Collaboration diagram for I2C Exported Macros:

Macros
#define	__HAL_I2C_CLEAR_ADDRFLAG(__HANDLE__)
	Clears the I2C ADDR pending flag. More...

#define	__HAL_I2C_CLEAR_ADDRFLAG(__HANDLE__)
	Clears the I2C ADDR pending flag. More...

#define	__HAL_I2C_CLEAR_ADDRFLAG(__HANDLE__)
	Clears the I2C ADDR pending flag. More...

#define	__HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR1 = ~((__FLAG__) & I2C_FLAG_MASK))
	Clears the I2C pending flags which are cleared by writing 0 in a specific bit. More...

#define	__HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR1 = ~((__FLAG__) & I2C_FLAG_MASK))
	Clears the I2C pending flags which are cleared by writing 0 in a specific bit. More...

#define	__HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR1 = ~((__FLAG__) & I2C_FLAG_MASK))
	Clears the I2C pending flags which are cleared by writing 0 in a specific bit. More...

#define	__HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__)
	Clear the I2C pending flags which are cleared by writing 1 in a specific bit. More...

#define	__HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__)
	Clear the I2C pending flags which are cleared by writing 1 in a specific bit. More...

#define	__HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__)
	Clear the I2C pending flags which are cleared by writing 1 in a specific bit. More...

#define	__HAL_I2C_CLEAR_STOPFLAG(__HANDLE__)
	Clears the I2C STOPF pending flag. More...

#define	__HAL_I2C_CLEAR_STOPFLAG(__HANDLE__)
	Clears the I2C STOPF pending flag. More...

#define	__HAL_I2C_CLEAR_STOPFLAG(__HANDLE__)
	Clears the I2C STOPF pending flag. More...

#define	__HAL_I2C_DISABLE(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)
	Disable the specified I2C peripheral. More...

#define	__HAL_I2C_DISABLE(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)
	Disable the specified I2C peripheral. More...

#define	__HAL_I2C_DISABLE(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)
	Disable the specified I2C peripheral. More...

#define	__HAL_I2C_DISABLE(__HANDLE__) (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
	Disable the specified I2C peripheral. More...

#define	__HAL_I2C_DISABLE(__HANDLE__) (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
	Disable the specified I2C peripheral. More...

#define	__HAL_I2C_DISABLE(__HANDLE__) (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
	Disable the specified I2C peripheral. More...

#define	__HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) CLEAR_BIT((__HANDLE__)->Instance->CR2, (__INTERRUPT__))

#define	__HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) CLEAR_BIT((__HANDLE__)->Instance->CR2, (__INTERRUPT__))

#define	__HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) CLEAR_BIT((__HANDLE__)->Instance->CR2, (__INTERRUPT__))

#define	__HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__)))
	Disable the specified I2C interrupt. More...

#define	__HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__)))
	Disable the specified I2C interrupt. More...

#define	__HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__)))
	Disable the specified I2C interrupt. More...

#define	__HAL_I2C_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)
	Enable the specified I2C peripheral. More...

#define	__HAL_I2C_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)
	Enable the specified I2C peripheral. More...

#define	__HAL_I2C_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)
	Enable the specified I2C peripheral. More...

#define	__HAL_I2C_ENABLE(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
	Enable the specified I2C peripheral. More...

#define	__HAL_I2C_ENABLE(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
	Enable the specified I2C peripheral. More...

#define	__HAL_I2C_ENABLE(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
	Enable the specified I2C peripheral. More...

#define	__HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) SET_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__))
	Enable or disable the specified I2C interrupts. More...

#define	__HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) SET_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__))
	Enable or disable the specified I2C interrupts. More...

#define	__HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) SET_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__))
	Enable or disable the specified I2C interrupts. More...

#define	__HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 \|= (__INTERRUPT__))
	Enable the specified I2C interrupt. More...

#define	__HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 \|= (__INTERRUPT__))
	Enable the specified I2C interrupt. More...

#define	__HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 \|= (__INTERRUPT__))
	Enable the specified I2C interrupt. More...

#define	__HAL_I2C_GENERATE_NACK(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->CR2, I2C_CR2_NACK))
	Generate a Non-Acknowledge I2C peripheral in Slave mode. More...

#define	__HAL_I2C_GENERATE_NACK(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->CR2, I2C_CR2_NACK))
	Generate a Non-Acknowledge I2C peripheral in Slave mode. More...

#define	__HAL_I2C_GENERATE_NACK(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->CR2, I2C_CR2_NACK))
	Generate a Non-Acknowledge I2C peripheral in Slave mode. More...

#define	__HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__)
	Checks whether the specified I2C flag is set or not. More...

#define	__HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__)
	Checks whether the specified I2C flag is set or not. More...

#define	__HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__)
	Checks whether the specified I2C flag is set or not. More...

#define	__HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__) (((((__HANDLE__)->Instance->ISR) & (__FLAG__)) == (__FLAG__)) ? SET : RESET)

#define	__HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__) (((((__HANDLE__)->Instance->ISR) & (__FLAG__)) == (__FLAG__)) ? SET : RESET)

#define	__HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__)

#define	__HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
	Checks if the specified I2C interrupt source is enabled or disabled. More...

