From 86608c6770cf08c138a2bdab5855072f64be09ef Mon Sep 17 00:00:00 2001
From: joshua <joshua@joshuayun.com>
Date: Sat, 30 Dec 2023 23:54:31 -0500
Subject: initial commit

---
 Core/Src/AD9851.c            |  59 ++++
 Core/Src/main.c              | 707 +++++++++++++++++++++++++++++++++++++++++++
 Core/Src/stm32h7xx_hal_msp.c | 476 +++++++++++++++++++++++++++++
 Core/Src/stm32h7xx_it.c      | 247 +++++++++++++++
 Core/Src/system_stm32h7xx.c  | 450 +++++++++++++++++++++++++++
 5 files changed, 1939 insertions(+)
 create mode 100644 Core/Src/AD9851.c
 create mode 100644 Core/Src/main.c
 create mode 100644 Core/Src/stm32h7xx_hal_msp.c
 create mode 100644 Core/Src/stm32h7xx_it.c
 create mode 100644 Core/Src/system_stm32h7xx.c

(limited to 'Core/Src')

diff --git a/Core/Src/AD9851.c b/Core/Src/AD9851.c
new file mode 100644
index 0000000..4c4652a
--- /dev/null
+++ b/Core/Src/AD9851.c
@@ -0,0 +1,59 @@
+#include "AD9851.h"
+
+void AD9851_reset(void) {
+    HAL_GPIO_WritePin(RESET_GPIO_Port, RESET_Pin, GPIO_PIN_RESET);
+    HAL_GPIO_WritePin(W_CLK_GPIO_Port, W_CLK_Pin, GPIO_PIN_RESET);
+    HAL_GPIO_WritePin(FQ_UD_GPIO_Port, FQ_UD_Pin, GPIO_PIN_RESET);
+    HAL_Delay(50);
+    HAL_GPIO_WritePin(RESET_GPIO_Port, RESET_Pin, GPIO_PIN_SET);
+    HAL_Delay(50);
+    HAL_GPIO_WritePin(RESET_GPIO_Port, RESET_Pin, GPIO_PIN_RESET);
+    HAL_Delay(50);
+}
+
+void AD9851_parallel(uint32_t freq) {
+
+    uint32_t tword = (freq/100) * 2386;
+    uint8_t W[5];
+
+    W[4] = tword;
+    W[3] = tword >> 8;
+    W[2] = tword >> 16;
+    W[1] = tword >> 24;
+
+    W[0] = 0x01; //phase and 6xREFCLK mult enable
+
+    HAL_GPIO_WritePin(FQ_UD_GPIO_Port, FQ_UD_Pin, GPIO_PIN_RESET);
+    for (int i=0;i<5;i++) {
+        HAL_GPIO_WritePin(D0_GPIO_Port, D0_Pin, W[i] & 0x01);
+        HAL_GPIO_WritePin(D1_GPIO_Port, D1_Pin, (W[i] >> 1) & 0x01);
+        HAL_GPIO_WritePin(D2_GPIO_Port, D2_Pin, (W[i] >> 2) & 0x01);
+        HAL_GPIO_WritePin(D3_GPIO_Port, D3_Pin, (W[i] >> 3) & 0x01);
+        HAL_GPIO_WritePin(D4_GPIO_Port, D4_Pin, (W[i] >> 4) & 0x01);
+        HAL_GPIO_WritePin(D5_GPIO_Port, D5_Pin, (W[i] >> 5) & 0x01);
+        if (i==0) {
+            HAL_GPIO_WritePin(D6_GPIO_Port, D6_Pin, 1);
+        } else {
+        HAL_GPIO_WritePin(D6_GPIO_Port, D6_Pin, (W[i] >> 6) & 0x01);
+        }
+            HAL_GPIO_WritePin(D7_GPIO_Port, D7_Pin, (W[i] >> 7) & 0x01);
+        
+        HAL_GPIO_WritePin(D10_GPIO_Port, D10_Pin, W[i] & 0x01);
+        HAL_GPIO_WritePin(D11_GPIO_Port, D11_Pin, (W[i] >> 1) & 0x01);
+        HAL_GPIO_WritePin(D12_GPIO_Port, D12_Pin, (W[i] >> 2) & 0x01);
+        HAL_GPIO_WritePin(D13_GPIO_Port, D13_Pin, (W[i] >> 3) & 0x01);
+        HAL_GPIO_WritePin(D14_GPIO_Port, D14_Pin, (W[i] >> 4) & 0x01);
+        HAL_GPIO_WritePin(D15_GPIO_Port, D15_Pin, (W[i] >> 5) & 0x01);
+        HAL_GPIO_WritePin(D16_GPIO_Port, D16_Pin, (W[i] >> 6) & 0x01);
+        HAL_GPIO_WritePin(D17_GPIO_Port, D17_Pin, (W[i] >> 7) & 0x01);
+        
+        HAL_GPIO_WritePin(W_CLK_GPIO_Port, W_CLK_Pin, GPIO_PIN_SET);
+        HAL_Delay(50);
+        HAL_GPIO_WritePin(W_CLK_GPIO_Port, W_CLK_Pin, GPIO_PIN_RESET);
+    }
+
+    HAL_GPIO_WritePin(FQ_UD_GPIO_Port, FQ_UD_Pin, GPIO_PIN_SET);
+    HAL_Delay(50);
+    //below may be unnecessary
+    HAL_GPIO_WritePin(FQ_UD_GPIO_Port, FQ_UD_Pin, GPIO_PIN_RESET);
+}
\ No newline at end of file
diff --git a/Core/Src/main.c b/Core/Src/main.c
new file mode 100644
index 0000000..bc7e67c
--- /dev/null
+++ b/Core/Src/main.c
@@ -0,0 +1,707 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : main.c
+  * @brief          : Main program body
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* Private includes ----------------------------------------------------------*/
+/* USER CODE BEGIN Includes */
+#include "AD9851.h"
+#include "Si5351A-RevB-Registers.h"
+/* USER CODE END Includes */
+
+/* Private typedef -----------------------------------------------------------*/
+/* USER CODE BEGIN PTD */
+
+/* USER CODE END PTD */
+
+/* Private define ------------------------------------------------------------*/
+/* USER CODE BEGIN PD */
+#define NS 1000
+#define FULL_BUF_SIZE 256
+#define HALF_BUF_SIZE FULL_BUF_SIZE / 2
+/* USER CODE END PD */
+
+/* Private macro -------------------------------------------------------------*/
+/* USER CODE BEGIN PM */
+
+/* USER CODE END PM */
+
+/* Private variables ---------------------------------------------------------*/
+ADC_HandleTypeDef hadc1;
+ADC_HandleTypeDef hadc2;
+DMA_HandleTypeDef hdma_adc1;
+DMA_HandleTypeDef hdma_adc2;
+
+DAC_HandleTypeDef hdac1;
+DMA_HandleTypeDef hdma_dac1_ch2;
+
+I2C_HandleTypeDef hi2c1;
+
+UART_HandleTypeDef huart1;
+
+/* USER CODE BEGIN PV */
+volatile uint32_t adc_val[FULL_BUF_SIZE];
+volatile uint32_t dac_val[FULL_BUF_SIZE];
+
+uint32_t* in_buf_ptr;
+uint32_t* out_buf_ptr;
+uint32_t out_out_ptr = 0;
+
+int flag = 0;
+
