i2c_17xx_40xx.c File Reference

#include "chip.h"

Go to the source code of this file.

Data Structures
struct	i2c_interface
struct	i2c_slave_interface

Macros
#define	SLAVE_ACTIVE(iic)   (((iic)->flags & 0xFF00) != 0)
#define	I2C_GetClk(x)   Chip_Clock_GetPeripheralClockRate()

Functions
void	Chip_I2C_EventHandler (I2C_ID_T id, I2C_EVENT_T event)
	Default event handler for interrupt base operation.
void	Chip_I2C_EventHandlerPolling (I2C_ID_T id, I2C_EVENT_T event)
	Default event handler for polling operation.
void	Chip_I2C_Init (I2C_ID_T id)
	Initializes the LPC_I2C peripheral with specified parameter.
void	Chip_I2C_DeInit (I2C_ID_T id)
	De-initializes the I2C peripheral registers to their default reset values.
void	Chip_I2C_SetClockRate (I2C_ID_T id, uint32_t clockrate)
	Set up clock rate for LPC_I2C peripheral.
uint32_t	Chip_I2C_GetClockRate (I2C_ID_T id)
	Get current clock rate for LPC_I2C peripheral.
int	Chip_I2C_SetMasterEventHandler (I2C_ID_T id, I2C_EVENTHANDLER_T event)
	Set function that must handle I2C events.
I2C_EVENTHANDLER_T	Chip_I2C_GetMasterEventHandler (I2C_ID_T id)
	Get pointer to current function handling the events.
int	Chip_I2C_MasterTransfer (I2C_ID_T id, I2C_XFER_T *xfer)
	Transmit and Receive data in master mode.
int	Chip_I2C_MasterSend (I2C_ID_T id, uint8_t slaveAddr, const uint8_t *buff, uint8_t len)
	Transmit data to I2C slave using I2C Master mode.
int	Chip_I2C_MasterCmdRead (I2C_ID_T id, uint8_t slaveAddr, uint8_t cmd, uint8_t *buff, int len)
	Transfer a command to slave and receive data from slave after a repeated start.
int	Chip_I2C_MasterRead (I2C_ID_T id, uint8_t slaveAddr, uint8_t *buff, int len)
	Set function that must handle I2C events.
int	Chip_I2C_IsMasterActive (I2C_ID_T id)
	Checks if master xfer in progress.
void	Chip_I2C_MasterStateHandler (I2C_ID_T id)
	I2C Master transfer state change handler.
void	Chip_I2C_SlaveSetup (I2C_ID_T id, I2C_SLAVE_ID sid, I2C_XFER_T *xfer, I2C_EVENTHANDLER_T event, uint8_t addrMask)
	Setup a slave I2C device.
void	Chip_I2C_SlaveStateHandler (I2C_ID_T id)
	I2C Slave event handler.
void	Chip_I2C_Disable (I2C_ID_T id)
	Disable I2C peripheral's operation.
int	Chip_I2C_IsStateChanged (I2C_ID_T id)
	I2C peripheral state change checking.

Variables
static struct i2c_interface	i2c [I2C_NUM_INTERFACE]
static struct i2c_slave_interface	i2c_slave [I2C_NUM_INTERFACE][I2C_SLAVE_NUM_INTERFACE]

Macro Definition Documentation

#define I2C_GetClk

(

x

)

Chip_Clock_GetPeripheralClockRate()

Definition at line 47 of file i2c_17xx_40xx.c.

#define SLAVE_ACTIVE

(

iic

)

(((iic)->flags & 0xFF00) != 0)

Definition at line 37 of file i2c_17xx_40xx.c.

Variable Documentation

struct i2c_interface i2c[I2C_NUM_INTERFACE]

static

Initial value:

= {
 {LPC_I2C0, SYSCTL_CLOCK_I2C0, Chip_I2C_EventHandler, NULL, NULL, NULL, 0},
 {LPC_I2C1, SYSCTL_CLOCK_I2C1, Chip_I2C_EventHandler, NULL, NULL, NULL, 0},
 {LPC_I2C2, SYSCTL_CLOCK_I2C2, Chip_I2C_EventHandler, NULL, NULL, NULL, 0}
}

Definition at line 68 of file i2c_17xx_40xx.c.

struct i2c_slave_interface i2c_slave[I2C_NUM_INTERFACE][I2C_SLAVE_NUM_INTERFACE]

static

Definition at line 74 of file i2c_17xx_40xx.c.