mbed official
The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Dependents: hello SerialTestv11 SerialTestv12 Sierpinski ... more
mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
Diff: TARGET_NUCLEO_L432KC/stm32l4xx_hal_i2c.h
- Revision:
- 122:f9eeca106725
diff -r 6c34061e7c34 -r f9eeca106725 TARGET_NUCLEO_L432KC/stm32l4xx_hal_i2c.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_NUCLEO_L432KC/stm32l4xx_hal_i2c.h Thu Jul 07 14:34:11 2016 +0100
@@ -0,0 +1,709 @@
+/**
+ ******************************************************************************
+ * @file stm32l4xx_hal_i2c.h
+ * @author MCD Application Team
+ * @version V1.5.1
+ * @date 31-May-2016
+ * @brief Header file of I2C HAL module.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L4xx_HAL_I2C_H
+#define __STM32L4xx_HAL_I2C_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l4xx_hal_def.h"
+
+/** @addtogroup STM32L4xx_HAL_Driver
+ * @{
+ */
+
+/** @addtogroup I2C
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+/** @defgroup I2C_Exported_Types I2C Exported Types
+ * @{
+ */
+
+/** @defgroup I2C_Configuration_Structure_definition I2C Configuration Structure definition
+ * @brief I2C Configuration Structure definition
+ * @{
+ */
+typedef struct
+{
+ uint32_t Timing; /*!< Specifies the I2C_TIMINGR_register value.
+ This parameter calculated by referring to I2C initialization
+ section in Reference manual */
+
+ uint32_t OwnAddress1; /*!< Specifies the first device own address.
+ This parameter can be a 7-bit or 10-bit address. */
+
+ uint32_t AddressingMode; /*!< Specifies if 7-bit or 10-bit addressing mode is selected.
+ This parameter can be a value of @ref I2C_ADDRESSING_MODE */
+
+ uint32_t DualAddressMode; /*!< Specifies if dual addressing mode is selected.
+ This parameter can be a value of @ref I2C_DUAL_ADDRESSING_MODE */
+
+ uint32_t OwnAddress2; /*!< Specifies the second device own address if dual addressing mode is selected
+ This parameter can be a 7-bit address. */
+
+ uint32_t OwnAddress2Masks; /*!< Specifies the acknowledge mask address second device own address if dual addressing mode is selected
+ This parameter can be a value of @ref I2C_OWN_ADDRESS2_MASKS */
+
+ uint32_t GeneralCallMode; /*!< Specifies if general call mode is selected.
+ This parameter can be a value of @ref I2C_GENERAL_CALL_ADDRESSING_MODE */
+
+ uint32_t NoStretchMode; /*!< Specifies if nostretch mode is selected.
+ This parameter can be a value of @ref I2C_NOSTRETCH_MODE */
+
+}I2C_InitTypeDef;
+
+/**
+ * @}
+ */
+
+/** @defgroup HAL_state_structure_definition HAL state structure definition
+ * @brief HAL State structure definition
+ * @note HAL I2C State value coding follow below described bitmap :\n
+ * b7-b6 Error information\n
+ * 00 : No Error\n
+ * 01 : Abort (Abort user request on going)\n
+ * 10 : Timeout\n
+ * 11 : Error\n
+ * b5 IP initilisation status\n
+ * 0 : Reset (IP not initialized)\n
+ * 1 : Init done (IP initialized and ready to use. HAL I2C Init function called)\n
+ * b4 (not used)\n
+ * x : Should be set to 0\n
+ * b3\n
+ * 0 : Ready or Busy (No Listen mode ongoing)\n
+ * 1 : Listen (IP in Address Listen Mode)\n
+ * b2 Intrinsic process state\n
