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.

Revision:
171:3a7713b1edbc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_NUCLEO_F030R8/TOOLCHAIN_GCC_ARM/stm32f0xx_hal_smbus.h	Thu Nov 08 11:45:42 2018 +0000
@@ -0,0 +1,699 @@
+/**
+  ******************************************************************************
+  * @file    stm32f0xx_hal_smbus.h
+  * @author  MCD Application Team
+  * @brief   Header file of SMBUS HAL module.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; 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 __STM32F0xx_HAL_SMBUS_H
+#define __STM32F0xx_HAL_SMBUS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_hal_def.h"
+
+/** @addtogroup STM32F0xx_HAL_Driver
+  * @{
+  */
+
+/** @addtogroup SMBUS
+  * @{
+  */
+
+/* Exported types ------------------------------------------------------------*/
+/** @defgroup SMBUS_Exported_Types SMBUS Exported Types
+  * @{
+  */
+
+/** @defgroup SMBUS_Configuration_Structure_definition SMBUS Configuration Structure definition
+  * @brief  SMBUS Configuration Structure definition
+  * @{
+  */
+typedef struct
+{
+  uint32_t Timing;                 /*!< Specifies the SMBUS_TIMINGR_register value.
+                                     This parameter calculated by referring to SMBUS initialization
+                                            section in Reference manual */
+  uint32_t AnalogFilter;           /*!< Specifies if Analog Filter is enable or not.
+                                     This parameter can be a value of @ref SMBUS_Analog_Filter */
+
+  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 for master is selected.
+                                     This parameter can be a value of @ref SMBUS_addressing_mode */
+
+  uint32_t DualAddressMode;        /*!< Specifies if dual addressing mode is selected.
+                                     This parameter can be a value of @ref SMBUS_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 acknoledge mask address second device own address if dual addressing mode is selected
+                                     This parameter can be a value of @ref SMBUS_own_address2_masks. */
+
+  uint32_t GeneralCallMode;        /*!< Specifies if general call mode is selected.
+                                     This parameter can be a value of @ref SMBUS_general_call_addressing_mode. */
+
+  uint32_t NoStretchMode;          /*!< Specifies if nostretch mode is selected.
+                                     This parameter can be a value of @ref SMBUS_nostretch_mode */
+
+  uint32_t PacketErrorCheckMode;   /*!< Specifies if Packet Error Check mode is selected.
+                                     This parameter can be a value of @ref SMBUS_packet_error_check_mode */
+
+  uint32_t PeripheralMode;         /*!< Specifies which mode of Periphal is selected.
+                                     This parameter can be a value of @ref SMBUS_peripheral_mode */
+
+  uint32_t SMBusTimeout;           /*!< Specifies the content of the 32 Bits SMBUS_TIMEOUT_register value.
+                                      (Enable bits and different timeout values)
+                                     This parameter calculated by referring to SMBUS initialization
+                                         section in Reference manual */
+} SMBUS_InitTypeDef;
+/**
+  * @}
+  */
+
+/** @defgroup HAL_state_definition HAL state definition
+  * @brief  HAL State definition
+  * @{
+  */
+#define HAL_SMBUS_STATE_RESET           (0x00000000U)  /*!< SMBUS not yet initialized or disabled         */
+#define HAL_SMBUS_STATE_READY           (0x00000001U)  /*!< SMBUS initialized and ready for use           */
