Merge pull request #128 from logxen/edge

[clinton/Smoothieware.git] / gcc4mbed / external / mbed / TimerEvent.h

/* mbed Microcontroller Library - TimerEvent\r
 * Copyright (c) 2007-2009 ARM Limited. All rights reserved.\r
 */ \r
 \r
#ifndef MBED_TIMEREVENT_H\r
#define MBED_TIMEREVENT_H\r
\r
namespace mbed {\r
\r
// Base abstraction for timer interrupts\r
class TimerEvent {\r
\r
public:\r
\r
    TimerEvent();\r
    \r
    // The handler registered with the underlying timer interrupt\r
    static void irq();\r
\r
    // Destruction removes it...    \r
    virtual ~TimerEvent();\r
\r
protected:\r
\r
    // The handler called to service the timer event of the derived class\r
    virtual void handler() = 0;\r
    \r
    // insert in to linked list\r
    void insert(unsigned int timestamp);\r
    \r
    // remove from linked list, if in it\r
    void remove();\r
    \r
    // Get the current usec timestamp\r
    static unsigned int timestamp();\r
\r
    static TimerEvent *_head;   // The head of the list of the events, NULL if none\r
    TimerEvent *_next;          // Pointer to the next in the list, NULL if last\r
    unsigned int _timestamp;    // The timestamp at which the even should be triggered\r
\r
};\r
\r
} // namespace mbed\r
\r
#endif\r