STM32H735xx HAL User Manual
stm32h7xx_hal_smbus.h
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00001 /**
00002   ******************************************************************************
00003   * @file    stm32h7xx_hal_smbus.h
00004   * @author  MCD Application Team
00005   * @brief   Header file of SMBUS HAL module.
00006   ******************************************************************************
00007   * @attention
00008   *
00009   * Copyright (c) 2017 STMicroelectronics.
00010   * All rights reserved.
00011   *
00012   * This software is licensed under terms that can be found in the LICENSE file
00013   * in the root directory of this software component.
00014   * If no LICENSE file comes with this software, it is provided AS-IS.
00015   *
00016   ******************************************************************************
00017   */
00018 
00019 /* Define to prevent recursive inclusion -------------------------------------*/
00020 #ifndef STM32H7xx_HAL_SMBUS_H
00021 #define STM32H7xx_HAL_SMBUS_H
00022 
00023 #ifdef __cplusplus
00024 extern "C" {
00025 #endif
00026 
00027 /* Includes ------------------------------------------------------------------*/
00028 #include "stm32h7xx_hal_def.h"
00029 
00030 /** @addtogroup STM32H7xx_HAL_Driver
00031   * @{
00032   */
00033 
00034 /** @addtogroup SMBUS
00035   * @{
00036   */
00037 
00038 /* Exported types ------------------------------------------------------------*/
00039 /** @defgroup SMBUS_Exported_Types SMBUS Exported Types
00040   * @{
00041   */
00042 
00043 /** @defgroup SMBUS_Configuration_Structure_definition SMBUS Configuration Structure definition
00044   * @brief  SMBUS Configuration Structure definition
00045   * @{
00046   */
00047 typedef struct
00048 {
00049   uint32_t Timing;                 /*!< Specifies the SMBUS_TIMINGR_register value.
00050                                         This parameter calculated by referring to SMBUS initialization section
00051                                         in Reference manual */
00052   uint32_t AnalogFilter;           /*!< Specifies if Analog Filter is enable or not.
00053                                         This parameter can be a value of @ref SMBUS_Analog_Filter */
00054 
00055   uint32_t OwnAddress1;            /*!< Specifies the first device own address.
00056                                         This parameter can be a 7-bit or 10-bit address. */
00057 
00058   uint32_t AddressingMode;         /*!< Specifies if 7-bit or 10-bit addressing mode for master is selected.
00059                                         This parameter can be a value of @ref SMBUS_addressing_mode */
00060 
00061   uint32_t DualAddressMode;        /*!< Specifies if dual addressing mode is selected.
00062                                         This parameter can be a value of @ref SMBUS_dual_addressing_mode */
00063 
00064   uint32_t OwnAddress2;            /*!< Specifies the second device own address if dual addressing mode is selected
00065                                         This parameter can be a 7-bit address. */
00066 
00067   uint32_t OwnAddress2Masks;       /*!< Specifies the acknowledge mask address second device own address
00068                                         if dual addressing mode is selected
00069                                         This parameter can be a value of @ref SMBUS_own_address2_masks. */
00070 
00071   uint32_t GeneralCallMode;        /*!< Specifies if general call mode is selected.
00072                                         This parameter can be a value of @ref SMBUS_general_call_addressing_mode. */
00073 
00074   uint32_t NoStretchMode;          /*!< Specifies if nostretch mode is selected.
00075                                         This parameter can be a value of @ref SMBUS_nostretch_mode */
00076 
00077   uint32_t PacketErrorCheckMode;   /*!< Specifies if Packet Error Check mode is selected.
00078                                         This parameter can be a value of @ref SMBUS_packet_error_check_mode */
00079 
00080   uint32_t PeripheralMode;         /*!< Specifies which mode of Periphal is selected.
00081                                         This parameter can be a value of @ref SMBUS_peripheral_mode */
00082 
00083   uint32_t SMBusTimeout;           /*!< Specifies the content of the 32 Bits SMBUS_TIMEOUT_register value.
00084                                         (Enable bits and different timeout values)
00085                                         This parameter calculated by referring to SMBUS initialization section
00086                                         in Reference manual */
00087 } SMBUS_InitTypeDef;
00088 /**
00089   * @}
00090   */
00091 
00092 /** @defgroup HAL_state_definition HAL state definition
00093   * @brief  HAL State definition
00094   * @{
00095   */
00096 #define HAL_SMBUS_STATE_RESET           (0x00000000U)  /*!< SMBUS not yet initialized or disabled         */
00097 #define HAL_SMBUS_STATE_READY           (0x00000001U)  /*!< SMBUS initialized and ready for use           */
00098 #define HAL_SMBUS_STATE_BUSY            (0x00000002U)  /*!< SMBUS internal process is ongoing             */
00099 #define HAL_SMBUS_STATE_MASTER_BUSY_TX  (0x00000012U)  /*!< Master Data Transmission process is ongoing   */
