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/projects/cubeos/src_current/drivers/i2c/digital.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <digital.h>
#include <i2cd.h>

Include dependency graph for digital.c:

Go to the source code of this file.

Functions
unsigned char	I2C_ReadBinIn (int chip)
	read the binary input on a PCF8574(A) device. More...
int	I2C_WriteBinOut (int chip, unsigned char value)
int	I2C_init_digital ()
	initializes all PCF8574 devices in the system. More...
Variables
_I2C_bin_datas	_I2C_bin_data [32]
	keeps the internal data for all PCF8574(A) bin i/o devices. More...
int	_I2C_binnum
unsigned char	_I2C_digital_mbuf [MAXI2CMESSLENGTH]
i2cmess	_I2C_digital_m

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Detailed Description

Definition in file digital.c.

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Function Documentation

int I2C_WriteBinOut (  int    chip, unsigned char    value )

Definition at line 60 of file digital.c. References _I2C_digital_mbuf, _I2C_bin_datas::active, _I2C_bin_datas::address, i2cmess::address, i2cmess::buf, I2C_MASTER, I2C_OK, I2C_process, i2cmess::nrBytes, and i2cmess::status.

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Variable Documentation

int _I2C_binnum

Definition at line 30 of file digital.c. Referenced by I2C_init_digital.

struct i2cmess _I2C_digital_m

Definition at line 34 of file digital.c.

unsigned char _I2C_digital_mbuf[MAXI2CMESSLENGTH]

Definition at line 33 of file digital.c. Referenced by I2C_init_digital, I2C_ReadBinIn, and I2C_WriteBinOut.

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