STM32L486xx HAL User Manual: stm32l4xx_ll

Header file of I2C LL module. More...

#include "stm32l4xx.h"

Data Structures
struct	LL_I2C_InitTypeDef
Defines
#define	LL_I2C_ICR_ADDRCF I2C_ICR_ADDRCF
#define	LL_I2C_ICR_NACKCF I2C_ICR_NACKCF
#define	LL_I2C_ICR_STOPCF I2C_ICR_STOPCF
#define	LL_I2C_ICR_BERRCF I2C_ICR_BERRCF
#define	LL_I2C_ICR_ARLOCF I2C_ICR_ARLOCF
#define	LL_I2C_ICR_OVRCF I2C_ICR_OVRCF
#define	LL_I2C_ICR_PECCF I2C_ICR_PECCF
#define	LL_I2C_ICR_TIMOUTCF I2C_ICR_TIMOUTCF
#define	LL_I2C_ICR_ALERTCF I2C_ICR_ALERTCF
#define	LL_I2C_ISR_TXE I2C_ISR_TXE
#define	LL_I2C_ISR_TXIS I2C_ISR_TXIS
#define	LL_I2C_ISR_RXNE I2C_ISR_RXNE
#define	LL_I2C_ISR_ADDR I2C_ISR_ADDR
#define	LL_I2C_ISR_NACKF I2C_ISR_NACKF
#define	LL_I2C_ISR_STOPF I2C_ISR_STOPF
#define	LL_I2C_ISR_TC I2C_ISR_TC
#define	LL_I2C_ISR_TCR I2C_ISR_TCR
#define	LL_I2C_ISR_BERR I2C_ISR_BERR
#define	LL_I2C_ISR_ARLO I2C_ISR_ARLO
#define	LL_I2C_ISR_OVR I2C_ISR_OVR
#define	LL_I2C_ISR_PECERR I2C_ISR_PECERR
#define	LL_I2C_ISR_TIMEOUT I2C_ISR_TIMEOUT
#define	LL_I2C_ISR_ALERT I2C_ISR_ALERT
#define	LL_I2C_ISR_BUSY I2C_ISR_BUSY
#define	LL_I2C_CR1_TXIE I2C_CR1_TXIE
#define	LL_I2C_CR1_RXIE I2C_CR1_RXIE
#define	LL_I2C_CR1_ADDRIE I2C_CR1_ADDRIE
#define	LL_I2C_CR1_NACKIE I2C_CR1_NACKIE
#define	LL_I2C_CR1_STOPIE I2C_CR1_STOPIE
#define	LL_I2C_CR1_TCIE I2C_CR1_TCIE
#define	LL_I2C_CR1_ERRIE I2C_CR1_ERRIE
#define	LL_I2C_MODE_I2C 0x00000000U
#define	LL_I2C_MODE_SMBUS_HOST I2C_CR1_SMBHEN
#define	LL_I2C_MODE_SMBUS_DEVICE 0x00000000U
#define	LL_I2C_MODE_SMBUS_DEVICE_ARP I2C_CR1_SMBDEN
#define	LL_I2C_ANALOGFILTER_ENABLE 0x00000000U
#define	LL_I2C_ANALOGFILTER_DISABLE I2C_CR1_ANFOFF
#define	LL_I2C_ADDRESSING_MODE_7BIT 0x00000000U
#define	LL_I2C_ADDRESSING_MODE_10BIT I2C_CR2_ADD10
#define	LL_I2C_OWNADDRESS1_7BIT 0x00000000U
#define	LL_I2C_OWNADDRESS1_10BIT I2C_OAR1_OA1MODE
#define	LL_I2C_OWNADDRESS2_NOMASK I2C_OAR2_OA2NOMASK
#define	LL_I2C_OWNADDRESS2_MASK01 I2C_OAR2_OA2MASK01
#define	LL_I2C_OWNADDRESS2_MASK02 I2C_OAR2_OA2MASK02
#define	LL_I2C_OWNADDRESS2_MASK03 I2C_OAR2_OA2MASK03
#define	LL_I2C_OWNADDRESS2_MASK04 I2C_OAR2_OA2MASK04
#define	LL_I2C_OWNADDRESS2_MASK05 I2C_OAR2_OA2MASK05
#define	LL_I2C_OWNADDRESS2_MASK06 I2C_OAR2_OA2MASK06
#define	LL_I2C_OWNADDRESS2_MASK07 I2C_OAR2_OA2MASK07
#define	LL_I2C_ACK 0x00000000U
#define	LL_I2C_NACK I2C_CR2_NACK
#define	LL_I2C_ADDRSLAVE_7BIT 0x00000000U
#define	LL_I2C_ADDRSLAVE_10BIT I2C_CR2_ADD10
#define	LL_I2C_REQUEST_WRITE 0x00000000U
#define	LL_I2C_REQUEST_READ I2C_CR2_RD_WRN
#define	LL_I2C_MODE_RELOAD I2C_CR2_RELOAD
#define	LL_I2C_MODE_AUTOEND I2C_CR2_AUTOEND
#define	LL_I2C_MODE_SOFTEND 0x00000000U
#define	LL_I2C_MODE_SMBUS_RELOAD LL_I2C_MODE_RELOAD
#define	LL_I2C_MODE_SMBUS_AUTOEND_NO_PEC LL_I2C_MODE_AUTOEND
#define	LL_I2C_MODE_SMBUS_SOFTEND_NO_PEC LL_I2C_MODE_SOFTEND
#define	LL_I2C_MODE_SMBUS_AUTOEND_WITH_PEC (uint32_t)(LL_I2C_MODE_AUTOEND \| I2C_CR2_PECBYTE)
#define	LL_I2C_MODE_SMBUS_SOFTEND_WITH_PEC (uint32_t)(LL_I2C_MODE_SOFTEND \| I2C_CR2_PECBYTE)
#define	LL_I2C_GENERATE_NOSTARTSTOP 0x00000000U