00100 #define HAL_SMBUS_STATE_MASTER_BUSY_RX  (0x00000022U)  /*!< Master Data Reception process is ongoing      */
00101 #define HAL_SMBUS_STATE_SLAVE_BUSY_TX   (0x00000032U)  /*!< Slave Data Transmission process is ongoing    */
00102 #define HAL_SMBUS_STATE_SLAVE_BUSY_RX   (0x00000042U)  /*!< Slave Data Reception process is ongoing       */
00103 #define HAL_SMBUS_STATE_TIMEOUT         (0x00000003U)  /*!< Timeout state                                 */
00104 #define HAL_SMBUS_STATE_ERROR           (0x00000004U)  /*!< Reception process is ongoing                  */
00105 #define HAL_SMBUS_STATE_LISTEN          (0x00000008U)  /*!< Address Listen Mode is ongoing                */
00106 /**
00107   * @}
00108   */
00109 
00110 /** @defgroup SMBUS_Error_Code_definition SMBUS Error Code definition
00111   * @brief  SMBUS Error Code definition
00112   * @{
00113   */
00114 #define HAL_SMBUS_ERROR_NONE            (0x00000000U)    /*!< No error             */
00115 #define HAL_SMBUS_ERROR_BERR            (0x00000001U)    /*!< BERR error           */
00116 #define HAL_SMBUS_ERROR_ARLO            (0x00000002U)    /*!< ARLO error           */
00117 #define HAL_SMBUS_ERROR_ACKF            (0x00000004U)    /*!< ACKF error           */
00118 #define HAL_SMBUS_ERROR_OVR             (0x00000008U)    /*!< OVR error            */
00119 #define HAL_SMBUS_ERROR_HALTIMEOUT      (0x00000010U)    /*!< Timeout error        */
00120 #define HAL_SMBUS_ERROR_BUSTIMEOUT      (0x00000020U)    /*!< Bus Timeout error    */
00121 #define HAL_SMBUS_ERROR_ALERT           (0x00000040U)    /*!< Alert error          */
00122 #define HAL_SMBUS_ERROR_PECERR          (0x00000080U)    /*!< PEC error            */
00123 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
00124 #define HAL_SMBUS_ERROR_INVALID_CALLBACK  (0x00000100U)  /*!< Invalid Callback error   */
00125 #endif /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
00126 #define HAL_SMBUS_ERROR_INVALID_PARAM    (0x00000200U)   /*!< Invalid Parameters error */
00127 /**
00128   * @}
00129   */
00130 
00131 /** @defgroup SMBUS_handle_Structure_definition SMBUS handle Structure definition
00132   * @brief  SMBUS handle Structure definition
00133   * @{
00134   */
00135 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
00136 typedef struct __SMBUS_HandleTypeDef
00137 #else
00138 typedef struct
00139 #endif  /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
00140 {
00141   I2C_TypeDef                  *Instance;       /*!< SMBUS registers base address       */
00142 
00143   SMBUS_InitTypeDef            Init;            /*!< SMBUS communication parameters     */
00144 
00145   uint8_t                      *pBuffPtr;       /*!< Pointer to SMBUS transfer buffer   */
00146 
00147   uint16_t                     XferSize;        /*!< SMBUS transfer size                */
00148 
00149   __IO uint16_t                XferCount;       /*!< SMBUS transfer counter             */
00150 
00151   __IO uint32_t                XferOptions;     /*!< SMBUS transfer options             */
00152 
00153   __IO uint32_t                PreviousState;   /*!< SMBUS communication Previous state */
00154 
00155   HAL_LockTypeDef              Lock;            /*!< SMBUS locking object               */
00156 
00157   __IO uint32_t                State;           /*!< SMBUS communication state          */
00158 
00159   __IO uint32_t                ErrorCode;       /*!< SMBUS Error code                   */
00160 
00161 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
00162   void (* MasterTxCpltCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
00163   /*!< SMBUS Master Tx Transfer completed callback */
00164   void (* MasterRxCpltCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
00165   /*!< SMBUS Master Rx Transfer completed callback */
00166   void (* SlaveTxCpltCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
00167   /*!< SMBUS Slave Tx Transfer completed callback  */
00168   void (* SlaveRxCpltCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
00169   /*!< SMBUS Slave Rx Transfer completed callback  */
00170   void (* ListenCpltCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
00171   /*!< SMBUS Listen Complete callback              */
00172   void (* ErrorCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
00173   /*!< SMBUS Error callback                        */
00174 
00175   void (* AddrCallback)(struct __SMBUS_HandleTypeDef *hsmbus, uint8_t TransferDirection, uint16_t AddrMatchCode);
00176   /*!< SMBUS Slave Address Match callback */
00177 
00178   void (* MspInitCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
00179   /*!< SMBUS Msp Init callback                     */
00180   void (* MspDeInitCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
00181   /*!< SMBUS Msp DeInit callback                   */
00182 
00183 #endif  /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
00184 } SMBUS_HandleTypeDef;
00185 
00186 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
00187 /**
00188   * @brief  HAL SMBUS Callback ID enumeration definition
00189   */
00190 typedef enum
00191 {
00192   HAL_SMBUS_MASTER_TX_COMPLETE_CB_ID      = 0x00U,    /*!< SMBUS Master Tx Transfer completed callback ID  */
00193   HAL_SMBUS_MASTER_RX_COMPLETE_CB_ID      = 0x01U,    /*!< SMBUS Master Rx Transfer completed callback ID  */
