i2c Struct Reference
[I2C driver]

i2c bus controller structure. More...

#include <i2cd.h>

Collaboration diagram for i2c:

Public Attributes
i2c_device *	ioaddr
	device address of this unit. More...
int	mode
	selector for master/slave. More...
int	m_head
	head of master queue. More...
int	m_tail
	tail of master queue. More...
i2cmess *	m_buff [MBUFLEN]
	master buffer. More...
ssem_t	m_sem
	master semaphore. More...
int	m_cnt
	count of jobs in buf. More...
int	m_dcnt
	currently sent bytes of msg. More...
void(*	m_state_handler )(struct i2c *ptr)
	routine called in master mode. More...
int	m_state
	state of handler. More...
int	s_iptr
	head of slave inqueue. More...
int	s_icnt
	count of char in inqueue. More...
ssem_t	s_isem
	slave input semaphore. More...
char	s_ibuff [SBUFLEN]
	slave input buffer. More...
int	s_optr
	head of slave outqueue. More...
int	s_ocnt
	count of char in outqueue. More...
ssem_t	s_osem
	slave output semaphore. More...
char	s_obuff [SBUFLEN]
	slave output buffer. More...
void(*	s_state_handler )(struct i2c *ptr)
	routine called in slave mode. More...
int	s_state
	state of handler. More...
char	s_status
	exception flags. More...

Detailed Description

i2c bus controller structure.

Definition at line 93 of file i2cd.h.

struct i2c_device* i2c::ioaddr

device address of this unit.

Definition at line 94 of file i2cd.h.
Referenced by _I2C_master_handler, _I2C_slave_handler, I2C_init, I2C_slprocess, and I2C_Start_I2C_Transfer.

struct i2cmess* i2c::m_buff[MBUFLEN]

master buffer.

Definition at line 98 of file i2cd.h.
Referenced by _I2C_master_handler, GenerateStop, and I2C_Start_I2C_Transfer.

int i2c::m_cnt

count of jobs in buf.

Definition at line 100 of file i2cd.h.
Referenced by GenerateStop, I2C_init, and I2C_Start_I2C_Transfer.

int i2c::m_dcnt

currently sent bytes of msg.

Definition at line 101 of file i2cd.h.
Referenced by _I2C_master_handler, GenerateStop, and I2C_init.

int i2c::m_head

head of master queue.

Definition at line 96 of file i2cd.h.
Referenced by I2C_init, and I2C_Start_I2C_Transfer.

ssem_t i2c::m_sem

master semaphore.

Definition at line 99 of file i2cd.h.
Referenced by GenerateStop, I2C_init, and I2C_Start_I2C_Transfer.

int i2c::m_state

state of handler.

Definition at line 103 of file i2cd.h.
Referenced by _I2C_master_handler, GenerateStop, and I2C_init.

void(* i2c::m_state_handler)(struct i2c *ptr)

routine called in master mode.

Referenced by GenerateStop, I2C_init, I2C_inthandler, and I2C_Start_I2C_Transfer.

int i2c::m_tail

tail of master queue.

Definition at line 97 of file i2cd.h.
Referenced by _I2C_master_handler, GenerateStop, and I2C_init.

int i2c::mode

selector for master/slave.

Definition at line 95 of file i2cd.h.
Referenced by _I2C_master_handler, GenerateStop, I2C_init, I2C_inthandler, and I2C_Start_I2C_Transfer.

char i2c::s_ibuff[SBUFLEN]

slave input buffer.

Definition at line 107 of file i2cd.h.
Referenced by _I2C_slave_handler, and I2C_slprocess.

int i2c::s_icnt

count of char in inqueue.

Definition at line 105 of file i2cd.h.
Referenced by _I2C_slave_handler, I2C_init, and I2C_slprocess.

int i2c::s_iptr

head of slave inqueue.

Definition at line 104 of file i2cd.h.
Referenced by _I2C_slave_handler, I2C_init, and I2C_slprocess.

ssem_t i2c::s_isem

slave input semaphore.

Definition at line 106 of file i2cd.h.
Referenced by _I2C_slave_handler, I2C_init, and I2C_slprocess.

char i2c::s_obuff[SBUFLEN]

slave output buffer.

Definition at line 111 of file i2cd.h.
Referenced by _I2C_slave_handler, and I2C_slprocess.

int i2c::s_ocnt

count of char in outqueue.

Definition at line 109 of file i2cd.h.
Referenced by _I2C_slave_handler, I2C_init, and I2C_slprocess.

int i2c::s_optr

head of slave outqueue.

Definition at line 108 of file i2cd.h.
Referenced by _I2C_slave_handler, I2C_init, and I2C_slprocess.

ssem_t i2c::s_osem

slave output semaphore.

Definition at line 110 of file i2cd.h.
Referenced by _I2C_slave_handler, I2C_init, and I2C_slprocess.

int i2c::s_state

state of handler.

Definition at line 113 of file i2cd.h.
Referenced by _I2C_slave_handler, I2C_init, and I2C_Start_I2C_Transfer.

void(* i2c::s_state_handler)(struct i2c *ptr)

routine called in slave mode.

Referenced by _I2C_master_handler, I2C_init, and I2C_inthandler.

char i2c::s_status

exception flags.

Definition at line 114 of file i2cd.h.
Referenced by _I2C_slave_handler, I2C_init, and I2C_slprocess.

The documentation for this struct was generated from the following file:

Generated on Thu Feb 20 15:39:00 2003 for cubeOS by