#define	LL_I2C_GENERATE_STOP (uint32_t)(0x80000000U \| I2C_CR2_STOP)
#define	LL_I2C_GENERATE_START_READ (uint32_t)(0x80000000U \| I2C_CR2_START \| I2C_CR2_RD_WRN)
#define	LL_I2C_GENERATE_START_WRITE (uint32_t)(0x80000000U \| I2C_CR2_START)
#define	LL_I2C_GENERATE_RESTART_7BIT_READ (uint32_t)(0x80000000U \| I2C_CR2_START \| I2C_CR2_RD_WRN)
#define	LL_I2C_GENERATE_RESTART_7BIT_WRITE (uint32_t)(0x80000000U \| I2C_CR2_START)
#define	LL_I2C_GENERATE_RESTART_10BIT_READ (uint32_t)(0x80000000U \| I2C_CR2_START \| I2C_CR2_RD_WRN \| I2C_CR2_HEAD10R)
#define	LL_I2C_GENERATE_RESTART_10BIT_WRITE (uint32_t)(0x80000000U \| I2C_CR2_START)
#define	LL_I2C_DIRECTION_WRITE 0x00000000U
#define	LL_I2C_DIRECTION_READ I2C_ISR_DIR
#define	LL_I2C_DMA_REG_DATA_TRANSMIT 0x00000000U
#define	LL_I2C_DMA_REG_DATA_RECEIVE 0x00000001U
#define	LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW 0x00000000U
#define	LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH I2C_TIMEOUTR_TIDLE
#define	LL_I2C_SMBUS_TIMEOUTA I2C_TIMEOUTR_TIMOUTEN
#define	LL_I2C_SMBUS_TIMEOUTB I2C_TIMEOUTR_TEXTEN
#define	LL_I2C_SMBUS_ALL_TIMEOUT (uint32_t)(I2C_TIMEOUTR_TIMOUTEN \| I2C_TIMEOUTR_TEXTEN)
#define	LL_I2C_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
	Write a value in I2C register.
#define	LL_I2C_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
	Read a value in I2C register.
#define	__LL_I2C_CONVERT_TIMINGS(__PRESCALER__, __DATA_SETUP_TIME__, __DATA_HOLD_TIME__, __CLOCK_HIGH_PERIOD__, __CLOCK_LOW_PERIOD__)
	Configure the SDA setup, hold time and the SCL high, low period.
Functions
__STATIC_INLINE void	LL_I2C_Enable (I2C_TypeDef *I2Cx)
	Enable I2C peripheral (PE = 1).
__STATIC_INLINE void	LL_I2C_Disable (I2C_TypeDef *I2Cx)
	Disable I2C peripheral (PE = 0).
__STATIC_INLINE uint32_t	LL_I2C_IsEnabled (I2C_TypeDef *I2Cx)
	Check if the I2C peripheral is enabled or disabled.
__STATIC_INLINE void	LL_I2C_ConfigFilters (I2C_TypeDef *I2Cx, uint32_t AnalogFilter, uint32_t DigitalFilter)
	Configure Noise Filters (Analog and Digital).
__STATIC_INLINE void	LL_I2C_SetDigitalFilter (I2C_TypeDef *I2Cx, uint32_t DigitalFilter)
	Configure Digital Noise Filter.
__STATIC_INLINE uint32_t	LL_I2C_GetDigitalFilter (I2C_TypeDef *I2Cx)
	Get the current Digital Noise Filter configuration.
__STATIC_INLINE void	LL_I2C_EnableAnalogFilter (I2C_TypeDef *I2Cx)
	Enable Analog Noise Filter.
__STATIC_INLINE void	LL_I2C_DisableAnalogFilter (I2C_TypeDef *I2Cx)
	Disable Analog Noise Filter.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledAnalogFilter (I2C_TypeDef *I2Cx)
	Check if Analog Noise Filter is enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableDMAReq_TX (I2C_TypeDef *I2Cx)
	Enable DMA transmission requests.
__STATIC_INLINE void	LL_I2C_DisableDMAReq_TX (I2C_TypeDef *I2Cx)
	Disable DMA transmission requests.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledDMAReq_TX (I2C_TypeDef *I2Cx)
	Check if DMA transmission requests are enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableDMAReq_RX (I2C_TypeDef *I2Cx)
	Enable DMA reception requests.