00194   HAL_SMBUS_SLAVE_TX_COMPLETE_CB_ID       = 0x02U,    /*!< SMBUS Slave Tx Transfer completed callback ID   */
00195   HAL_SMBUS_SLAVE_RX_COMPLETE_CB_ID       = 0x03U,    /*!< SMBUS Slave Rx Transfer completed callback ID   */
00196   HAL_SMBUS_LISTEN_COMPLETE_CB_ID         = 0x04U,    /*!< SMBUS Listen Complete callback ID               */
00197   HAL_SMBUS_ERROR_CB_ID                   = 0x05U,    /*!< SMBUS Error callback ID                         */
00198 
00199   HAL_SMBUS_MSPINIT_CB_ID                 = 0x06U,    /*!< SMBUS Msp Init callback ID                      */
00200   HAL_SMBUS_MSPDEINIT_CB_ID               = 0x07U     /*!< SMBUS Msp DeInit callback ID                    */
00201 
00202 } HAL_SMBUS_CallbackIDTypeDef;
00203 
00204 /**
00205   * @brief  HAL SMBUS Callback pointer definition
00206   */
00207 typedef  void (*pSMBUS_CallbackTypeDef)(SMBUS_HandleTypeDef *hsmbus);
00208 /*!< pointer to an SMBUS callback function */
00209 typedef  void (*pSMBUS_AddrCallbackTypeDef)(SMBUS_HandleTypeDef *hsmbus, uint8_t TransferDirection,
00210                                             uint16_t AddrMatchCode);
00211 /*!< pointer to an SMBUS Address Match callback function */
00212 
00213 #endif /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
00214 /**
00215   * @}
00216   */
00217 
00218 /**
00219   * @}
00220   */
00221 /* Exported constants --------------------------------------------------------*/
00222 
00223 /** @defgroup SMBUS_Exported_Constants SMBUS Exported Constants
00224   * @{
00225   */
00226 
00227 /** @defgroup SMBUS_Analog_Filter SMBUS Analog Filter
00228   * @{
00229   */
00230 #define SMBUS_ANALOGFILTER_ENABLE               (0x00000000U)
00231 #define SMBUS_ANALOGFILTER_DISABLE              I2C_CR1_ANFOFF
00232 /**
00233   * @}
00234   */
00235 
00236 /** @defgroup SMBUS_addressing_mode SMBUS addressing mode
00237   * @{
00238   */
00239 #define SMBUS_ADDRESSINGMODE_7BIT               (0x00000001U)
00240 #define SMBUS_ADDRESSINGMODE_10BIT              (0x00000002U)
00241 /**
00242   * @}
00243   */
00244 
00245 /** @defgroup SMBUS_dual_addressing_mode SMBUS dual addressing mode
00246   * @{
00247   */
00248 
00249 #define SMBUS_DUALADDRESS_DISABLE               (0x00000000U)
00250 #define SMBUS_DUALADDRESS_ENABLE                I2C_OAR2_OA2EN
00251 /**
00252   * @}
00253   */
00254 
00255 /** @defgroup SMBUS_own_address2_masks SMBUS ownaddress2 masks
00256   * @{
00257   */
00258 
00259 #define SMBUS_OA2_NOMASK                        ((uint8_t)0x00U)
00260 #define SMBUS_OA2_MASK01                        ((uint8_t)0x01U)
00261 #define SMBUS_OA2_MASK02                        ((uint8_t)0x02U)
00262 #define SMBUS_OA2_MASK03                        ((uint8_t)0x03U)
00263 #define SMBUS_OA2_MASK04                        ((uint8_t)0x04U)
00264 #define SMBUS_OA2_MASK05                        ((uint8_t)0x05U)
00265 #define SMBUS_OA2_MASK06                        ((uint8_t)0x06U)
00266 #define SMBUS_OA2_MASK07                        ((uint8_t)0x07U)
00267 /**
00268   * @}
00269   */
00270 
00271 
00272 /** @defgroup SMBUS_general_call_addressing_mode SMBUS general call addressing mode
00273   * @{
00274   */
00275 #define SMBUS_GENERALCALL_DISABLE               (0x00000000U)
00276 #define SMBUS_GENERALCALL_ENABLE                I2C_CR1_GCEN
00277 /**
00278   * @}
00279   */
00280 
00281 /** @defgroup SMBUS_nostretch_mode SMBUS nostretch mode
00282   * @{
00283   */
00284 #define SMBUS_NOSTRETCH_DISABLE                 (0x00000000U)
00285 #define SMBUS_NOSTRETCH_ENABLE                  I2C_CR1_NOSTRETCH
00286 /**
00287   * @}
00288   */
00289 
00290 /** @defgroup SMBUS_packet_error_check_mode SMBUS packet error check mode
00291   * @{
00292   */
00293 #define SMBUS_PEC_DISABLE                       (0x00000000U)
00294 #define SMBUS_PEC_ENABLE                        I2C_CR1_PECEN
00295 /**
00296   * @}
00297   */
00298 
00299 /** @defgroup SMBUS_peripheral_mode SMBUS peripheral mode
00300   * @{
00301   */
00302 #define SMBUS_PERIPHERAL_MODE_SMBUS_HOST        I2C_CR1_SMBHEN
00303 #define SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE       (0x00000000U)
00304 #define SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE_ARP   I2C_CR1_SMBDEN
00305 /**
00306   * @}
00307   */
00308 
00309 /** @defgroup SMBUS_ReloadEndMode_definition SMBUS ReloadEndMode definition
00310   * @{
00311   */
00312 
00313 #define  SMBUS_SOFTEND_MODE                     (0x00000000U)
00314 #define  SMBUS_RELOAD_MODE                      I2C_CR2_RELOAD
00315 #define  SMBUS_AUTOEND_MODE                     I2C_CR2_AUTOEND
00316 #define  SMBUS_SENDPEC_MODE                     I2C_CR2_PECBYTE
00317 /**
00318   * @}
00319   */
00320 
00321 /** @defgroup SMBUS_StartStopMode_definition SMBUS StartStopMode definition
00322   * @{
00323   */
00324 
00325 #define  SMBUS_NO_STARTSTOP                     (0x00000000U)
00326 #define  SMBUS_GENERATE_STOP                    (uint32_t)(0x80000000U | I2C_CR2_STOP)
00327 #define  SMBUS_GENERATE_START_READ              (uint32_t)(0x80000000U | I2C_CR2_START | I2C_CR2_RD_WRN)
00328 #define  SMBUS_GENERATE_START_WRITE             (uint32_t)(0x80000000U | I2C_CR2_START)
00329 /**
00330   * @}
00331   */
00332 
00333 /** @defgroup SMBUS_XferOptions_definition SMBUS XferOptions definition
