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TARGET_NUCLEO_F746ZG/stm32f7xx_hal_i2c.h
- Committer:
- Kojto
- Date:
- 2016-03-15
- Revision:
- 116:c0f6e94411f5
- Parent:
- 115:87f2f5183dfb
File content as of revision 116:c0f6e94411f5:
/** ****************************************************************************** * @file stm32f7xx_hal_i2c.h * @author MCD Application Team * @version V1.0.4 * @date 09-December-2015 * @brief Header file of I2C 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 __STM32F7xx_HAL_I2C_H #define __STM32F7xx_HAL_I2C_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f7xx_hal_def.h" /** @addtogroup STM32F7xx_HAL_Driver * @{ */ /** @addtogroup I2C * @{ */ /* Exported types ------------------------------------------------------------*/ /** @defgroup I2C_Exported_Types I2C Exported Types * @{ */ /** @defgroup I2C_Configuration_Structure_definition I2C Configuration Structure definition * @brief I2C Configuration Structure definition * @{ */ typedef struct { uint32_t Timing; /*!< Specifies the I2C_TIMINGR_register value. This parameter calculated by referring to I2C initialization section in Reference manual */ uint32_t OwnAddress1; /*!< Specifies the first device own address. This parameter can be a 7-bit or 10-bit address. */ uint32_t AddressingMode; /*!< Specifies if 7-bit or 10-bit addressing mode is selected. This parameter can be a value of @ref I2C_addressing_mode */ uint32_t DualAddressMode; /*!< Specifies if dual addressing mode is selected. This parameter can be a value of @ref I2C_dual_addressing_mode */ uint32_t OwnAddress2; /*!< Specifies the second device own address if dual addressing mode is selected This parameter can be a 7-bit address. */ uint32_t OwnAddress2Masks; /*!< Specifies the acknoledge mask address second device own address if dual addressing mode is selected This parameter can be a value of @ref I2C_own_address2_masks */ uint32_t GeneralCallMode; /*!< Specifies if general call mode is selected. This parameter can be a value of @ref I2C_general_call_addressing_mode */ uint32_t NoStretchMode; /*!< Specifies if nostretch mode is selected. This parameter can be a value of @ref I2C_nostretch_mode */ }I2C_InitTypeDef; /** * @} */ /** @defgroup HAL_state_structure_definition HAL state structure definition * @brief HAL State structure definition * @{ */ typedef enum { HAL_I2C_STATE_RESET = 0x00, /*!< I2C not yet initialized or disabled */ HAL_I2C_STATE_READY = 0x01, /*!< I2C initialized and ready for use */ HAL_I2C_STATE_BUSY = 0x02, /*!< I2C internal process is ongoing */ HAL_I2C_STATE_MASTER_BUSY_TX = 0x12, /*!< Master Data Transmission process is ongoing */ HAL_I2C_STATE_MASTER_BUSY_RX = 0x22, /*!< Master Data Reception process is ongoing */ HAL_I2C_STATE_SLAVE_BUSY_TX = 0x32, /*!< Slave Data Transmission process is ongoing */ HAL_I2C_STATE_SLAVE_BUSY_RX = 0x42, /*!< Slave Data Reception process is ongoing */ HAL_I2C_STATE_MEM_BUSY_TX = 0x52, /*!< Memory Data Transmission process is ongoing */ HAL_I2C_STATE_MEM_BUSY_RX = 0x62, /*!< Memory Data Reception process is ongoing */ HAL_I2C_STATE_TIMEOUT = 0x03, /*!< Timeout state */ HAL_I2C_STATE_ERROR = 0x04 /*!< Reception process is ongoing */ }HAL_I2C_StateTypeDef; /** * @} */ /** @defgroup I2C_Error_Code_definition I2C Error Code definition * @brief I2C Error Code definition * @{ */ #define HAL_I2C_ERROR_NONE ((uint32_t)0x00000000) /*!< No error */ #define HAL_I2C_ERROR_BERR ((uint32_t)0x00000001) /*!< BERR error */ #define HAL_I2C_ERROR_ARLO ((uint32_t)0x00000002) /*!< ARLO error */ #define HAL_I2C_ERROR_AF ((uint32_t)0x00000004) /*!