#define	__HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
	Checks if the specified I2C interrupt source is enabled or disabled. More...

#define	__HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
	Checks if the specified I2C interrupt source is enabled or disabled. More...

#define	__HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__)
	Check whether the specified I2C interrupt source is enabled or not. More...

#define	__HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR1 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
	Check whether the specified I2C interrupt source is enabled or not. More...

#define	__HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR1 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
	Check whether the specified I2C interrupt source is enabled or not. More...

#define	__HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)
	Reset I2C handle state. More...

#define	__HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)
	Reset I2C handle state. More...

#define	__HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)
	Reset I2C handle state. More...

#define	__HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)
	Reset I2C handle state. More...

#define	__HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)
	Reset I2C handle state. More...

#define	__HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)
	Reset I2C handle state. More...

#define	I2C_FLAG_MASK (0x0001FFFFU)
	Check whether the specified I2C flag is set or not. More...

#define	I2C_FLAG_MASK (0x0001FFFFU)
	Check whether the specified I2C flag is set or not. More...

#define	I2C_FLAG_MASK (0x0001FFFFU)
	Check whether the specified I2C flag is set or not. More...

Detailed Description

Macro Definition Documentation

◆ __HAL_I2C_CLEAR_ADDRFLAG [1/3]

#define __HAL_I2C_CLEAR_ADDRFLAG ( __HANDLE__ )

Value:

  do{                                           \
    __IO uint32_t tmpreg = 0x00U;               \
    tmpreg = (__HANDLE__)->Instance->SR1;       \
    tmpreg = (__HANDLE__)->Instance->SR2;       \
    UNUSED(tmpreg);                             \
  } while(0)

Clears the I2C ADDR pending flag.

Parameters

HANDLE specifies the I2C Handle. This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral.

Return values

None

Definition at line 497 of file stm32f407/stm32f407g-disc1/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_CLEAR_ADDRFLAG [2/3]

#define __HAL_I2C_CLEAR_ADDRFLAG ( __HANDLE__ )

Value:

  do{                                           \
    __IO uint32_t tmpreg = 0x00U;               \
    tmpreg = (__HANDLE__)->Instance->SR1;       \
    tmpreg = (__HANDLE__)->Instance->SR2;       \
    UNUSED(tmpreg);                             \
  } while(0)

Clears the I2C ADDR pending flag.

Parameters

HANDLE specifies the I2C Handle. This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral.

Return values

None

Definition at line 497 of file stm32f411/stm32f411e-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_CLEAR_ADDRFLAG [3/3]

#define __HAL_I2C_CLEAR_ADDRFLAG ( __HANDLE__ )

Value:

  do{                                           \
    __IO uint32_t tmpreg = 0x00U;               \
    tmpreg = (__HANDLE__)->Instance->SR1;       \
    tmpreg = (__HANDLE__)->Instance->SR2;       \
    UNUSED(tmpreg);                             \
  } while(0)

Clears the I2C ADDR pending flag.

Parameters

HANDLE specifies the I2C Handle. This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral.

Return values

None

Definition at line 497 of file stm32f469/stm32f469i-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_CLEAR_FLAG [1/6]

#define __HAL_I2C_CLEAR_FLAG	(	__HANDLE__,
		__FLAG__
	)	((__HANDLE__)->Instance->SR1 = ~((__FLAG__) & I2C_FLAG_MASK))

Clears the I2C pending flags which are cleared by writing 0 in a specific bit.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>FLAG</strong>	specifies the flag to clear. This parameter can be any combination of the following values: I2C_FLAG_OVR: Overrun/Underrun flag (Slave mode) I2C_FLAG_AF: Acknowledge failure flag I2C_FLAG_ARLO: Arbitration lost flag (Master mode) I2C_FLAG_BERR: Bus error flag

Return values

None

Definition at line 490 of file stm32f411/stm32f411e-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_CLEAR_FLAG [2/6]

#define __HAL_I2C_CLEAR_FLAG	(	__HANDLE__,
		__FLAG__
	)	((__HANDLE__)->Instance->SR1 = ~((__FLAG__) & I2C_FLAG_MASK))

Clears the I2C pending flags which are cleared by writing 0 in a specific bit.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>FLAG</strong>	specifies the flag to clear. This parameter can be any combination of the following values: I2C_FLAG_OVR: Overrun/Underrun flag (Slave mode) I2C_FLAG_AF: Acknowledge failure flag I2C_FLAG_ARLO: Arbitration lost flag (Master mode) I2C_FLAG_BERR: Bus error flag

Return values

None

Definition at line 490 of file stm32f407/stm32f407g-disc1/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_CLEAR_FLAG [3/6]

#define __HAL_I2C_CLEAR_FLAG	(	__HANDLE__,
		__FLAG__
	)	((__HANDLE__)->Instance->SR1 = ~((__FLAG__) & I2C_FLAG_MASK))

Clears the I2C pending flags which are cleared by writing 0 in a specific bit.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>FLAG</strong>	specifies the flag to clear. This parameter can be any combination of the following values: I2C_FLAG_OVR: Overrun/Underrun flag (Slave mode) I2C_FLAG_AF: Acknowledge failure flag I2C_FLAG_ARLO: Arbitration lost flag (Master mode) I2C_FLAG_BERR: Bus error flag

Return values

None

Definition at line 490 of file stm32f469/stm32f469i-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_CLEAR_FLAG [4/6]

#define __HAL_I2C_CLEAR_FLAG	(	__HANDLE__,
		__FLAG__
	)

Value:

(((__FLAG__) == I2C_FLAG_TXE) ? ((__HANDLE__)->Instance->ISR |= (__FLAG__)) \

: ((__HANDLE__)->Instance->ICR = (__FLAG__)))

Clear the I2C pending flags which are cleared by writing 1 in a specific bit.

