Collaboration diagram for Data_Management:

Functions
__STATIC_INLINE void	LL_I2C_EnableReset (I2C_TypeDef *I2Cx)
	Enable Reset of I2C peripheral. @rmtoll CR1 SWRST LL_I2C_EnableReset. More...

__STATIC_INLINE void	LL_I2C_DisableReset (I2C_TypeDef *I2Cx)
	Disable Reset of I2C peripheral. @rmtoll CR1 SWRST LL_I2C_DisableReset. More...

__STATIC_INLINE uint32_t	LL_I2C_IsResetEnabled (I2C_TypeDef *I2Cx)
	Check if the I2C peripheral is under reset state or not. @rmtoll CR1 SWRST LL_I2C_IsResetEnabled. More...

__STATIC_INLINE void	LL_I2C_AcknowledgeNextData (I2C_TypeDef *I2Cx, uint32_t TypeAcknowledge)
	Prepare the generation of a ACKnowledge or Non ACKnowledge condition after the address receive match code or next received byte. More...

__STATIC_INLINE void	LL_I2C_GenerateStartCondition (I2C_TypeDef *I2Cx)
	Generate a START or RESTART condition. More...

__STATIC_INLINE void	LL_I2C_GenerateStopCondition (I2C_TypeDef *I2Cx)
	Generate a STOP condition after the current byte transfer (master mode). @rmtoll CR1 STOP LL_I2C_GenerateStopCondition. More...

__STATIC_INLINE void	LL_I2C_EnableBitPOS (I2C_TypeDef *I2Cx)
	Enable bit POS (master/host mode). More...

__STATIC_INLINE void	LL_I2C_DisableBitPOS (I2C_TypeDef *I2Cx)
	Disable bit POS (master/host mode). More...

__STATIC_INLINE uint32_t	LL_I2C_IsEnabledBitPOS (I2C_TypeDef *I2Cx)
	Check if bit POS is enabled or disabled. @rmtoll CR1 POS LL_I2C_IsEnabledBitPOS. More...

__STATIC_INLINE uint32_t	LL_I2C_GetTransferDirection (I2C_TypeDef *I2Cx)
	Indicate the value of transfer direction. More...

__STATIC_INLINE void	LL_I2C_EnableLastDMA (I2C_TypeDef *I2Cx)
	Enable DMA last transfer. More...

__STATIC_INLINE void	LL_I2C_DisableLastDMA (I2C_TypeDef *I2Cx)
	Disable DMA last transfer. More...

__STATIC_INLINE uint32_t	LL_I2C_IsEnabledLastDMA (I2C_TypeDef *I2Cx)
	Check if DMA last transfer is enabled or disabled. @rmtoll CR2 LAST LL_I2C_IsEnabledLastDMA. More...

__STATIC_INLINE void	LL_I2C_EnableSMBusPECCompare (I2C_TypeDef *I2Cx)
	Enable transfer or internal comparison of the SMBus Packet Error byte (transmission or reception mode). More...

__STATIC_INLINE void	LL_I2C_DisableSMBusPECCompare (I2C_TypeDef *I2Cx)
	Disable transfer or internal comparison of the SMBus Packet Error byte (transmission or reception mode). More...

__STATIC_INLINE uint32_t	LL_I2C_IsEnabledSMBusPECCompare (I2C_TypeDef *I2Cx)
	Check if the SMBus Packet Error byte transfer or internal comparison is requested or not. More...

__STATIC_INLINE uint32_t	LL_I2C_GetSMBusPEC (I2C_TypeDef *I2Cx)
	Get the SMBus Packet Error byte calculated. More...

__STATIC_INLINE uint8_t	LL_I2C_ReceiveData8 (I2C_TypeDef *I2Cx)
	Read Receive Data register. @rmtoll DR DR LL_I2C_ReceiveData8. More...

__STATIC_INLINE void	LL_I2C_TransmitData8 (I2C_TypeDef *I2Cx, uint8_t Data)
	Write in Transmit Data Register . @rmtoll DR DR LL_I2C_TransmitData8. More...

Detailed Description

Function Documentation

◆ LL_I2C_AcknowledgeNextData()

__STATIC_INLINE void LL_I2C_AcknowledgeNextData	(	I2C_TypeDef *	I2Cx,
		uint32_t	TypeAcknowledge
	)

Prepare the generation of a ACKnowledge or Non ACKnowledge condition after the address receive match code or next received byte.

