Macros
#define	I2C_WRITE 0
	R/W state when write is received.

#define	I2C_READ 1
	R/W state when read is received.

Functions
void	SMBus_PHY_disable (SMBus *smbus)
	Disables the PHY and Data Link layer. More...

void	SMBus_PHY_enable (SMBus *smbus)
	Enables the PHY and Data Link layer. More...

void	SMBus_PHY_targetEnable (SMBus *smbus)
	Enables the PHY and Data Link layer for target operation. More...

void	SMBus_PHY_targetEnableInt (SMBus *smbus)
	Enables the I2C interrupts. More...

void	SMBus_PHY_targetInit (SMBus smbus, I2C_Regs i2cAddr)
	Initializes the I2C Target module supporting SMBus functionality. More...

SMBus_State	SMBus_PHY_targetProcessInt (SMBus *smbus)
	I2C Interrupt Service routine. More...

void	SMBus_PHY_controllerEnable (SMBus *smbus)
	Enables the PHY and Data Link layer. More...

void	SMBus_PHY_controllerEnableInt (SMBus *smbus)
	Enables the I2C interrupts. More...

void	SMBus_PHY_controllerInit (SMBus smbus, I2C_Regs i2cAddr, uint32_t busClk)
	Initializes the I2C Controller module supporting SMBus functionality. More...

void	SMBus_PHY_controllerSendStop (SMBus *smbus)
	Generate Stop condition if it hasn't been sent. More...

void	SMBus_PHY_controllerStartTx (SMBus *smbus, uint8_t targetaddr, uint16_t length, SMBus_Stop stopFlag)
	Start a TX transfer. More...

void	SMBus_PHY_controllerStartRx (SMBus *smbus, uint8_t targetaddr, uint16_t length, SMBus_Start startFlag, SMBus_Stop stopFlag, SMBus_Auto_Ack ackFlag)
	Start a RX transfer. More...

SMBus_State	SMBus_PHY_controllerProcessInt (SMBus *smbus)
	I2C Interrupt Service routine. More...

Detailed Description

Function Documentation

§ SMBus_PHY_disable()

void SMBus_PHY_disable ( SMBus * smbus )

Disables the PHY and Data Link layer.

Parameters

*smbus Pointer to SMBus structure

Returns: None

References SMBus_Ctrl::bits, SMBus::ctrl, SMBus::phy, SMBus_Ctrl::phyEn, and SMBus_Phy::SMBus_Phy_i2cBase.

Referenced by SMBus_NWK_controllerReset(), SMBus_NWK_targetProcessTimeout(), SMBus_PHY_controllerEnable(), and SMBus_PHY_targetEnable().

§ SMBus_PHY_enable()

void SMBus_PHY_enable ( SMBus * smbus )

Enables the PHY and Data Link layer.

Parameters

*smbus Pointer to SMBus structure

Returns: None

References SMBus_Ctrl::bits, SMBus_Ctrl::controller, SMBus::ctrl, SMBus_PHY_controllerEnable(), and SMBus_PHY_targetEnable().

§ SMBus_PHY_targetEnable()

void SMBus_PHY_targetEnable ( SMBus * smbus )

Enables the PHY and Data Link layer for target operation.

Parameters

*smbus Pointer to SMBus structure

Returns: None

References SMBus_Ctrl::bits, SMBus::ctrl, SMBus_Ctrl::intEn, SMBus::ownTargetAddr, SMBus::phy, SMBus_Ctrl::phyEn, SMBus_PHY_disable(), SMBus_Phy::SMBus_Phy_i2cBase, and SMBus_targetEnableInt().

Referenced by SMBus_NWK_targetProcessTimeout(), and SMBus_PHY_enable().

§ SMBus_PHY_targetEnableInt()

void SMBus_PHY_targetEnableInt ( SMBus * smbus )

Enables the I2C interrupts.

This function enables the I2C Start ,Stop, RX ,TX, Timeout interrupts. SMBus_PHY_targetInit() must be called before this function.

Parameters

*smbus Pointer to SMBus structure

Returns: None

References SMBus_Ctrl::bits, SMBus::ctrl, SMBus_Ctrl::intEn, SMBus::phy, and SMBus_Phy::SMBus_Phy_i2cBase.

Referenced by SMBus_targetEnableInt().

§ SMBus_PHY_targetInit()

void SMBus_PHY_targetInit	(	SMBus *	smbus,
		I2C_Regs *	i2cAddr
	)

Initializes the I2C Target module supporting SMBus functionality.

Resets and then configures the I2C for SMBus support
I2C is enabled using Automatic ACK and Target address is initialized to 0x00
Call SMBus_targetSetAddress() in order to set the Target address
Parameters

*smbus Pointer to SMBus structure

i2cAddr Base address of I2C module

References SMBus::phy, and SMBus_Phy::SMBus_Phy_i2cBase.

Referenced by SMBus_targetInit().

§ SMBus_PHY_targetProcessInt()

SMBus_State SMBus_PHY_targetProcessInt ( SMBus * smbus )

I2C Interrupt Service routine.

Handles the interrupts from I2C module and passes the information to the network layer. Should be called by application when an I2C interrupt is detected.

