71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
//
|
|
// Created by Luca on 8/28/2025.
|
|
//
|
|
|
|
#include "SHAL_TIM.h"
|
|
#include <cassert>
|
|
|
|
Timer::Timer(Timer_Key key) : m_key(key){
|
|
|
|
}
|
|
|
|
Timer::Timer() : m_key(Timer_Key::S_TIM_INVALID){
|
|
|
|
}
|
|
|
|
void Timer::start() {
|
|
|
|
auto control_reg = getTimerControlRegister1(m_key);
|
|
auto event_generation_reg = getTimerEventGenerationRegister(m_key);
|
|
|
|
SHAL_apply_bitmask(control_reg.reg, control_reg.counter_enable_mask); //Enable counter
|
|
SHAL_apply_bitmask(event_generation_reg.reg, event_generation_reg.update_generation_mask);
|
|
|
|
enableInterrupt();
|
|
}
|
|
|
|
void Timer::stop() {
|
|
auto control_reg = getTimerControlRegister1(m_key);
|
|
SHAL_clear_bitmask(control_reg.reg, control_reg.counter_enable_mask); //Enable counter
|
|
}
|
|
|
|
void Timer::setPrescaler(uint16_t presc) {
|
|
auto prescaler_reg = getTimerPrescalerRegister(m_key);
|
|
SHAL_set_register_value(prescaler_reg.reg,presc);
|
|
}
|
|
|
|
void Timer::setARR(uint16_t arr) {
|
|
auto autoreload_reg = getTimerAutoReloadRegister(m_key);
|
|
SHAL_set_register_value(autoreload_reg.reg,arr);
|
|
}
|
|
|
|
void Timer::enableInterrupt() {
|
|
auto dma_ier = getTimerDMAInterruptEnableRegister(m_key);
|
|
SHAL_apply_bitmask(dma_ier.reg,dma_ier.update_interrupt_enable_mask);
|
|
|
|
NVIC_EnableIRQ(getTimerIRQn(m_key)); //Enable the IRQn in the NVIC
|
|
}
|
|
|
|
void Timer::init(uint32_t prescaler, uint32_t autoReload) {
|
|
SHAL_TIM_RCC_Register rcc = getTimerRCC(m_key);
|
|
SHAL_apply_bitmask(rcc.reg,rcc.enable_mask);
|
|
|
|
setPrescaler(prescaler);
|
|
setARR(autoReload);
|
|
}
|
|
|
|
|
|
Timer &TimerManager::get(Timer_Key timer_key) {
|
|
|
|
//Ensure that we don't try to get invalid timers
|
|
assert(timer_key != Timer_Key::S_TIM_INVALID && timer_key != Timer_Key::NUM_TIMERS);
|
|
|
|
Timer& selected = timers[static_cast<int>(timer_key)];
|
|
|
|
//Timer queried is not initialized yet (defaults to invalid)
|
|
if(selected.m_key == Timer_Key::S_TIM_INVALID){
|
|
timers[static_cast<int>(timer_key)] = Timer(timer_key); //Initialize TIMER_KEY
|
|
}
|
|
|
|
return timers[static_cast<int>(timer_key)];
|
|
} |