #endif