Parameters

HANDLE specifies the I2C Handle.

FLAG

specifies the flag to clear. This parameter can be any combination of the following values:

I2C_FLAG_TXE Transmit data register empty
I2C_FLAG_ADDR Address matched (slave mode)
I2C_FLAG_AF Acknowledge failure received flag
I2C_FLAG_STOPF STOP detection flag
I2C_FLAG_BERR Bus error
I2C_FLAG_ARLO Arbitration lost
I2C_FLAG_OVR Overrun/Underrun
I2C_FLAG_PECERR PEC error in reception
I2C_FLAG_TIMEOUT Timeout or Tlow detection flag
I2C_FLAG_ALERT SMBus alert

Return values

None

Definition at line 543 of file stm32f7xx_hal_i2c.h.

◆ __HAL_I2C_CLEAR_FLAG [5/6]

#define __HAL_I2C_CLEAR_FLAG	(	__HANDLE__,
		__FLAG__
	)

Value:

(((__FLAG__) == I2C_FLAG_TXE) ? ((__HANDLE__)->Instance->ISR |= (__FLAG__)) \

: ((__HANDLE__)->Instance->ICR = (__FLAG__)))

Clear the I2C pending flags which are cleared by writing 1 in a specific bit.

Parameters

HANDLE specifies the I2C Handle.

FLAG

specifies the flag to clear. This parameter can be any combination of the following values:

I2C_FLAG_TXE Transmit data register empty
I2C_FLAG_ADDR Address matched (slave mode)
I2C_FLAG_AF Acknowledge failure received flag
I2C_FLAG_STOPF STOP detection flag
I2C_FLAG_BERR Bus error
I2C_FLAG_ARLO Arbitration lost
I2C_FLAG_OVR Overrun/Underrun
I2C_FLAG_PECERR PEC error in reception
I2C_FLAG_TIMEOUT Timeout or Tlow detection flag
I2C_FLAG_ALERT SMBus alert

Return values

None

Definition at line 543 of file stm32h747/stm32h747i-disco/CM7/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_CLEAR_FLAG [6/6]

#define __HAL_I2C_CLEAR_FLAG	(	__HANDLE__,
		__FLAG__
	)

Value:

(((__FLAG__) == I2C_FLAG_TXE) ? ((__HANDLE__)->Instance->ISR |= (__FLAG__)) \

: ((__HANDLE__)->Instance->ICR = (__FLAG__)))

Clear the I2C pending flags which are cleared by writing 1 in a specific bit.

Parameters

HANDLE specifies the I2C Handle.

FLAG

specifies the flag to clear. This parameter can be any combination of the following values:

I2C_FLAG_TXE Transmit data register empty
I2C_FLAG_ADDR Address matched (slave mode)
I2C_FLAG_AF Acknowledge failure received flag
I2C_FLAG_STOPF STOP detection flag
I2C_FLAG_BERR Bus error
I2C_FLAG_ARLO Arbitration lost
I2C_FLAG_OVR Overrun/Underrun
I2C_FLAG_PECERR PEC error in reception
I2C_FLAG_TIMEOUT Timeout or Tlow detection flag
I2C_FLAG_ALERT SMBus alert

Return values

None

Definition at line 545 of file stm32h735/stm32h735g-dk/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_CLEAR_STOPFLAG [1/3]

#define __HAL_I2C_CLEAR_STOPFLAG ( __HANDLE__ )

Value:

  do{                                                  \
    __IO uint32_t tmpreg = 0x00U;                      \
    tmpreg = (__HANDLE__)->Instance->SR1;              \
    SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE);  \
    UNUSED(tmpreg);                                    \
  } while(0)

Clears the I2C STOPF pending flag.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 509 of file stm32f407/stm32f407g-disc1/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_CLEAR_STOPFLAG [2/3]

#define __HAL_I2C_CLEAR_STOPFLAG ( __HANDLE__ )

Value:

  do{                                                  \
    __IO uint32_t tmpreg = 0x00U;                      \
    tmpreg = (__HANDLE__)->Instance->SR1;              \
    SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE);  \
    UNUSED(tmpreg);                                    \
  } while(0)

Clears the I2C STOPF pending flag.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 509 of file stm32f411/stm32f411e-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_CLEAR_STOPFLAG [3/3]

#define __HAL_I2C_CLEAR_STOPFLAG ( __HANDLE__ )