+ * 0 : Ready\n
+ * 1 : Busy (IP busy with some configuration or internal operations)\n
+ * b1 Rx state\n
+ * 0 : Ready (no Rx operation ongoing)\n
+ * 1 : Busy (Rx operation ongoing)\n
+ * b0 Tx state\n
+ * 0 : Ready (no Tx operation ongoing)\n
+ * 1 : Busy (Tx operation ongoing)
+ * @{
+ */
+typedef enum
+{
+ HAL_I2C_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized */
+ HAL_I2C_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use */
+ HAL_I2C_STATE_BUSY = 0x24U, /*!< An internal process is ongoing */
+ HAL_I2C_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing */
+ HAL_I2C_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */
+ HAL_I2C_STATE_LISTEN = 0x28U, /*!< Address Listen Mode is ongoing */
+ HAL_I2C_STATE_BUSY_TX_LISTEN = 0x29U, /*!< Address Listen Mode and Data Transmission
+ process is ongoing */
+ HAL_I2C_STATE_BUSY_RX_LISTEN = 0x2AU, /*!< Address Listen Mode and Data Reception
+ process is ongoing */
+ HAL_I2C_STATE_ABORT = 0x60U, /*!< Abort user request ongoing */
+ HAL_I2C_STATE_TIMEOUT = 0xA0U, /*!< Timeout state */
+ HAL_I2C_STATE_ERROR = 0xE0U /*!< Error */
+
+}HAL_I2C_StateTypeDef;
+
+/**
+ * @}
+ */
+
+/** @defgroup HAL_mode_structure_definition HAL mode structure definition
+ * @brief HAL Mode structure definition
+ * @note HAL I2C Mode value coding follow below described bitmap :\n
+ * b7 (not used)\n
+ * x : Should be set to 0\n
+ * b6\n
+ * 0 : None\n
+ * 1 : Memory (HAL I2C communication is in Memory Mode)\n
+ * b5\n
+ * 0 : None\n
+ * 1 : Slave (HAL I2C communication is in Slave Mode)\n
+ * b4\n
+ * 0 : None\n
+ * 1 : Master (HAL I2C communication is in Master Mode)\n
+ * b3-b2-b1-b0 (not used)\n
+ * xxxx : Should be set to 0000
+ * @{
+ */
+typedef enum
+{
+ HAL_I2C_MODE_NONE = 0x00U, /*!< No I2C communication on going */
+ HAL_I2C_MODE_MASTER = 0x10U, /*!< I2C communication is in Master Mode */
+ HAL_I2C_MODE_SLAVE = 0x20U, /*!< I2C communication is in Slave Mode */
+ HAL_I2C_MODE_MEM = 0x40U /*!< I2C communication is in Memory Mode */
+
+}HAL_I2C_ModeTypeDef;
+
+/**
+ * @}
+ */
+
+/** @defgroup I2C_Error_Code_definition I2C Error Code definition
+ * @brief I2C Error Code definition
+ * @{
+ */
+#define HAL_I2C_ERROR_NONE (0x00000000U) /*!< No error */
+#define HAL_I2C_ERROR_BERR (0x00000001U) /*!< BERR error */
+#define HAL_I2C_ERROR_ARLO (0x00000002U) /*!< ARLO error */
+#define HAL_I2C_ERROR_AF (0x00000004U) /*!< ACKF error */
+#define HAL_I2C_ERROR_OVR (0x00000008U) /*!< OVR error */
+#define HAL_I2C_ERROR_DMA (0x00000010U) /*!< DMA transfer error */
+#define HAL_I2C_ERROR_TIMEOUT (0x00000020U) /*!< Timeout error */
+#define HAL_I2C_ERROR_SIZE (0x00000040U) /*!< Size Management error */
+/**
+ * @}
+ */
+
+/** @defgroup I2C_handle_Structure_definition I2C handle Structure definition
+ * @brief I2C handle Structure definition
+ * @{
+ */
+typedef struct __I2C_HandleTypeDef
+{
+ I2C_TypeDef *Instance; /*!< I2C registers base address */
+
+ I2C_InitTypeDef Init; /*!< I2C communication parameters */
+
+ uint8_t *pBuffPtr; /*!< Pointer to I2C transfer buffer */
+
+ uint16_t XferSize; /*!< I2C transfer size */
+
+ __IO uint16_t XferCount; /*!< I2C transfer counter */
