включил IWDG

Core/Inc/stm32f4xx_hal_conf.h

@@ -55,7 +55,7 @@
 /* #define HAL_HASH_MODULE_ENABLED */
 /* #define HAL_I2C_MODULE_ENABLED */
 /* #define HAL_I2S_MODULE_ENABLED */
-/* #define HAL_IWDG_MODULE_ENABLED */
+#define HAL_IWDG_MODULE_ENABLED
 /* #define HAL_LTDC_MODULE_ENABLED */
 /* #define HAL_RNG_MODULE_ENABLED */
 /* #define HAL_RTC_MODULE_ENABLED */

Core/Src/main.c

@@ -41,6 +41,8 @@
 /* USER CODE END PM */
 
 /* Private variables ---------------------------------------------------------*/
+IWDG_HandleTypeDef hiwdg;
+
 TIM_HandleTypeDef htim2;
 TIM_HandleTypeDef htim5;
 TIM_HandleTypeDef htim11;
@@ -58,6 +60,7 @@ static void MX_DMA_Init(void);
 static void MX_TIM2_Init(void);
 static void MX_TIM5_Init(void);
 static void MX_TIM11_Init(void);
+static void MX_IWDG_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -100,6 +103,7 @@ int main(void)
   MX_TIM5_Init();
   MX_USB_DEVICE_Init();
   MX_TIM11_Init();
+  MX_IWDG_Init();
   /* USER CODE BEGIN 2 */
 
   /* USER CODE END 2 */
@@ -138,8 +142,9 @@ void SystemClock_Config(void)
   /** Initializes the RCC Oscillators according to the specified parameters
   * in the RCC_OscInitTypeDef structure.
   */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_HSE;
   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+  RCC_OscInitStruct.LSIState = RCC_LSI_ON;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
   RCC_OscInitStruct.PLL.PLLM = 25;
@@ -170,6 +175,34 @@ void SystemClock_Config(void)
   HAL_RCC_EnableCSS();
 }
 
+/**
+  * @brief IWDG Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_IWDG_Init(void)
+{
+
+  /* USER CODE BEGIN IWDG_Init 0 */
+
+  /* USER CODE END IWDG_Init 0 */
+
+  /* USER CODE BEGIN IWDG_Init 1 */
+
+  /* USER CODE END IWDG_Init 1 */
+  hiwdg.Instance = IWDG;
+  hiwdg.Init.Prescaler = IWDG_PRESCALER_128;
+  hiwdg.Init.Reload = 4095;
+  if (HAL_IWDG_Init(&hiwdg) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN IWDG_Init 2 */
+
+  /* USER CODE END IWDG_Init 2 */
+
+}
+
 /**
   * @brief TIM2 Initialization Function
   * @param None