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Made timer constructor unaccessable by user

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This commit is contained in:
Luca Lizaranzu
2025-08-28 22:02:08 -07:00
parent 1e966f0688
commit d092ccd362
4 changed files with 60 additions and 12 deletions
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26
Core/Include/Reg/SHAL_TIM_REG.h
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@@ -2,8 +2,10 @@
#define SHAL_TIM_REG_H
#include <cstdint>
#include <cassert>
#include <stm32f072xb.h>
enum class Bus {
AHB,
APB1,
@@ -25,7 +27,8 @@ enum class Timer_Key { //For STM32F072
S_TIM15,
S_TIM16,
S_TIM17,
NUM_TIMERS
NUM_TIMERS,
S_TIM_INVALID
};
@@ -39,10 +42,13 @@ 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};;
case Timer_Key::NUM_TIMERS:
case Timer_Key::S_TIM_INVALID:
assert(false);
return {Bus::INVALID, nullptr, 0};; //Unreachable
}
return {Bus::APB2, &RCC->APB2ENR, RCC_APB2ENR_TIM1EN};
__builtin_unreachable();
}
//Get actual register value based on enum
@@ -55,9 +61,12 @@ 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;
case Timer_Key::NUM_TIMERS:
case Timer_Key::S_TIM_INVALID:
assert(false);
return nullptr; //Unreachable
}
return TIM1;
__builtin_unreachable();
}
constexpr IRQn_Type getIRQn(Timer_Key t) {
@@ -69,9 +78,12 @@ 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;
case Timer_Key::NUM_TIMERS:
case Timer_Key::S_TIM_INVALID:
assert(false);
return TIM1_BRK_UP_TRG_COM_IRQn; //Unreachable
}
return TIM1_BRK_UP_TRG_COM_IRQn;
__builtin_unreachable();
}