Final changes

Core/Include/Timer/Reg/SHAL_TIM_CALLBACK.h

@@ -14,7 +14,7 @@ extern "C" void irq_handler(void) {                       \
         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

Core/Src/main.cpp

@@ -24,7 +24,7 @@ int main() {
     timer2.start();
 
 
-    RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN; // Enable SYSCFG clock (needed for EXTI)
+    RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN; //Enable SYSCFG clock (needed for EXTI)
 
     GPIOA->MODER &= ~(0b11 << (4 * 2));
     GPIOA->MODER |= (0b1 << (4 * 2));