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TimerEvent.h@3:aefd12a1f1c5, 2008-11-14 (annotated)
- Committer:
- simon.ford@mbed.co.uk
- Date:
- Fri Nov 14 15:25:20 2008 +0000
- Revision:
- 3:aefd12a1f1c5
- Child:
- 4:5d1359a283bc
Added Ticker and Timeout abstractions
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 1 | /* mbed Microcontroller Library - TimerEvent |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 2 | * Copyright (c) 2007-2008, sford |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 3 | */ |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 4 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 5 | #ifndef MBED_TIMEREVENT_H |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 6 | #define MBED_TIMEREVENT_H |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 7 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 8 | namespace mbed { |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 9 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 10 | // Base abstraction for timer interrupts |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 11 | class TimerEvent { |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 12 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 13 | public: |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 14 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 15 | // The handler registered with the underlying timer interrupt |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 16 | static void irq(); |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 17 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 18 | // Destruction removes it... |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 19 | virtual ~TimerEvent(); |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 20 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 21 | protected: |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 22 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 23 | // The handler called to service the timer event of the derived class |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 24 | virtual void handler() = 0; |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 25 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 26 | // insert in to linked list |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 27 | void insert(unsigned int timestamp); |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 28 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 29 | // remove from linked list, if in it |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 30 | void remove(); |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 31 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 32 | // Get the current usec timestamp |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 33 | static unsigned int timestamp(); |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 34 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 35 | static TimerEvent *_head; // The head of the list of the events, NULL if none |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 36 | TimerEvent *_next; // Pointer to the next in the list, NULL if last |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 37 | unsigned int _timestamp; // The timestamp at which the even should be triggered |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 38 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 39 | }; |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 40 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 41 | } |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 42 | |
| simon.ford@mbed.co.uk | 3:aefd12a1f1c5 | 43 | #endif |