Note: Usage in Slave or Master mode. @rmtoll CR1 ACK LL_I2C_AcknowledgeNextData

Parameters

I2Cx	I2C Instance.
TypeAcknowledge	This parameter can be one of the following values: LL_I2C_ACK LL_I2C_NACK

Return values

None

Definition at line 1661 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_DisableBitPOS()

__STATIC_INLINE void LL_I2C_DisableBitPOS ( I2C_TypeDef * I2Cx )

Disable bit POS (master/host mode).

Note: In that case, the ACK bit controls the (N)ACK of the current byte received or the PEC bit indicates that the current byte in shift register is a PEC. @rmtoll CR1 POS LL_I2C_DisableBitPOS

Parameters

I2Cx	I2C Instance.

Return values

None

Definition at line 1709 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_DisableLastDMA()

__STATIC_INLINE void LL_I2C_DisableLastDMA ( I2C_TypeDef * I2Cx )

Disable DMA last transfer.

Note: This action mean that next DMA EOT is not the last transfer. @rmtoll CR2 LAST LL_I2C_DisableLastDMA

Parameters

I2Cx	I2C Instance.

Return values

None

Definition at line 1759 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_DisableReset()

__STATIC_INLINE void LL_I2C_DisableReset ( I2C_TypeDef * I2Cx )

Disable Reset of I2C peripheral. @rmtoll CR1 SWRST LL_I2C_DisableReset.

Parameters

I2Cx	I2C Instance.

Return values

None

Definition at line 1635 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_DisableSMBusPECCompare()

__STATIC_INLINE void LL_I2C_DisableSMBusPECCompare ( I2C_TypeDef * I2Cx )

Disable transfer or internal comparison of the SMBus Packet Error byte (transmission or reception mode).

Note: Macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not SMBus feature is supported by the I2Cx Instance. @rmtoll CR1 PEC LL_I2C_DisableSMBusPECCompare

Parameters

I2Cx	I2C Instance.

Return values

None

Definition at line 1798 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_EnableBitPOS()

__STATIC_INLINE void LL_I2C_EnableBitPOS ( I2C_TypeDef * I2Cx )

Enable bit POS (master/host mode).

Note: In that case, the ACK bit controls the (N)ACK of the next byte received or the PEC bit indicates that the next byte in shift register is a PEC. @rmtoll CR1 POS LL_I2C_EnableBitPOS

Parameters

I2Cx	I2C Instance.

Return values

None

Definition at line 1697 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_EnableLastDMA()

__STATIC_INLINE void LL_I2C_EnableLastDMA ( I2C_TypeDef * I2Cx )

Enable DMA last transfer.

Note: This action mean that next DMA EOT is the last transfer. @rmtoll CR2 LAST LL_I2C_EnableLastDMA

Parameters

I2Cx	I2C Instance.

Return values

None

Definition at line 1747 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_EnableReset()

__STATIC_INLINE void LL_I2C_EnableReset ( I2C_TypeDef * I2Cx )

Enable Reset of I2C peripheral. @rmtoll CR1 SWRST LL_I2C_EnableReset.

Parameters

I2Cx	I2C Instance.

Return values

None

Definition at line 1624 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_EnableSMBusPECCompare()

__STATIC_INLINE void LL_I2C_EnableSMBusPECCompare ( I2C_TypeDef * I2Cx )

Enable transfer or internal comparison of the SMBus Packet Error byte (transmission or reception mode).

Note: Macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not SMBus feature is supported by the I2Cx Instance.; This feature is cleared by hardware when the PEC byte is transferred or compared, or by a START or STOP condition, it is also cleared by software. @rmtoll CR1 PEC LL_I2C_EnableSMBusPECCompare

Parameters

I2Cx	I2C Instance.

Return values

None

Definition at line 1785 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_GenerateStartCondition()

__STATIC_INLINE void LL_I2C_GenerateStartCondition ( I2C_TypeDef * I2Cx )

Generate a START or RESTART condition.

Note: The START bit can be set even if bus is BUSY or I2C is in slave mode. This action has no effect when RELOAD is set. @rmtoll CR1 START LL_I2C_GenerateStartCondition

Parameters

I2Cx	I2C Instance.

Return values

None

Definition at line 1674 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_GenerateStopCondition()

__STATIC_INLINE void LL_I2C_GenerateStopCondition ( I2C_TypeDef * I2Cx )

Generate a STOP condition after the current byte transfer (master mode). @rmtoll CR1 STOP LL_I2C_GenerateStopCondition.

Parameters

I2Cx	I2C Instance.

Return values

None

Definition at line 1685 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_GetSMBusPEC()

__STATIC_INLINE uint32_t LL_I2C_GetSMBusPEC ( I2C_TypeDef * I2Cx )

Get the SMBus Packet Error byte calculated.