Value:

  do{                                                  \
    __IO uint32_t tmpreg = 0x00U;                      \
    tmpreg = (__HANDLE__)->Instance->SR1;              \
    SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE);  \
    UNUSED(tmpreg);                                    \
  } while(0)

Clears the I2C STOPF pending flag.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 509 of file stm32f469/stm32f469i-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_DISABLE [1/6]

#define __HAL_I2C_DISABLE ( __HANDLE__ ) CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)

Disable the specified I2C peripheral.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 527 of file stm32f411/stm32f411e-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_DISABLE [2/6]

#define __HAL_I2C_DISABLE ( __HANDLE__ ) CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)

Disable the specified I2C peripheral.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 527 of file stm32f407/stm32f407g-disc1/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_DISABLE [3/6]

#define __HAL_I2C_DISABLE ( __HANDLE__ ) CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)

Disable the specified I2C peripheral.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 527 of file stm32f469/stm32f469i-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_DISABLE [4/6]

#define __HAL_I2C_DISABLE ( __HANDLE__ ) (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))

Disable the specified I2C peripheral.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 556 of file stm32f7xx_hal_i2c.h.

◆ __HAL_I2C_DISABLE [5/6]

#define __HAL_I2C_DISABLE ( __HANDLE__ ) (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))

Disable the specified I2C peripheral.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 556 of file stm32h747/stm32h747i-disco/CM7/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_DISABLE [6/6]

#define __HAL_I2C_DISABLE ( __HANDLE__ ) (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))

Disable the specified I2C peripheral.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 558 of file stm32h735/stm32h735g-dk/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_DISABLE_IT [1/6]

#define __HAL_I2C_DISABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	CLEAR_BIT((__HANDLE__)->Instance->CR2, (__INTERRUPT__))

Definition at line 440 of file stm32f469/stm32f469i-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_DISABLE_IT [2/6]

#define __HAL_I2C_DISABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	CLEAR_BIT((__HANDLE__)->Instance->CR2, (__INTERRUPT__))

Definition at line 440 of file stm32f411/stm32f411e-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_DISABLE_IT [3/6]

#define __HAL_I2C_DISABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	CLEAR_BIT((__HANDLE__)->Instance->CR2, (__INTERRUPT__))

Definition at line 440 of file stm32f407/stm32f407g-disc1/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_DISABLE_IT [4/6]

#define __HAL_I2C_DISABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__)))

Disable the specified I2C interrupt.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the interrupt source to disable. This parameter can be one of the following values: I2C_IT_ERRI Errors interrupt enable I2C_IT_TCI Transfer complete interrupt enable I2C_IT_STOPI STOP detection interrupt enable I2C_IT_NACKI NACK received interrupt enable I2C_IT_ADDRI Address match interrupt enable I2C_IT_RXI RX interrupt enable I2C_IT_TXI TX interrupt enable

Return values

None

Definition at line 482 of file stm32f7xx_hal_i2c.h.

◆ __HAL_I2C_DISABLE_IT [5/6]

#define __HAL_I2C_DISABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__)))

Disable the specified I2C interrupt.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the interrupt source to disable. This parameter can be one of the following values: I2C_IT_ERRI Errors interrupt enable I2C_IT_TCI Transfer complete interrupt enable I2C_IT_STOPI STOP detection interrupt enable I2C_IT_NACKI NACK received interrupt enable I2C_IT_ADDRI Address match interrupt enable I2C_IT_RXI RX interrupt enable I2C_IT_TXI TX interrupt enable

Return values

None

Definition at line 482 of file stm32h735/stm32h735g-dk/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_DISABLE_IT [6/6]

#define __HAL_I2C_DISABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__)))

Disable the specified I2C interrupt.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the interrupt source to disable. This parameter can be one of the following values: I2C_IT_ERRI Errors interrupt enable I2C_IT_TCI Transfer complete interrupt enable I2C_IT_STOPI STOP detection interrupt enable I2C_IT_NACKI NACK received interrupt enable I2C_IT_ADDRI Address match interrupt enable I2C_IT_RXI RX interrupt enable I2C_IT_TXI TX interrupt enable

Return values

None

Definition at line 482 of file stm32h747/stm32h747i-disco/CM7/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_ENABLE [1/6]

#define __HAL_I2C_ENABLE ( __HANDLE__ ) SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)

Enable the specified I2C peripheral.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 521 of file stm32f407/stm32f407g-disc1/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_ENABLE [2/6]

#define __HAL_I2C_ENABLE ( __HANDLE__ ) SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)

Enable the specified I2C peripheral.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 521 of file stm32f411/stm32f411e-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_ENABLE [3/6]

#define __HAL_I2C_ENABLE ( __HANDLE__ ) SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)

Enable the specified I2C peripheral.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 521 of file stm32f469/stm32f469i-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_ENABLE [4/6]

#define __HAL_I2C_ENABLE ( __HANDLE__ ) (SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))

Enable the specified I2C peripheral.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 550 of file stm32h747/stm32h747i-disco/CM7/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_ENABLE [5/6]

#define __HAL_I2C_ENABLE ( __HANDLE__ ) (SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))

Enable the specified I2C peripheral.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 550 of file stm32f7xx_hal_i2c.h.

