Start timer abstractions

This commit is contained in:
2025-08-28 02:47:52 -07:00
parent ed8db95818
commit 8979e1b28a
4 changed files with 130 additions and 7 deletions

View File

@@ -1,12 +1,69 @@
#ifndef SHAL_TIM_REG
#define SHAL_TIM_REG
#ifndef SHAL_TIM_REG_H
#define SHAL_TIM_REG_H
#include <cstdint>
#include <stm32f072xb.h>
#include "stm32f0xx.h" // Or your device header
enum class S_TIM{ //Sample
S_TIM_1 = 0xFFA0,
S_TIM_2 = 0xFF,
enum class Bus {
AHB,
APB1,
APB2
};
struct RCC_Peripheral {
Bus bus;
volatile uint32_t* reg;
uint32_t bitmask;
};
enum class Timer_Key { //For STM32F072
S_TIM1,
S_TIM2,
S_TIM3,
S_TIM14,
S_TIM15,
S_TIM16,
S_TIM17
};
//Get timer peripheral struct including bus register, enable mask, timer mask
constexpr RCC_Peripheral getTimerRCC(Timer_Key t) {
switch(t) {
case Timer_Key::S_TIM1: return {Bus::APB2, &RCC->APB2ENR, RCC_APB2ENR_TIM1EN};
case Timer_Key::S_TIM2: return {Bus::APB1, &RCC->APB1ENR, RCC_APB1ENR_TIM2EN};
case Timer_Key::S_TIM3: return {Bus::APB1, &RCC->APB1ENR, RCC_APB1ENR_TIM3EN};
case Timer_Key::S_TIM14: return {Bus::APB1, &RCC->APB1ENR, RCC_APB1ENR_TIM14EN};
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};
}
}
//Get actual register value based on enum
constexpr volatile TIM_TypeDef* getTimerRegister(Timer_Key t) {
switch(t) {
case Timer_Key::S_TIM1: return TIM1;
case Timer_Key::S_TIM2: return TIM2;
case Timer_Key::S_TIM3: return TIM3;
case Timer_Key::S_TIM14: return TIM14;
case Timer_Key::S_TIM15: return TIM15;
case Timer_Key::S_TIM16: return TIM16;
case Timer_Key::S_TIM17: return TIM17;
}
}
constexpr IRQn_Type getIRQn(Timer_Key t) {
switch(t) {
case Timer_Key::S_TIM1: return TIM1_BRK_UP_TRG_COM_IRQn;
case Timer_Key::S_TIM2: return TIM2_IRQn;
case Timer_Key::S_TIM3: return TIM3_IRQn;
case Timer_Key::S_TIM14: return TIM14_IRQn;
case Timer_Key::S_TIM15: return TIM15_IRQn;
case Timer_Key::S_TIM16: return TIM16_IRQn;
case Timer_Key::S_TIM17: return TIM17_IRQn;
}
}
#endif