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|
/**
******************************************************************************
* @file stm32f7xx_hal_i2c.h
* @author MCD Application Team
* @version V1.0.1
* @date 25-June-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****/
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