00334   * @{
00335   */
00336 
00337 /* List of XferOptions in usage of :
00338  * 1- Restart condition when direction change
00339  * 2- No Restart condition in other use cases
00340  */
00341 #define  SMBUS_FIRST_FRAME                      SMBUS_SOFTEND_MODE
00342 #define  SMBUS_NEXT_FRAME                       ((uint32_t)(SMBUS_RELOAD_MODE | SMBUS_SOFTEND_MODE))
00343 #define  SMBUS_FIRST_AND_LAST_FRAME_NO_PEC      SMBUS_AUTOEND_MODE
00344 #define  SMBUS_LAST_FRAME_NO_PEC                SMBUS_AUTOEND_MODE
00345 #define  SMBUS_FIRST_FRAME_WITH_PEC             ((uint32_t)(SMBUS_SOFTEND_MODE | SMBUS_SENDPEC_MODE))
00346 #define  SMBUS_FIRST_AND_LAST_FRAME_WITH_PEC    ((uint32_t)(SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE))
00347 #define  SMBUS_LAST_FRAME_WITH_PEC              ((uint32_t)(SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE))
00348 
00349 /* List of XferOptions in usage of :
00350  * 1- Restart condition in all use cases (direction change or not)
00351  */
00352 #define  SMBUS_OTHER_FRAME_NO_PEC               (0x000000AAU)
00353 #define  SMBUS_OTHER_FRAME_WITH_PEC             (0x0000AA00U)
00354 #define  SMBUS_OTHER_AND_LAST_FRAME_NO_PEC      (0x00AA0000U)
00355 #define  SMBUS_OTHER_AND_LAST_FRAME_WITH_PEC    (0xAA000000U)
00356 /**
00357   * @}
00358   */
00359 
00360 /** @defgroup SMBUS_Interrupt_configuration_definition SMBUS Interrupt configuration definition
00361   * @brief SMBUS Interrupt definition
00362   *        Elements values convention: 0xXXXXXXXX
00363   *           - XXXXXXXX  : Interrupt control mask
00364   * @{
00365   */
00366 #define SMBUS_IT_ERRI                           I2C_CR1_ERRIE
00367 #define SMBUS_IT_TCI                            I2C_CR1_TCIE
00368 #define SMBUS_IT_STOPI                          I2C_CR1_STOPIE
00369 #define SMBUS_IT_NACKI                          I2C_CR1_NACKIE
00370 #define SMBUS_IT_ADDRI                          I2C_CR1_ADDRIE
00371 #define SMBUS_IT_RXI                            I2C_CR1_RXIE
00372 #define SMBUS_IT_TXI                            I2C_CR1_TXIE
00373 #define SMBUS_IT_TX                             (SMBUS_IT_ERRI | SMBUS_IT_TCI | SMBUS_IT_STOPI | \
00374                                                  SMBUS_IT_NACKI | SMBUS_IT_TXI)
00375 #define SMBUS_IT_RX                             (SMBUS_IT_ERRI | SMBUS_IT_TCI | SMBUS_IT_NACKI | \
00376                                                  SMBUS_IT_RXI)
00377 #define SMBUS_IT_ALERT                          (SMBUS_IT_ERRI)
00378 #define SMBUS_IT_ADDR                           (SMBUS_IT_ADDRI | SMBUS_IT_STOPI | SMBUS_IT_NACKI)
00379 /**
00380   * @}
00381   */
00382 
00383 /** @defgroup SMBUS_Flag_definition SMBUS Flag definition
00384   * @brief Flag definition
00385   *        Elements values convention: 0xXXXXYYYY
00386   *           - XXXXXXXX  : Flag mask
00387   * @{
00388   */
00389 
00390 #define  SMBUS_FLAG_TXE                         I2C_ISR_TXE
00391 #define  SMBUS_FLAG_TXIS                        I2C_ISR_TXIS
00392 #define  SMBUS_FLAG_RXNE                        I2C_ISR_RXNE
00393 #define  SMBUS_FLAG_ADDR                        I2C_ISR_ADDR
00394 #define  SMBUS_FLAG_AF                          I2C_ISR_NACKF
00395 #define  SMBUS_FLAG_STOPF                       I2C_ISR_STOPF
00396 #define  SMBUS_FLAG_TC                          I2C_ISR_TC
00397 #define  SMBUS_FLAG_TCR                         I2C_ISR_TCR
00398 #define  SMBUS_FLAG_BERR                        I2C_ISR_BERR
00399 #define  SMBUS_FLAG_ARLO                        I2C_ISR_ARLO
00400 #define  SMBUS_FLAG_OVR                         I2C_ISR_OVR
00401 #define  SMBUS_FLAG_PECERR                      I2C_ISR_PECERR
00402 #define  SMBUS_FLAG_TIMEOUT                     I2C_ISR_TIMEOUT
00403 #define  SMBUS_FLAG_ALERT                       I2C_ISR_ALERT
00404 #define  SMBUS_FLAG_BUSY                        I2C_ISR_BUSY
00405 #define  SMBUS_FLAG_DIR                         I2C_ISR_DIR
00406 /**
00407   * @}
00408   */
00409 
00410 /**
00411   * @}
00412   */
00413 
00414 /* Exported macros ------------------------------------------------------------*/
00415 /** @defgroup SMBUS_Exported_Macros SMBUS Exported Macros
00416   * @{
00417   */
00418 
00419 /** @brief  Reset SMBUS handle state.
00420   * @param  __HANDLE__ specifies the SMBUS Handle.
00421   * @retval None
00422   */
00423 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
00424 #define __HAL_SMBUS_RESET_HANDLE_STATE(__HANDLE__)           do{                                               \
00425                                                                  (__HANDLE__)->State = HAL_SMBUS_STATE_RESET;  \
00426                                                                  (__HANDLE__)->MspInitCallback = NULL;            \
00427                                                                  (__HANDLE__)->MspDeInitCallback = NULL;          \
00428                                                                } while(0)
00429 #else
00430 #define __HAL_SMBUS_RESET_HANDLE_STATE(__HANDLE__)         ((__HANDLE__)->State = HAL_SMBUS_STATE_RESET)
00431 #endif /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
00432 
00433 /** @brief  Enable the specified SMBUS interrupts.
00434   * @param  __HANDLE__ specifies the SMBUS Handle.