+/* FIR filter designed with
+http://t-filter.appspot.com
+
+sampling frequency: 200000 Hz
+
+* 0 Hz - 16000 Hz
+  gain = 1
+  desired ripple = 5 dB
+  actual ripple = 0 dB
+
+*/
+
+#define FILTER_TAP_NUM 5
+
+static double filter_taps[FILTER_TAP_NUM] = {
+  -4.4408920985006264e-17,
+  4.4408920985006264e-17,
+  1,
+  4.4408920985006264e-17,
+  -4.4408920985006264e-17
+};
+
+float afilter_taps[FILTER_TAP_NUM];
+
+/* USER CODE END PV */
+
+/* Private function prototypes -----------------------------------------------*/
+void SystemClock_Config(void);
+void PeriphCommonClock_Config(void);
+static void MX_GPIO_Init(void);
+static void MX_DMA_Init(void);
+static void MX_ADC2_Init(void);
+static void MX_DAC1_Init(void);
+static void MX_I2C1_Init(void);
+static void MX_ADC1_Init(void);
+static void MX_USART1_UART_Init(void);
+/* USER CODE BEGIN PFP */
+
+/* USER CODE END PFP */
+
+/* Private user code ---------------------------------------------------------*/
+/* USER CODE BEGIN 0 */
+uint32_t fir(uint32_t in);
+
+void HAL_ADC_ConvHalfCpltCallback(ADC_HandleTypeDef* hadc) {
+  //first half of adc buffer is full
+  in_buf_ptr = &adc_val[0];
+  out_buf_ptr = &dac_val[HALF_BUF_SIZE];// + HALF_BUF_SIZE;
+
+  for (int i=0;i<HALF_BUF_SIZE;i++) {
+    uint32_t test = fir(in_buf_ptr[i]);
+    out_buf_ptr[i] = test;
+  }
+
+  flag=1;
+}
+
+void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc) {
+  //second half of adc buffer is full
+  in_buf_ptr = &adc_val[HALF_BUF_SIZE];// + HALF_BUF_SIZE;
+  out_buf_ptr = &dac_val[0];
+  
+  for (int i=0;i<HALF_BUF_SIZE;i++) {
+    uint32_t test = fir(in_buf_ptr[i]);
+    out_buf_ptr[i] = test;
+  }
+
+  flag=1;
+}
+
+float ema_alpha = 0.1f;
+float ema_out = 0;
+void ema_lpf(float in) {
+  ema_out = ema_alpha * in + (1.0f - ema_alpha) * ema_out;
+}
+
+float firdata[FILTER_TAP_NUM];
+int firptr[FILTER_TAP_NUM];
+int fir_w_ptr = 0;
+
+uint32_t fir(uint32_t in) {
+  float in_f = (float)((int)in-2048);
+  float fir_out = 0;
+  for (int i=0;i<FILTER_TAP_NUM;i++) {
+    fir_out += afilter_taps[firptr[i]] * firdata[i];
+    firptr[i]++;
+  }
+  firdata[fir_w_ptr] = in_f;
+  firptr[fir_w_ptr] = 0;
+  fir_w_ptr++;
+  if (fir_w_ptr == FILTER_TAP_NUM) fir_w_ptr = 0;
+
+  return (uint32_t) (fir_out+2048);
+}
+
+void process_data() {
+  for (int i=0;i<1;i++) {
+    float in = ((float) in_buf_ptr[i]);
+    ema_lpf(in);
+    out_buf_ptr[i] = (uint32_t)(ema_out);
+  }
+}
+
+/* USER CODE END 0 */
+
+/**
+  * @brief  The application entry point.
+  * @retval int
+  */
+int main(void)
+{
+  /* USER CODE BEGIN 1 */
+
+  /* USER CODE END 1 */
+
+  /* MCU Configuration--------------------------------------------------------*/
+
+  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
+  HAL_Init();
+
+  /* USER CODE BEGIN Init */
+
+  /* USER CODE END Init */
+
+  /* Configure the system clock */
+  SystemClock_Config();
+
+/* Configure the peripherals common clocks */
+  PeriphCommonClock_Config();
+
+  /* USER CODE BEGIN SysInit */
+
+  /* USER CODE END SysInit */
+
+  /* Initialize all configured peripherals */
+  MX_GPIO_Init();
+  MX_DMA_Init();
+  MX_ADC2_Init();
+  MX_DAC1_Init();
+  MX_I2C1_Init();
+  MX_ADC1_Init();
+  MX_USART1_UART_Init();
+  /* USER CODE BEGIN 2 */
+  HAL_ADC_Start_DMA(&hadc1, (uint32_t*) adc_val, FULL_BUF_SIZE);
+  HAL_DAC_Start_DMA(&hdac1, DAC_CHANNEL_1, (uint32_t*) dac_val, FULL_BUF_SIZE, DAC_ALIGN_12B_R);
+
+  float maxfir = 0;
+
+  for (int i=0;i<FILTER_TAP_NUM;i++) {
+    if (filter_taps[i] < 0) maxfir -= filter_taps[i];
+    else maxfir += filter_taps[i];
+  }
+
+  for (int i=0;i<FILTER_TAP_NUM;i++) {
+    afilter_taps[i] = filter_taps[i] / maxfir;
+  }
+
+  uint8_t i2c_buf[2];
+  for (int i=0;i<SI5351A_REVB_REG_CONFIG_NUM_REGS;i++) {
+    i2c_buf[0] = si5351a_revb_registers[i].address;
+    i2c_buf[1] = si5351a_revb_registers[i].value;
+    HAL_I2C_Master_Transmit(&hi2c1, 0x60 << 1, i2c_buf, 2, 1000);
+    HAL_Delay(50);
+  }
+  AD9851_reset();
+  
+  HAL_Delay(50);
+  AD9851_parallel(32881);
+
+
+
+  /* USER CODE END 2 */
+
+  /* Infinite loop */
+  /* USER CODE BEGIN WHILE */
+  while (1)
+  {
+    /* USER CODE END WHILE */
+
+    /* USER CODE BEGIN 3 */
+  }
+  /* USER CODE END 3 */
+}
+
+/**
+  * @brief System Clock Configuration
+  * @retval None
+  */
+void SystemClock_Config(void)
+{
+  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+
+  /** Supply configuration update enable
+  */
+  HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
+
+  /** Configure the main internal regulator output voltage
+  */
+  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+  while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
+
+  /** Macro to configure the PLL clock source
+  */
+  __HAL_RCC_PLL_PLLSOURCE_CONFIG(RCC_PLLSOURCE_HSI);
+
+  /** Initializes the RCC Oscillators according to the specified parameters
+  * in the RCC_OscInitTypeDef structure.