< ACKF error */ #define HAL_I2C_ERROR_OVR ((uint32_t)0x00000008) /*!< OVR error */ #define HAL_I2C_ERROR_DMA ((uint32_t)0x00000010) /*!< DMA transfer error */ #define HAL_I2C_ERROR_TIMEOUT ((uint32_t)0x00000020) /*!< Timeout error */ #define HAL_I2C_ERROR_SIZE ((uint32_t)0x00000040) /*!< Size Management error */ /** * @} */ /** @defgroup I2C_handle_Structure_definition I2C handle Structure definition * @brief I2C handle Structure definition * @{ */ typedef struct { I2C_TypeDef *Instance; /*!< I2C registers base address */ I2C_InitTypeDef Init; /*!< I2C communication parameters */ uint8_t *pBuffPtr; /*!< Pointer to I2C transfer buffer */ uint16_t XferSize; /*!< I2C transfer size */ __IO uint16_t XferCount; /*!< I2C transfer counter */ DMA_HandleTypeDef *hdmatx; /*!< I2C Tx DMA handle parameters */ DMA_HandleTypeDef *hdmarx; /*!< I2C Rx DMA handle parameters */ HAL_LockTypeDef Lock; /*!< I2C locking object */ __IO HAL_I2C_StateTypeDef State; /*!< I2C communication state */ __IO uint32_t ErrorCode; /*!< I2C Error code */ }I2C_HandleTypeDef; /** * @} */ /** * @} */ /* Exported constants --------------------------------------------------------*/ /** @defgroup I2C_Exported_Constants I2C Exported Constants * @{ */ /** @defgroup I2C_addressing_mode I2C addressing mode * @{ */ #define I2C_ADDRESSINGMODE_7BIT ((uint32_t)0x00000001) #define I2C_ADDRESSINGMODE_10BIT ((uint32_t)0x00000002) /** * @} */ /** @defgroup I2C_dual_addressing_mode I2C dual addressing mode * @{ */ #define I2C_DUALADDRESS_DISABLE ((uint32_t)0x00000000) #define I2C_DUALADDRESS_ENABLE I2C_OAR2_OA2EN /** * @} */ /** @defgroup I2C_own_address2_masks I2C own address2 masks * @{ */ #define I2C_OA2_NOMASK ((uint8_t)0x00) #define I2C_OA2_MASK01 ((uint8_t)0x01) #define I2C_OA2_MASK02 ((uint8_t)0x02) #define I2C_OA2_MASK03 ((uint8_t)0x03) #define I2C_OA2_MASK04 ((uint8_t)0x04) #define I2C_OA2_MASK05 ((uint8_t)0x05) #define I2C_OA2_MASK06 ((uint8_t)0x06) #define I2C_OA2_MASK07 ((uint8_t)0x07) /** * @} */ /** @defgroup I2C_general_call_addressing_mode I2C general call addressing mode * @{ */ #define I2C_GENERALCALL_DISABLE ((uint32_t)0x00000000) #define I2C_GENERALCALL_ENABLE I2C_CR1_GCEN /** * @} */ /** @defgroup I2C_nostretch_mode I2C nostretch mode * @{ */ #define I2C_NOSTRETCH_DISABLE ((uint32_t)0x00000000) #define I2C_NOSTRETCH_ENABLE I2C_CR1_NOSTRETCH /** * @} */ /** @defgroup I2C_Memory_Address_Size I2C Memory Address Size * @{ */ #define I2C_MEMADD_SIZE_8BIT ((uint32_t)0x00000001) #define I2C_MEMADD_SIZE_16BIT ((uint32_t)0x00000002) /** * @} */ /** @defgroup I2C_ReloadEndMode_definition I2C ReloadEndMode definition * @{ */ #define I2C_RELOAD_MODE I2C_CR2_RELOAD #define I2C_AUTOEND_MODE I2C_CR2_AUTOEND #define I2C_SOFTEND_MODE ((uint32_t)0x00000000) /** * @} */ /** @defgroup I2C_StartStopMode_definition I2C StartStopMode definition * @{ */ #define I2C_NO_STARTSTOP ((uint32_t)0x00000000) #define I2C_GENERATE_STOP I2C_CR2_STOP #define I2C_GENERATE_START_READ (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN) #define I2C_GENERATE_START_WRITE I2C_CR2_START /** * @} */ /** @defgroup I2C_Interrupt_configuration_definition I2C Interrupt configuration definition * @brief I2C Interrupt definition * Elements values convention: 0xXXXXXXXX * - XXXXXXXX : Interrupt control mask * @{ */ #define I2C_IT_ERRI I2C_CR1_ERRIE #define I2C_IT_TCI I2C_CR1_TCIE #define I2C_IT_STOPI I2C_CR1_STOPIE #define I2C_IT_NACKI I2C_CR1_NACKIE #define I2C_IT_ADDRI I2C_CR1_ADDRIE #define I2C_IT_RXI I2C_CR1_RXIE #define I2C_IT_TXI I2C_CR1_TXIE /** * @} */ /** @defgroup I2C_Flag_definition I2C Flag definition * @{ */ #define I2C_FLAG_TXE