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/projects/cubeos/src_current/drivers/i2c/i2cd.h File Reference

#include <ssem.h>

Include dependency graph for i2cd.h:

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Go to the source code of this file.

Compounds
struct	i2c
	i2c bus controller structure. More...
struct	i2cmess
	I2C message structure. More...
Defines
#define	I2C_MASTER   0
#define	I2C_SLAVE   1
#define	I2CA   0x41
#define	I2CB   0x42
#define	I2C_TIMEOUT_VAL   1000
#define	I2CA_SLAVE_ADDR   0x55
#define	I2CB_SLAVE_ADDR   0x56
#define	I2C_SPEED   0x1c
#define	I2C_MASTER_MODE   0
#define	I2C_SLAVE_MODE   1
#define	MASTER_IDLE   0
#define	MASTER_SEND   1
#define	MASTER_WAIT_ACK   2
#define	MASTER_RECV   3
#define	MASTER_RECV_LAST   4
#define	SLAVE_IDLE   0
#define	SLAVE_SEND   1
#define	SLAVE_RECV   2
#define	MBUFLEN   10
#define	SBUFLEN   10
#define	I2C_NOT_PROCESSED   0
#define	I2C_OK   1
#define	I2C_BUSY   2
#define	I2C_ERR   3
#define	I2C_NACK_ON_DATA   4
#define	I2C_NACK_ON_ADDRESS   5
#define	I2C_ARBITRATION_LOST   6
#define	I2C_TIME_OUT   7
#define	I2C_NO_BUS   8
#define	I2C_SLAVE_OBUF_EMPTY   1
#define	I2C_SLAVE_IBUF_OVERFLOW   2
#define	I2C_SLAVE_ERR   4
Functions
void	I2C_inthandler (unsigned long minor)
	internal I2C interrupt handler. More...
void	_I2C_master_handler (struct i2c *p)
	internal I2C master queue handler. More...
void	_I2C_slave_handler (struct i2c *p)
	internal I2C slave handler. More...
int	I2C_init (int which, unsigned long ioaddr)
	Initialize I2C. More...
int	I2C_process (unsigned char whichBus, unsigned char whichQueue, struct i2cmess *msg)
	generic I2C processing function. More...
int	I2C_messagestatus (struct i2cmess *msg)
	check the message status of an I2C message. More...
int	I2C_scanbus (unsigned char whichBus)
	scan the I2C bus for devices. More...
void	I2C_int_a (void)
void	I2C_int_b (void)
Variables
i2c	i2c []
	static host controller structure. More...

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Detailed Description

Definition in file i2cd.h.

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Define Documentation

#define I2C_ARBITRATION_LOST   6

Definition at line 66 of file i2cd.h. Referenced by _I2C_master_handler, I2C_messagestatus, and I2C_Start_I2C_Transfer.

#define I2C_BUSY   2

Definition at line 62 of file i2cd.h.

#define I2C_ERR   3

Definition at line 63 of file i2cd.h. Referenced by _I2C_master_handler, I2C_messagestatus, I2C_slprocess, and I2C_Start_I2C_Transfer.

#define I2C_MASTER   0

Definition at line 26 of file i2cd.h. Referenced by I2C_ConfigureAnalog, I2C_init_analog, I2C_init_digital, I2C_process, I2C_ReadAnalogIn, I2C_ReadBinIn, I2C_scanbus, I2C_WriteAnalogOut, and I2C_WriteBinOut.

#define I2C_MASTER_MODE   0

Definition at line 37 of file i2cd.h. Referenced by _I2C_master_handler, I2C_inthandler, and I2C_Start_I2C_Transfer.

#define I2C_NACK_ON_ADDRESS   5

Definition at line 65 of file i2cd.h. Referenced by _I2C_master_handler, I2C_init_analog, I2C_init_digital, I2C_messagestatus, I2C_scanbus, and I2C_Start_I2C_Transfer.

#define I2C_NACK_ON_DATA   4

Definition at line 64 of file i2cd.h. Referenced by _I2C_master_handler, I2C_messagestatus, I2C_scanbus, and I2C_Start_I2C_Transfer.