+#define HAL_SMBUS_STATE_BUSY            (0x00000002U)  /*!< SMBUS internal process is ongoing             */
+#define HAL_SMBUS_STATE_MASTER_BUSY_TX  (0x00000012U)  /*!< Master Data Transmission process is ongoing   */
+#define HAL_SMBUS_STATE_MASTER_BUSY_RX  (0x00000022U)  /*!< Master Data Reception process is ongoing      */
+#define HAL_SMBUS_STATE_SLAVE_BUSY_TX   (0x00000032U)  /*!< Slave Data Transmission process is ongoing    */
+#define HAL_SMBUS_STATE_SLAVE_BUSY_RX   (0x00000042U)  /*!< Slave Data Reception process is ongoing       */
+#define HAL_SMBUS_STATE_TIMEOUT         (0x00000003U)  /*!< Timeout state                                 */
+#define HAL_SMBUS_STATE_ERROR           (0x00000004U)  /*!< Reception process is ongoing                  */
+#define HAL_SMBUS_STATE_LISTEN          (0x00000008U)   /*!< Address Listen Mode is ongoing                */
+/**
+  * @}
+  */
+
+/** @defgroup SMBUS_Error_Code_definition SMBUS Error Code definition
+  * @brief  SMBUS Error Code definition
+  * @{
+  */
+#define HAL_SMBUS_ERROR_NONE            (0x00000000U)    /*!< No error             */
+#define HAL_SMBUS_ERROR_BERR            (0x00000001U)    /*!< BERR error           */
+#define HAL_SMBUS_ERROR_ARLO            (0x00000002U)    /*!< ARLO error           */
+#define HAL_SMBUS_ERROR_ACKF            (0x00000004U)    /*!< ACKF error           */
+#define HAL_SMBUS_ERROR_OVR             (0x00000008U)    /*!< OVR error            */
+#define HAL_SMBUS_ERROR_HALTIMEOUT      (0x00000010U)    /*!< Timeout error        */
+#define HAL_SMBUS_ERROR_BUSTIMEOUT      (0x00000020U)    /*!< Bus Timeout error    */
+#define HAL_SMBUS_ERROR_ALERT           (0x00000040U)    /*!< Alert error          */
+#define HAL_SMBUS_ERROR_PECERR          (0x00000080U)    /*!< PEC error            */
+/**
+  * @}
+  */
+
+/** @defgroup SMBUS_handle_Structure_definition SMBUS handle Structure definition
+  * @brief  SMBUS handle Structure definition
+  * @{
+  */
+typedef struct
+{
+  I2C_TypeDef                  *Instance;       /*!< SMBUS registers base address       */
+
+  SMBUS_InitTypeDef            Init;            /*!< SMBUS communication parameters     */
+
+  uint8_t                      *pBuffPtr;       /*!< Pointer to SMBUS transfer buffer   */
+
+  uint16_t                     XferSize;        /*!< SMBUS transfer size                */
+
+  __IO uint16_t                XferCount;       /*!< SMBUS transfer counter             */
+
+  __IO uint32_t                XferOptions;     /*!< SMBUS transfer options             */
+
+  __IO uint32_t                PreviousState;   /*!< SMBUS communication Previous state */
+
+  HAL_LockTypeDef              Lock;            /*!< SMBUS locking object               */
+
+  __IO uint32_t                State;           /*!< SMBUS communication state          */
+
+  __IO uint32_t                ErrorCode;       /*!< SMBUS Error code                   */
+
+} SMBUS_HandleTypeDef;
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup SMBUS_Exported_Constants SMBUS Exported Constants
+  * @{
+  */
+
+/** @defgroup SMBUS_Analog_Filter SMBUS Analog Filter
+  * @{
+  */
+#define SMBUS_ANALOGFILTER_ENABLE               (0x00000000U)
+#define SMBUS_ANALOGFILTER_DISABLE              I2C_CR1_ANFOFF
+/**
+  * @}
+  */
+
+/** @defgroup SMBUS_addressing_mode SMBUS addressing mode
+  * @{
+  */
+#define SMBUS_ADDRESSINGMODE_7BIT               (0x00000001U)
+#define SMBUS_ADDRESSINGMODE_10BIT              (0x00000002U)
+/**
+  * @}
+  */
+
+/** @defgroup SMBUS_dual_addressing_mode SMBUS dual addressing mode
+  * @{
+  */
+
+#define SMBUS_DUALADDRESS_DISABLE               (0x00000000U)
+#define SMBUS_DUALADDRESS_ENABLE                I2C_OAR2_OA2EN
