STM32F439xx HAL User Manual
Data Structures | Defines | Functions
stm32f4xx_ll_i2c.h File Reference

Header file of I2C LL module. More...

#include "stm32f4xx.h"

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Data Structures

struct  LL_I2C_InitTypeDef

Defines

#define LL_I2C_MAX_SPEED_STANDARD   100000U
#define LL_I2C_MAX_SPEED_FAST   400000U
#define LL_I2C_SR1_SB   I2C_SR1_SB
#define LL_I2C_SR1_ADDR   I2C_SR1_ADDR
#define LL_I2C_SR1_BTF   I2C_SR1_BTF
#define LL_I2C_SR1_ADD10   I2C_SR1_ADD10
#define LL_I2C_SR1_STOPF   I2C_SR1_STOPF
#define LL_I2C_SR1_RXNE   I2C_SR1_RXNE
#define LL_I2C_SR1_TXE   I2C_SR1_TXE
#define LL_I2C_SR1_BERR   I2C_SR1_BERR
#define LL_I2C_SR1_ARLO   I2C_SR1_ARLO
#define LL_I2C_SR1_AF   I2C_SR1_AF
#define LL_I2C_SR1_OVR   I2C_SR1_OVR
#define LL_I2C_SR1_PECERR   I2C_ISR_PECERR
#define LL_I2C_SR1_TIMEOUT   I2C_ISR_TIMEOUT
#define LL_I2C_SR1_SMALERT   I2C_ISR_SMALERT
#define LL_I2C_SR2_MSL   I2C_SR2_MSL
#define LL_I2C_SR2_BUSY   I2C_SR2_BUSY
#define LL_I2C_SR2_TRA   I2C_SR2_TRA
#define LL_I2C_SR2_GENCALL   I2C_SR2_GENCALL
#define LL_I2C_SR2_SMBDEFAULT   I2C_SR2_SMBDEFAULT
#define LL_I2C_SR2_SMBHOST   I2C_SR2_SMBHOST
#define LL_I2C_SR2_DUALF   I2C_SR2_DUALF
#define LL_I2C_CR2_ITEVTEN   I2C_CR2_ITEVTEN
#define LL_I2C_CR2_ITBUFEN   I2C_CR2_ITBUFEN
#define LL_I2C_CR2_ITERREN   I2C_CR2_ITERREN
#define LL_I2C_ANALOGFILTER_ENABLE   0x00000000U
#define LL_I2C_ANALOGFILTER_DISABLE   I2C_FLTR_ANOFF
#define LL_I2C_OWNADDRESS1_7BIT   0x00004000U
#define LL_I2C_OWNADDRESS1_10BIT   (uint32_t)(I2C_OAR1_ADDMODE | 0x00004000U)
#define LL_I2C_DUTYCYCLE_2   0x00000000U
#define LL_I2C_DUTYCYCLE_16_9   I2C_CCR_DUTY
#define LL_I2C_CLOCK_SPEED_STANDARD_MODE   0x00000000U
#define LL_I2C_CLOCK_SPEED_FAST_MODE   I2C_CCR_FS
#define LL_I2C_MODE_I2C   0x00000000U
#define LL_I2C_MODE_SMBUS_HOST   (uint32_t)(I2C_CR1_SMBUS | I2C_CR1_SMBTYPE | I2C_CR1_ENARP)
#define LL_I2C_MODE_SMBUS_DEVICE   I2C_CR1_SMBUS
#define LL_I2C_MODE_SMBUS_DEVICE_ARP   (uint32_t)(I2C_CR1_SMBUS | I2C_CR1_ENARP)
#define LL_I2C_ACK   I2C_CR1_ACK
#define LL_I2C_NACK   0x00000000U
#define LL_I2C_DIRECTION_WRITE   I2C_SR2_TRA
#define LL_I2C_DIRECTION_READ   0x00000000U
#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_FREQ_HZ_TO_MHZ(__PCLK__)   (uint32_t)((__PCLK__)/1000000U)
 Convert Peripheral Clock Frequency in Mhz.
#define __LL_I2C_FREQ_MHZ_TO_HZ(__PCLK__)   (uint32_t)((__PCLK__)*1000000U)
 Convert Peripheral Clock Frequency in Hz.
#define __LL_I2C_RISE_TIME(__FREQRANGE__, __SPEED__)   (uint32_t)(((__SPEED__) <= LL_I2C_MAX_SPEED_STANDARD) ? ((__FREQRANGE__) + 1U) : ((((__FREQRANGE__) * 300U) / 1000U) + 1U))
 Compute I2C Clock rising time.
#define __LL_I2C_SPEED_TO_CCR(__PCLK__, __SPEED__, __DUTYCYCLE__)
 Compute Speed clock range to a Clock Control Register (I2C_CCR_CCR) value.
#define __LL_I2C_SPEED_STANDARD_TO_CCR(__PCLK__, __SPEED__)   (uint32_t)(((((__PCLK__)/((__SPEED__) << 1U)) & I2C_CCR_CCR) < 4U)? 4U:((__PCLK__) / ((__SPEED__) << 1U)))
 Compute Speed Standard clock range to a Clock Control Register (I2C_CCR_CCR) value.
#define __LL_I2C_SPEED_FAST_TO_CCR(__PCLK__, __SPEED__, __DUTYCYCLE__)
 Compute Speed Fast clock range to a Clock Control Register (I2C_CCR_CCR) value.
#define __LL_I2C_10BIT_ADDRESS(__ADDRESS__)   ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FF))))
 Get the Least significant bits of a 10-Bits address.
#define __LL_I2C_10BIT_HEADER_WRITE(__ADDRESS__)   ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0x0300))) >> 7) | (uint16_t)(0xF0))))
 Convert a 10-Bits address to a 10-Bits header with Write direction.
#define __LL_I2C_10BIT_HEADER_READ(__ADDRESS__)   ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0x0300))) >> 7) | (uint16_t)(0xF1))))
 Convert a 10-Bits address to a 10-Bits header with Read direction.