__STATIC_INLINE void	LL_I2C_DisableDMAReq_RX (I2C_TypeDef *I2Cx)
	Disable DMA reception requests.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledDMAReq_RX (I2C_TypeDef *I2Cx)
	Check if DMA reception requests are enabled or disabled.
__STATIC_INLINE uint32_t	LL_I2C_DMA_GetRegAddr (I2C_TypeDef *I2Cx, uint32_t Direction)
	Get the data register address used for DMA transfer.
__STATIC_INLINE void	LL_I2C_EnableClockStretching (I2C_TypeDef *I2Cx)
	Enable Clock stretching.
__STATIC_INLINE void	LL_I2C_DisableClockStretching (I2C_TypeDef *I2Cx)
	Disable Clock stretching.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledClockStretching (I2C_TypeDef *I2Cx)
	Check if Clock stretching is enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableSlaveByteControl (I2C_TypeDef *I2Cx)
	Enable hardware byte control in slave mode.
__STATIC_INLINE void	LL_I2C_DisableSlaveByteControl (I2C_TypeDef *I2Cx)
	Disable hardware byte control in slave mode.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledSlaveByteControl (I2C_TypeDef *I2Cx)
	Check if hardware byte control in slave mode is enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableWakeUpFromStop (I2C_TypeDef *I2Cx)
	Enable Wakeup from STOP.
__STATIC_INLINE void	LL_I2C_DisableWakeUpFromStop (I2C_TypeDef *I2Cx)
	Disable Wakeup from STOP.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledWakeUpFromStop (I2C_TypeDef *I2Cx)
	Check if Wakeup from STOP is enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableGeneralCall (I2C_TypeDef *I2Cx)
	Enable General Call.
__STATIC_INLINE void	LL_I2C_DisableGeneralCall (I2C_TypeDef *I2Cx)
	Disable General Call.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledGeneralCall (I2C_TypeDef *I2Cx)
	Check if General Call is enabled or disabled.
__STATIC_INLINE void	LL_I2C_SetMasterAddressingMode (I2C_TypeDef *I2Cx, uint32_t AddressingMode)
	Configure the Master to operate in 7-bit or 10-bit addressing mode.
__STATIC_INLINE uint32_t	LL_I2C_GetMasterAddressingMode (I2C_TypeDef *I2Cx)
	Get the Master addressing mode.
__STATIC_INLINE void	LL_I2C_SetOwnAddress1 (I2C_TypeDef *I2Cx, uint32_t OwnAddress1, uint32_t OwnAddrSize)
	Set the Own Address1.
__STATIC_INLINE void	LL_I2C_EnableOwnAddress1 (I2C_TypeDef *I2Cx)
	Enable acknowledge on Own Address1 match address.
__STATIC_INLINE void	LL_I2C_DisableOwnAddress1 (I2C_TypeDef *I2Cx)
	Disable acknowledge on Own Address1 match address.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledOwnAddress1 (I2C_TypeDef *I2Cx)
	Check if Own Address1 acknowledge is enabled or disabled.
__STATIC_INLINE void	LL_I2C_SetOwnAddress2 (I2C_TypeDef *I2Cx, uint32_t OwnAddress2, uint32_t OwnAddrMask)
	Set the 7bits Own Address2.
__STATIC_INLINE void	LL_I2C_EnableOwnAddress2 (I2C_TypeDef *I2Cx)
	Enable acknowledge on Own Address2 match address.
__STATIC_INLINE void	LL_I2C_DisableOwnAddress2 (I2C_TypeDef *I2Cx)
	Disable acknowledge on Own Address2 match address.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledOwnAddress2 (I2C_TypeDef *I2Cx)
	Check if Own Address1 acknowledge is enabled or disabled.