◆ __HAL_I2C_ENABLE [6/6]

#define __HAL_I2C_ENABLE ( __HANDLE__ ) (SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))

Enable the specified I2C peripheral.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 552 of file stm32h735/stm32h735g-dk/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_ENABLE_IT [1/6]

#define __HAL_I2C_ENABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	SET_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__))

Enable or disable the specified I2C interrupts.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the interrupt source to enable or disable. This parameter can be one of the following values: I2C_IT_BUF: Buffer interrupt enable I2C_IT_EVT: Event interrupt enable I2C_IT_ERR: Error interrupt enable

Return values

None

Definition at line 439 of file stm32f407/stm32f407g-disc1/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_ENABLE_IT [2/6]

#define __HAL_I2C_ENABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	SET_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__))

Enable or disable the specified I2C interrupts.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the interrupt source to enable or disable. This parameter can be one of the following values: I2C_IT_BUF: Buffer interrupt enable I2C_IT_EVT: Event interrupt enable I2C_IT_ERR: Error interrupt enable

Return values

None

Definition at line 439 of file stm32f469/stm32f469i-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_ENABLE_IT [3/6]

#define __HAL_I2C_ENABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	SET_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__))

Enable or disable the specified I2C interrupts.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the interrupt source to enable or disable. This parameter can be one of the following values: I2C_IT_BUF: Buffer interrupt enable I2C_IT_EVT: Event interrupt enable I2C_IT_ERR: Error interrupt enable

Return values

None

Definition at line 439 of file stm32f411/stm32f411e-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_ENABLE_IT [4/6]

#define __HAL_I2C_ENABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	((__HANDLE__)->Instance->CR1 \|= (__INTERRUPT__))

Enable the specified I2C interrupt.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the interrupt source to enable. This parameter can be one of the following values: I2C_IT_ERRI Errors interrupt enable I2C_IT_TCI Transfer complete interrupt enable I2C_IT_STOPI STOP detection interrupt enable I2C_IT_NACKI NACK received interrupt enable I2C_IT_ADDRI Address match interrupt enable I2C_IT_RXI RX interrupt enable I2C_IT_TXI TX interrupt enable

Return values

None

Definition at line 466 of file stm32f7xx_hal_i2c.h.

◆ __HAL_I2C_ENABLE_IT [5/6]

#define __HAL_I2C_ENABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	((__HANDLE__)->Instance->CR1 \|= (__INTERRUPT__))

Enable the specified I2C interrupt.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the interrupt source to enable. This parameter can be one of the following values: I2C_IT_ERRI Errors interrupt enable I2C_IT_TCI Transfer complete interrupt enable I2C_IT_STOPI STOP detection interrupt enable I2C_IT_NACKI NACK received interrupt enable I2C_IT_ADDRI Address match interrupt enable I2C_IT_RXI RX interrupt enable I2C_IT_TXI TX interrupt enable

Return values

None

Definition at line 466 of file stm32h735/stm32h735g-dk/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_ENABLE_IT [6/6]

#define __HAL_I2C_ENABLE_IT	(	__HANDLE__,
		__INTERRUPT__
	)	((__HANDLE__)->Instance->CR1 \|= (__INTERRUPT__))

Enable the specified I2C interrupt.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the interrupt source to enable. This parameter can be one of the following values: I2C_IT_ERRI Errors interrupt enable I2C_IT_TCI Transfer complete interrupt enable I2C_IT_STOPI STOP detection interrupt enable I2C_IT_NACKI NACK received interrupt enable I2C_IT_ADDRI Address match interrupt enable I2C_IT_RXI RX interrupt enable I2C_IT_TXI TX interrupt enable

Return values

None

Definition at line 466 of file stm32h747/stm32h747i-disco/CM7/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_GENERATE_NACK [1/3]

#define __HAL_I2C_GENERATE_NACK ( __HANDLE__ ) (SET_BIT((__HANDLE__)->Instance->CR2, I2C_CR2_NACK))

Generate a Non-Acknowledge I2C peripheral in Slave mode.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 562 of file stm32f7xx_hal_i2c.h.

◆ __HAL_I2C_GENERATE_NACK [2/3]

#define __HAL_I2C_GENERATE_NACK ( __HANDLE__ ) (SET_BIT((__HANDLE__)->Instance->CR2, I2C_CR2_NACK))

Generate a Non-Acknowledge I2C peripheral in Slave mode.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 562 of file stm32h747/stm32h747i-disco/CM7/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_GENERATE_NACK [3/3]

#define __HAL_I2C_GENERATE_NACK ( __HANDLE__ ) (SET_BIT((__HANDLE__)->Instance->CR2, I2C_CR2_NACK))

Generate a Non-Acknowledge I2C peripheral in Slave mode.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 564 of file stm32h735/stm32h735g-dk/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_GET_FLAG [1/6]

#define __HAL_I2C_GET_FLAG	(	__HANDLE__,
		__FLAG__
	)

Value:

                                                  ((((uint8_t)((__FLAG__) >> 16U)) == 0x01U) ? \
                                                  (((((__HANDLE__)->Instance->SR1) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)) ? SET : RESET) : \
                                                  (((((__HANDLE__)->Instance->SR2) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)) ? SET : RESET))

Checks whether the specified I2C flag is set or not.