I2C_ISR_TXE #define I2C_FLAG_TXIS I2C_ISR_TXIS #define I2C_FLAG_RXNE I2C_ISR_RXNE #define I2C_FLAG_ADDR I2C_ISR_ADDR #define I2C_FLAG_AF I2C_ISR_NACKF #define I2C_FLAG_STOPF I2C_ISR_STOPF #define I2C_FLAG_TC I2C_ISR_TC #define I2C_FLAG_TCR I2C_ISR_TCR #define I2C_FLAG_BERR I2C_ISR_BERR #define I2C_FLAG_ARLO I2C_ISR_ARLO #define I2C_FLAG_OVR I2C_ISR_OVR #define I2C_FLAG_PECERR I2C_ISR_PECERR #define I2C_FLAG_TIMEOUT I2C_ISR_TIMEOUT #define I2C_FLAG_ALERT I2C_ISR_ALERT #define I2C_FLAG_BUSY I2C_ISR_BUSY #define I2C_FLAG_DIR I2C_ISR_DIR /** * @} */ /** * @} */ /* Exported macros -----------------------------------------------------------*/ /** @defgroup I2C_Exported_Macros I2C Exported Macros * @{ */ /** @brief Reset I2C handle state * @param __HANDLE__: specifies the I2C Handle. * @retval None */ #define __HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET) /** @brief Enable the specified I2C interrupts. * @param __HANDLE__: specifies the I2C Handle. * @param __INTERRUPT__: specifies the interrupt source to enable. * This parameter can be one of the following values: * @arg I2C_IT_ERRI: Errors interrupt enable * @arg I2C_IT_TCI: Transfer complete interrupt enable * @arg I2C_IT_STOPI: STOP detection interrupt enable * @arg I2C_IT_NACKI: NACK received interrupt enable * @arg I2C_IT_ADDRI: Address match interrupt enable * @arg I2C_IT_RXI: RX interrupt enable * @arg I2C_IT_TXI: TX interrupt enable * * @retval None */ #define __HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 |= (__INTERRUPT__)) /** @brief Disable the specified I2C interrupts. * @param __HANDLE__: specifies the I2C Handle. * @param __INTERRUPT__: specifies the interrupt source to disable. * This parameter can be one of the following values: * @arg I2C_IT_ERRI: Errors interrupt enable * @arg I2C_IT_TCI: Transfer complete interrupt enable * @arg I2C_IT_STOPI: STOP detection interrupt enable * @arg I2C_IT_NACKI: NACK received interrupt enable * @arg I2C_IT_ADDRI: Address match interrupt enable * @arg I2C_IT_RXI: RX interrupt enable * @arg I2C_IT_TXI: TX interrupt enable * * @retval None */ #define __HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__))) /** @brief Checks if the specified I2C interrupt source is enabled or disabled. * @param __HANDLE__: specifies the I2C Handle. * @param __INTERRUPT__: specifies the I2C interrupt source to check. * This parameter can be one of the following values: * @arg I2C_IT_ERRI: Errors interrupt enable * @arg I2C_IT_TCI: Transfer complete interrupt enable * @arg I2C_IT_STOPI: STOP detection interrupt enable * @arg I2C_IT_NACKI: NACK received interrupt enable * @arg I2C_IT_ADDRI: Address match interrupt enable * @arg I2C_IT_RXI: RX interrupt enable * @arg I2C_IT_TXI: TX interrupt enable * * @retval The new state of __INTERRUPT__ (TRUE or FALSE). */ #define __HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR1 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET) /** @brief Checks whether the specified I2C flag is set or not. * @param __HANDLE__: specifies the I2C Handle. * @param __FLAG__: specifies the flag to check. * This parameter can be one of the following values: * @arg I2C_FLAG_TXE: Transmit data register empty * @arg I2C_FLAG_TXIS: Transmit interrupt status * @arg I2C_FLAG_RXNE: Receive data register not empty * @arg I2C_FLAG_ADDR: Address matched (slave mode) * @arg I2C_FLAG_AF: Acknowledge failure received flag * @arg I2C_FLAG_STOPF: STOP detection flag * @arg I2C_FLAG_TC: Transfer complete (master mode) * @arg I2C_FLAG_TCR: Transfer complete reload * @arg I2C_FLAG_BERR: Bus error * @arg I2C_FLAG_ARLO: Arbitration