+
+ __IO uint32_t XferOptions; /*!< I2C sequantial transfer options, this parameter can
+ be a value of @ref I2C_XFEROPTIONS */
+
+ __IO uint32_t PreviousState; /*!< I2C communication Previous state */
+
+ HAL_StatusTypeDef (*XferISR)(struct __I2C_HandleTypeDef *hi2c, uint32_t ITFlags, uint32_t ITSources); /*!< I2C transfer IRQ handler function pointer */
+
+ DMA_HandleTypeDef *hdmatx; /*!< I2C Tx DMA handle parameters */
+
+ DMA_HandleTypeDef *hdmarx; /*!< I2C Rx DMA handle parameters */
+
+ HAL_LockTypeDef Lock; /*!< I2C locking object */
+
+ __IO HAL_I2C_StateTypeDef State; /*!< I2C communication state */
+
+ __IO HAL_I2C_ModeTypeDef Mode; /*!< I2C communication mode */
+
+ __IO uint32_t ErrorCode; /*!< I2C Error code */
+
+ __IO uint32_t AddrEventCount; /*!< I2C Address Event counter */
+}I2C_HandleTypeDef;
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup I2C_Exported_Constants I2C Exported Constants
+ * @{
+ */
+
+/** @defgroup I2C_XFEROPTIONS I2C Sequential Transfer Options
+ * @{
+ */
+#define I2C_NO_OPTION_FRAME (0xFFFF0000U)
+#define I2C_FIRST_FRAME ((uint32_t)I2C_SOFTEND_MODE)
+#define I2C_NEXT_FRAME ((uint32_t)(I2C_RELOAD_MODE | I2C_SOFTEND_MODE))
+#define I2C_FIRST_AND_LAST_FRAME ((uint32_t)I2C_AUTOEND_MODE)
+#define I2C_LAST_FRAME ((uint32_t)I2C_AUTOEND_MODE)
+/**
+ * @}
+ */
+
+/** @defgroup I2C_ADDRESSING_MODE I2C Addressing Mode
+ * @{
+ */
+#define I2C_ADDRESSINGMODE_7BIT (0x00000001U)
+#define I2C_ADDRESSINGMODE_10BIT (0x00000002U)
+/**
+ * @}
+ */
+
+/** @defgroup I2C_DUAL_ADDRESSING_MODE I2C Dual Addressing Mode
+ * @{
+ */
+#define I2C_DUALADDRESS_DISABLE (0x00000000U)
+#define I2C_DUALADDRESS_ENABLE I2C_OAR2_OA2EN
+/**
+ * @}
+ */
+
+/** @defgroup I2C_OWN_ADDRESS2_MASKS I2C Own Address2 Masks
+ * @{
+ */
+#define I2C_OA2_NOMASK ((uint8_t)0x00U)
+#define I2C_OA2_MASK01 ((uint8_t)0x01U)
+#define I2C_OA2_MASK02 ((uint8_t)0x02U)
+#define I2C_OA2_MASK03 ((uint8_t)0x03U)
+#define I2C_OA2_MASK04 ((uint8_t)0x04U)
+#define I2C_OA2_MASK05 ((uint8_t)0x05U)
+#define I2C_OA2_MASK06 ((uint8_t)0x06U)
+#define I2C_OA2_MASK07 ((uint8_t)0x07U)
+/**
+ * @}
+ */
+
+/** @defgroup I2C_GENERAL_CALL_ADDRESSING_MODE I2C General Call Addressing Mode
+ * @{
+ */
+#define I2C_GENERALCALL_DISABLE (0x00000000U)
+#define I2C_GENERALCALL_ENABLE I2C_CR1_GCEN
+/**
+ * @}
+ */
+
+/** @defgroup I2C_NOSTRETCH_MODE I2C No-Stretch Mode
+ * @{
+ */
+#define I2C_NOSTRETCH_DISABLE (0x00000000U)
+#define I2C_NOSTRETCH_ENABLE I2C_CR1_NOSTRETCH
+/**
+ * @}
+ */
+
+/** @defgroup I2C_MEMORY_ADDRESS_SIZE I2C Memory Address Size
+ * @{
+ */
+#define I2C_MEMADD_SIZE_8BIT (0x00000001U)
+#define I2C_MEMADD_SIZE_16BIT (0x00000002U)
+/**
+ * @}
+ */
+
+/** @defgroup I2C_XferDirection I2C Transfer Direction
+ * @{
+ */
+#define I2C_DIRECTION_TRANSMIT (0x00000000U)
+#define I2C_DIRECTION_RECEIVE (0x00000001U)
+/**
+ * @}
+ */
+
+/** @defgroup I2C_RELOAD_END_MODE I2C Reload End Mode
+ * @{
+ */
+#define I2C_RELOAD_MODE I2C_CR2_RELOAD
+#define I2C_AUTOEND_MODE I2C_CR2_AUTOEND
+#define I2C_SOFTEND_MODE (0x00000000U)
+/**
+ * @}
+ */
+
+/** @defgroup I2C_START_STOP_MODE I2C Start or Stop Mode
+ * @{
+ */
+#define I2C_NO_STARTSTOP (0x00000000U)