+  */
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+  RCC_OscInitStruct.HSIState = RCC_HSI_DIV1;
+  RCC_OscInitStruct.HSICalibrationValue = 64;
+  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  /** Initializes the CPU, AHB and APB buses clocks
+  */
+  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
+                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
+                              |RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
+  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
+  RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
+  RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV1;
+  RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
+  RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV4;
+  RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV4;
+  RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
+
+  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
+  {
+    Error_Handler();
+  }
+}
+
+/**
+  * @brief Peripherals Common Clock Configuration
+  * @retval None
+  */
+void PeriphCommonClock_Config(void)
+{
+  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
+
+  /** Initializes the peripherals clock
+  */
+  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_ADC;
+  PeriphClkInitStruct.PLL2.PLL2M = 4;
+  PeriphClkInitStruct.PLL2.PLL2N = 12;
+  PeriphClkInitStruct.PLL2.PLL2P = 4;
+  PeriphClkInitStruct.PLL2.PLL2Q = 2;
+  PeriphClkInitStruct.PLL2.PLL2R = 2;
+  PeriphClkInitStruct.PLL2.PLL2RGE = RCC_PLL2VCIRANGE_3;
+  PeriphClkInitStruct.PLL2.PLL2VCOSEL = RCC_PLL2VCOWIDE;
+  PeriphClkInitStruct.PLL2.PLL2FRACN = 0;
+  PeriphClkInitStruct.AdcClockSelection = RCC_ADCCLKSOURCE_PLL2;
+  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
+  {
+    Error_Handler();
+  }
+}
+
+/**
+  * @brief ADC1 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_ADC1_Init(void)
+{
+
+  /* USER CODE BEGIN ADC1_Init 0 */
+
+  /* USER CODE END ADC1_Init 0 */
+
+  ADC_MultiModeTypeDef multimode = {0};
+  ADC_ChannelConfTypeDef sConfig = {0};
+
+  /* USER CODE BEGIN ADC1_Init 1 */
+
+  /* USER CODE END ADC1_Init 1 */
+
+  /** Common config
+  */
+  hadc1.Instance = ADC1;
+  hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV4;
+  hadc1.Init.Resolution = ADC_RESOLUTION_16B;
+  hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
+  hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
+  hadc1.Init.LowPowerAutoWait = DISABLE;
+  hadc1.Init.ContinuousConvMode = DISABLE;
+  hadc1.Init.NbrOfConversion = 1;
+  hadc1.Init.DiscontinuousConvMode = DISABLE;
+  hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
+  hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
+  hadc1.Init.ConversionDataManagement = ADC_CONVERSIONDATA_DR;
+  hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;
+  hadc1.Init.LeftBitShift = ADC_LEFTBITSHIFT_NONE;
+  hadc1.Init.OversamplingMode = DISABLE;
+  if (HAL_ADC_Init(&hadc1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  /** Configure the ADC multi-mode
+  */
+  multimode.Mode = ADC_MODE_INDEPENDENT;
+  if (HAL_ADCEx_MultiModeConfigChannel(&hadc1, &multimode) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  /** Configure Regular Channel
+  */
+  sConfig.Channel = ADC_CHANNEL_3;
+  sConfig.Rank = ADC_REGULAR_RANK_1;
+  sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;
+  sConfig.SingleDiff = ADC_SINGLE_ENDED;
+  sConfig.OffsetNumber = ADC_OFFSET_NONE;
+  sConfig.Offset = 0;
+  sConfig.OffsetSignedSaturation = DISABLE;
+  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN ADC1_Init 2 */
+
+  /* USER CODE END ADC1_Init 2 */
+
+}
+
+/**
+  * @brief ADC2 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_ADC2_Init(void)
+{
+
+  /* USER CODE BEGIN ADC2_Init 0 */
+
+  /* USER CODE END ADC2_Init 0 */
+
+  ADC_ChannelConfTypeDef sConfig = {0};
+
+  /* USER CODE BEGIN ADC2_Init 1 */
+
+  /* USER CODE END ADC2_Init 1 */
+
+  /** Common config
+  */
+  hadc2.Instance = ADC2;
+  hadc2.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV4;
+  hadc2.Init.Resolution = ADC_RESOLUTION_16B;
+  hadc2.Init.ScanConvMode = ADC_SCAN_DISABLE;
+  hadc2.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
+  hadc2.Init.LowPowerAutoWait = DISABLE;
+  hadc2.Init.ContinuousConvMode = DISABLE;
+  hadc2.Init.NbrOfConversion = 1;
+  hadc2.Init.DiscontinuousConvMode = DISABLE;
+  hadc2.Init.ExternalTrigConv = ADC_SOFTWARE_START;
+  hadc2.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
+  hadc2.Init.ConversionDataManagement = ADC_CONVERSIONDATA_DR;
+  hadc2.Init.Overrun = ADC_OVR_DATA_PRESERVED;
+  hadc2.Init.LeftBitShift = ADC_LEFTBITSHIFT_NONE;
+  hadc2.Init.OversamplingMode = DISABLE;
+  if (HAL_ADC_Init(&hadc2) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  /** Configure Regular Channel
+  */
+  sConfig.Channel = ADC_CHANNEL_4;
+  sConfig.Rank = ADC_REGULAR_RANK_1;
+  sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;
+  sConfig.SingleDiff = ADC_SINGLE_ENDED;
+  sConfig.OffsetNumber = ADC_OFFSET_NONE;
+  sConfig.Offset = 0;
+  sConfig.OffsetSignedSaturation = DISABLE;
+  if (HAL_ADC_ConfigChannel(&hadc2, &sConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN ADC2_Init 2 */
+
+  /* USER CODE END ADC2_Init 2 */
+
+}
+
+/**
+  * @brief DAC1 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_DAC1_Init(void)
+{
+
+  /* USER CODE BEGIN DAC1_Init 0 */
+
+  /* USER CODE END DAC1_Init 0 */
+
+  DAC_ChannelConfTypeDef sConfig = {0};
+
+  /* USER CODE BEGIN DAC1_Init 1 */
+
+  /* USER CODE END DAC1_Init 1 */
+
+  /** DAC Initialization
+  */
+  hdac1.Instance = DAC1;
+  if (HAL_DAC_Init(&hdac1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  /** DAC channel OUT2 config
+  */
+  sConfig.DAC_SampleAndHold = DAC_SAMPLEANDHOLD_DISABLE;
+  sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
+  sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
+  sConfig.DAC_ConnectOnChipPeripheral = DAC_CHIPCONNECT_DISABLE;
+  sConfig.DAC_UserTrimming = DAC_TRIMMING_FACTORY;
+  if (HAL_DAC_ConfigChannel(&hdac1, &sConfig, DAC_CHANNEL_2) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN DAC1_Init 2 */
+
+  /* USER CODE END DAC1_Init 2 */
+
+}
+
+/**
+  * @brief I2C1 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_I2C1_Init(void)
+{
+
+  /* USER CODE BEGIN I2C1_Init 0 */
+
+  /* USER CODE END I2C1_Init 0 */
+
+  /* USER CODE BEGIN I2C1_Init 1 */
+
+  /* USER CODE END I2C1_Init 1 */
+  hi2c1.Instance = I2C1;
+  hi2c1.Init.Timing = 0x00303D5B;
+  hi2c1.Init.OwnAddress1 = 0;
+  hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
+  hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
+  hi2c1.Init.OwnAddress2 = 0;
+  hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
+  hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
+  hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
+  if (HAL_I2C_Init(&hi2c1) != HAL_OK)
+  {
+    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)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN I2C1_Init 2 */
+
+  /* USER CODE END I2C1_Init 2 */
+
+}
+
+/**
+  * @brief USART1 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_USART1_UART_Init(void)
+{
+
+  /* USER CODE BEGIN USART1_Init 0 */
+
+  /* USER CODE END USART1_Init 0 */
+
+  /* USER CODE BEGIN USART1_Init 1 */
+
+  /* USER CODE END USART1_Init 1 */
+  huart1.Instance = USART1;
+  huart1.Init.BaudRate = 115200;
+  huart1.Init.WordLength = UART_WORDLENGTH_8B;
+  huart1.Init.StopBits = UART_STOPBITS_1;
+  huart1.Init.Parity = UART_PARITY_NONE;
+  huart1.Init.Mode = UART_MODE_TX_RX;
+  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
+  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
+  huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
+  huart1.Init.ClockPrescaler = UART_PRESCALER_DIV1;
+  huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
+  if (HAL_UART_Init(&huart1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_UARTEx_SetTxFifoThreshold(&huart1, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_UARTEx_SetRxFifoThreshold(&huart1, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_UARTEx_DisableFifoMode(&huart1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN USART1_Init 2 */
+
+  /* USER CODE END USART1_Init 2 */
+
+}
+
+/**
+  * Enable DMA controller clock
+  */
+static void MX_DMA_Init(void)
+{
+
+  /* DMA controller clock enable */
+  __HAL_RCC_DMA1_CLK_ENABLE();
+
+  /* DMA interrupt init */
+  /* DMA1_Stream0_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(DMA1_Stream0_IRQn, 0, 0);
+  HAL_NVIC_EnableIRQ(DMA1_Stream0_IRQn);
+  /* DMA1_Stream1_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(DMA1_Stream1_IRQn, 0, 0);
+  HAL_NVIC_EnableIRQ(DMA1_Stream1_IRQn);
+  /* DMA1_Stream2_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(DMA1_Stream2_IRQn, 0, 0);
+  HAL_NVIC_EnableIRQ(DMA1_Stream2_IRQn);
+
+}
+
+/**
+  * @brief GPIO Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_GPIO_Init(void)
+{
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+/* USER CODE BEGIN MX_GPIO_Init_1 */
+/* USER CODE END MX_GPIO_Init_1 */
+
+  /* GPIO Ports Clock Enable */
+  __HAL_RCC_GPIOC_CLK_ENABLE();
+  __HAL_RCC_GPIOA_CLK_ENABLE();
+  __HAL_RCC_GPIOD_CLK_ENABLE();
+  __HAL_RCC_GPIOB_CLK_ENABLE();
+
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(GPIOC, FQ_UD_Pin|RESET_Pin|W_CLK_Pin|D13_Pin
+                          |D12_Pin, GPIO_PIN_RESET);
+
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(GPIOD, D7_Pin|D6_Pin|D5_Pin|D4_Pin
+                          |D3_Pin|D2_Pin|D1_Pin|D0_Pin
+                          |D11_Pin|D10_Pin|D14_Pin|D15_Pin
+                          |D16_Pin|D17_Pin, GPIO_PIN_RESET);
+
+  /*Configure GPIO pins : FQ_UD_Pin RESET_Pin W_CLK_Pin D13_Pin
+                           D12_Pin */
+  GPIO_InitStruct.Pin = FQ_UD_Pin|RESET_Pin|W_CLK_Pin|D13_Pin
+                          |D12_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
+  /*Configure GPIO pins : D7_Pin D6_Pin D5_Pin D4_Pin
+                           D3_Pin D2_Pin D1_Pin D0_Pin
+                           D11_Pin D10_Pin D14_Pin D15_Pin
+                           D16_Pin D17_Pin */
+  GPIO_InitStruct.Pin = D7_Pin|D6_Pin|D5_Pin|D4_Pin
+                          |D3_Pin|D2_Pin|D1_Pin|D0_Pin
+                          |D11_Pin|D10_Pin|D14_Pin|D15_Pin
+                          |D16_Pin|D17_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+  HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
+
+/* USER CODE BEGIN MX_GPIO_Init_2 */
+/* USER CODE END MX_GPIO_Init_2 */
+}
+
+/* USER CODE BEGIN 4 */
+
+/* USER CODE END 4 */
+
+/**
+  * @brief  This function is executed in case of error occurrence.