+/**
+  * @}
+  */
+
+/** @defgroup SMBUS_own_address2_masks SMBUS ownaddress2 masks
+  * @{
+  */
+
+#define SMBUS_OA2_NOMASK                        ((uint8_t)0x00U)
+#define SMBUS_OA2_MASK01                        ((uint8_t)0x01U)
+#define SMBUS_OA2_MASK02                        ((uint8_t)0x02U)
+#define SMBUS_OA2_MASK03                        ((uint8_t)0x03U)
+#define SMBUS_OA2_MASK04                        ((uint8_t)0x04U)
+#define SMBUS_OA2_MASK05                        ((uint8_t)0x05U)
+#define SMBUS_OA2_MASK06                        ((uint8_t)0x06U)
+#define SMBUS_OA2_MASK07                        ((uint8_t)0x07U)
+/**
+  * @}
+  */
+
+
+/** @defgroup SMBUS_general_call_addressing_mode SMBUS general call addressing mode
+  * @{
+  */
+#define SMBUS_GENERALCALL_DISABLE               (0x00000000U)
+#define SMBUS_GENERALCALL_ENABLE                I2C_CR1_GCEN
+/**
+  * @}
+  */
+
+/** @defgroup SMBUS_nostretch_mode  SMBUS nostretch mode
+  * @{
+  */
+#define SMBUS_NOSTRETCH_DISABLE                 (0x00000000U)
+#define SMBUS_NOSTRETCH_ENABLE                  I2C_CR1_NOSTRETCH
+/**
+  * @}
+  */
+
+/** @defgroup SMBUS_packet_error_check_mode SMBUS packet error check mode
+  * @{
+  */
+#define SMBUS_PEC_DISABLE                       (0x00000000U)
+#define SMBUS_PEC_ENABLE                        I2C_CR1_PECEN
+/**
+  * @}
+  */
+
+/** @defgroup SMBUS_peripheral_mode SMBUS peripheral mode
+  * @{
+  */
+#define SMBUS_PERIPHERAL_MODE_SMBUS_HOST        I2C_CR1_SMBHEN
+#define SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE       (0x00000000U)
+#define SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE_ARP   I2C_CR1_SMBDEN
+/**
+  * @}
+  */
+
+/** @defgroup SMBUS_ReloadEndMode_definition SMBUS ReloadEndMode definition
+  * @{
+  */
+
+#define  SMBUS_SOFTEND_MODE                     (0x00000000U)
+#define  SMBUS_RELOAD_MODE                      I2C_CR2_RELOAD
+#define  SMBUS_AUTOEND_MODE                     I2C_CR2_AUTOEND
+#define  SMBUS_SENDPEC_MODE                     I2C_CR2_PECBYTE
+/**
+  * @}
+  */
+
+/** @defgroup SMBUS_StartStopMode_definition SMBUS StartStopMode definition
+  * @{
+  */
+
+#define  SMBUS_NO_STARTSTOP                     (0x00000000U)
+#define  SMBUS_GENERATE_STOP                    I2C_CR2_STOP
+#define  SMBUS_GENERATE_START_READ              (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN)
+#define  SMBUS_GENERATE_START_WRITE             I2C_CR2_START
+/**
+  * @}
+  */
+
+/** @defgroup SMBUS_XferOptions_definition SMBUS XferOptions definition
+  * @{
+  */
+
+/* List of XferOptions in usage of :
+ * 1- Restart condition when direction change
+ * 2- No Restart condition in other use cases
+ */
+#define  SMBUS_FIRST_FRAME                      SMBUS_SOFTEND_MODE
+#define  SMBUS_NEXT_FRAME                       ((uint32_t)(SMBUS_RELOAD_MODE | SMBUS_SOFTEND_MODE))
+#define  SMBUS_FIRST_AND_LAST_FRAME_NO_PEC      SMBUS_AUTOEND_MODE
+#define  SMBUS_LAST_FRAME_NO_PEC                SMBUS_AUTOEND_MODE
+#define  SMBUS_FIRST_AND_LAST_FRAME_WITH_PEC    ((uint32_t)(SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE))
+#define  SMBUS_LAST_FRAME_WITH_PEC              ((uint32_t)(SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE))
+
+/* List of XferOptions in usage of :
+ * 1- Restart condition in all use cases (direction change or not)
+ */
+#define  SMBUS_OTHER_FRAME_NO_PEC               (0x000000AAU)
+#define  SMBUS_OTHER_FRAME_WITH_PEC             (0x0000AA00U)
+#define  SMBUS_OTHER_AND_LAST_FRAME_NO_PEC      (0x00AA0000U)
+#define  SMBUS_OTHER_AND_LAST_FRAME_WITH_PEC    (0xAA000000U)
+/**
+  * @}
+  */
+
+/** @defgroup SMBUS_Interrupt_configuration_definition SMBUS Interrupt configuration definition
