kopia lustrzana https://github.com/SP8EBC/ParaTNC
50 wiersze
912 B
C++
50 wiersze
912 B
C++
//
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// This file is part of the GNU ARM Eclipse distribution.
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// Copyright (c) 2014 Liviu Ionescu.
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//
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#ifndef TIMER_H_
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#define TIMER_H_
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#include "cmsis_device.h"
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// ----------------------------------------------------------------------------
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class Timer
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{
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public:
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typedef uint32_t ticks_t;
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static constexpr ticks_t FREQUENCY_HZ = 1000u;
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private:
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static volatile ticks_t ms_delayCount;
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public:
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// Default constructor
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Timer() = default;
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inline void
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start(void)
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{
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// Use SysTick as reference for the delay loops.
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SysTick_Config(SystemCoreClock / FREQUENCY_HZ);
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}
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static void
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sleep(ticks_t ticks);
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inline static void
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tick(void)
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{
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// Decrement to zero the counter used by the delay routine.
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if (ms_delayCount != 0u)
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{
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--ms_delayCount;
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}
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}
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};
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// ----------------------------------------------------------------------------
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#endif // TIMER_H_
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