90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
/**
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******************************************************************************
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* @file SHAL_TIM.h
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* @author Luca Lizaranzu
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* @brief Declarations of TIMER_KEY related objects
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******************************************************************************
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*/
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#ifndef SHAL_TIM_H
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#define SHAL_TIM_H
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#include "SHAL_TIM_REG.h"
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#include "SHAL_TIM_CALLBACK.h"
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#include <array>
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class Timer {
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friend class TimerManager;
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public:
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/// Initializes a timer
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/// \param prescaler The amount of times the base clock has to cycle before the timer adds one to the count
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/// \param autoReload The number of timer counts before the count is reset and IRQ is called
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void init(uint16_t prescaler, uint16_t autoReload);
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/// Simple function to set a timer in basic PWM mode
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/// @param channel Channel to output on
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/// @param prescaler Divider from sysclock
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/// @param autoReload Counter value to reset at
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/// @param captureCompareThreshold PWM trigger value (duty cycle = this / autoReload)
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void configurePWM(SHAL_Timer_Channel channel, uint16_t prescaler, uint16_t autoReload, uint16_t captureCompareThreshold);
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void configureOneshot(SHAL_Timer_Channel channel, uint16_t prescaler, uint16_t autoReload, uint16_t captureCompareThreshold);
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//Starts the counter
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void start();
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//Stops the counter
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void stop();
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//Set prescaler value
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void setPrescaler(uint16_t presc) const;
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//Set auto reload register
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void setARR(uint16_t arr) const;
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//Enable interrupts
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void enableInterrupt();
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//Capture Compare Functions
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void setCaptureCompareValue(SHAL_Timer_Channel channel, uint16_t value);
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void enableChannel(SHAL_Timer_Channel channel, SHAL_Timer_Channel_Main_Output_Mode mainOutputMode, SHAL_Timer_Channel_Complimentary_Output_Mode complimentaryOutputMode);
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void setOutputCompareMode(SHAL_Timer_Channel channel, SHAL_TIM_Output_Compare_Mode outputCompareMode);
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//Set TIMER_KEY IRQ callback function
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void setCallbackFunc(TimerCallback callback) const {
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registerTimerCallback(m_key, callback);
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}
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private:
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explicit Timer(Timer_Key t);
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Timer();
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Timer_Key m_key;
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};
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#define getTimer(timer_key) TimerManager::get(timer_key)
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#define TIM(num) TimerManager::getTimerFromIndex(num)
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//Manages all timers so user does not have to personally initialize
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class TimerManager{
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public:
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static Timer& get(Timer_Key);
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static Timer& getTimerFromIndex(uint8_t index){return timers[index];}
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TimerManager() = delete;
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private:
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inline static Timer timers[static_cast<int>(Timer_Key::NUM_TIMERS)] = {};
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};
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#endif |