Parameters

smbus Pointer to SMBus structure

Returns: The new state of Target (see SMBus_targetProcessInt())

References SMBus::phy, SMBus_NWK_targetProcessRx(), SMBus_NWK_targetProcessStart(), SMBus_NWK_targetProcessStop(), SMBus_NWK_targetProcessTx(), SMBus_Phy::SMBus_Phy_i2cBase, and SMBus_State_Target_NTR.

Referenced by SMBus_targetProcessInt().

§ SMBus_PHY_controllerEnable()

void SMBus_PHY_controllerEnable ( SMBus * smbus )

Enables the PHY and Data Link layer.

Parameters

*smbus Pointer to SMBus structure

Returns: None

References SMBus_Ctrl::bits, SMBus::ctrl, SMBus_Ctrl::intEn, SMBus::phy, SMBus_Ctrl::phyEn, SMBus_controllerEnableInt(), SMBus_PHY_disable(), and SMBus_Phy::SMBus_Phy_i2cBase.

Referenced by SMBus_NWK_controllerReset(), and SMBus_PHY_enable().

§ SMBus_PHY_controllerEnableInt()

void SMBus_PHY_controllerEnableInt ( SMBus * smbus )

Enables the I2C interrupts.

This function enables the I2C Start, Stop, RX,TX, Timeout interrupts. SMBus_PHY_targetInit() must be called before this function.

Parameters

*smbus Pointer to SMBus structure

Returns: None

References SMBus_Ctrl::bits, SMBus::ctrl, SMBus_Ctrl::intEn, SMBus::phy, and SMBus_Phy::SMBus_Phy_i2cBase.

Referenced by SMBus_controllerEnableInt().

§ SMBus_PHY_controllerInit()

void SMBus_PHY_controllerInit	(	SMBus *	smbus,
		I2C_Regs *	i2cAddr,
		uint32_t	busClk
	)

Initializes the I2C Controller module supporting SMBus functionality.

Resets and then configures the I2C for SMBus support
I2C is enabled using Automatic ACK and Target address is initialized to 0x00
Parameters

smbus Pointer to SMBus structure

i2cAddr Base address of I2C module

busClk SMCLK Frequency (used for I2C)

Returns
None

References SMBus::ownTargetAddr, SMBus::phy, and SMBus_Phy::SMBus_Phy_i2cBase.

Referenced by SMBus_controllerInit().

§ SMBus_PHY_controllerSendStop()

void SMBus_PHY_controllerSendStop ( SMBus * smbus )

Generate Stop condition if it hasn't been sent.

Parameters

smbus Pointer to SMBus structure

Returns: None

References SMBus::phy, and SMBus_Phy::SMBus_Phy_i2cBase.

Referenced by SMBus_NWK_controllerProcessNACK(), and SMBus_NWK_controllerProcessRx().

§ SMBus_PHY_controllerStartTx()

void SMBus_PHY_controllerStartTx	(	SMBus *	smbus,
		uint8_t	targetaddr,
		uint16_t	length,
		SMBus_Stop	stopFlag
	)

Start a TX transfer.

Parameters

smbus	Pointer to SMBus structure
targetaddr	Target target address
length	Number of bytes to send, not including the address byte
stopFlag	Indicates whether the HW will generate stop condition

Returns: None

§ SMBus_PHY_controllerStartRx()

void SMBus_PHY_controllerStartRx	(	SMBus *	smbus,
		uint8_t	targetaddr,
		uint16_t	length,
		SMBus_Start	startFlag,
		SMBus_Stop	stopFlag,
		SMBus_Auto_Ack	ackFlag
	)

Start a RX transfer.

Parameters

smbus	Pointer to SMBus structure
targetaddr	Target target address
length	Number of bytes to send, not including the address byte
stopFlag	Indicates whether the HW will generate stop condition
startFlag	Indicates whether the HW will generate start condition
ackFlag	Indicates whether the HW will auto ack the last byte

Returns: None

§ SMBus_PHY_controllerProcessInt()

SMBus_State SMBus_PHY_controllerProcessInt ( SMBus * smbus )

I2C Interrupt Service routine.

Handles the interrupts from I2C module and passes the information to the network layer. Should be called by application when an I2C interrupt is detected.

Parameters

smbus Pointer to SMBus structure

Returns: The new state of controller (see SMBus_controllerProcessInt())

References SMBus::phy, SMBus_NWK_controllerProcessNACK(), SMBus_NWK_controllerProcessRx(), SMBus_NWK_controllerProcessStop(), SMBus_NWK_controllerProcessTimeout(), SMBus_NWK_controllerProcessTx(), SMBus_NWK_controllerTxDone(), and SMBus_Phy::SMBus_Phy_i2cBase.

Referenced by SMBus_controllerProcessInt().

*smbus	Pointer to SMBus structure
i2cAddr	Base address of I2C module

Macros

Functions

Detailed Description

Function Documentation

§ SMBus_PHY_disable()

§ SMBus_PHY_enable()

§ SMBus_PHY_targetEnable()

§ SMBus_PHY_targetEnableInt()

§ SMBus_PHY_targetInit()

§ SMBus_PHY_targetProcessInt()

§ SMBus_PHY_controllerEnable()

§ SMBus_PHY_controllerEnableInt()

§ SMBus_PHY_controllerInit()

§ SMBus_PHY_controllerSendStop()

§ SMBus_PHY_controllerStartTx()

§ SMBus_PHY_controllerStartRx()

§ SMBus_PHY_controllerProcessInt()