00435   * @param  __INTERRUPT__ specifies the interrupt source to enable.
00436   *        This parameter can be one of the following values:
00437   *            @arg @ref SMBUS_IT_ERRI  Errors interrupt enable
00438   *            @arg @ref SMBUS_IT_TCI   Transfer complete interrupt enable
00439   *            @arg @ref SMBUS_IT_STOPI STOP detection interrupt enable
00440   *            @arg @ref SMBUS_IT_NACKI NACK received interrupt enable
00441   *            @arg @ref SMBUS_IT_ADDRI Address match interrupt enable
00442   *            @arg @ref SMBUS_IT_RXI   RX interrupt enable
00443   *            @arg @ref SMBUS_IT_TXI   TX interrupt enable
00444   *
00445   * @retval None
00446   */
00447 #define __HAL_SMBUS_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->CR1 |= (__INTERRUPT__))
00448 
00449 /** @brief  Disable the specified SMBUS interrupts.
00450   * @param  __HANDLE__ specifies the SMBUS Handle.
00451   * @param  __INTERRUPT__ specifies the interrupt source to disable.
00452   *        This parameter can be one of the following values:
00453   *            @arg @ref SMBUS_IT_ERRI  Errors interrupt enable
00454   *            @arg @ref SMBUS_IT_TCI   Transfer complete interrupt enable
00455   *            @arg @ref SMBUS_IT_STOPI STOP detection interrupt enable
00456   *            @arg @ref SMBUS_IT_NACKI NACK received interrupt enable
00457   *            @arg @ref SMBUS_IT_ADDRI Address match interrupt enable
00458   *            @arg @ref SMBUS_IT_RXI   RX interrupt enable
00459   *            @arg @ref SMBUS_IT_TXI   TX interrupt enable
00460   *
00461   * @retval None
00462   */
00463 #define __HAL_SMBUS_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__)))
00464 
00465 /** @brief  Check whether the specified SMBUS interrupt source is enabled or not.
00466   * @param  __HANDLE__ specifies the SMBUS Handle.
00467   * @param  __INTERRUPT__ specifies the SMBUS interrupt source to check.
00468   *          This parameter can be one of the following values:
00469   *            @arg @ref SMBUS_IT_ERRI  Errors interrupt enable
00470   *            @arg @ref SMBUS_IT_TCI   Transfer complete interrupt enable
00471   *            @arg @ref SMBUS_IT_STOPI STOP detection interrupt enable
00472   *            @arg @ref SMBUS_IT_NACKI NACK received interrupt enable
00473   *            @arg @ref SMBUS_IT_ADDRI Address match interrupt enable
00474   *            @arg @ref SMBUS_IT_RXI   RX interrupt enable
00475   *            @arg @ref SMBUS_IT_TXI   TX interrupt enable
00476   *
00477   * @retval The new state of __IT__ (SET or RESET).
00478   */
00479 #define __HAL_SMBUS_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) \
00480   ((((__HANDLE__)->Instance->CR1 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
00481 
00482 /** @brief  Check whether the specified SMBUS flag is set or not.
00483   * @param  __HANDLE__ specifies the SMBUS Handle.
00484   * @param  __FLAG__ specifies the flag to check.
00485   *        This parameter can be one of the following values:
00486   *            @arg @ref SMBUS_FLAG_TXE     Transmit data register empty
00487   *            @arg @ref SMBUS_FLAG_TXIS    Transmit interrupt status
00488   *            @arg @ref SMBUS_FLAG_RXNE    Receive data register not empty
00489   *            @arg @ref SMBUS_FLAG_ADDR    Address matched (slave mode)
00490   *            @arg @ref SMBUS_FLAG_AF      NACK received flag
00491   *            @arg @ref SMBUS_FLAG_STOPF   STOP detection flag
00492   *            @arg @ref SMBUS_FLAG_TC      Transfer complete (master mode)
00493   *            @arg @ref SMBUS_FLAG_TCR     Transfer complete reload
00494   *            @arg @ref SMBUS_FLAG_BERR    Bus error
00495   *            @arg @ref SMBUS_FLAG_ARLO    Arbitration lost
00496   *            @arg @ref SMBUS_FLAG_OVR     Overrun/Underrun
00497   *            @arg @ref SMBUS_FLAG_PECERR  PEC error in reception
00498   *            @arg @ref SMBUS_FLAG_TIMEOUT Timeout or Tlow detection flag
00499   *            @arg @ref SMBUS_FLAG_ALERT   SMBus alert
00500   *            @arg @ref SMBUS_FLAG_BUSY    Bus busy
00501   *            @arg @ref SMBUS_FLAG_DIR     Transfer direction (slave mode)
00502   *
00503   * @retval The new state of __FLAG__ (SET or RESET).
00504   */
00505 #define SMBUS_FLAG_MASK  (0x0001FFFFU)
00506 #define __HAL_SMBUS_GET_FLAG(__HANDLE__, __FLAG__) \
00507   (((((__HANDLE__)->Instance->ISR) & ((__FLAG__) & SMBUS_FLAG_MASK)) == \
00508     ((__FLAG__) & SMBUS_FLAG_MASK)) ? SET : RESET)
00509 
00510 /** @brief  Clear the SMBUS pending flags which are cleared by writing 1 in a specific bit.
00511   * @param  __HANDLE__ specifies the SMBUS Handle.
00512   * @param  __FLAG__ specifies the flag to clear.
