Hal I2C Generic Driver; I2C_Inittypedef; I2C_Handletypedef; I2C Firmware Driver Registers Structures - ST STM32F2 User Manual

HAL I2C Generic Driver

24 HAL I2C Generic Driver
24.1

I2C Firmware driver registers structures

24.1.1

I2C_InitTypeDef

Data Fields
uint32_t ClockSpeed
uint32_t DutyCycle
uint32_t OwnAddress1
uint32_t AddressingMode
uint32_t DualAddressMode
uint32_t OwnAddress2
uint32_t GeneralCallMode
uint32_t NoStretchMode
Field Documentation
uint32_t I2C_InitTypeDef::ClockSpeed
Specifies the clock frequency. This parameter must be set to a value lower than
400kHz
uint32_t I2C_InitTypeDef::DutyCycle
Specifies the I2C fast mode duty cycle. This parameter can be a value of
I2C_duty_cycle_in_fast_mode
uint32_t I2C_InitTypeDef::OwnAddress1
Specifies the first device own address. This parameter can be a 7-bit or 10-bit
address.
uint32_t I2C_InitTypeDef::AddressingMode
Specifies if 7-bit or 10-bit addressing mode is selected. This parameter can be a value
of I2C_addressing_mode
uint32_t I2C_InitTypeDef::DualAddressMode
Specifies if dual addressing mode is selected. This parameter can be a value of
I2C_dual_addressing_mode
uint32_t I2C_InitTypeDef::OwnAddress2
Specifies the second device own address if dual addressing mode is selected This
parameter can be a 7-bit address.
uint32_t I2C_InitTypeDef::GeneralCallMode
Specifies if general call mode is selected. This parameter can be a value of
I2C_general_call_addressing_mode
uint32_t I2C_InitTypeDef::NoStretchMode
Specifies if nostretch mode is selected. This parameter can be a value of
I2C_nostretch_mode
24.1.2

I2C_HandleTypeDef

Data Fields
I2C_TypeDef * Instance
I2C_InitTypeDef Init
uint8_t * pBuffPtr
uint16_t XferSize
__IO uint16_t XferCount
__IO uint32_t XferOptions
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