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

f411-pulse-recorder.ioc

@@ -27,32 +27,36 @@ Dma.TIM5_CH1.1.Priority=DMA_PRIORITY_LOW
 Dma.TIM5_CH1.1.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,FIFOMode
 File.Version=6
 GPIO.groupedBy=Expand Peripherals
+IWDG.IPParameters=Prescaler
+IWDG.Prescaler=IWDG_PRESCALER_128
 KeepUserPlacement=false
 Mcu.CPN=STM32F411CEU6TR
 Mcu.Family=STM32F4
 Mcu.IP0=DMA
-Mcu.IP1=NVIC
+Mcu.IP1=IWDG
-Mcu.IP2=RCC
+Mcu.IP2=NVIC
-Mcu.IP3=SYS
+Mcu.IP3=RCC
-Mcu.IP4=TIM2
+Mcu.IP4=SYS
-Mcu.IP5=TIM5
+Mcu.IP5=TIM2
-Mcu.IP6=TIM11
+Mcu.IP6=TIM5
-Mcu.IP7=USB_DEVICE
+Mcu.IP7=TIM11
-Mcu.IP8=USB_OTG_FS
+Mcu.IP8=USB_DEVICE
-Mcu.IPNb=9
+Mcu.IP9=USB_OTG_FS
+Mcu.IPNb=10
 Mcu.Name=STM32F411C(C-E)Ux
 Mcu.Package=UFQFPN48
 Mcu.Pin0=PC13-ANTI_TAMP
 Mcu.Pin1=PC14-OSC32_IN
 Mcu.Pin10=PA14
-Mcu.Pin11=VP_SYS_VS_Systick
+Mcu.Pin11=VP_IWDG_VS_IWDG
-Mcu.Pin12=VP_TIM2_VS_ClockSourceINT
+Mcu.Pin12=VP_SYS_VS_Systick
-Mcu.Pin13=VP_TIM2_VS_indirect_ch1
+Mcu.Pin13=VP_TIM2_VS_ClockSourceINT
-Mcu.Pin14=VP_TIM5_VS_ClockSourceINT
+Mcu.Pin14=VP_TIM2_VS_indirect_ch1
-Mcu.Pin15=VP_TIM5_VS_indirect_ch1
+Mcu.Pin15=VP_TIM5_VS_ClockSourceINT
-Mcu.Pin16=VP_TIM11_VS_ClockSourceINT
+Mcu.Pin16=VP_TIM5_VS_indirect_ch1
-Mcu.Pin17=VP_TIM11_VS_OPM
+Mcu.Pin17=VP_TIM11_VS_ClockSourceINT
-Mcu.Pin18=VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS
+Mcu.Pin18=VP_TIM11_VS_OPM
+Mcu.Pin19=VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS
 Mcu.Pin2=PC15-OSC32_OUT
 Mcu.Pin3=PH0 - OSC_IN
 Mcu.Pin4=PH1 - OSC_OUT
@@ -61,7 +65,7 @@ Mcu.Pin6=PA5
 Mcu.Pin7=PA11
 Mcu.Pin8=PA12
 Mcu.Pin9=PA13
-Mcu.PinsNb=19
+Mcu.PinsNb=20
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F411CEUx
@@ -190,6 +194,8 @@ USB_DEVICE.VirtualMode=Cdc
 USB_DEVICE.VirtualModeFS=Cdc_FS
 USB_OTG_FS.IPParameters=VirtualMode
 USB_OTG_FS.VirtualMode=Device_Only
+VP_IWDG_VS_IWDG.Mode=IWDG_Activate
+VP_IWDG_VS_IWDG.Signal=IWDG_VS_IWDG
 VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
 VP_TIM11_VS_ClockSourceINT.Mode=Enable_Timer