00513   *          This parameter can be any combination of the following values:
00514   *            @arg @ref SMBUS_FLAG_TXE     Transmit data register empty
00515   *            @arg @ref SMBUS_FLAG_ADDR    Address matched (slave mode)
00516   *            @arg @ref SMBUS_FLAG_AF      NACK received flag
00517   *            @arg @ref SMBUS_FLAG_STOPF   STOP detection flag
00518   *            @arg @ref SMBUS_FLAG_BERR    Bus error
00519   *            @arg @ref SMBUS_FLAG_ARLO    Arbitration lost
00520   *            @arg @ref SMBUS_FLAG_OVR     Overrun/Underrun
00521   *            @arg @ref SMBUS_FLAG_PECERR  PEC error in reception
00522   *            @arg @ref SMBUS_FLAG_TIMEOUT Timeout or Tlow detection flag
00523   *            @arg @ref SMBUS_FLAG_ALERT   SMBus alert
00524   *
00525   * @retval None
00526   */
00527 #define __HAL_SMBUS_CLEAR_FLAG(__HANDLE__, __FLAG__)  (((__FLAG__) == SMBUS_FLAG_TXE) ? \
00528                                                        ((__HANDLE__)->Instance->ISR |= (__FLAG__)) : \
00529                                                        ((__HANDLE__)->Instance->ICR = (__FLAG__)))
00530 
00531 /** @brief  Enable the specified SMBUS peripheral.
00532   * @param  __HANDLE__ specifies the SMBUS Handle.
00533   * @retval None
00534   */
00535 #define __HAL_SMBUS_ENABLE(__HANDLE__)                  (SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
00536 
00537 /** @brief  Disable the specified SMBUS peripheral.
00538   * @param  __HANDLE__ specifies the SMBUS Handle.
00539   * @retval None
00540   */
00541 #define __HAL_SMBUS_DISABLE(__HANDLE__)                 (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
00542 
00543 /** @brief  Generate a Non-Acknowledge SMBUS peripheral in Slave mode.
00544   * @param  __HANDLE__ specifies the SMBUS Handle.
00545   * @retval None
00546   */
00547 #define __HAL_SMBUS_GENERATE_NACK(__HANDLE__)           (SET_BIT((__HANDLE__)->Instance->CR2, I2C_CR2_NACK))
00548 
00549 /**
00550   * @}
00551   */
00552 
00553 
00554 /* Private constants ---------------------------------------------------------*/
00555 
00556 /* Private macros ------------------------------------------------------------*/
00557 /** @defgroup SMBUS_Private_Macro SMBUS Private Macros
00558   * @{
00559   */
00560 
00561 #define IS_SMBUS_ANALOG_FILTER(FILTER)                  (((FILTER) == SMBUS_ANALOGFILTER_ENABLE) || \
00562                                                          ((FILTER) == SMBUS_ANALOGFILTER_DISABLE))
00563 
00564 #define IS_SMBUS_DIGITAL_FILTER(FILTER)                 ((FILTER) <= 0x0000000FU)
00565 
00566 #define IS_SMBUS_ADDRESSING_MODE(MODE)                  (((MODE) == SMBUS_ADDRESSINGMODE_7BIT)  || \
00567                                                          ((MODE) == SMBUS_ADDRESSINGMODE_10BIT))
00568 
00569 #define IS_SMBUS_DUAL_ADDRESS(ADDRESS)                  (((ADDRESS) == SMBUS_DUALADDRESS_DISABLE) || \
00570                                                          ((ADDRESS) == SMBUS_DUALADDRESS_ENABLE))
00571 
00572 #define IS_SMBUS_OWN_ADDRESS2_MASK(MASK)                (((MASK) == SMBUS_OA2_NOMASK)    || \
00573                                                          ((MASK) == SMBUS_OA2_MASK01)    || \
00574                                                          ((MASK) == SMBUS_OA2_MASK02)    || \
00575                                                          ((MASK) == SMBUS_OA2_MASK03)    || \
00576                                                          ((MASK) == SMBUS_OA2_MASK04)    || \
00577                                                          ((MASK) == SMBUS_OA2_MASK05)    || \
00578                                                          ((MASK) == SMBUS_OA2_MASK06)    || \
00579                                                          ((MASK) == SMBUS_OA2_MASK07))
00580 
00581 #define IS_SMBUS_GENERAL_CALL(CALL)                     (((CALL) == SMBUS_GENERALCALL_DISABLE) || \
00582                                                          ((CALL) == SMBUS_GENERALCALL_ENABLE))
00583 
00584 #define IS_SMBUS_NO_STRETCH(STRETCH)                    (((STRETCH) == SMBUS_NOSTRETCH_DISABLE) || \
00585                                                          ((STRETCH) == SMBUS_NOSTRETCH_ENABLE))
00586 
00587 #define IS_SMBUS_PEC(PEC)                               (((PEC) == SMBUS_PEC_DISABLE) || \
00588                                                          ((PEC) == SMBUS_PEC_ENABLE))
00589 
00590 #define IS_SMBUS_PERIPHERAL_MODE(MODE)                  (((MODE) == SMBUS_PERIPHERAL_MODE_SMBUS_HOST)   || \
00591                                                          ((MODE) == SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE)  || \
00592                                                          ((MODE) == SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE_ARP))
00593 
00594 #define IS_SMBUS_TRANSFER_MODE(MODE)                 (((MODE) == SMBUS_RELOAD_MODE)                          || \
00595                                                       ((MODE) == SMBUS_AUTOEND_MODE)                         || \
00596                                                       ((MODE) == SMBUS_SOFTEND_MODE)                         || \
00597                                                       ((MODE) == SMBUS_SENDPEC_MODE)                         || \
00598                                                       ((MODE) == (SMBUS_RELOAD_MODE | SMBUS_SENDPEC_MODE))   || \
