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TARGET_DISCO_L476VG/stm32l4xx_hal_smbus.h
- Committer:
- elijahorr
- Date:
- 2016-04-14
- Revision:
- 121:672067c3ada4
- Parent:
- 107:4f6c30876dfa
File content as of revision 121:672067c3ada4:
/** ****************************************************************************** * @file stm32l4xx_hal_smbus.h * @author MCD Application Team * @version V1.0.0 * @date 26-June-2015 * @brief Header file of SMBUS HAL module. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2015 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_SMBUS_H #define __STM32L4xx_HAL_SMBUS_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32l4xx_hal_def.h" /** @addtogroup STM32L4xx_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 ((uint32_t)0x00000000) /*!< SMBUS not yet initialized or disabled */ #define HAL_SMBUS_STATE_READY ((uint32_t)0x00000001) /*!< SMBUS initialized and ready for use */ #define HAL_SMBUS_STATE_BUSY ((uint32_t)0x00000002) /*!< SMBUS internal process is ongoing */ #define HAL_SMBUS_STATE_MASTER_BUSY_TX ((uint32_t)0x00000012) /*!< Master Data Transmission process is ongoing */ #define HAL_SMBUS_STATE_MASTER_BUSY_RX ((uint32_t)0x00000022) /*!< Master Data Reception process is ongoing */ #define HAL_SMBUS_STATE_SLAVE_BUSY_TX ((uint32_t)0x00000032) /*!< Slave Data Transmission process is ongoing */ #define HAL_SMBUS_STATE_SLAVE_BUSY_RX ((uint32_t)0x00000042) /*!< Slave Data Reception process is ongoing */ #define HAL_SMBUS_STATE_TIMEOUT ((uint32_t)0x00000003) /*!< Timeout state */ #define HAL_SMBUS_STATE_ERROR ((uint32_t)0x00000004) /*!< Reception process is ongoing */ #define HAL_SMBUS_STATE_LISTEN ((uint32_t)0x00000008) /*!< Address Listen Mode is ongoing */ /** * @} */ /** @defgroup SMBUS_Error_Code_definition SMBUS Error Code definition * @brief SMBUS Error Code definition * @{ */ #define HAL_SMBUS_ERROR_NONE ((uint32_t)0x00000000) /*!< No error */ #define HAL_SMBUS_ERROR_BERR ((uint32_t)0x00000001) /*!< BERR error */ #define HAL_SMBUS_ERROR_ARLO ((uint32_t)0x00000002) /*!< ARLO error */ #define HAL_SMBUS_ERROR_ACKF ((uint32_t)0x00000004) /*!< ACKF error */ #define HAL_SMBUS_ERROR_OVR ((uint32_t)0x00000008) /*!< OVR error */ #define HAL_SMBUS_ERROR_HALTIMEOUT ((uint32_t)0x00000010) /*!< Timeout error */ #define HAL_SMBUS_ERROR_BUSTIMEOUT ((uint32_t)0x00000020) /*!< Bus Timeout error */ #define HAL_SMBUS_ERROR_ALERT ((uint32_t)0x00000040) /*!< Alert error */ #define HAL_SMBUS_ERROR_PECERR ((uint32_t)0x00000080) /*!< 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 ((uint32_t)0x00000000) #define SMBUS_ANALOGFILTER_DISABLE I2C_CR1_ANFOFF /** * @} */ /** @defgroup SMBUS_addressing_mode SMBUS addressing mode * @{ */ #define SMBUS_ADDRESSINGMODE_7BIT ((uint32_t)0x00000001) #define SMBUS_ADDRESSINGMODE_10BIT ((uint32_t)0x00000002) /** * @} */ /** @defgroup SMBUS_dual_addressing_mode SMBUS dual addressing mode * @{ */ #define SMBUS_DUALADDRESS_DISABLE ((uint32_t)0x00000000) #define SMBUS_DUALADDRESS_ENABLE I2C_OAR2_OA2EN /** * @} */ /** @defgroup SMBUS_own_address2_masks SMBUS own address2 masks * @{ */ #define SMBUS_OA2_NOMASK ((uint8_t)0x00) #define SMBUS_OA2_MASK01 ((uint8_t)0x01) #define SMBUS_OA2_MASK02 ((uint8_t)0x02) #define SMBUS_OA2_MASK03 ((uint8_t)0x03) #define SMBUS_OA2_MASK04 ((uint8_t)0x04) #define SMBUS_OA2_MASK05 ((uint8_t)0x05) #define SMBUS_OA2_MASK06 ((uint8_t)0x06) #define SMBUS_OA2_MASK07 ((uint8_t)0x07) /** * @} */ /** @defgroup SMBUS_general_call_addressing_mode SMBUS general call addressing mode * @{ */ #define SMBUS_GENERALCALL_DISABLE ((uint32_t)0x00000000) #define SMBUS_GENERALCALL_ENABLE I2C_CR1_GCEN /** * @} */ /** @defgroup SMBUS_nostretch_mode SMBUS nostretch mode * @{ */ #define SMBUS_NOSTRETCH_DISABLE ((uint32_t)0x00000000) #define SMBUS_NOSTRETCH_ENABLE I2C_CR1_NOSTRETCH /** * @} */ /** @defgroup SMBUS_packet_error_check_mode SMBUS packet error check mode * @{ */ #define SMBUS_PEC_DISABLE ((uint32_t)0x00000000) #define SMBUS_PEC_ENABLE I2C_CR1_PECEN /** * @} */ /** @defgroup SMBUS_peripheral_mode SMBUS