Parameters

HANDLE specifies the I2C Handle.

FLAG

specifies the flag to check. This parameter can be one of the following values:

I2C_FLAG_OVR: Overrun/Underrun flag
I2C_FLAG_AF: Acknowledge failure flag
I2C_FLAG_ARLO: Arbitration lost flag
I2C_FLAG_BERR: Bus error flag
I2C_FLAG_TXE: Data register empty flag
I2C_FLAG_RXNE: Data register not empty flag
I2C_FLAG_STOPF: Stop detection flag
I2C_FLAG_ADD10: 10-bit header sent flag
I2C_FLAG_BTF: Byte transfer finished flag
I2C_FLAG_ADDR: Address sent flag Address matched flag
I2C_FLAG_SB: Start bit flag
I2C_FLAG_DUALF: Dual flag
I2C_FLAG_GENCALL: General call header flag
I2C_FLAG_TRA: Transmitter/Receiver flag
I2C_FLAG_BUSY: Bus busy flag
I2C_FLAG_MSL: Master/Slave flag

Return values

The	new state of FLAG (TRUE or FALSE).

Definition at line 476 of file stm32f407/stm32f407g-disc1/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_GET_FLAG [2/6]

#define __HAL_I2C_GET_FLAG	(	__HANDLE__,
		__FLAG__
	)

Value:

                                                  ((((uint8_t)((__FLAG__) >> 16U)) == 0x01U) ? \
                                                  (((((__HANDLE__)->Instance->SR1) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)) ? SET : RESET) : \
                                                  (((((__HANDLE__)->Instance->SR2) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)) ? SET : RESET))

Checks whether the specified I2C flag is set or not.

Parameters

HANDLE specifies the I2C Handle.

FLAG

specifies the flag to check. This parameter can be one of the following values:

I2C_FLAG_OVR: Overrun/Underrun flag
I2C_FLAG_AF: Acknowledge failure flag
I2C_FLAG_ARLO: Arbitration lost flag
I2C_FLAG_BERR: Bus error flag
I2C_FLAG_TXE: Data register empty flag
I2C_FLAG_RXNE: Data register not empty flag
I2C_FLAG_STOPF: Stop detection flag
I2C_FLAG_ADD10: 10-bit header sent flag
I2C_FLAG_BTF: Byte transfer finished flag
I2C_FLAG_ADDR: Address sent flag Address matched flag
I2C_FLAG_SB: Start bit flag
I2C_FLAG_DUALF: Dual flag
I2C_FLAG_GENCALL: General call header flag
I2C_FLAG_TRA: Transmitter/Receiver flag
I2C_FLAG_BUSY: Bus busy flag
I2C_FLAG_MSL: Master/Slave flag

Return values

The	new state of FLAG (TRUE or FALSE).

Definition at line 476 of file stm32f411/stm32f411e-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_GET_FLAG [3/6]

#define __HAL_I2C_GET_FLAG	(	__HANDLE__,
		__FLAG__
	)

Value:

                                                  ((((uint8_t)((__FLAG__) >> 16U)) == 0x01U) ? \
                                                  (((((__HANDLE__)->Instance->SR1) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)) ? SET : RESET) : \
                                                  (((((__HANDLE__)->Instance->SR2) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)) ? SET : RESET))

Checks whether the specified I2C flag is set or not.

Parameters

HANDLE specifies the I2C Handle.

FLAG

specifies the flag to check. This parameter can be one of the following values:

I2C_FLAG_OVR: Overrun/Underrun flag
I2C_FLAG_AF: Acknowledge failure flag
I2C_FLAG_ARLO: Arbitration lost flag
I2C_FLAG_BERR: Bus error flag
I2C_FLAG_TXE: Data register empty flag
I2C_FLAG_RXNE: Data register not empty flag
I2C_FLAG_STOPF: Stop detection flag
I2C_FLAG_ADD10: 10-bit header sent flag
I2C_FLAG_BTF: Byte transfer finished flag
I2C_FLAG_ADDR: Address sent flag Address matched flag
I2C_FLAG_SB: Start bit flag
I2C_FLAG_DUALF: Dual flag
I2C_FLAG_GENCALL: General call header flag
I2C_FLAG_TRA: Transmitter/Receiver flag
I2C_FLAG_BUSY: Bus busy flag
I2C_FLAG_MSL: Master/Slave flag

Return values

The	new state of FLAG (TRUE or FALSE).

Definition at line 476 of file stm32f469/stm32f469i-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_GET_FLAG [4/6]

#define __HAL_I2C_GET_FLAG	(	__HANDLE__,
		__FLAG__
	)	(((((__HANDLE__)->Instance->ISR) & (__FLAG__)) == (__FLAG__)) ? SET : RESET)

Definition at line 524 of file stm32f7xx_hal_i2c.h.