+  * @retval None
+  */
+void Error_Handler(void)
+{
+  /* USER CODE BEGIN Error_Handler_Debug */
+  /* User can add his own implementation to report the HAL error return state */
+  __disable_irq();
+  while (1)
+  {
+  }
+  /* USER CODE END Error_Handler_Debug */
+}
+
+#ifdef  USE_FULL_ASSERT
+/**
+  * @brief  Reports the name of the source file and the source line number
+  *         where the assert_param error has occurred.
+  * @param  file: pointer to the source file name
+  * @param  line: assert_param error line source number
+  * @retval None
+  */
+void assert_failed(uint8_t *file, uint32_t line)
+{
+  /* USER CODE BEGIN 6 */
+  /* User can add his own implementation to report the file name and line number,
+     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
+  /* USER CODE END 6 */
+}
+#endif /* USE_FULL_ASSERT */
diff --git a/Core/Src/stm32h7xx_hal_msp.c b/Core/Src/stm32h7xx_hal_msp.c
new file mode 100644
index 0000000..963b103
--- /dev/null
+++ b/Core/Src/stm32h7xx_hal_msp.c
@@ -0,0 +1,476 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file         stm32h7xx_hal_msp.c
+  * @brief        This file provides code for the MSP Initialization
+  *               and de-Initialization codes.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+extern DMA_HandleTypeDef hdma_adc1;
+
+extern DMA_HandleTypeDef hdma_adc2;
+
+extern DMA_HandleTypeDef hdma_dac1_ch2;
+
+/* Private typedef -----------------------------------------------------------*/
+/* USER CODE BEGIN TD */
+
+/* USER CODE END TD */
+
+/* Private define ------------------------------------------------------------*/
+/* USER CODE BEGIN Define */
+
+/* USER CODE END Define */
+
+/* Private macro -------------------------------------------------------------*/
+/* USER CODE BEGIN Macro */
+
+/* USER CODE END Macro */
+
+/* Private variables ---------------------------------------------------------*/
+/* USER CODE BEGIN PV */
+
+/* USER CODE END PV */
+
+/* Private function prototypes -----------------------------------------------*/
+/* USER CODE BEGIN PFP */
+
+/* USER CODE END PFP */
+
+/* External functions --------------------------------------------------------*/
+/* USER CODE BEGIN ExternalFunctions */
+
+/* USER CODE END ExternalFunctions */
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+/**
+  * Initializes the Global MSP.
+  */
+void HAL_MspInit(void)
+{
+  /* USER CODE BEGIN MspInit 0 */
+
+  /* USER CODE END MspInit 0 */
+
+  __HAL_RCC_SYSCFG_CLK_ENABLE();
+
+  /* System interrupt init*/
+
+  /* USER CODE BEGIN MspInit 1 */
+
+  /* USER CODE END MspInit 1 */
+}
+
+static uint32_t HAL_RCC_ADC12_CLK_ENABLED=0;
+
+/**
+* @brief ADC MSP Initialization
+* This function configures the hardware resources used in this example
+* @param hadc: ADC handle pointer
+* @retval None
+*/
+void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc)
+{
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  if(hadc->Instance==ADC1)
+  {
+  /* USER CODE BEGIN ADC1_MspInit 0 */
+
+  /* USER CODE END ADC1_MspInit 0 */
+    /* Peripheral clock enable */
+    HAL_RCC_ADC12_CLK_ENABLED++;
+    if(HAL_RCC_ADC12_CLK_ENABLED==1){
+      __HAL_RCC_ADC12_CLK_ENABLE();
+    }
+
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    /**ADC1 GPIO Configuration
+    PA6     ------> ADC1_INP3
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_6;
+    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+    /* ADC1 DMA Init */
+    /* ADC1 Init */
+    hdma_adc1.Instance = DMA1_Stream0;
+    hdma_adc1.Init.Request = DMA_REQUEST_ADC1;
+    hdma_adc1.Init.Direction = DMA_PERIPH_TO_MEMORY;
+    hdma_adc1.Init.PeriphInc = DMA_PINC_DISABLE;
+    hdma_adc1.Init.MemInc = DMA_MINC_ENABLE;
+    hdma_adc1.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
+    hdma_adc1.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
+    hdma_adc1.Init.Mode = DMA_NORMAL;
+    hdma_adc1.Init.Priority = DMA_PRIORITY_HIGH;
+    hdma_adc1.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
+    if (HAL_DMA_Init(&hdma_adc1) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    __HAL_LINKDMA(hadc,DMA_Handle,hdma_adc1);
+
+  /* USER CODE BEGIN ADC1_MspInit 1 */
+
+  /* USER CODE END ADC1_MspInit 1 */
+  }
+  else if(hadc->Instance==ADC2)
+  {
+  /* USER CODE BEGIN ADC2_MspInit 0 */
+
+  /* USER CODE END ADC2_MspInit 0 */
+    /* Peripheral clock enable */
+    HAL_RCC_ADC12_CLK_ENABLED++;
+    if(HAL_RCC_ADC12_CLK_ENABLED==1){
+      __HAL_RCC_ADC12_CLK_ENABLE();
+    }
+
+    __HAL_RCC_GPIOC_CLK_ENABLE();
+    /**ADC2 GPIO Configuration
+    PC4     ------> ADC2_INP4
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_4;
+    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
+    /* ADC2 DMA Init */
+    /* ADC2 Init */
+    hdma_adc2.Instance = DMA1_Stream1;
+    hdma_adc2.Init.Request = DMA_REQUEST_ADC2;
+    hdma_adc2.Init.Direction = DMA_PERIPH_TO_MEMORY;
+    hdma_adc2.Init.PeriphInc = DMA_PINC_DISABLE;
+    hdma_adc2.Init.MemInc = DMA_MINC_ENABLE;
+    hdma_adc2.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
+    hdma_adc2.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
+    hdma_adc2.Init.Mode = DMA_CIRCULAR;
+    hdma_adc2.Init.Priority = DMA_PRIORITY_HIGH;
+    hdma_adc2.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
+    if (HAL_DMA_Init(&hdma_adc2) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    __HAL_LINKDMA(hadc,DMA_Handle,hdma_adc2);
+
+  /* USER CODE BEGIN ADC2_MspInit 1 */
+
+  /* USER CODE END ADC2_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief ADC MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param hadc: ADC handle pointer
+* @retval None
+*/
+void HAL_ADC_MspDeInit(ADC_HandleTypeDef* hadc)
+{
+  if(hadc->Instance==ADC1)
+  {
+  /* USER CODE BEGIN ADC1_MspDeInit 0 */
+
+  /* USER CODE END ADC1_MspDeInit 0 */
+    /* Peripheral clock disable */
+    HAL_RCC_ADC12_CLK_ENABLED--;
+    if(HAL_RCC_ADC12_CLK_ENABLED==0){
+      __HAL_RCC_ADC12_CLK_DISABLE();
+    }
+
+    /**ADC1 GPIO Configuration
+    PA6     ------> ADC1_INP3
+    */
+    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_6);
+
+    /* ADC1 DMA DeInit */
+    HAL_DMA_DeInit(hadc->DMA_Handle);
+  /* USER CODE BEGIN ADC1_MspDeInit 1 */
+
+  /* USER CODE END ADC1_MspDeInit 1 */
+  }
+  else if(hadc->Instance==ADC2)
+  {
+  /* USER CODE BEGIN ADC2_MspDeInit 0 */
+
+  /* USER CODE END ADC2_MspDeInit 0 */
+    /* Peripheral clock disable */
+    HAL_RCC_ADC12_CLK_ENABLED--;
+    if(HAL_RCC_ADC12_CLK_ENABLED==0){
+      __HAL_RCC_ADC12_CLK_DISABLE();
+    }
+
+    /**ADC2 GPIO Configuration
+    PC4     ------> ADC2_INP4
+    */
+    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_4);
+
+    /* ADC2 DMA DeInit */
+    HAL_DMA_DeInit(hadc->DMA_Handle);
+  /* USER CODE BEGIN ADC2_MspDeInit 1 */
+
+  /* USER CODE END ADC2_MspDeInit 1 */
+  }
+
+}
+
+/**
+* @brief DAC MSP Initialization
+* This function configures the hardware resources used in this example
+* @param hdac: DAC handle pointer
+* @retval None
+*/
+void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac)
+{
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  if(hdac->Instance==DAC1)
+  {
+  /* USER CODE BEGIN DAC1_MspInit 0 */
+
