Matthew Sims
Lab 1 Program C
Fork of mbed by
TimerEvent.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?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 1 | /* mbed Microcontroller Library - TimerEvent |
| 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_TIMEREVENT_H |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 6 | #define MBED_TIMEREVENT_H |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 7 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 8 | namespace mbed { |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 9 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 10 | // Base abstraction for timer interrupts |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 11 | class TimerEvent { |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 12 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 13 | public: |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 14 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 15 | // The handler registered with the underlying timer interrupt |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 16 | static void irq(); |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 17 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 18 | // Destruction removes it... |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 19 | virtual ~TimerEvent(); |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 20 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 21 | protected: |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 22 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 23 | // The handler called to service the timer event of the derived class |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 24 | virtual void handler() = 0; |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 25 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 26 | // insert in to linked list |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 27 | void insert(unsigned int timestamp); |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 28 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 29 | // remove from linked list, if in it |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 30 | void remove(); |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 31 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 32 | // Get the current usec timestamp |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 33 | static unsigned int timestamp(); |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 34 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 35 | static TimerEvent *_head; // The head of the list of the events, NULL if none |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 36 | TimerEvent *_next; // Pointer to the next in the list, NULL if last |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 37 | unsigned int _timestamp; // The timestamp at which the even should be triggered |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 38 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 39 | }; |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 40 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 41 | } |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 42 | |
| simon.ford@mbed.co.uk | 9:cf0d45ce28a6 | 43 | #endif |