◆ __HAL_I2C_GET_FLAG [5/6]

#define __HAL_I2C_GET_FLAG	(	__HANDLE__,
		__FLAG__
	)	(((((__HANDLE__)->Instance->ISR) & (__FLAG__)) == (__FLAG__)) ? SET : RESET)

Definition at line 524 of file stm32h747/stm32h747i-disco/CM7/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_GET_FLAG [6/6]

#define __HAL_I2C_GET_FLAG	(	__HANDLE__,
		__FLAG__
	)

Value:

(((((__HANDLE__)->Instance->ISR) & \

(__FLAG__)) == (__FLAG__)) ? SET : RESET)

Definition at line 525 of file stm32h735/stm32h735g-dk/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_GET_IT_SOURCE [1/6]

#define __HAL_I2C_GET_IT_SOURCE	(	__HANDLE__,
		__INTERRUPT__
	)	((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)

Checks if the specified I2C interrupt source is enabled or disabled.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the I2C interrupt source to check. This parameter can be one of the following values: I2C_IT_BUF: Buffer interrupt enable I2C_IT_EVT: Event interrupt enable I2C_IT_ERR: Error interrupt enable

Return values

The	new state of INTERRUPT (TRUE or FALSE).

Definition at line 451 of file stm32f469/stm32f469i-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_GET_IT_SOURCE [2/6]

#define __HAL_I2C_GET_IT_SOURCE	(	__HANDLE__,
		__INTERRUPT__
	)	((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)

Checks if the specified I2C interrupt source is enabled or disabled.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the I2C interrupt source to check. This parameter can be one of the following values: I2C_IT_BUF: Buffer interrupt enable I2C_IT_EVT: Event interrupt enable I2C_IT_ERR: Error interrupt enable

Return values

The	new state of INTERRUPT (TRUE or FALSE).

Definition at line 451 of file stm32f407/stm32f407g-disc1/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_GET_IT_SOURCE [3/6]

#define __HAL_I2C_GET_IT_SOURCE	(	__HANDLE__,
		__INTERRUPT__
	)	((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)

Checks if the specified I2C interrupt source is enabled or disabled.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the I2C interrupt source to check. This parameter can be one of the following values: I2C_IT_BUF: Buffer interrupt enable I2C_IT_EVT: Event interrupt enable I2C_IT_ERR: Error interrupt enable

Return values

The	new state of INTERRUPT (TRUE or FALSE).

Definition at line 451 of file stm32f411/stm32f411e-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_GET_IT_SOURCE [4/6]

#define __HAL_I2C_GET_IT_SOURCE	(	__HANDLE__,
		__INTERRUPT__
	)

Value:

((((__HANDLE__)->Instance->CR1 & \

(__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)

Check whether the specified I2C interrupt source is enabled or not.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the I2C interrupt source to check. This parameter can be one of the following values: I2C_IT_ERRI Errors interrupt enable I2C_IT_TCI Transfer complete interrupt enable I2C_IT_STOPI STOP detection interrupt enable I2C_IT_NACKI NACK received interrupt enable I2C_IT_ADDRI Address match interrupt enable I2C_IT_RXI RX interrupt enable I2C_IT_TXI TX interrupt enable

Return values

The	new state of INTERRUPT (SET or RESET).

Definition at line 498 of file stm32h735/stm32h735g-dk/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_GET_IT_SOURCE [5/6]

#define __HAL_I2C_GET_IT_SOURCE	(	__HANDLE__,
		__INTERRUPT__
	)	((((__HANDLE__)->Instance->CR1 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)

Check whether the specified I2C interrupt source is enabled or not.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the I2C interrupt source to check. This parameter can be one of the following values: I2C_IT_ERRI Errors interrupt enable I2C_IT_TCI Transfer complete interrupt enable I2C_IT_STOPI STOP detection interrupt enable I2C_IT_NACKI NACK received interrupt enable I2C_IT_ADDRI Address match interrupt enable I2C_IT_RXI RX interrupt enable I2C_IT_TXI TX interrupt enable

Return values

The	new state of INTERRUPT (SET or RESET).

Definition at line 498 of file stm32f7xx_hal_i2c.h.

◆ __HAL_I2C_GET_IT_SOURCE [6/6]

#define __HAL_I2C_GET_IT_SOURCE	(	__HANDLE__,
		__INTERRUPT__
	)	((((__HANDLE__)->Instance->CR1 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)

Check whether the specified I2C interrupt source is enabled or not.

Parameters

<strong>HANDLE</strong>	specifies the I2C Handle.
<strong>INTERRUPT</strong>	specifies the I2C interrupt source to check. This parameter can be one of the following values: I2C_IT_ERRI Errors interrupt enable I2C_IT_TCI Transfer complete interrupt enable I2C_IT_STOPI STOP detection interrupt enable I2C_IT_NACKI NACK received interrupt enable I2C_IT_ADDRI Address match interrupt enable I2C_IT_RXI RX interrupt enable I2C_IT_TXI TX interrupt enable

Return values

The	new state of INTERRUPT (SET or RESET).

