55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
//
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// Created by Luca on 8/28/2025.
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//
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#include "Core/Include/Timer/SHAL_TIM.h"
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#include <cassert>
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Timer::Timer(Timer_Key t) : timer(t), timer_reg(getTimerRegister(t)){
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RCC_Peripheral rcc = getTimerRCC(timer);
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*rcc.reg |= rcc.bitmask;
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}
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Timer::Timer() : timer(Timer_Key::S_TIM_INVALID), timer_reg(nullptr){
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}
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void Timer::start() {
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timer_reg->CR1 |= TIM_CR1_CEN;
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timer_reg->EGR |= TIM_EGR_UG; //load prescaler reg and ARR
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enableInterrupt();
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}
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void Timer::stop() {
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timer_reg->CR1 &= ~TIM_CR1_CEN;
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}
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void Timer::setPrescaler(uint16_t presc) {
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timer_reg->PSC = presc;
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}
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void Timer::setARR(uint16_t arr) {
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timer_reg->ARR = arr;
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}
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void Timer::enableInterrupt() {
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timer_reg->DIER |= TIM_DIER_UIE;
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NVIC_EnableIRQ(getIRQn(timer));
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}
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Timer &TimerManager::get(Timer_Key timer_key) {
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//Ensure that we don't try to get invalid timers
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assert(timer_key != Timer_Key::S_TIM_INVALID && timer_key != Timer_Key::NUM_TIMERS);
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Timer& selected = timers[static_cast<int>(timer_key)];
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//Timer queried is not initialized yet (defaults to invalid)
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if(selected.timer == Timer_Key::S_TIM_INVALID){
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timers[static_cast<int>(timer_key)] = Timer(timer_key); //Initialize timer
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}
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return timers[static_cast<int>(timer_key)];
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}
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