52c4ebb003
Timer class consists of systack_handler functionality with an internal timer for global counter in main()
76 lines
1.2 KiB
C++
76 lines
1.2 KiB
C++
/*
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* Timer.h
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*
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* Created on: Oct 14, 2022
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* Author: tylen
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*/
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#ifndef TIMER_H_
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#define TIMER_H_
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#include "board.h"
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#include <atomic>
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#include <climits>
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extern "C"
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{
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/**
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* @brief Handle interrupt from SysTick timer
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* @return Nothing
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*/
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void SysTick_Handler (void);
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}
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class Timer
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{
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public:
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/**
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* @brief Initalize the systick configuration with your frequency
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*
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*/
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Timer (uint32_t freq = 1000);
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virtual ~Timer ();
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/**
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* @brief Tick the counter.
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*
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* Counter is incremented by one every tick,
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* if it gets over the INT_MAX (see limits.h),
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* the counter rolls up back to zero and starts
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* over.
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*
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*
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* @param ms Counter ticking frequency is provided in milliseconds
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*/
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void tickCounter (int ms);
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/**
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* @brief Get the current counter value
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*
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* @return int counter value
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*/
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int getCounter ();
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/**
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* @brief Set counter to 0.
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*
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*/
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void resetCounter ();
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/**
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* @brief Sleep for amount of time
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*
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* Time is either in ms or in sec, defined
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* by systickInit_xx()
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*
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* @param ms milliseconds
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*/
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void Sleep (int ms);
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private:
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volatile std::atomic_int counter;
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volatile std::atomic_int timer;
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};
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#endif /* TIMER_H_ */
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