Detailed Description

I2C Driver Object.

Data Fields
Initialization Parameters
uint32_t	baseAddr

uint32_t	intrNum

uint8_t	bitRate

uint32_t	funcClk

uint32_t	ownTargetAddr [I2C_MAX_NUM_OWN_TARGET_ADDR]

I2C_Clock_getTicks	Clock_getTicks

I2C_Clock_usecToTicks	Clock_usecToTicks

I2C_Clock_uSleep	Clock_uSleep

I2C_lld_transferCompleteCallback	transferCompleteCallback

I2C_lld_targetTransferCompleteCallback	targetTransferCompleteCallback

User Parameters
uint8_t	state

uint32_t	intStatusErr

Transfer Parameters
I2CLLD_Message *	currentMsg

I2CLLD_targetTransaction *	currentTargetTransaction

uint8_t *	writeBufIdx

uint32_t	writeCountIdx

uint8_t *	readBufIdx

uint32_t	readCountIdx

uint32_t	startTicks

uint32_t	currentTxnCount

I2CLLD_Message	i2cMsg

I2CLLD_Transaction	i2ctxn

uint8_t *	dataArray

uint8_t	addBuff [2]

uint8_t	memAddrSize

bool	memTxnActive

I2CLLD_targetTransaction	i2cTargetTransaction

void *	args

Field Documentation

◆ baseAddr

uint32_t I2CLLD_Object::baseAddr

Peripheral base address - CPU view

◆ intrNum

uint32_t I2CLLD_Object::intrNum

I2C Peripheral interrupt vector

◆ bitRate

uint8_t I2CLLD_Object::bitRate

I2C bit rate

◆ funcClk

uint32_t I2CLLD_Object::funcClk

I2C input functional clock

◆ ownTargetAddr

uint32_t I2CLLD_Object::ownTargetAddr[I2C_MAX_NUM_OWN_TARGET_ADDR]

I2C own target addresses

◆ Clock_getTicks

I2C_Clock_getTicks I2CLLD_Object::Clock_getTicks

Clock_getTicks Function Pointer used by driver

◆ Clock_usecToTicks

I2C_Clock_usecToTicks I2CLLD_Object::Clock_usecToTicks

Clock_usecToTicks Function Pointer used by driver

◆ Clock_uSleep

I2C_Clock_uSleep I2CLLD_Object::Clock_uSleep

Clock_uSleep Function Pointer used by driver

◆ transferCompleteCallback

I2C_lld_transferCompleteCallback I2CLLD_Object::transferCompleteCallback

Callback Function Pointer in Controller Mode

◆ targetTransferCompleteCallback

I2C_lld_targetTransferCompleteCallback I2CLLD_Object::targetTransferCompleteCallback

Callback Function Pointer in Target Mode

◆ state

uint8_t I2CLLD_Object::state

Stores the I2C state

◆ intStatusErr

uint32_t I2CLLD_Object::intStatusErr

Stores the error status of i2c Controller

◆ currentMsg

I2CLLD_Message* I2CLLD_Object::currentMsg

I2C transaction variables

◆ currentTargetTransaction

I2CLLD_targetTransaction* I2CLLD_Object::currentTargetTransaction

Pointer to current I2C target transaction

◆ writeBufIdx

uint8_t* I2CLLD_Object::writeBufIdx

Internal inc. writeBuf index

◆ writeCountIdx

uint32_t I2CLLD_Object::writeCountIdx

Internal dec. writeCounter

◆ readBufIdx

uint8_t* I2CLLD_Object::readBufIdx

Internal inc. readBuf index

◆ readCountIdx

uint32_t I2CLLD_Object::readCountIdx

Internal dec. readCounter

◆ startTicks

uint32_t I2CLLD_Object::startTicks

Current msg Start ticks

◆ currentTxnCount

uint32_t I2CLLD_Object::currentTxnCount

Stores current transaction count

◆ i2cMsg

I2CLLD_Message I2CLLD_Object::i2cMsg

i2cMessage object used by read/write APIs

◆ i2ctxn

I2CLLD_Transaction I2CLLD_Object::i2ctxn

i2cTransaction array for read and write

◆ dataArray

uint8_t* I2CLLD_Object::dataArray

Pointer to data array for memory read and write

◆ addBuff

uint8_t I2CLLD_Object::addBuff[2]

Data buffer for storing address during memory read and write

◆ memAddrSize

uint8_t I2CLLD_Object::memAddrSize

Stores memory address size for memory read and write Operation

◆ memTxnActive

bool I2CLLD_Object::memTxnActive

Memory transaction in progress: true: Memory transaction in progress, false: No memory transaction in progress

◆ i2cTargetTransaction

I2CLLD_targetTransaction I2CLLD_Object::i2cTargetTransaction

I2CLLD_targetTransaction object used by transfer API

◆ args

void* I2CLLD_Object::args

Pointer to be used by application to store miscellaneous data