diff --git a/src/system/interrupts.c b/src/system/interrupts.c
--- a/src/system/interrupts.c
+++ b/src/system/interrupts.c
@@ -13,76 +13,76 @@
 // Systick interrupt
 void SysTick_Handler(void)
 {
-  HAL_IncTick();
-  HAL_SYSTICK_IRQHandler();
+    HAL_IncTick();
+    HAL_SYSTICK_IRQHandler();
 }
 
 void EXTI9_5_IRQHandler(void)
 {
-  HAL_GPIO_EXTI_IRQHandler(SW_B_Pin);
-  HAL_GPIO_EXTI_IRQHandler(SW_A_Pin);
-  HAL_GPIO_EXTI_IRQHandler(SW_C_Pin);
+    HAL_GPIO_EXTI_IRQHandler(SW_B_Pin);
+    HAL_GPIO_EXTI_IRQHandler(SW_A_Pin);
+    HAL_GPIO_EXTI_IRQHandler(SW_C_Pin);
 }
 
 void EXTI15_10_IRQHandler(void)
 {
-  HAL_GPIO_EXTI_IRQHandler(SW_BTN_Pin);
+    HAL_GPIO_EXTI_IRQHandler(SW_BTN_Pin);
 }
 
 uint32_t last_button_press = 0;
 
 void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
 {
-	switch(GPIO_Pin)
-	{
-		case SW_BTN_Pin:
-		{
-//			if(HAL_GetTick() > last_button_press + 100)
-//			{
-//				HAL_GPIO_TogglePin(LED_RED);
-//				HAL_GPIO_TogglePin(GATE_DRIVE);
-//				last_button_press = HAL_GetTick();
-//			}
-		} break;
-	}
+    switch(GPIO_Pin)
+    {
+        case SW_BTN_Pin:
+        {
+            //			if(HAL_GetTick() > last_button_press + 100)
+            //			{
+            //				HAL_GPIO_TogglePin(LED_RED);
+            //				HAL_GPIO_TogglePin(GATE_DRIVE);
+            //				last_button_press = HAL_GetTick();
+            //			}
+        } break;
+    }
 }
 
 void TIM1_TRG_COM_TIM17_IRQHandler(void)
 {
-  /* USER CODE BEGIN TIM1_TRG_COM_TIM17_IRQn 0 */
+    /* USER CODE BEGIN TIM1_TRG_COM_TIM17_IRQn 0 */
 
-  /* USER CODE END TIM1_TRG_COM_TIM17_IRQn 0 */
+    /* USER CODE END TIM1_TRG_COM_TIM17_IRQn 0 */
 
-  HAL_TIM_IRQHandler(pwmout_get_tim());
-  /* USER CODE BEGIN TIM1_TRG_COM_TIM17_IRQn 1 */
+    HAL_TIM_IRQHandler(pwmout_get_tim());
+    /* USER CODE BEGIN TIM1_TRG_COM_TIM17_IRQn 1 */
 
-  /* USER CODE END TIM1_TRG_COM_TIM17_IRQn 1 */
+    /* USER CODE END TIM1_TRG_COM_TIM17_IRQn 1 */
 }
 
 
 void HAL_TIM_PWM_PulseFinishedCallback(TIM_HandleTypeDef *htim)
 {
-	if(htim == pwmout_get_tim())
-	{
-		HAL_GPIO_WritePin(SSR, 0);
-		HAL_GPIO_WritePin(LED, 0);
-	}
+    if(htim == pwmout_get_tim())
+    {
+        HAL_GPIO_WritePin(SSR, 0);
+        HAL_GPIO_WritePin(LED, 0);
+    }
 }
 
 void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
 {
-	if(htim == pwmout_get_tim())
-	{
-		if(htim->Instance->CCR1 == 0)
-		{
-			HAL_GPIO_WritePin(LED, 0);
-			HAL_GPIO_WritePin(SSR, 0);
-		}
-		else
-		{
-			HAL_GPIO_WritePin(LED, 1);
-			HAL_GPIO_WritePin(SSR, 1);
-		}
-	}
+    if(htim == pwmout_get_tim())
+    {
+        if(htim->Instance->CCR1 == 0)
+        {
+            HAL_GPIO_WritePin(LED, 0);
+            HAL_GPIO_WritePin(SSR, 0);
+        }
+        else
+        {
+            HAL_GPIO_WritePin(LED, 1);
+            HAL_GPIO_WritePin(SSR, 1);
+        }
+    }
 }