Note: Macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not SMBus feature is supported by the I2Cx Instance. @rmtoll SR2 PEC LL_I2C_GetSMBusPEC

Parameters

I2Cx	I2C Instance.

Return values

Value between Min_Data=0x00 and Max_Data=0xFF

Definition at line 1824 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_GetTransferDirection()

__STATIC_INLINE uint32_t LL_I2C_GetTransferDirection ( I2C_TypeDef * I2Cx )

Indicate the value of transfer direction.

Note: RESET: Bus is in read transfer (peripheral point of view). SET: Bus is in write transfer (peripheral point of view). @rmtoll SR2 TRA LL_I2C_GetTransferDirection

Parameters

I2Cx	I2C Instance.

Return values

Returned

value can be one of the following values:

LL_I2C_DIRECTION_WRITE
LL_I2C_DIRECTION_READ

Definition at line 1735 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_IsEnabledBitPOS()

__STATIC_INLINE uint32_t LL_I2C_IsEnabledBitPOS ( I2C_TypeDef * I2Cx )

Check if bit POS is enabled or disabled. @rmtoll CR1 POS LL_I2C_IsEnabledBitPOS.

Parameters

I2Cx	I2C Instance.

Return values

State of bit (1 or 0).

Definition at line 1720 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_IsEnabledLastDMA()

__STATIC_INLINE uint32_t LL_I2C_IsEnabledLastDMA ( I2C_TypeDef * I2Cx )

Check if DMA last transfer is enabled or disabled. @rmtoll CR2 LAST LL_I2C_IsEnabledLastDMA.

Parameters

I2Cx	I2C Instance.

Return values

State of bit (1 or 0).

Definition at line 1770 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_IsEnabledSMBusPECCompare()

__STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusPECCompare ( I2C_TypeDef * I2Cx )

Check if the SMBus Packet Error byte transfer or internal comparison is requested or not.

Note: Macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not SMBus feature is supported by the I2Cx Instance. @rmtoll CR1 PEC LL_I2C_IsEnabledSMBusPECCompare

Parameters

I2Cx	I2C Instance.

Return values

State of bit (1 or 0).

Definition at line 1811 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_IsResetEnabled()

__STATIC_INLINE uint32_t LL_I2C_IsResetEnabled ( I2C_TypeDef * I2Cx )

Check if the I2C peripheral is under reset state or not. @rmtoll CR1 SWRST LL_I2C_IsResetEnabled.

Parameters

I2Cx	I2C Instance.

Return values

State of bit (1 or 0).

Definition at line 1646 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_ReceiveData8()

__STATIC_INLINE uint8_t LL_I2C_ReceiveData8 ( I2C_TypeDef * I2Cx )

Read Receive Data register. @rmtoll DR DR LL_I2C_ReceiveData8.

Parameters

I2Cx	I2C Instance.

Return values

Value between Min_Data=0x0 and Max_Data=0xFF

Definition at line 1835 of file stm32f4xx_ll_i2c.h.

◆ LL_I2C_TransmitData8()

__STATIC_INLINE void LL_I2C_TransmitData8	(	I2C_TypeDef *	I2Cx,
		uint8_t	Data
	)

Write in Transmit Data Register . @rmtoll DR DR LL_I2C_TransmitData8.

Parameters

I2Cx	I2C Instance.
Data	Value between Min_Data=0x0 and Max_Data=0xFF

Return values

None

Definition at line 1847 of file stm32f4xx_ll_i2c.h.

Functions

Detailed Description

Function Documentation

◆ LL_I2C_AcknowledgeNextData()

◆ LL_I2C_DisableBitPOS()

◆ LL_I2C_DisableLastDMA()

◆ LL_I2C_DisableReset()

◆ LL_I2C_DisableSMBusPECCompare()

◆ LL_I2C_EnableBitPOS()

◆ LL_I2C_EnableLastDMA()

◆ LL_I2C_EnableReset()

◆ LL_I2C_EnableSMBusPECCompare()

◆ LL_I2C_GenerateStartCondition()

◆ LL_I2C_GenerateStopCondition()

◆ LL_I2C_GetSMBusPEC()

◆ LL_I2C_GetTransferDirection()

◆ LL_I2C_IsEnabledBitPOS()

◆ LL_I2C_IsEnabledLastDMA()

◆ LL_I2C_IsEnabledSMBusPECCompare()

◆ LL_I2C_IsResetEnabled()

◆ LL_I2C_ReceiveData8()

◆ LL_I2C_TransmitData8()