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)
 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_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_SetOwnAddress1 (I2C_TypeDef *I2Cx, uint32_t OwnAddress1, uint32_t OwnAddrSize)
 Set the Own Address1.
__STATIC_INLINE void LL_I2C_SetOwnAddress2 (I2C_TypeDef *I2Cx, uint32_t OwnAddress2)
 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_SetPeriphClock (I2C_TypeDef *I2Cx, uint32_t PeriphClock)
 Configure the Peripheral clock frequency.
__STATIC_INLINE uint32_t LL_I2C_GetPeriphClock (I2C_TypeDef *I2Cx)
 Get the Peripheral clock frequency.
__STATIC_INLINE void LL_I2C_SetDutyCycle (I2C_TypeDef *I2Cx, uint32_t DutyCycle)
 Configure the Duty cycle (Fast mode only).
__STATIC_INLINE uint32_t LL_I2C_GetDutyCycle (I2C_TypeDef *I2Cx)
 Get the Duty cycle (Fast mode only).
__STATIC_INLINE void LL_I2C_SetClockSpeedMode (I2C_TypeDef *I2Cx, uint32_t ClockSpeedMode)
 Configure the I2C master clock speed mode.
__STATIC_INLINE uint32_t LL_I2C_GetClockSpeedMode (I2C_TypeDef *I2Cx)
 Get the the I2C master speed mode.
__STATIC_INLINE void LL_I2C_SetRiseTime (I2C_TypeDef *I2Cx, uint32_t RiseTime)
 Configure the SCL, SDA rising time.
__STATIC_INLINE uint32_t LL_I2C_GetRiseTime (I2C_TypeDef *I2Cx)
 Get the SCL, SDA rising time.
__STATIC_INLINE void LL_I2C_SetClockPeriod (I2C_TypeDef *I2Cx, uint32_t ClockPeriod)
 Configure the SCL high and low period.
__STATIC_INLINE uint32_t LL_I2C_GetClockPeriod (I2C_TypeDef *I2Cx)
 Get the SCL high and low period.
__STATIC_INLINE void LL_I2C_ConfigSpeed (I2C_TypeDef *I2Cx, uint32_t PeriphClock, uint32_t ClockSpeed, uint32_t DutyCycle)
 Configure the SCL speed.
__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_EnableIT_TX (I2C_TypeDef *I2Cx)
 Enable TXE interrupt.
__STATIC_INLINE void LL_I2C_DisableIT_TX (I2C_TypeDef *I2Cx)
 Disable TXE interrupt.
__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TX (I2C_TypeDef *I2Cx)
 Check if the TXE 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_EVT (I2C_TypeDef *I2Cx)
 Enable Events interrupts.
__STATIC_INLINE void LL_I2C_DisableIT_EVT (I2C_TypeDef *I2Cx)
 Disable Events interrupts.
__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_EVT (I2C_TypeDef *I2Cx)
 Check if Events interrupts are enabled or disabled.
__STATIC_INLINE void LL_I2C_EnableIT_BUF (I2C_TypeDef *I2Cx)
 Enable Buffer interrupts.
__STATIC_INLINE void LL_I2C_DisableIT_BUF (I2C_TypeDef *I2Cx)
 Disable Buffer interrupts.
__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_BUF (I2C_TypeDef *I2Cx)
 Check if Buffer interrupts are 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_BTF (I2C_TypeDef *I2Cx)
 Indicate the status of Byte Transfer Finished 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_SB (I2C_TypeDef *I2Cx)
 Indicate the status of Start Bit (master mode).
__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ADDR (I2C_TypeDef *I2Cx)
 Indicate the status of Address sent (master mode) or Address matched flag (slave mode).