+  * @brief SMBUS Interrupt definition
+  *        Elements values convention: 0xXXXXXXXX
+  *           - XXXXXXXX  : Interrupt control mask
+  * @{
+  */
+#define SMBUS_IT_ERRI                           I2C_CR1_ERRIE
+#define SMBUS_IT_TCI                            I2C_CR1_TCIE
+#define SMBUS_IT_STOPI                          I2C_CR1_STOPIE
+#define SMBUS_IT_NACKI                          I2C_CR1_NACKIE
+#define SMBUS_IT_ADDRI                          I2C_CR1_ADDRIE
+#define SMBUS_IT_RXI                            I2C_CR1_RXIE
+#define SMBUS_IT_TXI                            I2C_CR1_TXIE
+#define SMBUS_IT_TX                             (SMBUS_IT_ERRI | SMBUS_IT_TCI | SMBUS_IT_STOPI | SMBUS_IT_NACKI | SMBUS_IT_TXI)
+#define SMBUS_IT_RX                             (SMBUS_IT_ERRI | SMBUS_IT_TCI | SMBUS_IT_NACKI | SMBUS_IT_RXI)
+#define SMBUS_IT_ALERT                          (SMBUS_IT_ERRI)
+#define SMBUS_IT_ADDR                           (SMBUS_IT_ADDRI | SMBUS_IT_STOPI | SMBUS_IT_NACKI)
+/**
+  * @}
+  */
+
+/** @defgroup SMBUS_Flag_definition SMBUS Flag definition
+  * @brief Flag definition
+  *        Elements values convention: 0xXXXXYYYY
+  *           - XXXXXXXX  : Flag mask
+  * @{
+  */
+
+#define  SMBUS_FLAG_TXE                         I2C_ISR_TXE
+#define  SMBUS_FLAG_TXIS                        I2C_ISR_TXIS
+#define  SMBUS_FLAG_RXNE                        I2C_ISR_RXNE
+#define  SMBUS_FLAG_ADDR                        I2C_ISR_ADDR
+#define  SMBUS_FLAG_AF                          I2C_ISR_NACKF
+#define  SMBUS_FLAG_STOPF                       I2C_ISR_STOPF
+#define  SMBUS_FLAG_TC                          I2C_ISR_TC
+#define  SMBUS_FLAG_TCR                         I2C_ISR_TCR
+#define  SMBUS_FLAG_BERR                        I2C_ISR_BERR
+#define  SMBUS_FLAG_ARLO                        I2C_ISR_ARLO
+#define  SMBUS_FLAG_OVR                         I2C_ISR_OVR
+#define  SMBUS_FLAG_PECERR                      I2C_ISR_PECERR
+#define  SMBUS_FLAG_TIMEOUT                     I2C_ISR_TIMEOUT
+#define  SMBUS_FLAG_ALERT                       I2C_ISR_ALERT
+#define  SMBUS_FLAG_BUSY                        I2C_ISR_BUSY
+#define  SMBUS_FLAG_DIR                         I2C_ISR_DIR
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported macros ------------------------------------------------------------*/
+/** @defgroup SMBUS_Exported_Macros SMBUS Exported Macros
+  * @{
+  */
+
+/** @brief  Reset SMBUS handle state.
+  * @param  __HANDLE__ specifies the SMBUS Handle.
+  * @retval None
+  */
+#define __HAL_SMBUS_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_SMBUS_STATE_RESET)
+
+/** @brief  Enable the specified SMBUS interrupts.
+  * @param  __HANDLE__ specifies the SMBUS Handle.
+  * @param  __INTERRUPT__ specifies the interrupt source to enable.
+  *        This parameter can be one of the following values:
+  *            @arg @ref SMBUS_IT_ERRI  Errors interrupt enable
+  *            @arg @ref SMBUS_IT_TCI   Transfer complete interrupt enable
+  *            @arg @ref SMBUS_IT_STOPI STOP detection interrupt enable
+  *            @arg @ref SMBUS_IT_NACKI NACK received interrupt enable
+  *            @arg @ref SMBUS_IT_ADDRI Address match interrupt enable
+  *            @arg @ref SMBUS_IT_RXI   RX interrupt enable
+  *            @arg @ref SMBUS_IT_TXI   TX interrupt enable
+  *
+  * @retval None
+  */
+#define __HAL_SMBUS_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->CR1 |= (__INTERRUPT__))
+
+/** @brief  Disable the specified SMBUS interrupts.
+  * @param  __HANDLE__ specifies the SMBUS Handle.
+  * @param  __INTERRUPT__ specifies the interrupt source to disable.
