Erik van de Coevering / quadV3

This is my quadcopter prototype software, still in development!

quadv3/mbed/TimerEvent.h@0:978110f7f027, 2013-01-30 (annotated)

Committer:
Anaesthetix
Date:
Wed Jan 30 13:14:44 2013 +0000
Revision:
0:978110f7f027
My quadcopter prototype software, still in development.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Anaesthetix 0:978110f7f027 1 /* mbed Microcontroller Library - TimerEvent
Anaesthetix 0:978110f7f027 2 * Copyright (c) 2007-2009 ARM Limited. All rights reserved.
Anaesthetix 0:978110f7f027 3 */
Anaesthetix 0:978110f7f027 4
Anaesthetix 0:978110f7f027 5 #ifndef MBED_TIMEREVENT_H
Anaesthetix 0:978110f7f027 6 #define MBED_TIMEREVENT_H
Anaesthetix 0:978110f7f027 7
Anaesthetix 0:978110f7f027 8 namespace mbed {
Anaesthetix 0:978110f7f027 9
Anaesthetix 0:978110f7f027 10 // Base abstraction for timer interrupts
Anaesthetix 0:978110f7f027 11 class TimerEvent {
Anaesthetix 0:978110f7f027 12
Anaesthetix 0:978110f7f027 13 public:
Anaesthetix 0:978110f7f027 14
Anaesthetix 0:978110f7f027 15 TimerEvent();
Anaesthetix 0:978110f7f027 16
Anaesthetix 0:978110f7f027 17 // The handler registered with the underlying timer interrupt
Anaesthetix 0:978110f7f027 18 static void irq();
Anaesthetix 0:978110f7f027 19
Anaesthetix 0:978110f7f027 20 // Destruction removes it...
Anaesthetix 0:978110f7f027 21 virtual ~TimerEvent();
Anaesthetix 0:978110f7f027 22
Anaesthetix 0:978110f7f027 23 protected:
Anaesthetix 0:978110f7f027 24
Anaesthetix 0:978110f7f027 25 // The handler called to service the timer event of the derived class
Anaesthetix 0:978110f7f027 26 virtual void handler() = 0;
Anaesthetix 0:978110f7f027 27
Anaesthetix 0:978110f7f027 28 // insert in to linked list
Anaesthetix 0:978110f7f027 29 void insert(unsigned int timestamp);
Anaesthetix 0:978110f7f027 30
Anaesthetix 0:978110f7f027 31 // remove from linked list, if in it
Anaesthetix 0:978110f7f027 32 void remove();
Anaesthetix 0:978110f7f027 33
Anaesthetix 0:978110f7f027 34 // Get the current usec timestamp
Anaesthetix 0:978110f7f027 35 static unsigned int timestamp();
Anaesthetix 0:978110f7f027 36
Anaesthetix 0:978110f7f027 37 static TimerEvent *_head; // The head of the list of the events, NULL if none
Anaesthetix 0:978110f7f027 38 TimerEvent *_next; // Pointer to the next in the list, NULL if last
Anaesthetix 0:978110f7f027 39 unsigned int _timestamp; // The timestamp at which the even should be triggered
Anaesthetix 0:978110f7f027 40
Anaesthetix 0:978110f7f027 41 };
Anaesthetix 0:978110f7f027 42
Anaesthetix 0:978110f7f027 43 } // namespace mbed
Anaesthetix 0:978110f7f027 44
Anaesthetix 0:978110f7f027 45 #endif