+#define I2C_GENERATE_STOP I2C_CR2_STOP
+#define I2C_GENERATE_START_READ (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN)
+#define I2C_GENERATE_START_WRITE I2C_CR2_START
+/**
+ * @}
+ */
+
+/** @defgroup I2C_Interrupt_configuration_definition I2C Interrupt configuration definition
+ * @brief I2C Interrupt definition
+ * Elements values convention: 0xXXXXXXXX
+ * - XXXXXXXX : Interrupt control mask
+ * @{
+ */
+#define I2C_IT_ERRI I2C_CR1_ERRIE
+#define I2C_IT_TCI I2C_CR1_TCIE
+#define I2C_IT_STOPI I2C_CR1_STOPIE
+#define I2C_IT_NACKI I2C_CR1_NACKIE
+#define I2C_IT_ADDRI I2C_CR1_ADDRIE
+#define I2C_IT_RXI I2C_CR1_RXIE
+#define I2C_IT_TXI I2C_CR1_TXIE
+/**
+ * @}
+ */
+
+/** @defgroup I2C_Flag_definition I2C Flag definition
+ * @{
+ */
+#define I2C_FLAG_TXE I2C_ISR_TXE
+#define I2C_FLAG_TXIS I2C_ISR_TXIS
+#define I2C_FLAG_RXNE I2C_ISR_RXNE
+#define I2C_FLAG_ADDR I2C_ISR_ADDR
+#define I2C_FLAG_AF I2C_ISR_NACKF
+#define I2C_FLAG_STOPF I2C_ISR_STOPF
+#define I2C_FLAG_TC I2C_ISR_TC
+#define I2C_FLAG_TCR I2C_ISR_TCR
+#define I2C_FLAG_BERR I2C_ISR_BERR
+#define I2C_FLAG_ARLO I2C_ISR_ARLO
+#define I2C_FLAG_OVR I2C_ISR_OVR
+#define I2C_FLAG_PECERR I2C_ISR_PECERR
+#define I2C_FLAG_TIMEOUT I2C_ISR_TIMEOUT
+#define I2C_FLAG_ALERT I2C_ISR_ALERT
+#define I2C_FLAG_BUSY I2C_ISR_BUSY
+#define I2C_FLAG_DIR I2C_ISR_DIR
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macros -----------------------------------------------------------*/
+
+/** @defgroup I2C_Exported_Macros I2C Exported Macros
+ * @{
+ */
+
+/** @brief Reset I2C handle state.
+ * @param __HANDLE__ specifies the I2C Handle.
+ * @retval None
+ */
+#define __HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)
+
+/** @brief Enable the specified I2C interrupt.
+ * @param __HANDLE__ specifies the I2C Handle.
+ * @param __INTERRUPT__ specifies the interrupt source to enable.
+ * This parameter can be one of the following values:
+ * @arg @ref I2C_IT_ERRI Errors interrupt enable
+ * @arg @ref I2C_IT_TCI Transfer complete interrupt enable
+ * @arg @ref I2C_IT_STOPI STOP detection interrupt enable
+ * @arg @ref I2C_IT_NACKI NACK received interrupt enable
+ * @arg @ref I2C_IT_ADDRI Address match interrupt enable
+ * @arg @ref I2C_IT_RXI RX interrupt enable
+ * @arg @ref I2C_IT_TXI TX interrupt enable
+ *
+ * @retval None
+ */
+#define __HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 |= (__INTERRUPT__))
+
+/** @brief Disable the specified I2C interrupt.
+ * @param __HANDLE__ specifies the I2C Handle.
+ * @param __INTERRUPT__ specifies the interrupt source to disable.
+ * This parameter can be one of the following values:
+ * @arg @ref I2C_IT_ERRI Errors interrupt enable
+ * @arg @ref I2C_IT_TCI Transfer complete interrupt enable
+ * @arg @ref I2C_IT_STOPI STOP detection interrupt enable
+ * @arg @ref I2C_IT_NACKI NACK received interrupt enable
+ * @arg @ref I2C_IT_ADDRI Address match interrupt enable
+ * @arg @ref I2C_IT_RXI RX interrupt enable
+ * @arg @ref I2C_IT_TXI TX interrupt enable
+ *
+ * @retval None
+ */
+#define __HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__)))
+
+/** @brief Check whether the specified I2C interrupt source is enabled or not.