#define I2C_NO_BUS   8

Definition at line 68 of file i2cd.h. Referenced by I2C_init_analog, I2C_init_digital, I2C_messagestatus, I2C_scanbus, I2C_slprocess, and I2C_Start_I2C_Transfer.

#define I2C_NOT_PROCESSED   0

Definition at line 60 of file i2cd.h. Referenced by I2C_slprocess, and I2C_Start_I2C_Transfer.

#define I2C_OK   1

Definition at line 61 of file i2cd.h. Referenced by _I2C_master_handler, I2C_ConfigureAnalog, I2C_init_analog, I2C_init_digital, I2C_messagestatus, I2C_scanbus, I2C_slprocess, I2C_Start_I2C_Transfer, I2C_WriteAnalogOut, and I2C_WriteBinOut.

#define I2C_SLAVE   1

Definition at line 27 of file i2cd.h.

#define I2C_SLAVE_ERR   4

Definition at line 74 of file i2cd.h. Referenced by _I2C_slave_handler.

#define I2C_SLAVE_IBUF_OVERFLOW   2

Definition at line 73 of file i2cd.h. Referenced by _I2C_slave_handler, and I2C_slprocess.

#define I2C_SLAVE_MODE   1

Definition at line 38 of file i2cd.h. Referenced by _I2C_master_handler, GenerateStop, I2C_init, and I2C_Start_I2C_Transfer.

#define I2C_SLAVE_OBUF_EMPTY   1

Definition at line 72 of file i2cd.h. Referenced by _I2C_slave_handler, and I2C_slprocess.

#define I2C_SPEED   0x1c

Definition at line 35 of file i2cd.h. Referenced by I2C_init.

#define I2C_TIME_OUT   7

Definition at line 67 of file i2cd.h. Referenced by _I2C_master_handler, I2C_init_analog, I2C_init_digital, I2C_messagestatus, I2C_scanbus, and I2C_Start_I2C_Transfer.

#define I2C_TIMEOUT_VAL   1000

Definition at line 32 of file i2cd.h. Referenced by _I2C_master_handler.

#define I2CA   0x41

Definition at line 29 of file i2cd.h. Referenced by I2C_init, I2C_init_analog, I2C_init_digital, I2C_slprocess, and I2C_Start_I2C_Transfer.

#define I2CA_SLAVE_ADDR   0x55

Definition at line 33 of file i2cd.h. Referenced by I2C_init.

#define I2CB   0x42

Definition at line 30 of file i2cd.h. Referenced by I2C_init, I2C_init_analog, and I2C_init_digital.

#define I2CB_SLAVE_ADDR   0x56

Definition at line 34 of file i2cd.h. Referenced by I2C_init.

#define MASTER_IDLE   0

Definition at line 42 of file i2cd.h. Referenced by _I2C_master_handler, GenerateStop, and I2C_init.

#define MASTER_RECV   3

Definition at line 45 of file i2cd.h. Referenced by _I2C_master_handler.

#define MASTER_RECV_LAST   4

Definition at line 46 of file i2cd.h. Referenced by _I2C_master_handler.

#define MASTER_SEND   1

Definition at line 43 of file i2cd.h. Referenced by _I2C_master_handler.

#define MASTER_WAIT_ACK   2

Definition at line 44 of file i2cd.h. Referenced by _I2C_master_handler.

#define MBUFLEN   10

Definition at line 55 of file i2cd.h. Referenced by GenerateStop, I2C_init, and I2C_Start_I2C_Transfer.

#define SBUFLEN   10

Definition at line 56 of file i2cd.h. Referenced by _I2C_slave_handler, and I2C_slprocess.

#define SLAVE_IDLE   0

Definition at line 50 of file i2cd.h. Referenced by _I2C_slave_handler, I2C_init, and I2C_Start_I2C_Transfer.

#define SLAVE_RECV   2

Definition at line 52 of file i2cd.h. Referenced by _I2C_slave_handler.

#define SLAVE_SEND   1

Definition at line 51 of file i2cd.h. Referenced by _I2C_slave_handler.

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Function Documentation

void I2C_int_a (  void    )

Referenced by I2C_init.

void I2C_int_b (  void    )

Referenced by I2C_init.

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Variable Documentation

struct i2c i2c[]

static host controller structure. Definition at line 126 of file i2cd.h.

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