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/*
* SoftTimer.h
*
* Created on: 21 Jul 2017
* Author: David
*/
#ifndef SRC_SOFTTIMER_H_
#define SRC_SOFTTIMER_H_
#include "RepRapFirmware.h"
// Class to implement a software timer
class SoftTimer
{
public:
typedef bool (*Callback)(void*, uint32_t&);
typedef uint32_t Ticks;
SoftTimer();
// Schedule a callback at a particular tick count, returning true if it was not scheduled because it is already due or imminent
bool ScheduleCallback(Ticks when, Callback cb, void* param);
// Cancel any scheduled callbacks
void CancelCallback();
// Get the current tick count
static Ticks GetTimerTicksNow();
// Get the tick rate
static Ticks GetTickRate();
// ISR called from Platform. May sometimes get called prematurely.
static void Interrupt();
private:
SoftTimer *next;
Ticks whenDue;
Callback callback;
void *cbParam;
static SoftTimer * volatile pendingList; // list of pending callbacks, soonest first
};
#endif /* SRC_SOFTTIMER_H_ */
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