+  *        This parameter can be one of the following values:
+  *            @arg @ref SMBUS_IT_ERRI  Errors interrupt enable
+  *            @arg @ref SMBUS_IT_TCI   Transfer complete interrupt enable
+  *            @arg @ref SMBUS_IT_STOPI STOP detection interrupt enable
+  *            @arg @ref SMBUS_IT_NACKI NACK received interrupt enable
+  *            @arg @ref SMBUS_IT_ADDRI Address match interrupt enable
+  *            @arg @ref SMBUS_IT_RXI   RX interrupt enable
+  *            @arg @ref SMBUS_IT_TXI   TX interrupt enable
+  *
+  * @retval None
+  */
+#define __HAL_SMBUS_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__)))
+
+/** @brief  Check whether the specified SMBUS interrupt source is enabled or not.
+  * @param  __HANDLE__ specifies the SMBUS Handle.
+  * @param  __INTERRUPT__ specifies the SMBUS interrupt source to check.
+  *          This parameter can be one of the following values:
+  *            @arg @ref SMBUS_IT_ERRI  Errors interrupt enable
+  *            @arg @ref SMBUS_IT_TCI   Transfer complete interrupt enable
+  *            @arg @ref SMBUS_IT_STOPI STOP detection interrupt enable
+  *            @arg @ref SMBUS_IT_NACKI NACK received interrupt enable
+  *            @arg @ref SMBUS_IT_ADDRI Address match interrupt enable
+  *            @arg @ref SMBUS_IT_RXI   RX interrupt enable
+  *            @arg @ref SMBUS_IT_TXI   TX interrupt enable
+  *
+  * @retval The new state of __IT__ (TRUE or FALSE).
+  */
+#define __HAL_SMBUS_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR1 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
+
+/** @brief  Check whether the specified SMBUS flag is set or not.
+  * @param  __HANDLE__ specifies the SMBUS Handle.
+  * @param  __FLAG__ specifies the flag to check.
+  *        This parameter can be one of the following values:
+  *            @arg @ref SMBUS_FLAG_TXE     Transmit data register empty
+  *            @arg @ref SMBUS_FLAG_TXIS    Transmit interrupt status
+  *            @arg @ref SMBUS_FLAG_RXNE    Receive data register not empty
+  *            @arg @ref SMBUS_FLAG_ADDR    Address matched (slave mode)
+  *            @arg @ref SMBUS_FLAG_AF      NACK received flag
+  *            @arg @ref SMBUS_FLAG_STOPF   STOP detection flag
+  *            @arg @ref SMBUS_FLAG_TC      Transfer complete (master mode)
+  *            @arg @ref SMBUS_FLAG_TCR     Transfer complete reload
+  *            @arg @ref SMBUS_FLAG_BERR    Bus error
+  *            @arg @ref SMBUS_FLAG_ARLO    Arbitration lost
+  *            @arg @ref SMBUS_FLAG_OVR     Overrun/Underrun
+  *            @arg @ref SMBUS_FLAG_PECERR  PEC error in reception
+  *            @arg @ref SMBUS_FLAG_TIMEOUT Timeout or Tlow detection flag
+  *            @arg @ref SMBUS_FLAG_ALERT   SMBus alert
+  *            @arg @ref SMBUS_FLAG_BUSY    Bus busy
+  *            @arg @ref SMBUS_FLAG_DIR     Transfer direction (slave mode)
+  *
+  * @retval The new state of __FLAG__ (TRUE or FALSE).
+  */
+#define SMBUS_FLAG_MASK  (0x0001FFFFU)
+#define __HAL_SMBUS_GET_FLAG(__HANDLE__, __FLAG__) (((((__HANDLE__)->Instance->ISR) & ((__FLAG__) & SMBUS_FLAG_MASK)) == ((__FLAG__) & SMBUS_FLAG_MASK)))
+
+/** @brief  Clear the SMBUS pending flags which are cleared by writing 1 in a specific bit.
+  * @param  __HANDLE__ specifies the SMBUS Handle.
+  * @param  __FLAG__ specifies the flag to clear.
+  *          This parameter can be any combination of the following values:
+  *            @arg @ref SMBUS_FLAG_ADDR    Address matched (slave mode)
+  *            @arg @ref SMBUS_FLAG_AF      NACK received flag
+  *            @arg @ref SMBUS_FLAG_STOPF   STOP detection flag
+  *            @arg @ref SMBUS_FLAG_BERR    Bus error
+  *            @arg @ref SMBUS_FLAG_ARLO    Arbitration lost
+  *            @arg @ref SMBUS_FLAG_OVR     Overrun/Underrun
+  *            @arg @ref SMBUS_FLAG_PECERR  PEC error in reception
+  *            @arg @ref SMBUS_FLAG_TIMEOUT Timeout or Tlow detection flag
+  *            @arg @ref SMBUS_FLAG_ALERT   SMBus alert
+  *
+  * @retval None
+  */
+#define __HAL_SMBUS_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
+
+/** @brief  Enable the specified SMBUS peripheral.