+ * @param __HANDLE__ specifies the I2C Handle.
+ * @param __INTERRUPT__ specifies the I2C interrupt source to check.
+ * This parameter can be one of the following values:
+ * @arg @ref I2C_IT_ERRI Errors interrupt enable
+ * @arg @ref I2C_IT_TCI Transfer complete interrupt enable
+ * @arg @ref I2C_IT_STOPI STOP detection interrupt enable
+ * @arg @ref I2C_IT_NACKI NACK received interrupt enable
+ * @arg @ref I2C_IT_ADDRI Address match interrupt enable
+ * @arg @ref I2C_IT_RXI RX interrupt enable
+ * @arg @ref I2C_IT_TXI TX interrupt enable
+ *
+ * @retval The new state of __INTERRUPT__ (SET or RESET).
+ */
+#define __HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR1 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
+
+/** @brief Check whether the specified I2C flag is set or not.
+ * @param __HANDLE__ specifies the I2C Handle.
+ * @param __FLAG__ specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg @ref I2C_FLAG_TXE Transmit data register empty
+ * @arg @ref I2C_FLAG_TXIS Transmit interrupt status
+ * @arg @ref I2C_FLAG_RXNE Receive data register not empty
+ * @arg @ref I2C_FLAG_ADDR Address matched (slave mode)
+ * @arg @ref I2C_FLAG_AF Acknowledge failure received flag
+ * @arg @ref I2C_FLAG_STOPF STOP detection flag
+ * @arg @ref I2C_FLAG_TC Transfer complete (master mode)
+ * @arg @ref I2C_FLAG_TCR Transfer complete reload
+ * @arg @ref I2C_FLAG_BERR Bus error
+ * @arg @ref I2C_FLAG_ARLO Arbitration lost
+ * @arg @ref I2C_FLAG_OVR Overrun/Underrun
+ * @arg @ref I2C_FLAG_PECERR PEC error in reception
+ * @arg @ref I2C_FLAG_TIMEOUT Timeout or Tlow detection flag
+ * @arg @ref I2C_FLAG_ALERT SMBus alert
+ * @arg @ref I2C_FLAG_BUSY Bus busy
+ * @arg @ref I2C_FLAG_DIR Transfer direction (slave mode)
+ *
+ * @retval The new state of __FLAG__ (SET or RESET).
+ */
+#define __HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__) (((((__HANDLE__)->Instance->ISR) & (__FLAG__)) == (__FLAG__)) ? SET : RESET)
+
+/** @brief Clear the I2C pending flags which are cleared by writing 1 in a specific bit.
+ * @param __HANDLE__ specifies the I2C Handle.
+ * @param __FLAG__ specifies the flag to clear.
+ * This parameter can be any combination of the following values:
+ * @arg @ref I2C_FLAG_TXE Transmit data register empty
+ * @arg @ref I2C_FLAG_ADDR Address matched (slave mode)
+ * @arg @ref I2C_FLAG_AF Acknowledge failure received flag
+ * @arg @ref I2C_FLAG_STOPF STOP detection flag
+ * @arg @ref I2C_FLAG_BERR Bus error
+ * @arg @ref I2C_FLAG_ARLO Arbitration lost
+ * @arg @ref I2C_FLAG_OVR Overrun/Underrun
+ * @arg @ref I2C_FLAG_PECERR PEC error in reception
+ * @arg @ref I2C_FLAG_TIMEOUT Timeout or Tlow detection flag
+ * @arg @ref I2C_FLAG_ALERT SMBus alert
+ *
+ * @retval None
+ */
+#define __HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) (((__FLAG__) == I2C_FLAG_TXE) ? ((__HANDLE__)->Instance->ISR |= (__FLAG__)) \
+ : ((__HANDLE__)->Instance->ICR = (__FLAG__)))
+
+/** @brief Enable the specified I2C peripheral.
+ * @param __HANDLE__ specifies the I2C Handle.
+ * @retval None
+ */
+#define __HAL_I2C_ENABLE(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
+
+/** @brief Disable the specified I2C peripheral.
+ * @param __HANDLE__ specifies the I2C Handle.