+  /* USER CODE END DAC1_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_DAC12_CLK_ENABLE();
+
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    /**DAC1 GPIO Configuration
+    PA5     ------> DAC1_OUT2
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_5;
+    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+    /* DAC1 DMA Init */
+    /* DAC1_CH2 Init */
+    hdma_dac1_ch2.Instance = DMA1_Stream2;
+    hdma_dac1_ch2.Init.Request = DMA_REQUEST_DAC2;
+    hdma_dac1_ch2.Init.Direction = DMA_MEMORY_TO_PERIPH;
+    hdma_dac1_ch2.Init.PeriphInc = DMA_PINC_DISABLE;
+    hdma_dac1_ch2.Init.MemInc = DMA_MINC_ENABLE;
+    hdma_dac1_ch2.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
+    hdma_dac1_ch2.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
+    hdma_dac1_ch2.Init.Mode = DMA_CIRCULAR;
+    hdma_dac1_ch2.Init.Priority = DMA_PRIORITY_HIGH;
+    hdma_dac1_ch2.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
+    if (HAL_DMA_Init(&hdma_dac1_ch2) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    __HAL_LINKDMA(hdac,DMA_Handle2,hdma_dac1_ch2);
+
+  /* USER CODE BEGIN DAC1_MspInit 1 */
+
+  /* USER CODE END DAC1_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief DAC MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param hdac: DAC handle pointer
+* @retval None
+*/
+void HAL_DAC_MspDeInit(DAC_HandleTypeDef* hdac)
+{
+  if(hdac->Instance==DAC1)
+  {
+  /* USER CODE BEGIN DAC1_MspDeInit 0 */
+
+  /* USER CODE END DAC1_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_DAC12_CLK_DISABLE();
+
+    /**DAC1 GPIO Configuration
+    PA5     ------> DAC1_OUT2
+    */
+    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5);
+
+    /* DAC1 DMA DeInit */
+    HAL_DMA_DeInit(hdac->DMA_Handle2);
+  /* USER CODE BEGIN DAC1_MspDeInit 1 */
+
+  /* USER CODE END DAC1_MspDeInit 1 */
+  }
+
+}
+
+/**
+* @brief I2C MSP Initialization
+* This function configures the hardware resources used in this example
+* @param hi2c: I2C handle pointer
+* @retval None
+*/
+void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
+{
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
+  if(hi2c->Instance==I2C1)
+  {
+  /* USER CODE BEGIN I2C1_MspInit 0 */
+
+  /* USER CODE END I2C1_MspInit 0 */
+
+  /** Initializes the peripherals clock
+  */
+    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C1;
+    PeriphClkInitStruct.I2c123ClockSelection = RCC_I2C1235CLKSOURCE_D2PCLK1;
+    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    __HAL_RCC_GPIOB_CLK_ENABLE();
+    /**I2C1 GPIO Configuration
+    PB6     ------> I2C1_SCL
+    PB7     ------> I2C1_SDA
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
+    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+    /* Peripheral clock enable */
+    __HAL_RCC_I2C1_CLK_ENABLE();
+  /* USER CODE BEGIN I2C1_MspInit 1 */
+
+  /* USER CODE END I2C1_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief I2C MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param hi2c: I2C handle pointer
+* @retval None
+*/
+void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c)
+{
+  if(hi2c->Instance==I2C1)
+  {
+  /* USER CODE BEGIN I2C1_MspDeInit 0 */
+
+  /* USER CODE END I2C1_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_I2C1_CLK_DISABLE();
+
+    /**I2C1 GPIO Configuration
+    PB6     ------> I2C1_SCL
+    PB7     ------> I2C1_SDA
+    */
+    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6);
+
+    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_7);
+
+  /* USER CODE BEGIN I2C1_MspDeInit 1 */
+
+  /* USER CODE END I2C1_MspDeInit 1 */
+  }
+
+}
+
+/**
+* @brief UART MSP Initialization
+* This function configures the hardware resources used in this example
+* @param huart: UART handle pointer
+* @retval None
+*/
+void HAL_UART_MspInit(UART_HandleTypeDef* huart)
+{
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
+  if(huart->Instance==USART1)
+  {
+  /* USER CODE BEGIN USART1_MspInit 0 */
+
+  /* USER CODE END USART1_MspInit 0 */
+
+  /** Initializes the peripherals clock
+  */
+    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART1;
+    PeriphClkInitStruct.Usart16ClockSelection = RCC_USART16910CLKSOURCE_D2PCLK2;
+    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    /* Peripheral clock enable */
+    __HAL_RCC_USART1_CLK_ENABLE();
+
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    /**USART1 GPIO Configuration
+    PA9     ------> USART1_TX
+    PA10     ------> USART1_RX
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+  /* USER CODE BEGIN USART1_MspInit 1 */
+
+  /* USER CODE END USART1_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief UART MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param huart: UART handle pointer
+* @retval None
+*/
+void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
+{
+  if(huart->Instance==USART1)
+  {
+  /* USER CODE BEGIN USART1_MspDeInit 0 */
+
+  /* USER CODE END USART1_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_USART1_CLK_DISABLE();
+
+    /**USART1 GPIO Configuration
+    PA9     ------> USART1_TX
+    PA10     ------> USART1_RX
+    */
+    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
+
+  /* USER CODE BEGIN USART1_MspDeInit 1 */
+
+  /* USER CODE END USART1_MspDeInit 1 */
+  }
+
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
diff --git a/Core/Src/stm32h7xx_it.c b/Core/Src/stm32h7xx_it.c
new file mode 100644
index 0000000..f386243
--- /dev/null
+++ b/Core/Src/stm32h7xx_it.c
@@ -0,0 +1,247 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    stm32h7xx_it.c
+  * @brief   Interrupt Service Routines.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+#include "stm32h7xx_it.h"
+/* Private includes ----------------------------------------------------------*/
+/* USER CODE BEGIN Includes */
+/* USER CODE END Includes */
+
+/* Private typedef -----------------------------------------------------------*/
+/* USER CODE BEGIN TD */
+
+/* USER CODE END TD */
+
+/* Private define ------------------------------------------------------------*/
+/* USER CODE BEGIN PD */
+
+/* USER CODE END PD */
+
+/* Private macro -------------------------------------------------------------*/
+/* USER CODE BEGIN PM */
+
+/* USER CODE END PM */
+
+/* Private variables ---------------------------------------------------------*/
+/* USER CODE BEGIN PV */
+
+/* USER CODE END PV */
+
+/* Private function prototypes -----------------------------------------------*/
+/* USER CODE BEGIN PFP */
+
+/* USER CODE END PFP */
+
+/* Private user code ---------------------------------------------------------*/
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/* External variables --------------------------------------------------------*/
+extern DMA_HandleTypeDef hdma_adc1;
+extern DMA_HandleTypeDef hdma_adc2;
+extern DMA_HandleTypeDef hdma_dac1_ch2;
+/* USER CODE BEGIN EV */
+
+/* USER CODE END EV */
+
+/******************************************************************************/
+/*           Cortex Processor Interruption and Exception Handlers          */
+/******************************************************************************/
+/**
+  * @brief This function handles Non maskable interrupt.