lost * @arg I2C_FLAG_OVR: Overrun/Underrun * @arg I2C_FLAG_PECERR: PEC error in reception * @arg I2C_FLAG_TIMEOUT: Timeout or Tlow detection flag * @arg I2C_FLAG_ALERT: SMBus alert * @arg I2C_FLAG_BUSY: Bus busy * @arg I2C_FLAG_DIR: Transfer direction (slave mode) * * @retval The new state of __FLAG__ (TRUE or FALSE). */ #define I2C_FLAG_MASK ((uint32_t)0x0001FFFF) #define __HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__) (((((__HANDLE__)->Instance->ISR) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK))) /** @brief Clears the I2C pending flags which are cleared by writing 1 in a specific bit. * @param __HANDLE__: specifies the I2C Handle. * @param __FLAG__: specifies the flag to clear. * This parameter can be any combination of the following values: * @arg I2C_FLAG_ADDR: Address matched (slave mode) * @arg I2C_FLAG_AF: Acknowledge failure received flag * @arg I2C_FLAG_STOPF: STOP detection flag * @arg I2C_FLAG_BERR: Bus error * @arg I2C_FLAG_ARLO: Arbitration lost * @arg I2C_FLAG_OVR: Overrun/Underrun * @arg I2C_FLAG_PECERR: PEC error in reception * @arg I2C_FLAG_TIMEOUT: Timeout or Tlow detection flag * @arg I2C_FLAG_ALERT: SMBus alert * * @retval None */ #define __HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = ((__FLAG__) & I2C_FLAG_MASK)) /** @brief Enable the specified I2C peripheral. * @param __HANDLE__: specifies the I2C Handle. * @retval None */ #define __HAL_I2C_ENABLE(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)) /** @brief Disable the specified I2C peripheral. * @param __HANDLE__: specifies the I2C Handle. * @retval None */ #define __HAL_I2C_DISABLE(__HANDLE__) (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)) /** * @} */ /* Include I2C HAL Extension module */ #include "stm32f7xx_hal_i2c_ex.h" /* Exported functions --------------------------------------------------------*/ /** @addtogroup I2C_Exported_Functions * @{ */ /** @addtogroup I2C_Exported_Functions_Group1 Initialization and de-initialization functions * @{ */ /* Initialization and de-initialization functions******************************/ HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c); HAL_StatusTypeDef HAL_I2C_DeInit (I2C_HandleTypeDef *hi2c); void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c); void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c); /** * @} */ /** @addtogroup I2C_Exported_Functions_Group2 Input and Output operation functions * @{ */ /* IO operation functions ****************************************************/ /******* Blocking mode: Polling */ HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout); HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout); HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout); HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout); HAL_StatusTypeDef HAL_I2C_Mem_Write(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout); HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout); HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout); /******* Non-Blocking mode: Interrupt */ HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_I2C_Mem_Write_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_I2C_Mem_Read_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); /******* Non-Blocking mode: DMA */ HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_I2C_Mem_Write_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_I2C_Mem_Read_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); /** * @} */ /** @addtogroup IRQ_Handler_and_Callbacks IRQ Handler and Callbacks * @{ */ /******* I2C IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */ void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef *hi2c); void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef *hi2c); void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef *hi2c); void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c); void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c); void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c); void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c); void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c); void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c); /** * @} */ /** @addtogroup I2C_Exported_Functions_Group3 Peripheral State and Errors functions * @{ */ /* Peripheral State and Errors functions *************************************/ HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c); uint32_t HAL_I2C_GetError(I2C_HandleTypeDef *hi2c); /** * @} */ /** * @} */ /* Private constants ---------------------------------------------------------*/ /** @defgroup I2C_Private_Constants I2C Private Constants * @{ */ /** * @} */ /* Private macros ------------------------------------------------------------*/ /** @defgroup I2C_Private_Macro I2C Private Macros * @{ */ #define IS_I2C_ADDRESSING_MODE(MODE) (((MODE) == I2C_ADDRESSINGMODE_7BIT) || \ ((MODE) == I2C_ADDRESSINGMODE_10BIT)) #define IS_I2C_DUAL_ADDRESS(ADDRESS) (((ADDRESS) == I2C_DUALADDRESS_DISABLE) || \ ((ADDRESS) == I2C_DUALADDRESS_ENABLE)) #define IS_I2C_OWN_ADDRESS2_MASK(MASK) (((MASK) == I2C_OA2_NOMASK) || \ ((MASK) == I2C_OA2_MASK01) || \ ((MASK) == I2C_OA2_MASK02) || \ ((MASK) == I2C_OA2_MASK03) || \ ((MASK) == I2C_OA2_MASK04) || \ ((MASK) == I2C_OA2_MASK05) || \ ((MASK) == I2C_OA2_MASK06) || \ ((MASK) == I2C_OA2_MASK07)) #define IS_I2C_GENERAL_CALL(CALL) (((CALL) == I2C_GENERALCALL_DISABLE) || \ ((CALL) == I2C_GENERALCALL_ENABLE)) #define IS_I2C_NO_STRETCH(STRETCH) (((STRETCH) == I2C_NOSTRETCH_DISABLE) || \ ((STRETCH) == I2C_NOSTRETCH_ENABLE)) #define IS_I2C_MEMADD_SIZE(SIZE) (((SIZE) == I2C_MEMADD_SIZE_8BIT) || \ ((SIZE) == I2C_MEMADD_SIZE_16BIT)) #define IS_TRANSFER_MODE(MODE) (((MODE) == I2C_RELOAD_MODE) || \ ((MODE) == I2C_AUTOEND_MODE) || \ ((MODE) == I2C_SOFTEND_MODE)) #define IS_TRANSFER_REQUEST(REQUEST) (((REQUEST) == I2C_GENERATE_STOP) || \ ((REQUEST) == I2C_GENERATE_START_READ) || \ ((REQUEST) == I2C_GENERATE_START_WRITE) || \ ((REQUEST) == I2C_NO_STARTSTOP)) #define I2C_RESET_CR2(__HANDLE__) ((__HANDLE__)->Instance->CR2 &= (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_HEAD10R | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_RD_WRN))) #define IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= (uint32_t)0x000003FF) #define IS_I2C_OWN_ADDRESS2(ADDRESS2) ((ADDRESS2) <= (uint16_t)0x00FF) #define I2C_MEM_ADD_MSB(__ADDRESS__) ((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0xFF00))) >> 8))) #define I2C_MEM_ADD_LSB(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FF)))) #define I2C_GENERATE_START(__ADDMODE__,__ADDRESS__) (((__ADDMODE__) == I2C_ADDRESSINGMODE_7BIT) ? (uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | (I2C_CR2_START) | (I2C_CR2_AUTOEND)) & (~I2C_CR2_RD_WRN)) : \ (uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | (I2C_CR2_ADD10) | (I2C_CR2_START)) & (~I2C_CR2_RD_WRN))) /** * @} */ /* Private Functions ---------------------------------------------------------*/ /** @defgroup I2C_Private_Functions I2C Private Functions * @{ */ /* Private functions are defined in stm32f7xx_hal_i2c.c file */ /** * @} */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32F7xx_HAL_I2C_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/