66 lines
837 B
C++
66 lines
837 B
C++
/*
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* Timer.cpp
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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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#include <Timer.h>
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extern "C"
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{
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void
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SysTick_Handler (void)
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{
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if (timer > 0)
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timer--;
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}
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}
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Timer::Timer (uint32_t freq) : freq (freq)
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{
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Chip_Clock_SetSysTickClockDiv (1);
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uint32_t sysTickRate = Chip_Clock_GetSysTickClockRate ();
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SysTick_Config (sysTickRate / freq);
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counter = 0;
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timer = 0;
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}
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Timer::~Timer ()
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{
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// TODO Auto-generated destructor stub
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}
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void
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Timer::tickCounter (int ms)
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{
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if (counter >= INT_MAX)
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{
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counter = 0;
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}
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counter++;
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Sleep (ms);
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}
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void
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Timer::Sleep (int ms)
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{
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timer = ms;
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while (timer > 0)
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{
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__WFI ();
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}
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}
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int
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Timer::getCounter ()
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{
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return counter.load (std::memory_order_relaxed);
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}
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void
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Timer::resetCounter ()
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{
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counter.store (0, std::memory_order_relaxed);
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}
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