00599                                                       ((MODE) == (SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE))  || \
00600                                                       ((MODE) == (SMBUS_AUTOEND_MODE | SMBUS_RELOAD_MODE))   || \
00601                                                       ((MODE) == (SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE | \
00602                                                                   SMBUS_RELOAD_MODE )))
00603 
00604 
00605 #define IS_SMBUS_TRANSFER_REQUEST(REQUEST)              (((REQUEST) == SMBUS_GENERATE_STOP)              || \
00606                                                          ((REQUEST) == SMBUS_GENERATE_START_READ)        || \
00607                                                          ((REQUEST) == SMBUS_GENERATE_START_WRITE)       || \
00608                                                          ((REQUEST) == SMBUS_NO_STARTSTOP))
00609 
00610 
00611 #define IS_SMBUS_TRANSFER_OPTIONS_REQUEST(REQUEST)   (IS_SMBUS_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST)       || \
00612                                                       ((REQUEST) == SMBUS_FIRST_FRAME)                       || \
00613                                                       ((REQUEST) == SMBUS_NEXT_FRAME)                        || \
00614                                                       ((REQUEST) == SMBUS_FIRST_AND_LAST_FRAME_NO_PEC)       || \
00615                                                       ((REQUEST) == SMBUS_LAST_FRAME_NO_PEC)                 || \
00616                                                       ((REQUEST) == SMBUS_FIRST_FRAME_WITH_PEC)              || \
00617                                                       ((REQUEST) == SMBUS_FIRST_AND_LAST_FRAME_WITH_PEC)     || \
00618                                                       ((REQUEST) == SMBUS_LAST_FRAME_WITH_PEC))
00619 
00620 #define IS_SMBUS_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST) (((REQUEST) == SMBUS_OTHER_FRAME_NO_PEC)             || \
00621                                                           ((REQUEST) == SMBUS_OTHER_AND_LAST_FRAME_NO_PEC)    || \
00622                                                           ((REQUEST) == SMBUS_OTHER_FRAME_WITH_PEC)           || \
00623                                                           ((REQUEST) == SMBUS_OTHER_AND_LAST_FRAME_WITH_PEC))
00624 
00625 #define SMBUS_RESET_CR1(__HANDLE__)                    ((__HANDLE__)->Instance->CR1 &= \
00626                                                         (uint32_t)~((uint32_t)(I2C_CR1_SMBHEN | I2C_CR1_SMBDEN | \
00627                                                                                I2C_CR1_PECEN)))
00628 #define SMBUS_RESET_CR2(__HANDLE__)                    ((__HANDLE__)->Instance->CR2 &= \
00629                                                         (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_HEAD10R | \
00630                                                                                I2C_CR2_NBYTES | I2C_CR2_RELOAD | \
00631                                                                                I2C_CR2_RD_WRN)))
00632 
00633 #define SMBUS_GENERATE_START(__ADDMODE__,__ADDRESS__)     (((__ADDMODE__) == SMBUS_ADDRESSINGMODE_7BIT) ? \
00634                                                            (uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | \
00635                                                                        (I2C_CR2_START) | (I2C_CR2_AUTOEND)) & \
00636                                                                       (~I2C_CR2_RD_WRN)) : \
00637                                                            (uint32_t)((((uint32_t)(__ADDRESS__) & \
00638                                                                         (I2C_CR2_SADD)) | (I2C_CR2_ADD10) | \
00639                                                                        (I2C_CR2_START)) & (~I2C_CR2_RD_WRN)))
00640 
00641 #define SMBUS_GET_ADDR_MATCH(__HANDLE__)                  (((__HANDLE__)->Instance->ISR & I2C_ISR_ADDCODE) >> 17U)
00642 #define SMBUS_GET_DIR(__HANDLE__)                         (((__HANDLE__)->Instance->ISR & I2C_ISR_DIR) >> 16U)
00643 #define SMBUS_GET_STOP_MODE(__HANDLE__)                   ((__HANDLE__)->Instance->CR2 & I2C_CR2_AUTOEND)
00644 #define SMBUS_GET_PEC_MODE(__HANDLE__)                    ((__HANDLE__)->Instance->CR2 & I2C_CR2_PECBYTE)
00645 #define SMBUS_GET_ALERT_ENABLED(__HANDLE__)                ((__HANDLE__)->Instance->CR1 & I2C_CR1_ALERTEN)
00646 
00647 #define SMBUS_CHECK_FLAG(__ISR__, __FLAG__)             ((((__ISR__) & ((__FLAG__) & SMBUS_FLAG_MASK)) == \
00648                                                           ((__FLAG__) & SMBUS_FLAG_MASK)) ? SET : RESET)
00649 #define SMBUS_CHECK_IT_SOURCE(__CR1__, __IT__)          ((((__CR1__) & (__IT__)) == (__IT__)) ? SET : RESET)
00650 
00651 #define IS_SMBUS_OWN_ADDRESS1(ADDRESS1)                         ((ADDRESS1) <= 0x000003FFU)
00652 #define IS_SMBUS_OWN_ADDRESS2(ADDRESS2)                         ((ADDRESS2) <= (uint16_t)0x00FFU)
00653 
00654 /**
00655   * @}
00656   */
00657 
00658 /* Include SMBUS HAL Extended module */
00659 #include "stm32h7xx_hal_smbus_ex.h"
00660 
00661 /* Exported functions --------------------------------------------------------*/
00662 /** @addtogroup SMBUS_Exported_Functions SMBUS Exported Functions
00663   * @{
00664   */
00665 
00666 /** @addtogroup SMBUS_Exported_Functions_Group1 Initialization and de-initialization functions
