Jing Qiu / mbed

nothing changed

Fork of mbed by gokmen ascioglu

TimerEvent.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 - TimerEvent
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_TIMEREVENT_H
gokmenascioglu 0:a8fa94490a0a 6 #define MBED_TIMEREVENT_H
gokmenascioglu 0:a8fa94490a0a 7
gokmenascioglu 0:a8fa94490a0a 8 namespace mbed {
gokmenascioglu 0:a8fa94490a0a 9
gokmenascioglu 0:a8fa94490a0a 10 // Base abstraction for timer interrupts
gokmenascioglu 0:a8fa94490a0a 11 class TimerEvent {
gokmenascioglu 0:a8fa94490a0a 12
gokmenascioglu 0:a8fa94490a0a 13 public:
gokmenascioglu 0:a8fa94490a0a 14
gokmenascioglu 0:a8fa94490a0a 15 TimerEvent();
gokmenascioglu 0:a8fa94490a0a 16
gokmenascioglu 0:a8fa94490a0a 17 // The handler registered with the underlying timer interrupt
gokmenascioglu 0:a8fa94490a0a 18 static void irq();
gokmenascioglu 0:a8fa94490a0a 19
gokmenascioglu 0:a8fa94490a0a 20 // Destruction removes it...
gokmenascioglu 0:a8fa94490a0a 21 virtual ~TimerEvent();
gokmenascioglu 0:a8fa94490a0a 22
gokmenascioglu 0:a8fa94490a0a 23 protected:
gokmenascioglu 0:a8fa94490a0a 24
gokmenascioglu 0:a8fa94490a0a 25 // The handler called to service the timer event of the derived class
gokmenascioglu 0:a8fa94490a0a 26 virtual void handler() = 0;
gokmenascioglu 0:a8fa94490a0a 27
gokmenascioglu 0:a8fa94490a0a 28 // insert in to linked list
gokmenascioglu 0:a8fa94490a0a 29 void insert(unsigned int timestamp);
gokmenascioglu 0:a8fa94490a0a 30
gokmenascioglu 0:a8fa94490a0a 31 // remove from linked list, if in it
gokmenascioglu 0:a8fa94490a0a 32 void remove();
gokmenascioglu 0:a8fa94490a0a 33
gokmenascioglu 0:a8fa94490a0a 34 // Get the current usec timestamp
gokmenascioglu 0:a8fa94490a0a 35 static unsigned int timestamp();
gokmenascioglu 0:a8fa94490a0a 36
gokmenascioglu 0:a8fa94490a0a 37 static TimerEvent *_head; // The head of the list of the events, NULL if none
gokmenascioglu 0:a8fa94490a0a 38 TimerEvent *_next; // Pointer to the next in the list, NULL if last
gokmenascioglu 0:a8fa94490a0a 39 unsigned int _timestamp; // The timestamp at which the even should be triggered
gokmenascioglu 0:a8fa94490a0a 40
gokmenascioglu 0:a8fa94490a0a 41 };
gokmenascioglu 0:a8fa94490a0a 42
gokmenascioglu 0:a8fa94490a0a 43 } // namespace mbed
gokmenascioglu 0:a8fa94490a0a 44
gokmenascioglu 0:a8fa94490a0a 45 #endif