Definition at line 498 of file stm32h747/stm32h747i-disco/CM7/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_RESET_HANDLE_STATE [1/6]

#define __HAL_I2C_RESET_HANDLE_STATE ( __HANDLE__ ) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)

Reset I2C handle state.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 427 of file stm32f407/stm32f407g-disc1/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_RESET_HANDLE_STATE [2/6]

#define __HAL_I2C_RESET_HANDLE_STATE ( __HANDLE__ ) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)

Reset I2C handle state.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 427 of file stm32f469/stm32f469i-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_RESET_HANDLE_STATE [3/6]

#define __HAL_I2C_RESET_HANDLE_STATE ( __HANDLE__ ) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)

Reset I2C handle state.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 427 of file stm32f411/stm32f411e-disco/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h.

◆ __HAL_I2C_RESET_HANDLE_STATE [4/6]

#define __HAL_I2C_RESET_HANDLE_STATE ( __HANDLE__ ) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)

Reset I2C handle state.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 449 of file stm32h735/stm32h735g-dk/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ __HAL_I2C_RESET_HANDLE_STATE [5/6]

#define __HAL_I2C_RESET_HANDLE_STATE ( __HANDLE__ ) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)

Reset I2C handle state.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 449 of file stm32f7xx_hal_i2c.h.

◆ __HAL_I2C_RESET_HANDLE_STATE [6/6]

#define __HAL_I2C_RESET_HANDLE_STATE ( __HANDLE__ ) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)

Reset I2C handle state.

Parameters

HANDLE specifies the I2C Handle.

Return values

None

Definition at line 449 of file stm32h747/stm32h747i-disco/CM7/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ I2C_FLAG_MASK [1/3]

#define I2C_FLAG_MASK (0x0001FFFFU)

Check whether the specified I2C flag is set or not.

Parameters

HANDLE specifies the I2C Handle.

FLAG

specifies the flag to check. This parameter can be one of the following values:

I2C_FLAG_TXE Transmit data register empty
I2C_FLAG_TXIS Transmit interrupt status
I2C_FLAG_RXNE Receive data register not empty
I2C_FLAG_ADDR Address matched (slave mode)
I2C_FLAG_AF Acknowledge failure received flag
I2C_FLAG_STOPF STOP detection flag
I2C_FLAG_TC Transfer complete (master mode)
I2C_FLAG_TCR Transfer complete reload
I2C_FLAG_BERR Bus error
I2C_FLAG_ARLO Arbitration lost
I2C_FLAG_OVR Overrun/Underrun
I2C_FLAG_PECERR PEC error in reception
I2C_FLAG_TIMEOUT Timeout or Tlow detection flag
I2C_FLAG_ALERT SMBus alert
I2C_FLAG_BUSY Bus busy
I2C_FLAG_DIR Transfer direction (slave mode)

Return values

The	new state of FLAG (SET or RESET).

Definition at line 523 of file stm32f7xx_hal_i2c.h.

◆ I2C_FLAG_MASK [2/3]

#define I2C_FLAG_MASK (0x0001FFFFU)

Check whether the specified I2C flag is set or not.

Parameters

HANDLE specifies the I2C Handle.

FLAG

specifies the flag to check. This parameter can be one of the following values:

I2C_FLAG_TXE Transmit data register empty
I2C_FLAG_TXIS Transmit interrupt status
I2C_FLAG_RXNE Receive data register not empty
I2C_FLAG_ADDR Address matched (slave mode)
I2C_FLAG_AF Acknowledge failure received flag
I2C_FLAG_STOPF STOP detection flag
I2C_FLAG_TC Transfer complete (master mode)
I2C_FLAG_TCR Transfer complete reload
I2C_FLAG_BERR Bus error
I2C_FLAG_ARLO Arbitration lost
I2C_FLAG_OVR Overrun/Underrun
I2C_FLAG_PECERR PEC error in reception
I2C_FLAG_TIMEOUT Timeout or Tlow detection flag
I2C_FLAG_ALERT SMBus alert
I2C_FLAG_BUSY Bus busy
I2C_FLAG_DIR Transfer direction (slave mode)

Return values

The	new state of FLAG (SET or RESET).

Definition at line 523 of file stm32h747/stm32h747i-disco/CM7/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.

◆ I2C_FLAG_MASK [3/3]

#define I2C_FLAG_MASK (0x0001FFFFU)

Check whether the specified I2C flag is set or not.

Parameters

HANDLE specifies the I2C Handle.

FLAG

specifies the flag to check. This parameter can be one of the following values:

I2C_FLAG_TXE Transmit data register empty
I2C_FLAG_TXIS Transmit interrupt status
I2C_FLAG_RXNE Receive data register not empty
I2C_FLAG_ADDR Address matched (slave mode)
I2C_FLAG_AF Acknowledge failure received flag
I2C_FLAG_STOPF STOP detection flag
I2C_FLAG_TC Transfer complete (master mode)
I2C_FLAG_TCR Transfer complete reload
I2C_FLAG_BERR Bus error
I2C_FLAG_ARLO Arbitration lost
I2C_FLAG_OVR Overrun/Underrun
I2C_FLAG_PECERR PEC error in reception
I2C_FLAG_TIMEOUT Timeout or Tlow detection flag
I2C_FLAG_ALERT SMBus alert
I2C_FLAG_BUSY Bus busy
I2C_FLAG_DIR Transfer direction (slave mode)

Return values

The	new state of FLAG (SET or RESET).

Definition at line 524 of file stm32h735/stm32h735g-dk/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h.