+  * @param  __HANDLE__ specifies the SMBUS Handle.
+  * @retval None
+  */
+#define __HAL_SMBUS_ENABLE(__HANDLE__)                  (SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
+
+/** @brief  Disable the specified SMBUS peripheral.
+  * @param  __HANDLE__ specifies the SMBUS Handle.
+  * @retval None
+  */
+#define __HAL_SMBUS_DISABLE(__HANDLE__)                 (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
+
+/** @brief  Generate a Non-Acknowledge SMBUS peripheral in Slave mode.
+  * @param  __HANDLE__ specifies the SMBUS Handle.
+  * @retval None
+  */
+#define __HAL_SMBUS_GENERATE_NACK(__HANDLE__)           (SET_BIT((__HANDLE__)->Instance->CR2, I2C_CR2_NACK))
+
+/**
+  * @}
+  */
+
+
+/* Private constants ---------------------------------------------------------*/
+
+/* Private macros ------------------------------------------------------------*/
+/** @defgroup SMBUS_Private_Macro SMBUS Private Macros
+  * @{
+  */
+
+#define IS_SMBUS_ANALOG_FILTER(FILTER)                  (((FILTER) == SMBUS_ANALOGFILTER_ENABLE) || \
+                                                          ((FILTER) == SMBUS_ANALOGFILTER_DISABLE))
+
+#define IS_SMBUS_DIGITAL_FILTER(FILTER)                 ((FILTER) <= 0x0000000FU)
+
+#define IS_SMBUS_ADDRESSING_MODE(MODE)                  (((MODE) == SMBUS_ADDRESSINGMODE_7BIT)  || \
+                                                          ((MODE) == SMBUS_ADDRESSINGMODE_10BIT))
+
+#define IS_SMBUS_DUAL_ADDRESS(ADDRESS)                  (((ADDRESS) == SMBUS_DUALADDRESS_DISABLE) || \
+                                                          ((ADDRESS) == SMBUS_DUALADDRESS_ENABLE))
+
+#define IS_SMBUS_OWN_ADDRESS2_MASK(MASK)                (((MASK) == SMBUS_OA2_NOMASK)    || \
+                                                         ((MASK) == SMBUS_OA2_MASK01)    || \
+                                                         ((MASK) == SMBUS_OA2_MASK02)    || \
+                                                         ((MASK) == SMBUS_OA2_MASK03)    || \
+                                                         ((MASK) == SMBUS_OA2_MASK04)    || \
+                                                         ((MASK) == SMBUS_OA2_MASK05)    || \
+                                                         ((MASK) == SMBUS_OA2_MASK06)    || \
+                                                         ((MASK) == SMBUS_OA2_MASK07))
+
+#define IS_SMBUS_GENERAL_CALL(CALL)                     (((CALL) == SMBUS_GENERALCALL_DISABLE) || \
+                                                         ((CALL) == SMBUS_GENERALCALL_ENABLE))
+
+#define IS_SMBUS_NO_STRETCH(STRETCH)                    (((STRETCH) == SMBUS_NOSTRETCH_DISABLE) || \
+                                                         ((STRETCH) == SMBUS_NOSTRETCH_ENABLE))
+
+#define IS_SMBUS_PEC(PEC)                               (((PEC) == SMBUS_PEC_DISABLE) || \
+                                                          ((PEC) == SMBUS_PEC_ENABLE))
+
+#define IS_SMBUS_PERIPHERAL_MODE(MODE)                  (((MODE) == SMBUS_PERIPHERAL_MODE_SMBUS_HOST)    || \
+                                                          ((MODE) == SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE)  || \
+                                                          ((MODE) == SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE_ARP))
+
+#define IS_SMBUS_TRANSFER_MODE(MODE)                    (((MODE) == SMBUS_RELOAD_MODE)                           || \
+                                                          ((MODE) == SMBUS_AUTOEND_MODE)                         || \
+                                                          ((MODE) == SMBUS_SOFTEND_MODE)                         || \