__STATIC_INLINE void	LL_I2C_SetTiming (I2C_TypeDef *I2Cx, uint32_t Timing)
	Configure the SDA setup, hold time and the SCL high, low period.
__STATIC_INLINE uint32_t	LL_I2C_GetTimingPrescaler (I2C_TypeDef *I2Cx)
	Get the Timing Prescaler setting.
__STATIC_INLINE uint32_t	LL_I2C_GetClockLowPeriod (I2C_TypeDef *I2Cx)
	Get the SCL low period setting.
__STATIC_INLINE uint32_t	LL_I2C_GetClockHighPeriod (I2C_TypeDef *I2Cx)
	Get the SCL high period setting.
__STATIC_INLINE uint32_t	LL_I2C_GetDataHoldTime (I2C_TypeDef *I2Cx)
	Get the SDA hold time.
__STATIC_INLINE uint32_t	LL_I2C_GetDataSetupTime (I2C_TypeDef *I2Cx)
	Get the SDA setup time.
__STATIC_INLINE void	LL_I2C_SetMode (I2C_TypeDef *I2Cx, uint32_t PeripheralMode)
	Configure peripheral mode.
__STATIC_INLINE uint32_t	LL_I2C_GetMode (I2C_TypeDef *I2Cx)
	Get peripheral mode.
__STATIC_INLINE void	LL_I2C_EnableSMBusAlert (I2C_TypeDef *I2Cx)
	Enable SMBus alert (Host or Device mode)
__STATIC_INLINE void	LL_I2C_DisableSMBusAlert (I2C_TypeDef *I2Cx)
	Disable SMBus alert (Host or Device mode)
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledSMBusAlert (I2C_TypeDef *I2Cx)
	Check if SMBus alert (Host or Device mode) is enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableSMBusPEC (I2C_TypeDef *I2Cx)
	Enable SMBus Packet Error Calculation (PEC).
__STATIC_INLINE void	LL_I2C_DisableSMBusPEC (I2C_TypeDef *I2Cx)
	Disable SMBus Packet Error Calculation (PEC).
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledSMBusPEC (I2C_TypeDef *I2Cx)
	Check if SMBus Packet Error Calculation (PEC) is enabled or disabled.
__STATIC_INLINE void	LL_I2C_ConfigSMBusTimeout (I2C_TypeDef *I2Cx, uint32_t TimeoutA, uint32_t TimeoutAMode, uint32_t TimeoutB)
	Configure the SMBus Clock Timeout.
__STATIC_INLINE void	LL_I2C_SetSMBusTimeoutA (I2C_TypeDef *I2Cx, uint32_t TimeoutA)
	Configure the SMBus Clock TimeoutA (SCL low timeout or SCL and SDA high timeout depends on TimeoutA mode).
__STATIC_INLINE uint32_t	LL_I2C_GetSMBusTimeoutA (I2C_TypeDef *I2Cx)
	Get the SMBus Clock TimeoutA setting.
__STATIC_INLINE void	LL_I2C_SetSMBusTimeoutAMode (I2C_TypeDef *I2Cx, uint32_t TimeoutAMode)
	Set the SMBus Clock TimeoutA mode.
__STATIC_INLINE uint32_t	LL_I2C_GetSMBusTimeoutAMode (I2C_TypeDef *I2Cx)
	Get the SMBus Clock TimeoutA mode.
__STATIC_INLINE void	LL_I2C_SetSMBusTimeoutB (I2C_TypeDef *I2Cx, uint32_t TimeoutB)
	Configure the SMBus Extended Cumulative Clock TimeoutB (Master or Slave mode).
__STATIC_INLINE uint32_t	LL_I2C_GetSMBusTimeoutB (I2C_TypeDef *I2Cx)
	Get the SMBus Extented Cumulative Clock TimeoutB setting.
__STATIC_INLINE void	LL_I2C_EnableSMBusTimeout (I2C_TypeDef *I2Cx, uint32_t ClockTimeout)
	Enable the SMBus Clock Timeout.
__STATIC_INLINE void	LL_I2C_DisableSMBusTimeout (I2C_TypeDef *I2Cx, uint32_t ClockTimeout)
	Disable the SMBus Clock Timeout.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledSMBusTimeout (I2C_TypeDef *I2Cx, uint32_t ClockTimeout)
	Check if the SMBus Clock Timeout is enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableIT_TX (I2C_TypeDef *I2Cx)
	Enable TXIS interrupt.