__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ADD10 (I2C_TypeDef *I2Cx)
 Indicate the status of 10-bit header sent (master mode).
__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_AF (I2C_TypeDef *I2Cx)
 Indicate the status of Acknowledge failure flag.
__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_STOP (I2C_TypeDef *I2Cx)
 Indicate the status of Stop detection flag (slave 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.
__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 uint32_t LL_I2C_IsActiveFlag_DUAL (I2C_TypeDef *I2Cx)
 Indicate the status of Dual flag.
__STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_SMBHOST (I2C_TypeDef *I2Cx)
 Indicate the status of SMBus Host address reception (Slave mode).
__STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_SMBDEFAULT (I2C_TypeDef *I2Cx)
 Indicate the status of SMBus Device default address reception (Slave mode).
__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_GENCALL (I2C_TypeDef *I2Cx)
 Indicate the status of General call address reception (Slave mode).
__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_MSL (I2C_TypeDef *I2Cx)
 Indicate the status of Master/Slave flag.
__STATIC_INLINE void LL_I2C_ClearFlag_ADDR (I2C_TypeDef *I2Cx)
 Clear Address Matched flag.
__STATIC_INLINE void LL_I2C_ClearFlag_AF (I2C_TypeDef *I2Cx)
 Clear Acknowledge failure flag.
__STATIC_INLINE void LL_I2C_ClearFlag_STOP (I2C_TypeDef *I2Cx)
 Clear Stop detection flag.
__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_EnableReset (I2C_TypeDef *I2Cx)
 Enable Reset of I2C peripheral.
__STATIC_INLINE void LL_I2C_DisableReset (I2C_TypeDef *I2Cx)
 Disable Reset of I2C peripheral.
__STATIC_INLINE uint32_t LL_I2C_IsResetEnabled (I2C_TypeDef *I2Cx)
 Check if the I2C peripheral is under reset state or not.
__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_EnableBitPOS (I2C_TypeDef *I2Cx)
 Enable bit POS (master/host mode).
__STATIC_INLINE void LL_I2C_DisableBitPOS (I2C_TypeDef *I2Cx)
 Disable bit POS (master/host mode).
__STATIC_INLINE uint32_t LL_I2C_IsEnabledBitPOS (I2C_TypeDef *I2Cx)
 Check if bit POS is enabled or disabled.
__STATIC_INLINE uint32_t LL_I2C_GetTransferDirection (I2C_TypeDef *I2Cx)
 Indicate the value of transfer direction.
__STATIC_INLINE void LL_I2C_EnableLastDMA (I2C_TypeDef *I2Cx)
 Enable DMA last transfer.
__STATIC_INLINE void LL_I2C_DisableLastDMA (I2C_TypeDef *I2Cx)
 Disable DMA last transfer.
__STATIC_INLINE uint32_t LL_I2C_IsEnabledLastDMA (I2C_TypeDef *I2Cx)
 Check if DMA last transfer is enabled or disabled.
__STATIC_INLINE void LL_I2C_EnableSMBusPECCompare (I2C_TypeDef *I2Cx)
 Enable transfer or internal comparison of the SMBus Packet Error byte (transmission or reception mode).
__STATIC_INLINE void LL_I2C_DisableSMBusPECCompare (I2C_TypeDef *I2Cx)
 Disable transfer or 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 transfer or 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:

© COPYRIGHT(c) 2017 STMicroelectronics

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.

Definition in file stm32f4xx_ll_i2c.h.