00667   * @{
00668   */
00669 
00670 /* Initialization and de-initialization functions  ****************************/
00671 HAL_StatusTypeDef HAL_SMBUS_Init(SMBUS_HandleTypeDef *hsmbus);
00672 HAL_StatusTypeDef HAL_SMBUS_DeInit(SMBUS_HandleTypeDef *hsmbus);
00673 void HAL_SMBUS_MspInit(SMBUS_HandleTypeDef *hsmbus);
00674 void HAL_SMBUS_MspDeInit(SMBUS_HandleTypeDef *hsmbus);
00675 HAL_StatusTypeDef HAL_SMBUS_ConfigAnalogFilter(SMBUS_HandleTypeDef *hsmbus, uint32_t AnalogFilter);
00676 HAL_StatusTypeDef HAL_SMBUS_ConfigDigitalFilter(SMBUS_HandleTypeDef *hsmbus, uint32_t DigitalFilter);
00677 
00678 /* Callbacks Register/UnRegister functions  ***********************************/
00679 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
00680 HAL_StatusTypeDef HAL_SMBUS_RegisterCallback(SMBUS_HandleTypeDef *hsmbus,
00681                                              HAL_SMBUS_CallbackIDTypeDef CallbackID,
00682                                              pSMBUS_CallbackTypeDef pCallback);
00683 HAL_StatusTypeDef HAL_SMBUS_UnRegisterCallback(SMBUS_HandleTypeDef *hsmbus,
00684                                                HAL_SMBUS_CallbackIDTypeDef CallbackID);
00685 
00686 HAL_StatusTypeDef HAL_SMBUS_RegisterAddrCallback(SMBUS_HandleTypeDef *hsmbus,
00687                                                  pSMBUS_AddrCallbackTypeDef pCallback);
00688 HAL_StatusTypeDef HAL_SMBUS_UnRegisterAddrCallback(SMBUS_HandleTypeDef *hsmbus);
00689 #endif /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
00690 /**
00691   * @}
00692   */
00693 
00694 /** @addtogroup SMBUS_Exported_Functions_Group2 Input and Output operation functions
00695   * @{
00696   */
00697 
00698 /* IO operation functions  *****************************************************/
00699 /** @addtogroup Blocking_mode_Polling Blocking mode Polling
00700   * @{
00701   */
00702 /******* Blocking mode: Polling */
00703 HAL_StatusTypeDef HAL_SMBUS_IsDeviceReady(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint32_t Trials,
00704                                           uint32_t Timeout);
00705 /**
00706   * @}
00707   */
00708 
00709 /** @addtogroup Non-Blocking_mode_Interrupt Non-Blocking mode Interrupt
00710   * @{
00711   */
00712 /******* Non-Blocking mode: Interrupt */
00713 HAL_StatusTypeDef HAL_SMBUS_Master_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress,
00714                                                uint8_t *pData, uint16_t Size, uint32_t XferOptions);
00715 HAL_StatusTypeDef HAL_SMBUS_Master_Receive_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress,
00716                                               uint8_t *pData, uint16_t Size, uint32_t XferOptions);
00717 HAL_StatusTypeDef HAL_SMBUS_Master_Abort_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress);
00718 HAL_StatusTypeDef HAL_SMBUS_Slave_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint8_t *pData, uint16_t Size,
00719                                               uint32_t XferOptions);
00720 HAL_StatusTypeDef HAL_SMBUS_Slave_Receive_IT(SMBUS_HandleTypeDef *hsmbus, uint8_t *pData, uint16_t Size,
00721                                              uint32_t XferOptions);
00722 
00723 HAL_StatusTypeDef HAL_SMBUS_EnableAlert_IT(SMBUS_HandleTypeDef *hsmbus);
00724 HAL_StatusTypeDef HAL_SMBUS_DisableAlert_IT(SMBUS_HandleTypeDef *hsmbus);
00725 HAL_StatusTypeDef HAL_SMBUS_EnableListen_IT(SMBUS_HandleTypeDef *hsmbus);
00726 HAL_StatusTypeDef HAL_SMBUS_DisableListen_IT(SMBUS_HandleTypeDef *hsmbus);
00727 /**
00728   * @}
00729   */
00730 
00731 /** @addtogroup SMBUS_IRQ_Handler_and_Callbacks IRQ Handler and Callbacks
00732   * @{
00733   */
00734 /******* SMBUS IRQHandler and Callbacks used in non blocking modes (Interrupt) */
00735 void HAL_SMBUS_EV_IRQHandler(SMBUS_HandleTypeDef *hsmbus);
00736 void HAL_SMBUS_ER_IRQHandler(SMBUS_HandleTypeDef *hsmbus);
00737 void HAL_SMBUS_MasterTxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
00738 void HAL_SMBUS_MasterRxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
00739 void HAL_SMBUS_SlaveTxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
00740 void HAL_SMBUS_SlaveRxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
00741 void HAL_SMBUS_AddrCallback(SMBUS_HandleTypeDef *hsmbus, uint8_t TransferDirection, uint16_t AddrMatchCode);
00742 void HAL_SMBUS_ListenCpltCallback(SMBUS_HandleTypeDef *hsmbus);
00743 void HAL_SMBUS_ErrorCallback(SMBUS_HandleTypeDef *hsmbus);
00744 
00745 /**
00746   * @}
00747   */
00748 
00749 /** @addtogroup SMBUS_Exported_Functions_Group3 Peripheral State and Errors functions
00750   *  @{
00751   */
00752 
00753 /* Peripheral State and Errors functions  **************************************************/
00754 uint32_t HAL_SMBUS_GetState(SMBUS_HandleTypeDef *hsmbus);
00755 uint32_t HAL_SMBUS_GetError(SMBUS_HandleTypeDef *hsmbus);
00756 
00757 /**
00758   * @}
00759   */
00760 
00761 /**
00762   * @}
00763   */
00764 
00765 /* Private Functions ---------------------------------------------------------*/
00766 /** @defgroup SMBUS_Private_Functions SMBUS Private Functions
00767   * @{
00768   */
00769 /* Private functions are defined in stm32h7xx_hal_smbus.c file */
00770 /**
00771   * @}
00772   */
00773 
00774 /**
00775   * @}
00776   */
00777 
00778 /**
00779   * @}
00780   */
00781 
00782 /**
00783   * @}
00784   */
00785 
00786 #ifdef __cplusplus
00787 }
00788 #endif
00789 
00790 
00791 #endif /* STM32H7xx_HAL_SMBUS_H */