+  */
+void NMI_Handler(void)
+{
+  /* USER CODE BEGIN NonMaskableInt_IRQn 0 */
+
+  /* USER CODE END NonMaskableInt_IRQn 0 */
+  /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
+  while (1)
+  {
+  }
+  /* USER CODE END NonMaskableInt_IRQn 1 */
+}
+
+/**
+  * @brief This function handles Hard fault interrupt.
+  */
+void HardFault_Handler(void)
+{
+  /* USER CODE BEGIN HardFault_IRQn 0 */
+
+  /* USER CODE END HardFault_IRQn 0 */
+  while (1)
+  {
+    /* USER CODE BEGIN W1_HardFault_IRQn 0 */
+    /* USER CODE END W1_HardFault_IRQn 0 */
+  }
+}
+
+/**
+  * @brief This function handles Memory management fault.
+  */
+void MemManage_Handler(void)
+{
+  /* USER CODE BEGIN MemoryManagement_IRQn 0 */
+
+  /* USER CODE END MemoryManagement_IRQn 0 */
+  while (1)
+  {
+    /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
+    /* USER CODE END W1_MemoryManagement_IRQn 0 */
+  }
+}
+
+/**
+  * @brief This function handles Pre-fetch fault, memory access fault.
+  */
+void BusFault_Handler(void)
+{
+  /* USER CODE BEGIN BusFault_IRQn 0 */
+
+  /* USER CODE END BusFault_IRQn 0 */
+  while (1)
+  {
+    /* USER CODE BEGIN W1_BusFault_IRQn 0 */
+    /* USER CODE END W1_BusFault_IRQn 0 */
+  }
+}
+
+/**
+  * @brief This function handles Undefined instruction or illegal state.
+  */
+void UsageFault_Handler(void)
+{
+  /* USER CODE BEGIN UsageFault_IRQn 0 */
+
+  /* USER CODE END UsageFault_IRQn 0 */
+  while (1)
+  {
+    /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
+    /* USER CODE END W1_UsageFault_IRQn 0 */
+  }
+}
+
+/**
+  * @brief This function handles System service call via SWI instruction.
+  */
+void SVC_Handler(void)
+{
+  /* USER CODE BEGIN SVCall_IRQn 0 */
+
+  /* USER CODE END SVCall_IRQn 0 */
+  /* USER CODE BEGIN SVCall_IRQn 1 */
+
+  /* USER CODE END SVCall_IRQn 1 */
+}
+
+/**
+  * @brief This function handles Debug monitor.
+  */
+void DebugMon_Handler(void)
+{
+  /* USER CODE BEGIN DebugMonitor_IRQn 0 */
+
+  /* USER CODE END DebugMonitor_IRQn 0 */
+  /* USER CODE BEGIN DebugMonitor_IRQn 1 */
+
+  /* USER CODE END DebugMonitor_IRQn 1 */
+}
+
+/**
+  * @brief This function handles Pendable request for system service.
+  */
+void PendSV_Handler(void)
+{
+  /* USER CODE BEGIN PendSV_IRQn 0 */
+
+  /* USER CODE END PendSV_IRQn 0 */
+  /* USER CODE BEGIN PendSV_IRQn 1 */
+
+  /* USER CODE END PendSV_IRQn 1 */
+}
+
+/**
+  * @brief This function handles System tick timer.
+  */
+void SysTick_Handler(void)
+{
+  /* USER CODE BEGIN SysTick_IRQn 0 */
+
+  /* USER CODE END SysTick_IRQn 0 */
+  HAL_IncTick();
+  /* USER CODE BEGIN SysTick_IRQn 1 */
+
+  /* USER CODE END SysTick_IRQn 1 */
+}
+
+/******************************************************************************/
+/* STM32H7xx Peripheral Interrupt Handlers                                    */
+/* Add here the Interrupt Handlers for the used peripherals.                  */
+/* For the available peripheral interrupt handler names,                      */
+/* please refer to the startup file (startup_stm32h7xx.s).                    */
+/******************************************************************************/
+
+/**
+  * @brief This function handles DMA1 stream0 global interrupt.
+  */
+void DMA1_Stream0_IRQHandler(void)
+{
+  /* USER CODE BEGIN DMA1_Stream0_IRQn 0 */
+
+  /* USER CODE END DMA1_Stream0_IRQn 0 */
+  HAL_DMA_IRQHandler(&hdma_adc1);
+  /* USER CODE BEGIN DMA1_Stream0_IRQn 1 */
+
+  /* USER CODE END DMA1_Stream0_IRQn 1 */
+}
+
+/**
+  * @brief This function handles DMA1 stream1 global interrupt.
+  */
+void DMA1_Stream1_IRQHandler(void)
+{
+  /* USER CODE BEGIN DMA1_Stream1_IRQn 0 */
+
+  /* USER CODE END DMA1_Stream1_IRQn 0 */
+  HAL_DMA_IRQHandler(&hdma_adc2);
+  /* USER CODE BEGIN DMA1_Stream1_IRQn 1 */
+
+  /* USER CODE END DMA1_Stream1_IRQn 1 */
+}
+
+/**
+  * @brief This function handles DMA1 stream2 global interrupt.
+  */
+void DMA1_Stream2_IRQHandler(void)
+{
+  /* USER CODE BEGIN DMA1_Stream2_IRQn 0 */
+
+  /* USER CODE END DMA1_Stream2_IRQn 0 */
+  HAL_DMA_IRQHandler(&hdma_dac1_ch2);
+  /* USER CODE BEGIN DMA1_Stream2_IRQn 1 */
+
+  /* USER CODE END DMA1_Stream2_IRQn 1 */
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
diff --git a/Core/Src/system_stm32h7xx.c b/Core/Src/system_stm32h7xx.c
new file mode 100644
index 0000000..851ebcb
--- /dev/null
+++ b/Core/Src/system_stm32h7xx.c
@@ -0,0 +1,450 @@
+/**
+  ******************************************************************************
+  * @file    system_stm32h7xx.c
+  * @author  MCD Application Team
+  * @brief   CMSIS Cortex-Mx Device Peripheral Access Layer System Source File.
+  *
+  *   This file provides two functions and one global variable to be called from
+  *   user application:
+  *      - SystemInit(): This function is called at startup just after reset and
+  *                      before branch to main program. This call is made inside
+  *                      the "startup_stm32h7xx.s" file.
+  *
+  *      - SystemCoreClock variable: Contains the core clock, it can be used
+  *                                  by the user application to setup the SysTick
+  *                                  timer or configure other parameters.
+  *
+  *      - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must
+  *                                 be called whenever the core clock is changed
+  *                                 during program execution.
+  *
+  *
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2017 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+
+/** @addtogroup CMSIS
+  * @{
+  */
+
+/** @addtogroup stm32h7xx_system
+  * @{
+  */
+
+/** @addtogroup STM32H7xx_System_Private_Includes
+  * @{
+  */
+
+#include "stm32h7xx.h"
+#include <math.h>
+
+#if !defined  (HSE_VALUE)
+#define HSE_VALUE    ((uint32_t)25000000) /*!< Value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#if !defined  (CSI_VALUE)
+  #define CSI_VALUE    ((uint32_t)4000000) /*!< Value of the Internal oscillator in Hz*/
+#endif /* CSI_VALUE */
+
+#if !defined  (HSI_VALUE)
+  #define HSI_VALUE    ((uint32_t)64000000) /*!< Value of the Internal oscillator in Hz*/
+#endif /* HSI_VALUE */
+
+
+/**
+  * @}
+  */
+
+/** @addtogroup STM32H7xx_System_Private_TypesDefinitions
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @addtogroup STM32H7xx_System_Private_Defines
+  * @{
+  */
+
+/************************* Miscellaneous Configuration ************************/
+/*!< Uncomment the following line if you need to use initialized data in D2 domain SRAM (AHB SRAM) */
+/* #define DATA_IN_D2_SRAM */
+
+/* Note: Following vector table addresses must be defined in line with linker
+         configuration. */
+/*!< Uncomment the following line if you need to relocate the vector table
+     anywhere in FLASH BANK1 or AXI SRAM, else the vector table is kept at the automatic
+     remap of boot address selected */
+/* #define USER_VECT_TAB_ADDRESS */
+
+#if defined(USER_VECT_TAB_ADDRESS)
+#if defined(DUAL_CORE) && defined(CORE_CM4)
+/*!< Uncomment the following line if you need to relocate your vector Table
+     in D2 AXI SRAM else user remap will be done in FLASH BANK2. */
+/* #define VECT_TAB_SRAM */
+#if defined(VECT_TAB_SRAM)
+#define VECT_TAB_BASE_ADDRESS   D2_AXISRAM_BASE   /*!< Vector Table base address field.
