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Finished Timer IRQ abstraction

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This commit is contained in:
Luca Lizaranzu
2025-08-28 20:56:51 -07:00
parent 55ca8d5360
commit 1e966f0688
6 changed files with 46 additions and 34 deletions
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14
Core/Include/Reg/SHAL_TIM_CALLBACK.h
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@@ -2,25 +2,25 @@
// Created by Luca on 8/28/2025.
//
#ifndef SHMINGO_HAL_SHAL_TIMER_CALLBACK_H
#define SHMINGO_HAL_SHAL_TIMER_CALLBACK_H
#ifndef SHMINGO_HAL_SHAL_TIM_CALLBACK_H
#define SHMINGO_HAL_SHAL_TIM_CALLBACK_H
#include "SHAL_TIM_REG.h"
#define DEFINE_TIMER_IRQ(key, irq_handler) \
extern "C" void irq_handler(void) { \
auto tim_reg = getTimerRegister(key) \
auto tim_reg = getTimerRegister(key); \
if (tim_reg->SR & TIM_SR_UIF) { \
tim_reg->SR &= ~TIM_SR_UIF; /* clear flag */ \
auto cb = timer_callbacks[static_cast<int>(key)]; \
if (cb) cb(); \
} \
}
}; \
};
typedef void (*TimerCallback)(); //Typedef for callback function
static TimerCallback timer_callbacks[static_cast<int>(Timer_Key::NUM_TIMERS)] = {nullptr}; //Timer IRQ Callback table
[[maybe_unused]] static TimerCallback timer_callbacks[static_cast<int>(Timer_Key::NUM_TIMERS)] = {nullptr}; //Timer IRQ Callback table
void registerTimerCallback(Timer_Key key, TimerCallback callback);
#endif //SHMINGO_HAL_SHAL_TIMER_CALLBACK_H
#endif //SHMINGO_HAL_SHAL_TIM_CALLBACK_H

10
Core/Include/Reg/SHAL_TIM_REG.h
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@@ -7,7 +7,8 @@
enum class Bus {
AHB,
APB1,
APB2
APB2,
INVALID
};
struct RCC_Peripheral {
@@ -23,9 +24,11 @@ enum class Timer_Key { //For STM32F072
S_TIM14,
S_TIM15,
S_TIM16,
S_TIM17
S_TIM17,
NUM_TIMERS
};
//Get timer peripheral struct including bus register, enable mask, timer mask
constexpr RCC_Peripheral getTimerRCC(Timer_Key t) {
switch(t) {
@@ -36,6 +39,7 @@ constexpr RCC_Peripheral getTimerRCC(Timer_Key t) {
case Timer_Key::S_TIM15: return {Bus::APB2, &RCC->APB2ENR, RCC_APB2ENR_TIM15EN};
case Timer_Key::S_TIM16: return {Bus::APB2, &RCC->APB2ENR, RCC_APB2ENR_TIM16EN};
case Timer_Key::S_TIM17: return {Bus::APB2, &RCC->APB2ENR, RCC_APB2ENR_TIM17EN};
case Timer_Key::NUM_TIMERS: return {Bus::INVALID, nullptr, 0};;
}
return {Bus::APB2, &RCC->APB2ENR, RCC_APB2ENR_TIM1EN};
@@ -51,6 +55,7 @@ constexpr volatile TIM_TypeDef* getTimerRegister(Timer_Key t) {
case Timer_Key::S_TIM15: return TIM15;
case Timer_Key::S_TIM16: return TIM16;
case Timer_Key::S_TIM17: return TIM17;
case Timer_Key::NUM_TIMERS: return nullptr;
}
return TIM1;
}
@@ -64,6 +69,7 @@ constexpr IRQn_Type getIRQn(Timer_Key t) {
case Timer_Key::S_TIM15: return TIM15_IRQn;
case Timer_Key::S_TIM16: return TIM16_IRQn;
case Timer_Key::S_TIM17: return TIM17_IRQn;
case Timer_Key::NUM_TIMERS: return TIM1_BRK_UP_TRG_COM_IRQn;
}
return TIM1_BRK_UP_TRG_COM_IRQn;
}

11
Core/Include/SHAL_TIM.h
View File

@@ -2,8 +2,7 @@
#define SHAL_TIM_H
#include "SHAL_TIM_REG.h"
#include "SHAL_TIM_CALLBACK.h"
class Timer {
public:
@@ -16,12 +15,20 @@ public:
//Stops the counter
void stop();
//Set prescaler value
void setPrescaler(uint16_t presc);
//Set auto reload register
void setARR(uint16_t arr);
//Enable interrupts
void enableInterrupt();
//Set timer IRQ callback function
void setCallbackFunc(TimerCallback callback){
registerTimerCallback(timer, callback);
}
private:
Timer_Key timer;