+                                                          ((MODE) == SMBUS_SENDPEC_MODE)                         || \
+                                                          ((MODE) == (SMBUS_RELOAD_MODE | SMBUS_SENDPEC_MODE))   || \
+                                                          ((MODE) == (SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE))  || \
+                                                          ((MODE) == (SMBUS_AUTOEND_MODE | SMBUS_RELOAD_MODE))   || \
+                                                          ((MODE) == (SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE | SMBUS_RELOAD_MODE )))
+
+
+#define IS_SMBUS_TRANSFER_REQUEST(REQUEST)              (((REQUEST) == SMBUS_GENERATE_STOP)              || \
+                                                          ((REQUEST) == SMBUS_GENERATE_START_READ)       || \
+                                                          ((REQUEST) == SMBUS_GENERATE_START_WRITE)      || \
+                                                          ((REQUEST) == SMBUS_NO_STARTSTOP))
+
+
+#define IS_SMBUS_TRANSFER_OPTIONS_REQUEST(REQUEST)      (((REQUEST) == SMBUS_FIRST_FRAME)                        || \
+                                                          ((REQUEST) == SMBUS_NEXT_FRAME)                        || \
+                                                          ((REQUEST) == SMBUS_FIRST_AND_LAST_FRAME_NO_PEC)       || \
+                                                          ((REQUEST) == SMBUS_LAST_FRAME_NO_PEC)                 || \
+                                                          ((REQUEST) == SMBUS_FIRST_AND_LAST_FRAME_WITH_PEC)     || \
+                                                          ((REQUEST) == SMBUS_LAST_FRAME_WITH_PEC)               || \
+                                                          IS_SMBUS_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST))
+
+#define IS_SMBUS_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST) (((REQUEST) == SMBUS_OTHER_FRAME_NO_PEC)                || \
+                                                          ((REQUEST) == SMBUS_OTHER_AND_LAST_FRAME_NO_PEC)       || \
+                                                          ((REQUEST) == SMBUS_OTHER_FRAME_WITH_PEC)              || \
+                                                          ((REQUEST) == SMBUS_OTHER_AND_LAST_FRAME_WITH_PEC))
+
+#define SMBUS_RESET_CR1(__HANDLE__)                       ((__HANDLE__)->Instance->CR1 &= (uint32_t)~((uint32_t)(I2C_CR1_SMBHEN | I2C_CR1_SMBDEN | I2C_CR1_PECEN)))
+#define SMBUS_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 SMBUS_GENERATE_START(__ADDMODE__,__ADDRESS__)     (((__ADDMODE__) == SMBUS_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)))
+
+#define SMBUS_GET_ADDR_MATCH(__HANDLE__)                  (((__HANDLE__)->Instance->ISR & I2C_ISR_ADDCODE) >> 17U)
+#define SMBUS_GET_DIR(__HANDLE__)                         (((__HANDLE__)->Instance->ISR & I2C_ISR_DIR) >> 16U)
+#define SMBUS_GET_STOP_MODE(__HANDLE__)                   ((__HANDLE__)->Instance->CR2 & I2C_CR2_AUTOEND)
+#define SMBUS_GET_PEC_MODE(__HANDLE__)                    ((__HANDLE__)->Instance->CR2 & I2C_CR2_PECBYTE)
+#define SMBUS_GET_ALERT_ENABLED(__HANDLE__)                ((__HANDLE__)->Instance->CR1 & I2C_CR1_ALERTEN)
+
+#define SMBUS_GET_ISR_REG(__HANDLE__)                   ((__HANDLE__)->Instance->ISR)
+#define SMBUS_CHECK_FLAG(__ISR__, __FLAG__)             ((((__ISR__) & ((__FLAG__) & SMBUS_FLAG_MASK)) == ((__FLAG__) & SMBUS_FLAG_MASK)))
+
+#define IS_SMBUS_OWN_ADDRESS1(ADDRESS1)                         ((ADDRESS1) <= 0x000003FFU)
+#define IS_SMBUS_OWN_ADDRESS2(ADDRESS2)                         ((ADDRESS2) <= (uint16_t)0x00FFU)
+
+/**
+  * @}
+  */
+