+                                                       This value must be a multiple of 0x400. */
+#define VECT_TAB_OFFSET         0x00000000U       /*!< Vector Table base offset field.
+                                                       This value must be a multiple of 0x400. */
+#else
+#define VECT_TAB_BASE_ADDRESS   FLASH_BANK2_BASE  /*!< Vector Table base address field.
+                                                       This value must be a multiple of 0x400. */
+#define VECT_TAB_OFFSET         0x00000000U       /*!< Vector Table base offset field.
+                                                       This value must be a multiple of 0x400. */
+#endif /* VECT_TAB_SRAM */
+#else
+/*!< Uncomment the following line if you need to relocate your vector Table
+     in D1 AXI SRAM else user remap will be done in FLASH BANK1. */
+/* #define VECT_TAB_SRAM */
+#if defined(VECT_TAB_SRAM)
+#define VECT_TAB_BASE_ADDRESS   D1_AXISRAM_BASE   /*!< Vector Table base address field.
+                                                       This value must be a multiple of 0x400. */
+#define VECT_TAB_OFFSET         0x00000000U       /*!< Vector Table base offset field.
+                                                       This value must be a multiple of 0x400. */
+#else
+#define VECT_TAB_BASE_ADDRESS   FLASH_BANK1_BASE  /*!< Vector Table base address field.
+                                                       This value must be a multiple of 0x400. */
+#define VECT_TAB_OFFSET         0x00000000U       /*!< Vector Table base offset field.
+                                                       This value must be a multiple of 0x400. */
+#endif /* VECT_TAB_SRAM */
+#endif /* DUAL_CORE && CORE_CM4 */
+#endif /* USER_VECT_TAB_ADDRESS */
+/******************************************************************************/
+
+/**
+  * @}
+  */
+
+/** @addtogroup STM32H7xx_System_Private_Macros
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @addtogroup STM32H7xx_System_Private_Variables
+  * @{
+  */
+  /* This variable is updated in three ways:
+      1) by calling CMSIS function SystemCoreClockUpdate()
+      2) by calling HAL API function HAL_RCC_GetHCLKFreq()
+      3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
+         Note: If you use this function to configure the system clock; then there
+               is no need to call the 2 first functions listed above, since SystemCoreClock
+               variable is updated automatically.
+  */
+  uint32_t SystemCoreClock = 64000000;
+  uint32_t SystemD2Clock = 64000000;
+  const  uint8_t D1CorePrescTable[16] = {0, 0, 0, 0, 1, 2, 3, 4, 1, 2, 3, 4, 6, 7, 8, 9};
+
+/**
+  * @}
+  */
+
+/** @addtogroup STM32H7xx_System_Private_FunctionPrototypes
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @addtogroup STM32H7xx_System_Private_Functions
+  * @{
+  */
+
+/**
+  * @brief  Setup the microcontroller system
+  *         Initialize the FPU setting and  vector table location
+  *         configuration.
+  * @param  None
+  * @retval None
+  */
+void SystemInit (void)
+{
+#if defined (DATA_IN_D2_SRAM)
+ __IO uint32_t tmpreg;
+#endif /* DATA_IN_D2_SRAM */
+
+  /* FPU settings ------------------------------------------------------------*/
+  #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
+    SCB->CPACR |= ((3UL << (10*2))|(3UL << (11*2)));  /* set CP10 and CP11 Full Access */
+  #endif
+  /* Reset the RCC clock configuration to the default reset state ------------*/
+
+   /* Increasing the CPU frequency */
+  if(FLASH_LATENCY_DEFAULT  > (READ_BIT((FLASH->ACR), FLASH_ACR_LATENCY)))
+  {
+    /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */
+    MODIFY_REG(FLASH->ACR, FLASH_ACR_LATENCY, (uint32_t)(FLASH_LATENCY_DEFAULT));
+  }
+
+  /* Set HSION bit */
+  RCC->CR |= RCC_CR_HSION;
+
+  /* Reset CFGR register */
+  RCC->CFGR = 0x00000000;
+
+  /* Reset HSEON, HSECSSON, CSION, HSI48ON, CSIKERON, PLL1ON, PLL2ON and PLL3ON bits */
+  RCC->CR &= 0xEAF6ED7FU;
+
+   /* Decreasing the number of wait states because of lower CPU frequency */
+  if(FLASH_LATENCY_DEFAULT  < (READ_BIT((FLASH->ACR), FLASH_ACR_LATENCY)))
+  {
+    /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */
+    MODIFY_REG(FLASH->ACR, FLASH_ACR_LATENCY, (uint32_t)(FLASH_LATENCY_DEFAULT));
+  }
+
+#if defined(D3_SRAM_BASE)
+  /* Reset D1CFGR register */
+  RCC->D1CFGR = 0x00000000;
+
+  /* Reset D2CFGR register */
+  RCC->D2CFGR = 0x00000000;
+
+  /* Reset D3CFGR register */
+  RCC->D3CFGR = 0x00000000;
+#else
+  /* Reset CDCFGR1 register */
+  RCC->CDCFGR1 = 0x00000000;
+
+  /* Reset CDCFGR2 register */
+  RCC->CDCFGR2 = 0x00000000;
+
+  /* Reset SRDCFGR register */
+  RCC->SRDCFGR = 0x00000000;
+#endif
+  /* Reset PLLCKSELR register */
+  RCC->PLLCKSELR = 0x02020200;
+
+  /* Reset PLLCFGR register */
+  RCC->PLLCFGR = 0x01FF0000;
+  /* Reset PLL1DIVR register */
+  RCC->PLL1DIVR = 0x01010280;
+  /* Reset PLL1FRACR register */
+  RCC->PLL1FRACR = 0x00000000;
+
+  /* Reset PLL2DIVR register */
+  RCC->PLL2DIVR = 0x01010280;
+
+  /* Reset PLL2FRACR register */
+
+  RCC->PLL2FRACR = 0x00000000;
+  /* Reset PLL3DIVR register */
+  RCC->PLL3DIVR = 0x01010280;
+
+  /* Reset PLL3FRACR register */
+  RCC->PLL3FRACR = 0x00000000;
+
+  /* Reset HSEBYP bit */
+  RCC->CR &= 0xFFFBFFFFU;
+
+  /* Disable all interrupts */
+  RCC->CIER = 0x00000000;
+
+#if (STM32H7_DEV_ID == 0x450UL)
+  /* dual core CM7 or single core line */
+  if((DBGMCU->IDCODE & 0xFFFF0000U) < 0x20000000U)
+  {
+    /* if stm32h7 revY*/
+    /* Change  the switch matrix read issuing capability to 1 for the AXI SRAM target (Target 7) */
+    *((__IO uint32_t*)0x51008108) = 0x000000001U;
+  }
+#endif /* STM32H7_DEV_ID */
+
+#if defined(DATA_IN_D2_SRAM)
+  /* in case of initialized data in D2 SRAM (AHB SRAM), enable the D2 SRAM clock (AHB SRAM clock) */
+#if defined(RCC_AHB2ENR_D2SRAM3EN)
+  RCC->AHB2ENR |= (RCC_AHB2ENR_D2SRAM1EN | RCC_AHB2ENR_D2SRAM2EN | RCC_AHB2ENR_D2SRAM3EN);
+#elif defined(RCC_AHB2ENR_D2SRAM2EN)
+  RCC->AHB2ENR |= (RCC_AHB2ENR_D2SRAM1EN | RCC_AHB2ENR_D2SRAM2EN);
+#else
+  RCC->AHB2ENR |= (RCC_AHB2ENR_AHBSRAM1EN | RCC_AHB2ENR_AHBSRAM2EN);
+#endif /* RCC_AHB2ENR_D2SRAM3EN */
+
+  tmpreg = RCC->AHB2ENR;
+  (void) tmpreg;
+#endif /* DATA_IN_D2_SRAM */
+
+#if defined(DUAL_CORE) && defined(CORE_CM4)
+  /* Configure the Vector Table location add offset address for cortex-M4 ------------------*/
+#if defined(USER_VECT_TAB_ADDRESS)
+  SCB->VTOR = VECT_TAB_BASE_ADDRESS | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal D2 AXI-RAM or in Internal FLASH */
+#endif /* USER_VECT_TAB_ADDRESS */
+
+#else
+  /*
+   * Disable the FMC bank1 (enabled after reset).