__STATIC_INLINE void	LL_I2C_DisableIT_TX (I2C_TypeDef *I2Cx)
	Disable TXIS interrupt.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledIT_TX (I2C_TypeDef *I2Cx)
	Check if the TXIS Interrupt is enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableIT_RX (I2C_TypeDef *I2Cx)
	Enable RXNE interrupt.
__STATIC_INLINE void	LL_I2C_DisableIT_RX (I2C_TypeDef *I2Cx)
	Disable RXNE interrupt.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledIT_RX (I2C_TypeDef *I2Cx)
	Check if the RXNE Interrupt is enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableIT_ADDR (I2C_TypeDef *I2Cx)
	Enable Address match interrupt (slave mode only).
__STATIC_INLINE void	LL_I2C_DisableIT_ADDR (I2C_TypeDef *I2Cx)
	Disable Address match interrupt (slave mode only).
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledIT_ADDR (I2C_TypeDef *I2Cx)
	Check if Address match interrupt is enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableIT_NACK (I2C_TypeDef *I2Cx)
	Enable Not acknowledge received interrupt.
__STATIC_INLINE void	LL_I2C_DisableIT_NACK (I2C_TypeDef *I2Cx)
	Disable Not acknowledge received interrupt.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledIT_NACK (I2C_TypeDef *I2Cx)
	Check if Not acknowledge received interrupt is enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableIT_STOP (I2C_TypeDef *I2Cx)
	Enable STOP detection interrupt.
__STATIC_INLINE void	LL_I2C_DisableIT_STOP (I2C_TypeDef *I2Cx)
	Disable STOP detection interrupt.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledIT_STOP (I2C_TypeDef *I2Cx)
	Check if STOP detection interrupt is enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableIT_TC (I2C_TypeDef *I2Cx)
	Enable Transfer Complete interrupt.
__STATIC_INLINE void	LL_I2C_DisableIT_TC (I2C_TypeDef *I2Cx)
	Disable Transfer Complete interrupt.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledIT_TC (I2C_TypeDef *I2Cx)
	Check if Transfer Complete interrupt is enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableIT_ERR (I2C_TypeDef *I2Cx)
	Enable Error interrupts.
__STATIC_INLINE void	LL_I2C_DisableIT_ERR (I2C_TypeDef *I2Cx)
	Disable Error interrupts.
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledIT_ERR (I2C_TypeDef *I2Cx)
	Check if Error interrupts are enabled or disabled.
__STATIC_INLINE uint32_t	LL_I2C_IsActiveFlag_TXE (I2C_TypeDef *I2Cx)
	Indicate the status of Transmit data register empty flag.
__STATIC_INLINE uint32_t	LL_I2C_IsActiveFlag_TXIS (I2C_TypeDef *I2Cx)
	Indicate the status of Transmit interrupt flag.
__STATIC_INLINE uint32_t	LL_I2C_IsActiveFlag_RXNE (I2C_TypeDef *I2Cx)
	Indicate the status of Receive data register not empty flag.
__STATIC_INLINE uint32_t	LL_I2C_IsActiveFlag_ADDR (I2C_TypeDef *I2Cx)
	Indicate the status of Address matched flag (slave mode).
__STATIC_INLINE uint32_t	LL_I2C_IsActiveFlag_NACK (I2C_TypeDef *I2Cx)
	Indicate the status of Not Acknowledge received flag.
__STATIC_INLINE uint32_t	LL_I2C_IsActiveFlag_STOP (I2C_TypeDef *I2Cx)
	Indicate the status of Stop detection flag.