+ * @retval None
+ */
+#define __HAL_I2C_DISABLE(__HANDLE__) (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
+
+/** @brief Generate a Non-Acknowledge I2C peripheral in Slave mode.
+ * @param __HANDLE__: specifies the I2C Handle.
+ * @retval None
+ */
+#define __HAL_I2C_GENERATE_NACK(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->CR2, I2C_CR2_NACK))
+/**
+ * @}
+ */
+
+/* Include I2C HAL Extended module */
+#include "stm32l4xx_hal_i2c_ex.h"
+
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup I2C_Exported_Functions
+ * @{
+ */
+
+/** @addtogroup I2C_Exported_Functions_Group1 Initialization and de-initialization functions
+ * @{
+ */
+/* Initialization and de-initialization functions******************************/
+HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c);
+HAL_StatusTypeDef HAL_I2C_DeInit (I2C_HandleTypeDef *hi2c);
+void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c);
+void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c);
+/**
+ * @}
+ */
+
+/** @addtogroup I2C_Exported_Functions_Group2 Input and Output operation functions
+ * @{
+ */
+/* IO operation functions ****************************************************/
+ /******* Blocking mode: Polling */
+HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout);
+HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout);
+HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout);
+HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout);
+HAL_StatusTypeDef HAL_I2C_Mem_Write(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout);
+HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout);
+HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout);
+
+ /******* Non-Blocking mode: Interrupt */
+HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size);
+HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size);
+HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
+HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
+HAL_StatusTypeDef HAL_I2C_Mem_Write_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
+HAL_StatusTypeDef HAL_I2C_Mem_Read_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
+
+HAL_StatusTypeDef HAL_I2C_Master_Sequential_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions);
+HAL_StatusTypeDef HAL_I2C_Master_Sequential_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions);
+HAL_StatusTypeDef HAL_I2C_Slave_Sequential_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions);
+HAL_StatusTypeDef HAL_I2C_Slave_Sequential_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions);
+HAL_StatusTypeDef HAL_I2C_EnableListen_IT(I2C_HandleTypeDef *hi2c);
+HAL_StatusTypeDef HAL_I2C_DisableListen_IT(I2C_HandleTypeDef *hi2c);
+HAL_StatusTypeDef HAL_I2C_Master_Abort_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress);
+
+ /******* Non-Blocking mode: DMA */
+HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size);
+HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size);
+HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
+HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
+HAL_StatusTypeDef HAL_I2C_Mem_Write_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
+HAL_StatusTypeDef HAL_I2C_Mem_Read_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
+/**
+ * @}
+ */
+
+/** @addtogroup I2C_IRQ_Handler_and_Callbacks IRQ Handler and Callbacks
+ * @{
+ */
+/******* I2C IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */
+void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef *hi2c);
+void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef *hi2c);
+void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef *hi2c);
+void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c);
+void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c);
+void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c);
+void HAL_I2C_AddrCallback(I2C_HandleTypeDef *hi2c, uint8_t TransferDirection, uint16_t AddrMatchCode);
+void HAL_I2C_ListenCpltCallback(I2C_HandleTypeDef *hi2c);
+void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c);
