add first rev of eeprom

and ref voltage in varhandler

Core/Src/main.c

@@ -52,6 +52,8 @@ DMA_HandleTypeDef hdma_adc1;
 
 CAN_HandleTypeDef hcan1;
 
+CRC_HandleTypeDef hcrc;
+
 DAC_HandleTypeDef hdac1;
 
 I2C_HandleTypeDef hi2c1;
@@ -83,6 +85,7 @@ static void MX_DAC1_Init(void);
 static void MX_SPI1_Init(void);
 static void MX_I2C1_Init(void);
 static void MX_IWDG_Init(void);
+static void MX_CRC_Init(void);
 void vDefaultTask(void *argument);
 
 /* USER CODE BEGIN PFP */
@@ -146,6 +149,7 @@ int main(void)
   MX_SPI1_Init();
   MX_I2C1_Init();
   MX_IWDG_Init();
+  MX_CRC_Init();
   /* USER CODE BEGIN 2 */
 
   /* USER CODE END 2 */
@@ -211,6 +215,7 @@ void SystemClock_Config(void)
   {
     Error_Handler();
   }
+
   /** Initializes the RCC Oscillators according to the specified parameters
   * in the RCC_OscInitTypeDef structure.
   */
@@ -228,6 +233,7 @@ void SystemClock_Config(void)
   {
     Error_Handler();
   }
+
   /** Initializes the CPU, AHB and APB buses clocks
   */
   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
@@ -260,6 +266,7 @@ static void MX_ADC1_Init(void)
   /* USER CODE BEGIN ADC1_Init 1 */
 
   /* USER CODE END ADC1_Init 1 */
+
   /** Common config
   */
   hadc1.Instance = ADC1;
@@ -285,6 +292,7 @@ static void MX_ADC1_Init(void)
   {
     Error_Handler();
   }
+
   /** Configure Regular Channel
   */
   sConfig.Channel = ADC_CHANNEL_6;
@@ -297,6 +305,7 @@ static void MX_ADC1_Init(void)
   {
     Error_Handler();
   }
+
   /** Configure Regular Channel
   */
   sConfig.Channel = ADC_CHANNEL_16;
@@ -305,6 +314,7 @@ static void MX_ADC1_Init(void)
   {
     Error_Handler();
   }
+
   /** Configure Regular Channel
   */
   sConfig.Channel = ADC_CHANNEL_7;
@@ -313,6 +323,7 @@ static void MX_ADC1_Init(void)
   {
     Error_Handler();
   }
+
   /** Configure Regular Channel
   */
   sConfig.Channel = ADC_CHANNEL_15;
@@ -366,6 +377,37 @@ static void MX_CAN1_Init(void)
 
 }
 
+/**
+  * @brief CRC Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_CRC_Init(void)
+{
+
+  /* USER CODE BEGIN CRC_Init 0 */
+
+  /* USER CODE END CRC_Init 0 */
+
+  /* USER CODE BEGIN CRC_Init 1 */
+
+  /* USER CODE END CRC_Init 1 */
+  hcrc.Instance = CRC;
+  hcrc.Init.DefaultPolynomialUse = DEFAULT_POLYNOMIAL_ENABLE;
+  hcrc.Init.DefaultInitValueUse = DEFAULT_INIT_VALUE_ENABLE;
+  hcrc.Init.InputDataInversionMode = CRC_INPUTDATA_INVERSION_NONE;
+  hcrc.Init.OutputDataInversionMode = CRC_OUTPUTDATA_INVERSION_DISABLE;
+  hcrc.InputDataFormat = CRC_INPUTDATA_FORMAT_BYTES;
+  if (HAL_CRC_Init(&hcrc) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN CRC_Init 2 */
+
+  /* USER CODE END CRC_Init 2 */
+
+}
+
 /**
   * @brief DAC1 Initialization Function
   * @param None
@@ -383,6 +425,7 @@ static void MX_DAC1_Init(void)
   /* USER CODE BEGIN DAC1_Init 1 */
 
   /* USER CODE END DAC1_Init 1 */
+
   /** DAC Initialization
   */
   hdac1.Instance = DAC1;
@@ -390,6 +433,7 @@ static void MX_DAC1_Init(void)
   {
     Error_Handler();
   }
+
   /** DAC channel OUT1 config
   */
   sConfig.DAC_SampleAndHold = DAC_SAMPLEANDHOLD_DISABLE;
@@ -440,12 +484,14 @@ static void MX_I2C1_Init(void)
   {
     Error_Handler();
   }
+
   /** Configure Analogue filter
   */
   if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
   {
     Error_Handler();
   }
+
   /** Configure Digital filter
   */
   if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK)
@@ -665,4 +711,3 @@ void assert_failed(uint8_t *file, uint32_t line)
   /* USER CODE END 6 */
 }
 #endif /* USE_FULL_ASSERT */
-

Core/Src/stm32l4xx_hal_msp.c

@@ -99,6 +99,7 @@ void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc)
   /* USER CODE BEGIN ADC1_MspInit 0 */
 
   /* USER CODE END ADC1_MspInit 0 */
+
   /** Initializes the peripherals clock
   */
     PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
@@ -274,6 +275,50 @@ void HAL_CAN_MspDeInit(CAN_HandleTypeDef* hcan)
 
 }
 
+/**
+* @brief CRC MSP Initialization
+* This function configures the hardware resources used in this example
+* @param hcrc: CRC handle pointer
+* @retval None
+*/
+void HAL_CRC_MspInit(CRC_HandleTypeDef* hcrc)
+{
+  if(hcrc->Instance==CRC)
+  {
+  /* USER CODE BEGIN CRC_MspInit 0 */
+
+  /* USER CODE END CRC_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_CRC_CLK_ENABLE();
+  /* USER CODE BEGIN CRC_MspInit 1 */
+
+  /* USER CODE END CRC_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief CRC MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param hcrc: CRC handle pointer
+* @retval None
+*/
+void HAL_CRC_MspDeInit(CRC_HandleTypeDef* hcrc)
+{
+  if(hcrc->Instance==CRC)
+  {
+  /* USER CODE BEGIN CRC_MspDeInit 0 */
+
+  /* USER CODE END CRC_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_CRC_CLK_DISABLE();
+  /* USER CODE BEGIN CRC_MspDeInit 1 */
+
+  /* USER CODE END CRC_MspDeInit 1 */
+  }
+
+}
+
 /**
 * @brief DAC MSP Initialization
 * This function configures the hardware resources used in this example
@@ -350,6 +395,7 @@ void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
   /* USER CODE BEGIN I2C1_MspInit 0 */
 
   /* USER CODE END I2C1_MspInit 0 */
+
   /** Initializes the peripherals clock
   */
     PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_I2C1;
@@ -525,4 +571,3 @@ void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */
-

Core/Src/stm32l4xx_it.c

@@ -317,4 +317,3 @@ void DMA2_Channel3_IRQHandler(void)
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */
-