__STATIC_INLINE uint32_t	LL_I2C_IsActiveFlag_TC (I2C_TypeDef *I2Cx)
	Indicate the status of Transfer complete flag (master mode).
__STATIC_INLINE uint32_t	LL_I2C_IsActiveFlag_TCR (I2C_TypeDef *I2Cx)
	Indicate the status of Transfer complete flag (master mode).
__STATIC_INLINE uint32_t	LL_I2C_IsActiveFlag_BERR (I2C_TypeDef *I2Cx)
	Indicate the status of Bus error flag.
__STATIC_INLINE uint32_t	LL_I2C_IsActiveFlag_ARLO (I2C_TypeDef *I2Cx)
	Indicate the status of Arbitration lost flag.
__STATIC_INLINE uint32_t	LL_I2C_IsActiveFlag_OVR (I2C_TypeDef *I2Cx)
	Indicate the status of Overrun/Underrun flag (slave mode).
__STATIC_INLINE uint32_t	LL_I2C_IsActiveSMBusFlag_PECERR (I2C_TypeDef *I2Cx)
	Indicate the status of SMBus PEC error flag in reception.
__STATIC_INLINE uint32_t	LL_I2C_IsActiveSMBusFlag_TIMEOUT (I2C_TypeDef *I2Cx)
	Indicate the status of SMBus Timeout detection flag.
__STATIC_INLINE uint32_t	LL_I2C_IsActiveSMBusFlag_ALERT (I2C_TypeDef *I2Cx)
	Indicate the status of SMBus alert flag.
__STATIC_INLINE uint32_t	LL_I2C_IsActiveFlag_BUSY (I2C_TypeDef *I2Cx)
	Indicate the status of Bus Busy flag.
__STATIC_INLINE void	LL_I2C_ClearFlag_ADDR (I2C_TypeDef *I2Cx)
	Clear Address Matched flag.
__STATIC_INLINE void	LL_I2C_ClearFlag_NACK (I2C_TypeDef *I2Cx)
	Clear Not Acknowledge flag.
__STATIC_INLINE void	LL_I2C_ClearFlag_STOP (I2C_TypeDef *I2Cx)
	Clear Stop detection flag.
__STATIC_INLINE void	LL_I2C_ClearFlag_TXE (I2C_TypeDef *I2Cx)
	Clear Transmit data register empty flag (TXE).
__STATIC_INLINE void	LL_I2C_ClearFlag_BERR (I2C_TypeDef *I2Cx)
	Clear Bus error flag.
__STATIC_INLINE void	LL_I2C_ClearFlag_ARLO (I2C_TypeDef *I2Cx)
	Clear Arbitration lost flag.
__STATIC_INLINE void	LL_I2C_ClearFlag_OVR (I2C_TypeDef *I2Cx)
	Clear Overrun/Underrun flag.
__STATIC_INLINE void	LL_I2C_ClearSMBusFlag_PECERR (I2C_TypeDef *I2Cx)
	Clear SMBus PEC error flag.
__STATIC_INLINE void	LL_I2C_ClearSMBusFlag_TIMEOUT (I2C_TypeDef *I2Cx)
	Clear SMBus Timeout detection flag.
__STATIC_INLINE void	LL_I2C_ClearSMBusFlag_ALERT (I2C_TypeDef *I2Cx)
	Clear SMBus Alert flag.
__STATIC_INLINE void	LL_I2C_EnableAutoEndMode (I2C_TypeDef *I2Cx)
	Enable automatic STOP condition generation (master mode).
__STATIC_INLINE void	LL_I2C_DisableAutoEndMode (I2C_TypeDef *I2Cx)
	Disable automatic STOP condition generation (master mode).
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledAutoEndMode (I2C_TypeDef *I2Cx)
	Check if automatic STOP condition is enabled or disabled.
__STATIC_INLINE void	LL_I2C_EnableReloadMode (I2C_TypeDef *I2Cx)
	Enable reload mode (master mode).
__STATIC_INLINE void	LL_I2C_DisableReloadMode (I2C_TypeDef *I2Cx)
	Disable reload mode (master mode).
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledReloadMode (I2C_TypeDef *I2Cx)
	Check if reload mode is enabled or disabled.
__STATIC_INLINE void	LL_I2C_SetTransferSize (I2C_TypeDef *I2Cx, uint32_t TransferSize)
	Configure the number of bytes for transfer.
__STATIC_INLINE uint32_t	LL_I2C_GetTransferSize (I2C_TypeDef *I2Cx)
	Get the number of bytes configured for transfer.