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup SMBUS_Exported_Functions SMBUS Exported Functions
+  * @{
+  */
+
+/** @addtogroup SMBUS_Exported_Functions_Group1 Initialization and de-initialization functions
+ * @{
+ */
+
+/* Initialization and de-initialization functions  **********************************/
+HAL_StatusTypeDef HAL_SMBUS_Init(SMBUS_HandleTypeDef *hsmbus);
+HAL_StatusTypeDef HAL_SMBUS_DeInit(SMBUS_HandleTypeDef *hsmbus);
+void HAL_SMBUS_MspInit(SMBUS_HandleTypeDef *hsmbus);
+void HAL_SMBUS_MspDeInit(SMBUS_HandleTypeDef *hsmbus);
+HAL_StatusTypeDef HAL_SMBUS_ConfigAnalogFilter(SMBUS_HandleTypeDef *hsmbus, uint32_t AnalogFilter);
+HAL_StatusTypeDef HAL_SMBUS_ConfigDigitalFilter(SMBUS_HandleTypeDef *hsmbus, uint32_t DigitalFilter);
+
+/**
+  * @}
+  */
+
+/** @addtogroup SMBUS_Exported_Functions_Group2 Input and Output operation functions
+ * @{
+ */
+
+/* IO operation functions  *****************************************************/
+/** @addtogroup Blocking_mode_Polling Blocking mode Polling
+ * @{
+ */
+/******* Blocking mode: Polling */
+HAL_StatusTypeDef HAL_SMBUS_IsDeviceReady(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout);
+/**
+  * @}
+  */
+
+/** @addtogroup Non-Blocking_mode_Interrupt Non-Blocking mode Interrupt
+ * @{
+ */
+/******* Non-Blocking mode: Interrupt */
+HAL_StatusTypeDef HAL_SMBUS_Master_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions);
+HAL_StatusTypeDef HAL_SMBUS_Master_Receive_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions);
+HAL_StatusTypeDef HAL_SMBUS_Master_Abort_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress);
+HAL_StatusTypeDef HAL_SMBUS_Slave_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint8_t *pData, uint16_t Size, uint32_t XferOptions);
+HAL_StatusTypeDef HAL_SMBUS_Slave_Receive_IT(SMBUS_HandleTypeDef *hsmbus, uint8_t *pData, uint16_t Size, uint32_t XferOptions);
+
+HAL_StatusTypeDef HAL_SMBUS_EnableAlert_IT(SMBUS_HandleTypeDef *hsmbus);
+HAL_StatusTypeDef HAL_SMBUS_DisableAlert_IT(SMBUS_HandleTypeDef *hsmbus);
+HAL_StatusTypeDef HAL_SMBUS_EnableListen_IT(SMBUS_HandleTypeDef *hsmbus);
+HAL_StatusTypeDef HAL_SMBUS_DisableListen_IT(SMBUS_HandleTypeDef *hsmbus);
+/**
+  * @}
+  */
+
+/** @addtogroup SMBUS_IRQ_Handler_and_Callbacks IRQ Handler and Callbacks
+ * @{
+ */
+/******* SMBUS IRQHandler and Callbacks used in non blocking modes (Interrupt) */
+void HAL_SMBUS_EV_IRQHandler(SMBUS_HandleTypeDef *hsmbus);
+void HAL_SMBUS_ER_IRQHandler(SMBUS_HandleTypeDef *hsmbus);
+void HAL_SMBUS_MasterTxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
+void HAL_SMBUS_MasterRxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
+void HAL_SMBUS_SlaveTxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
+void HAL_SMBUS_SlaveRxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
+void HAL_SMBUS_AddrCallback(SMBUS_HandleTypeDef *hsmbus, uint8_t TransferDirection, uint16_t AddrMatchCode);
+void HAL_SMBUS_ListenCpltCallback(SMBUS_HandleTypeDef *hsmbus);
+void HAL_SMBUS_ErrorCallback(SMBUS_HandleTypeDef *hsmbus);
+
+/**
+  * @}
+  */
+
+/** @addtogroup SMBUS_Exported_Functions_Group3 Peripheral State and Errors functions
+ *  @{
+ */
+
+/* Peripheral State and Errors functions  **************************************************/
+uint32_t HAL_SMBUS_GetState(SMBUS_HandleTypeDef *hsmbus);
+uint32_t HAL_SMBUS_GetError(SMBUS_HandleTypeDef *hsmbus);
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Private Functions ---------------------------------------------------------*/
+/** @defgroup SMBUS_Private_Functions SMBUS Private Functions
+  * @{
+  */
+/* Private functions are defined in stm32f0xx_hal_smbus.c file */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* __STM32F0xx_HAL_SMBUS_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/