+   * This, prevents CPU speculation access on this bank which blocks the use of FMC during
+   * 24us. During this time the others FMC master (such as LTDC) cannot use it!
+   */
+  FMC_Bank1_R->BTCR[0] = 0x000030D2;
+
+  /* Configure the Vector Table location -------------------------------------*/
+#if defined(USER_VECT_TAB_ADDRESS)
+  SCB->VTOR = VECT_TAB_BASE_ADDRESS | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal D1 AXI-RAM or in Internal FLASH */
+#endif /* USER_VECT_TAB_ADDRESS */
+
+#endif /*DUAL_CORE && CORE_CM4*/
+}
+
+/**
+   * @brief  Update SystemCoreClock variable according to Clock Register Values.
+  *         The SystemCoreClock variable contains the core clock , it can
+  *         be used by the user application to setup the SysTick timer or configure
+  *         other parameters.
+  *
+  * @note   Each time the core clock changes, this function must be called
+  *         to update SystemCoreClock variable value. Otherwise, any configuration
+  *         based on this variable will be incorrect.
+  *
+  * @note   - The system frequency computed by this function is not the real
+  *           frequency in the chip. It is calculated based on the predefined
+  *           constant and the selected clock source:
+  *
+  *           - If SYSCLK source is CSI, SystemCoreClock will contain the CSI_VALUE(*)
+  *           - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(**)
+  *           - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(***)
+  *           - If SYSCLK source is PLL, SystemCoreClock will contain the CSI_VALUE(*),
+  *             HSI_VALUE(**) or HSE_VALUE(***) multiplied/divided by the PLL factors.
+  *
+  *         (*) CSI_VALUE is a constant defined in stm32h7xx_hal.h file (default value
+  *             4 MHz) but the real value may vary depending on the variations
+  *             in voltage and temperature.
+  *         (**) HSI_VALUE is a constant defined in stm32h7xx_hal.h file (default value
+  *             64 MHz) but the real value may vary depending on the variations
+  *             in voltage and temperature.
+  *
+  *         (***)HSE_VALUE is a constant defined in stm32h7xx_hal.h file (default value
+  *              25 MHz), user has to ensure that HSE_VALUE is same as the real
+  *              frequency of the crystal used. Otherwise, this function may
+  *              have wrong result.
+  *
+  *         - The result of this function could be not correct when using fractional
+  *           value for HSE crystal.
+  * @param  None
+  * @retval None
+  */
+void SystemCoreClockUpdate (void)
+{
+  uint32_t pllp, pllsource, pllm, pllfracen, hsivalue, tmp;
+  uint32_t common_system_clock;
+  float_t fracn1, pllvco;
+
+
+  /* Get SYSCLK source -------------------------------------------------------*/
+
+  switch (RCC->CFGR & RCC_CFGR_SWS)
+  {
+  case RCC_CFGR_SWS_HSI:  /* HSI used as system clock source */
+    common_system_clock = (uint32_t) (HSI_VALUE >> ((RCC->CR & RCC_CR_HSIDIV)>> 3));
+    break;
+
+  case RCC_CFGR_SWS_CSI:  /* CSI used as system clock  source */
+    common_system_clock = CSI_VALUE;
+    break;
+
+  case RCC_CFGR_SWS_HSE:  /* HSE used as system clock  source */
+    common_system_clock = HSE_VALUE;
+    break;
+
+  case RCC_CFGR_SWS_PLL1:  /* PLL1 used as system clock  source */
+
+    /* PLL_VCO = (HSE_VALUE or HSI_VALUE or CSI_VALUE/ PLLM) * PLLN
+    SYSCLK = PLL_VCO / PLLR
+    */
+    pllsource = (RCC->PLLCKSELR & RCC_PLLCKSELR_PLLSRC);
+    pllm = ((RCC->PLLCKSELR & RCC_PLLCKSELR_DIVM1)>> 4)  ;
+    pllfracen = ((RCC->PLLCFGR & RCC_PLLCFGR_PLL1FRACEN)>>RCC_PLLCFGR_PLL1FRACEN_Pos);
+    fracn1 = (float_t)(uint32_t)(pllfracen* ((RCC->PLL1FRACR & RCC_PLL1FRACR_FRACN1)>> 3));
+
+    if (pllm != 0U)
+    {
+      switch (pllsource)
+      {
+        case RCC_PLLCKSELR_PLLSRC_HSI:  /* HSI used as PLL clock source */
+
+        hsivalue = (HSI_VALUE >> ((RCC->CR & RCC_CR_HSIDIV)>> 3)) ;
+        pllvco = ( (float_t)hsivalue / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 );
+
+        break;
+
+        case RCC_PLLCKSELR_PLLSRC_CSI:  /* CSI used as PLL clock source */
+          pllvco = ((float_t)CSI_VALUE / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 );
+        break;
+
+        case RCC_PLLCKSELR_PLLSRC_HSE:  /* HSE used as PLL clock source */
+          pllvco = ((float_t)HSE_VALUE / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 );
+        break;
+
+      default:
+          hsivalue = (HSI_VALUE >> ((RCC->CR & RCC_CR_HSIDIV)>> 3)) ;
+          pllvco = ((float_t)hsivalue / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 );
+        break;
+      }
+      pllp = (((RCC->PLL1DIVR & RCC_PLL1DIVR_P1) >>9) + 1U ) ;
+      common_system_clock =  (uint32_t)(float_t)(pllvco/(float_t)pllp);
+    }
+    else
+    {
+      common_system_clock = 0U;
+    }
+    break;
+
+  default:
+    common_system_clock = (uint32_t) (HSI_VALUE >> ((RCC->CR & RCC_CR_HSIDIV)>> 3));
+    break;
+  }
+
+  /* Compute SystemClock frequency --------------------------------------------------*/
+#if defined (RCC_D1CFGR_D1CPRE)
+  tmp = D1CorePrescTable[(RCC->D1CFGR & RCC_D1CFGR_D1CPRE)>> RCC_D1CFGR_D1CPRE_Pos];
+
+  /* common_system_clock frequency : CM7 CPU frequency  */
+  common_system_clock >>= tmp;
+
+  /* SystemD2Clock frequency : CM4 CPU, AXI and AHBs Clock frequency  */
+  SystemD2Clock = (common_system_clock >> ((D1CorePrescTable[(RCC->D1CFGR & RCC_D1CFGR_HPRE)>> RCC_D1CFGR_HPRE_Pos]) & 0x1FU));
+
+#else
+  tmp = D1CorePrescTable[(RCC->CDCFGR1 & RCC_CDCFGR1_CDCPRE)>> RCC_CDCFGR1_CDCPRE_Pos];
+
+  /* common_system_clock frequency : CM7 CPU frequency  */
+  common_system_clock >>= tmp;
+
+  /* SystemD2Clock frequency : AXI and AHBs Clock frequency  */
+  SystemD2Clock = (common_system_clock >> ((D1CorePrescTable[(RCC->CDCFGR1 & RCC_CDCFGR1_HPRE)>> RCC_CDCFGR1_HPRE_Pos]) & 0x1FU));
+
+#endif
+
+#if defined(DUAL_CORE) && defined(CORE_CM4)
+  SystemCoreClock = SystemD2Clock;
+#else
+  SystemCoreClock = common_system_clock;
+#endif /* DUAL_CORE && CORE_CM4 */
+}
+
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
-- 
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