diff --git a/Core/Inc/i2c.h b/Core/Inc/i2c.h
new file mode 100644
index 0000000..dcdd711
--- /dev/null
+++ b/Core/Inc/i2c.h
@@ -0,0 +1,51 @@
+/**
+ ******************************************************************************
+ * @file i2c.h
+ * @brief This file contains all the function prototypes for
+ * the i2c.c file
+ ******************************************************************************
+ * @attention
+ *
+ * © Copyright (c) 2021 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __I2C_H__
+#define __I2C_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_I2C2_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __I2C_H__ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Core/Inc/stm32wlxx_nucleo_bus.h b/Core/Inc/stm32wlxx_nucleo_bus.h
new file mode 100644
index 0000000..753ac45
--- /dev/null
+++ b/Core/Inc/stm32wlxx_nucleo_bus.h
@@ -0,0 +1,139 @@
+/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * @file : stm32wlxx_nucleo_bus.h
+ * @brief : header file for the BSP BUS IO driver
+ ******************************************************************************
+ * @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 */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef STM32WLXX_NUCLEO_BUS_H
+#define STM32WLXX_NUCLEO_BUS_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32wlxx_nucleo_conf.h"
+#include "stm32wlxx_nucleo_errno.h"
+
+/** @addtogroup BSP
+ * @{
+ */
+
+/** @addtogroup STM32WLXX_NUCLEO
+ * @{
+ */
+
+/** @defgroup STM32WLXX_NUCLEO_BUS STM32WLXX_NUCLEO BUS
+ * @{
+ */
+
+/** @defgroup STM32WLXX_NUCLEO_BUS_Exported_Constants STM32WLXX_NUCLEO BUS Exported Constants
+ * @{
+ */
+
+#define BUS_I2C2_INSTANCE I2C2
+#define BUS_I2C2_SCL_GPIO_AF GPIO_AF4_I2C2
+#define BUS_I2C2_SCL_GPIO_PORT GPIOA
+#define BUS_I2C2_SCL_GPIO_CLK_DISABLE() __HAL_RCC_GPIOA_CLK_DISABLE()
+#define BUS_I2C2_SCL_GPIO_PIN GPIO_PIN_12
+#define BUS_I2C2_SCL_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
+#define BUS_I2C2_SDA_GPIO_CLK_DISABLE() __HAL_RCC_GPIOA_CLK_DISABLE()
+#define BUS_I2C2_SDA_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
+#define BUS_I2C2_SDA_GPIO_PORT GPIOA
+#define BUS_I2C2_SDA_GPIO_PIN GPIO_PIN_11
+#define BUS_I2C2_SDA_GPIO_AF GPIO_AF4_I2C2
+
+#ifndef BUS_I2C2_POLL_TIMEOUT
+ #define BUS_I2C2_POLL_TIMEOUT 0x1000U
+#endif
+/* I2C2 Frequeny in Hz */
+#ifndef BUS_I2C2_FREQUENCY
+ #define BUS_I2C2_FREQUENCY 1000000U /* Frequency of I2Cn = 100 KHz*/
+#endif
+
+/**
+ * @}
+ */
+
+/** @defgroup STM32WLXX_NUCLEO_BUS_Private_Types STM32WLXX_NUCLEO BUS Private types
+ * @{
+ */
+#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1U)
+typedef struct
+{
+ pI2C_CallbackTypeDef pMspInitCb;
+ pI2C_CallbackTypeDef pMspDeInitCb;
+}BSP_I2C_Cb_t;
+#endif /* (USE_HAL_I2C_REGISTER_CALLBACKS == 1U) */
+/**
+ * @}
+ */
+
+/** @defgroup STM32WLXX_NUCLEO_LOW_LEVEL_Exported_Variables LOW LEVEL Exported Constants
+ * @{
+ */
+
+extern I2C_HandleTypeDef hi2c2;
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32WLXX_NUCLEO_BUS_Exported_Functions
+ * @{
+ */
+
+/* BUS IO driver over I2C Peripheral */
+HAL_StatusTypeDef MX_I2C2_Init(I2C_HandleTypeDef* hi2c);