peripheral mode * @{ */ #define SMBUS_PERIPHERAL_MODE_SMBUS_HOST (uint32_t)(I2C_CR1_SMBHEN) #define SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE (uint32_t)(0x00000000) #define SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE_ARP (uint32_t)(I2C_CR1_SMBDEN) /** * @} */ /** @defgroup SMBUS_ReloadEndMode_definition SMBUS ReloadEndMode definition * @{ */ #define SMBUS_SOFTEND_MODE ((uint32_t)0x00000000) #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 ((uint32_t)0x00000000) #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 * @{ */ #define SMBUS_FIRST_FRAME ((uint32_t)(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)) /** * @} */ /** @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 SMBUS_IT_ERRI: Errors interrupt enable * @arg SMBUS_IT_TCI: Transfer complete interrupt enable * @arg SMBUS_IT_STOPI: STOP detection interrupt enable * @arg SMBUS_IT_NACKI: NACK received interrupt enable * @arg SMBUS_IT_ADDRI: Address match interrupt enable * @arg SMBUS_IT_RXI: RX interrupt enable * @arg 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 SMBUS_IT_ERRI: Errors interrupt enable * @arg SMBUS_IT_TCI: Transfer complete interrupt enable * @arg SMBUS_IT_STOPI: STOP detection interrupt enable * @arg SMBUS_IT_NACKI: NACK received interrupt enable * @arg SMBUS_IT_ADDRI: Address match interrupt enable * @arg SMBUS_IT_RXI: RX interrupt enable * @arg 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 SMBUS_IT_ERRI: Errors interrupt enable * @arg SMBUS_IT_TCI: Transfer complete interrupt enable * @arg SMBUS_IT_STOPI: STOP detection interrupt enable * @arg SMBUS_IT_NACKI: NACK received interrupt enable * @arg SMBUS_IT_ADDRI: Address match interrupt enable * @arg SMBUS_IT_RXI: RX interrupt enable * @arg 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 SMBUS_FLAG_TXE: Transmit data register empty * @arg SMBUS_FLAG_TXIS: Transmit interrupt status * @arg SMBUS_FLAG_RXNE: Receive data register not empty * @arg SMBUS_FLAG_ADDR: Address matched (slave mode) * @arg SMBUS_FLAG_AF: NACK received flag * @arg SMBUS_FLAG_STOPF: STOP detection flag * @arg SMBUS_FLAG_TC: Transfer complete (master mode) * @arg SMBUS_FLAG_TCR: Transfer complete reload * @arg SMBUS_FLAG_BERR: Bus error * @arg SMBUS_FLAG_ARLO: Arbitration lost * @arg SMBUS_FLAG_OVR: Overrun/Underrun * @arg SMBUS_FLAG_PECERR: PEC error in reception * @arg SMBUS_FLAG_TIMEOUT: Timeout or Tlow detection flag * @arg SMBUS_FLAG_ALERT: SMBus alert * @arg SMBUS_FLAG_BUSY: Bus busy * @arg SMBUS_FLAG_DIR: Transfer direction (slave mode) * * @retval The new state of __FLAG__ (TRUE or FALSE). */ #define SMBUS_FLAG_MASK ((uint32_t)0x0001FFFF) #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 SMBUS_FLAG_ADDR: Address matched (slave mode) * @arg SMBUS_FLAG_AF: NACK received flag * @arg SMBUS_FLAG_STOPF: STOP detection flag * @arg SMBUS_FLAG_BERR: Bus error * @arg SMBUS_FLAG_ARLO: Arbitration lost * @arg SMBUS_FLAG_OVR: Overrun/Underrun * @arg SMBUS_FLAG_PECERR: PEC error in reception * @arg SMBUS_FLAG_TIMEOUT: Timeout or Tlow detection flag * @arg 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_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_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)) #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) >> 17) #define SMBUS_GET_DIR(__HANDLE__) (((__HANDLE__)->Instance->ISR & I2C_ISR_DIR) >> 16) #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) <= (uint32_t)0x000003FF) #define IS_SMBUS_OWN_ADDRESS2(ADDRESS2) ((ADDRESS2) <= (uint16_t)0x00FF) /** * @} */ /* Private Functions ---------------------------------------------------------*/ /** @defgroup SMBUS_Private_Functions SMBUS Private Functions * @{ */ /* Private functions are defined in stm32l4xx_hal_smbus.c file */ /** * @} */ /* 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); /** * @} */ /** @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); /** * @} */ /** * @} */ /** * @} */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32L4xx_HAL_SMBUS_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/