__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.
__STATIC_INLINE void	LL_I2C_GenerateStartCondition (I2C_TypeDef *I2Cx)
	Generate a START or RESTART condition.
__STATIC_INLINE void	LL_I2C_GenerateStopCondition (I2C_TypeDef *I2Cx)
	Generate a STOP condition after the current byte transfer (master mode).
__STATIC_INLINE void	LL_I2C_EnableAuto10BitRead (I2C_TypeDef *I2Cx)
	Enable automatic RESTART Read request condition for 10bit address header (master mode).
__STATIC_INLINE void	LL_I2C_DisableAuto10BitRead (I2C_TypeDef *I2Cx)
	Disable automatic RESTART Read request condition for 10bit address header (master mode).
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledAuto10BitRead (I2C_TypeDef *I2Cx)
	Check if automatic RESTART Read request condition for 10bit address header is enabled or disabled.
__STATIC_INLINE void	LL_I2C_SetTransferRequest (I2C_TypeDef *I2Cx, uint32_t TransferRequest)
	Configure the transfer direction (master mode).
__STATIC_INLINE uint32_t	LL_I2C_GetTransferRequest (I2C_TypeDef *I2Cx)
	Get the transfer direction requested (master mode).
__STATIC_INLINE void	LL_I2C_SetSlaveAddr (I2C_TypeDef *I2Cx, uint32_t SlaveAddr)
	Configure the slave address for transfer (master mode).
__STATIC_INLINE uint32_t	LL_I2C_GetSlaveAddr (I2C_TypeDef *I2Cx)
	Get the slave address programmed for transfer.
__STATIC_INLINE void	LL_I2C_HandleTransfer (I2C_TypeDef *I2Cx, uint32_t SlaveAddr, uint32_t SlaveAddrSize, uint32_t TransferSize, uint32_t EndMode, uint32_t Request)
	Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set).
__STATIC_INLINE uint32_t	LL_I2C_GetTransferDirection (I2C_TypeDef *I2Cx)
	Indicate the value of transfer direction (slave mode).
__STATIC_INLINE uint32_t	LL_I2C_GetAddressMatchCode (I2C_TypeDef *I2Cx)
	Return the slave matched address.
__STATIC_INLINE void	LL_I2C_EnableSMBusPECCompare (I2C_TypeDef *I2Cx)
	Enable internal comparison of the SMBus Packet Error byte (transmission or reception mode).
__STATIC_INLINE uint32_t	LL_I2C_IsEnabledSMBusPECCompare (I2C_TypeDef *I2Cx)
	Check if the SMBus Packet Error byte internal comparison is requested or not.
__STATIC_INLINE uint32_t	LL_I2C_GetSMBusPEC (I2C_TypeDef *I2Cx)
	Get the SMBus Packet Error byte calculated.
__STATIC_INLINE uint8_t	LL_I2C_ReceiveData8 (I2C_TypeDef *I2Cx)
	Read Receive Data register.
__STATIC_INLINE void	LL_I2C_TransmitData8 (I2C_TypeDef *I2Cx, uint8_t Data)
	Write in Transmit Data Register .
uint32_t	LL_I2C_Init (I2C_TypeDef I2Cx, LL_I2C_InitTypeDef I2C_InitStruct)
	Initialize the I2C registers according to the specified parameters in I2C_InitStruct.
uint32_t	LL_I2C_DeInit (I2C_TypeDef *I2Cx)
	De-initialize the I2C registers to their default reset values.
void	LL_I2C_StructInit (LL_I2C_InitTypeDef *I2C_InitStruct)
	Set each LL_I2C_InitTypeDef field to default value.

Detailed Description

Header file of I2C LL module.

Author:: MCD Application Team

Attention:

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Definition in file stm32l4xx_ll_i2c.h.

Data Structures

Defines

Functions

Detailed Description

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