+int32_t BSP_I2C2_Init(void);
+int32_t BSP_I2C2_DeInit(void);
+int32_t BSP_I2C2_IsReady(uint16_t DevAddr, uint32_t Trials);
+int32_t BSP_I2C2_WriteReg(uint16_t Addr, uint16_t Reg, uint8_t *pData, uint16_t Length);
+int32_t BSP_I2C2_ReadReg(uint16_t Addr, uint16_t Reg, uint8_t *pData, uint16_t Length);
+int32_t BSP_I2C2_WriteReg16(uint16_t Addr, uint16_t Reg, uint8_t *pData, uint16_t Length);
+int32_t BSP_I2C2_ReadReg16(uint16_t Addr, uint16_t Reg, uint8_t *pData, uint16_t Length);
+int32_t BSP_I2C2_Send(uint16_t DevAddr, uint8_t *pData, uint16_t Length);
+int32_t BSP_I2C2_Recv(uint16_t DevAddr, uint8_t *pData, uint16_t Length);
+int32_t BSP_I2C2_SendRecv(uint16_t DevAddr, uint8_t *pTxdata, uint8_t *pRxdata, uint16_t Length);
+#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1U)
+int32_t BSP_I2C2_RegisterDefaultMspCallbacks (void);
+int32_t BSP_I2C2_RegisterMspCallbacks (BSP_I2C_Cb_t *Callbacks);
+#endif /* (USE_HAL_I2C_REGISTER_CALLBACKS == 1U) */
+
+int32_t BSP_GetTick(void);
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32WLXX_NUCLEO_BUS_H */
+
diff --git a/Core/Src/i2c.c b/Core/Src/i2c.c
new file mode 100644
index 0000000..c5728ce
--- /dev/null
+++ b/Core/Src/i2c.c
@@ -0,0 +1,201 @@
+/**
+ ******************************************************************************
+ * @file i2c.c
+ * @brief This file provides code for the configuration
+ * of the I2C instances.
+ ******************************************************************************
+ * @attention
+ *
+ * © Copyright (c) 2021 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "i2c.h"
+#include "main.h"
+/* USER CODE BEGIN 0 */
+extern I2C_HandleTypeDef hi2c2;
+DMA_HandleTypeDef hdma_i2c2_rx;
+DMA_HandleTypeDef hdma_i2c2_tx;
+/* USER CODE END 0 */
+
+/* I2C2 init function */
+/**
+ * @brief I2C2 Initialization Function
+ * @param None
+ * @retval None
+ */
+void MX_I2C2_Init(void)
+{
+
+ /* USER CODE BEGIN I2C2_Init 0 */
+
+ /* USER CODE END I2C2_Init 0 */
+
+ /* USER CODE BEGIN I2C2_Init 1 */
+
+ /* USER CODE END I2C2_Init 1 */
+ hi2c2.Instance = I2C2;
+#ifdef L8
+ hi2c2.Init.Timing = I2C2_FAST_PLUS_1M;
+#else
+ hi2c2.Init.Timing = I2C2_STANDARD_100K;
+#endif
+ hi2c2.Init.OwnAddress1 = 0;
+ hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
+ hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
+ hi2c2.Init.OwnAddress2 = 0;
+ hi2c2.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
+ hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
+ hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
+ if (HAL_I2C_Init(&hi2c2) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+ /** Configure Analogue filter
+ */
+ if (HAL_I2CEx_ConfigAnalogFilter(&hi2c2, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ /** Configure Digital filter
+ */
+ if (HAL_I2CEx_ConfigDigitalFilter(&hi2c2, 0) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ /* USER CODE BEGIN I2C2_Init 2 */
+
+ /* USER CODE END I2C2_Init 2 */
+
+}
+
+void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle)
+{
+
+ GPIO_InitTypeDef GPIO_InitStruct = {0};
+ RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
+ if(i2cHandle->Instance==I2C2)
+ {
+ /* USER CODE BEGIN I2C2_MspInit 0 */
+
+ /* USER CODE END I2C2_MspInit 0 */
+
+ /** Initializes the peripherals clocks
+ */
+ PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C2;
+ PeriphClkInitStruct.I2c2ClockSelection = RCC_I2C2CLKSOURCE_PCLK1;
+ if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+
+ __HAL_RCC_GPIOA_CLK_ENABLE();
+ /**I2C2 GPIO Configuration
+ PA12 ------> I2C2_SCL
+ PA11 ------> I2C2_SDA
+ */
+ GPIO_InitStruct.Pin = I2C2_SCL_PIN|I2C2_SDA_PIN;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
+ GPIO_InitStruct.Pull = GPIO_NOPULL; //GPIO_PULLUP;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF4_I2C2;
+ HAL_GPIO_Init(I2C2_SCL_PORT, &GPIO_InitStruct);
+
+ /* I2C2 clock enable */
+ __HAL_RCC_I2C2_CLK_ENABLE();
+
+ /* I2C2 DMA Init */
+ /* I2C2_RX Init */
+ hdma_i2c2_rx.Instance = DMA1_Channel4;
+ hdma_i2c2_rx.Init.Request = DMA_REQUEST_I2C2_RX;
+ hdma_i2c2_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
+ hdma_i2c2_rx.Init.PeriphInc = DMA_PINC_DISABLE;
+ hdma_i2c2_rx.Init.MemInc = DMA_MINC_ENABLE;
+ hdma_i2c2_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
+ hdma_i2c2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
+ hdma_i2c2_rx.Init.Mode = DMA_NORMAL;
+ hdma_i2c2_rx.Init.Priority = DMA_PRIORITY_LOW;
+ if (HAL_DMA_Init(&hdma_i2c2_rx) != HAL_OK)
+ {
+ Error_Handler();
+ }
+#ifdef STM32WL55xx
+ if (HAL_DMA_ConfigChannelAttributes(&hdma_i2c2_rx, DMA_CHANNEL_NPRIV) != HAL_OK)
+ {
+ Error_Handler();
+ }
+#endif
+ __HAL_LINKDMA(i2cHandle,hdmarx,hdma_i2c2_rx);
+
+ /* I2C2_TX Init */
+ hdma_i2c2_tx.Instance = DMA1_Channel5;
+ hdma_i2c2_tx.Init.Request = DMA_REQUEST_I2C2_TX;
+ hdma_i2c2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
+ hdma_i2c2_tx.Init.PeriphInc = DMA_PINC_DISABLE;
+ hdma_i2c2_tx.Init.MemInc = DMA_MINC_ENABLE;
+ hdma_i2c2_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
+ hdma_i2c2_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
+ hdma_i2c2_tx.Init.Mode = DMA_NORMAL;
+ hdma_i2c2_tx.Init.Priority = DMA_PRIORITY_LOW;
+ if (HAL_DMA_Init(&hdma_i2c2_tx) != HAL_OK)
+ {
+ Error_Handler();
+ }
+#ifdef STM32WL55xx
+ if (HAL_DMA_ConfigChannelAttributes(&hdma_i2c2_tx, DMA_CHANNEL_NPRIV) != HAL_OK)
+ {
+ Error_Handler();
+ }
+#endif
+ __HAL_LINKDMA(i2cHandle,hdmatx,hdma_i2c2_tx);
+
+ /* USER CODE BEGIN I2C2_MspInit 1 */
+
+ /* USER CODE END I2C2_MspInit 1 */
+ }
+}
+
+void HAL_I2C_MspDeInit(I2C_HandleTypeDef* i2cHandle)
+{
+
+ if(i2cHandle->Instance==I2C2)
+ {
+ /* USER CODE BEGIN I2C2_MspDeInit 0 */
+
+ /* USER CODE END I2C2_MspDeInit 0 */
+ /* Peripheral clock disable */
+ __HAL_RCC_I2C2_CLK_DISABLE();
+
+ /**I2C2 GPIO Configuration
+ PA12 ------> I2C2_SCL
+ PA11 ------> I2C2_SDA
+ */
+ HAL_GPIO_DeInit(I2C2_SCL_PORT, I2C2_SCL_PIN);
+
+ HAL_GPIO_DeInit(I2C2_SCL_PORT, I2C2_SDA_PIN);
+
+ /* I2C2 DMA DeInit */
+ HAL_DMA_DeInit(i2cHandle->hdmarx);
+ HAL_DMA_DeInit(i2cHandle->hdmatx);
+
+ /* USER CODE BEGIN I2C2_MspDeInit 1 */
+
+ /* USER CODE END I2C2_MspDeInit 1 */
+ }
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/