+void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c);
+void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c);
+void HAL_I2C_AbortCpltCallback(I2C_HandleTypeDef *hi2c);
+/**
+ * @}
+ */
+
+/** @addtogroup I2C_Exported_Functions_Group3 Peripheral State, Mode and Error functions
+ * @{
+ */
+/* Peripheral State, Mode and Error functions *********************************/
+HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c);
+HAL_I2C_ModeTypeDef HAL_I2C_GetMode(I2C_HandleTypeDef *hi2c);
+uint32_t HAL_I2C_GetError(I2C_HandleTypeDef *hi2c);
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Private constants ---------------------------------------------------------*/
+/** @defgroup I2C_Private_Constants I2C Private Constants
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/* Private macros ------------------------------------------------------------*/
+/** @defgroup I2C_Private_Macro I2C Private Macros
+ * @{
+ */
+
+#define IS_I2C_ADDRESSING_MODE(MODE) (((MODE) == I2C_ADDRESSINGMODE_7BIT) || \
+ ((MODE) == I2C_ADDRESSINGMODE_10BIT))
+
+#define IS_I2C_DUAL_ADDRESS(ADDRESS) (((ADDRESS) == I2C_DUALADDRESS_DISABLE) || \
+ ((ADDRESS) == I2C_DUALADDRESS_ENABLE))
+
+#define IS_I2C_OWN_ADDRESS2_MASK(MASK) (((MASK) == I2C_OA2_NOMASK) || \
+ ((MASK) == I2C_OA2_MASK01) || \
+ ((MASK) == I2C_OA2_MASK02) || \
+ ((MASK) == I2C_OA2_MASK03) || \
+ ((MASK) == I2C_OA2_MASK04) || \
+ ((MASK) == I2C_OA2_MASK05) || \
+ ((MASK) == I2C_OA2_MASK06) || \
+ ((MASK) == I2C_OA2_MASK07))
+
+#define IS_I2C_GENERAL_CALL(CALL) (((CALL) == I2C_GENERALCALL_DISABLE) || \
+ ((CALL) == I2C_GENERALCALL_ENABLE))
+
+#define IS_I2C_NO_STRETCH(STRETCH) (((STRETCH) == I2C_NOSTRETCH_DISABLE) || \
+ ((STRETCH) == I2C_NOSTRETCH_ENABLE))
+
+#define IS_I2C_MEMADD_SIZE(SIZE) (((SIZE) == I2C_MEMADD_SIZE_8BIT) || \
+ ((SIZE) == I2C_MEMADD_SIZE_16BIT))
+
+#define IS_TRANSFER_MODE(MODE) (((MODE) == I2C_RELOAD_MODE) || \
+ ((MODE) == I2C_AUTOEND_MODE) || \
+ ((MODE) == I2C_SOFTEND_MODE))
+
+#define IS_TRANSFER_REQUEST(REQUEST) (((REQUEST) == I2C_GENERATE_STOP) || \
+ ((REQUEST) == I2C_GENERATE_START_READ) || \
+ ((REQUEST) == I2C_GENERATE_START_WRITE) || \
+ ((REQUEST) == I2C_NO_STARTSTOP))
+
+#define IS_I2C_TRANSFER_OPTIONS_REQUEST(REQUEST) (((REQUEST) == I2C_FIRST_FRAME) || \
+ ((REQUEST) == I2C_NEXT_FRAME) || \
+ ((REQUEST) == I2C_FIRST_AND_LAST_FRAME) || \
+ ((REQUEST) == I2C_LAST_FRAME))
+
+#define I2C_RESET_CR2(__HANDLE__) ((__HANDLE__)->Instance->CR2 &= (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_HEAD10R | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_RD_WRN)))
+
+#define I2C_GET_ADDR_MATCH(__HANDLE__) (((__HANDLE__)->Instance->ISR & I2C_ISR_ADDCODE) >> 16U)
+#define I2C_GET_DIR(__HANDLE__) (((__HANDLE__)->Instance->ISR & I2C_ISR_DIR) >> 16U)
+#define I2C_GET_STOP_MODE(__HANDLE__) ((__HANDLE__)->Instance->CR2 & I2C_CR2_AUTOEND)
+#define I2C_GET_OWN_ADDRESS1(__HANDLE__) ((__HANDLE__)->Instance->OAR1 & I2C_OAR1_OA1)
+#define I2C_GET_OWN_ADDRESS2(__HANDLE__) ((__HANDLE__)->Instance->OAR2 & I2C_OAR2_OA2)
+
+#define IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= 0x000003FFU)
+#define IS_I2C_OWN_ADDRESS2(ADDRESS2) ((ADDRESS2) <= (uint16_t)0x00FFU)
+
+#define I2C_MEM_ADD_MSB(__ADDRESS__) ((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0xFF00U))) >> 8U)))
+#define I2C_MEM_ADD_LSB(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FFU))))
+
+#define I2C_GENERATE_START(__ADDMODE__,__ADDRESS__) (((__ADDMODE__) == I2C_ADDRESSINGMODE_7BIT) ? (uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | (I2C_CR2_START) | (I2C_CR2_AUTOEND)) & (~I2C_CR2_RD_WRN)) : \
+ (uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | (I2C_CR2_ADD10) | (I2C_CR2_START)) & (~I2C_CR2_RD_WRN)))
+/**
+ * @}
+ */
+
+/* Private Functions ---------------------------------------------------------*/
+/** @defgroup I2C_Private_Functions I2C Private Functions
+ * @{
+ */
+/* Private functions are defined in stm32l4xx_hal_i2c.c file */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* __STM32L4xx_HAL_I2C_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
