sif_pi4ioe5v6408.h File Reference

#include <stdint.h>

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Macros
#define	SIF_PI4IOE5V6408_I2C_ADDR   0x43
#define	SIF_PI4IOE5V6408_INT_PIN   31
#define	SIF_PI4IOE5V6408_DATALEN   1
#define	SIF_PI4IOE5V6408_ADDLEN   1
#define	SIF_PI4IOE5V6408_REG_ID_CTRL   0x01 /* device id and control */
#define	SIF_PI4IOE5V6408_REG_IO_DIR   0x03 /* i/o direction */
#define	SIF_PI4IOE5V6408_REG_OUT_STATE   0x05 /* output state */
#define	SIF_PI4IOE5V6408_REG_OUT_HIGHZ   0x07 /* output high impedance */
#define	SIF_PI4IOE5V6408_REG_INP_DEFAULT   0x09 /* input default state */
#define	SIF_PI4IOE5V6408_REG_PUP_ENABLE   0x0B /* pullup / pulldown enable */
#define	SIF_PI4IOE5V6408_REG_PUP_DOWNB   0x0D /* pullup / pulldown select */
#define	SIF_PI4IOE5V6408_REG_INP_STATUS   0x0F /* input status */
#define	SIF_PI4IOE5V6408_REG_IRQ_MASK   0x11 /* interrupt mask */
#define	SIF_PI4IOE5V6408_REG_IRQ_STATUS   0x13 /* interrupt status */
#define	SIF_PI4IOE5V6408_T_RESET   1 /* startup time after power-up */
#define	SIF_PI4IOE5V6408_STATE_LO   0 /* low */
#define	SIF_PI4IOE5V6408_STATE_HI   1 /* high */
#define	SIF_PI4IOE5V6408_PUP_OFF   0 /* no pull-up */
#define	SIF_PI4IOE5V6408_PUP_EN   1 /* pull-up enabled */
#define	SIF_PI4IOE5V6408_IRQ_OFF   0 /* irq off (masked) for specific i/o */
#define	SIF_PI4IOE5V6408_IRQ_ON   1 /* irq on for specific i/o */
#define	SIF_PI4IOE5V6408_CTRL_RESET   0x01 /* software reset */
#define	SIF_PI4IOE5V6408_CTRL_IRQRST   0x02 /* reset interrupt */
#define	SIF_PI4IOE5V6408_ID_FW_REV   0x1C /* firmware revision */
#define	SIF_PI4IOE5V6408_ID_DEV_ID   0xE0 /* device id */
#define	SIF_PI4IOE5V6408_ID_FW_REV_SHR   2 /* shift for firmware revision */
#define	SIF_PI4IOE5V6408_ID_DEV_ID_SHR   5 /* shift for devie id */

Enumerations
enum	pi4ioe5v6408_status { SIF_PI4IOE5V6408_ST_OK = 0 , SIF_PI4IOE5V6408_ST_FAIL = 1 , SIF_PI4IOE5V6408_ST_UNAVAILABLE = 2 }

Functions
bool	SIF_PI4IOE5V6408_IsInterruptActive (void)
	Device initialisation. More...
uint8_t	SIF_PI4IOE5V6408_Initialise (void)
	Device initialisation. More...
uint8_t	SIF_PI4IOE5V6408_ReadDeviceId (uint8_t *chip_id, uint8_t *rev_id)
	Read chip id and revision id. More...
uint8_t	SIF_PI4IOE5V6408_SenseInput (uint8_t io, uint8_t *val)
	sense specific input More...
uint8_t	SIF_PI4IOE5V6408_SenseOutput (uint8_t io, uint8_t *val)
	sense specific output More...
uint8_t	SIF_PI4IOE5V6408_SenseAllInputs (uint8_t *port)
	sense all inputs (0-7) for port More...
uint8_t	SIF_PI4IOE5V6408_SetOutput (uint8_t io, uint8_t val)
	set specific output More...
uint8_t	SIF_PI4IOE5V6408_ConfigureInput (uint8_t io, uint8_t irq_on, uint8_t pullup_on)
	configure input More...
uint8_t	SIF_PI4IOE5V6408_ConfigureOutput (uint8_t io)
	configure output More...

Macro Definition Documentation

SIF_PI4IOE5V6408_ADDLEN

#define SIF_PI4IOE5V6408_ADDLEN   1

SIF_PI4IOE5V6408_CTRL_IRQRST

#define SIF_PI4IOE5V6408_CTRL_IRQRST   0x02 /* reset interrupt */

SIF_PI4IOE5V6408_CTRL_RESET

#define SIF_PI4IOE5V6408_CTRL_RESET   0x01 /* software reset */

SIF_PI4IOE5V6408_DATALEN

#define SIF_PI4IOE5V6408_DATALEN   1

SIF_PI4IOE5V6408_I2C_ADDR

#define SIF_PI4IOE5V6408_I2C_ADDR   0x43

SIF_PI4IOE5V6408_ID_DEV_ID

#define SIF_PI4IOE5V6408_ID_DEV_ID   0xE0 /* device id */

SIF_PI4IOE5V6408_ID_DEV_ID_SHR

#define SIF_PI4IOE5V6408_ID_DEV_ID_SHR   5 /* shift for devie id */

SIF_PI4IOE5V6408_ID_FW_REV

#define SIF_PI4IOE5V6408_ID_FW_REV   0x1C /* firmware revision */

SIF_PI4IOE5V6408_ID_FW_REV_SHR

#define SIF_PI4IOE5V6408_ID_FW_REV_SHR   2 /* shift for firmware revision */

SIF_PI4IOE5V6408_INT_PIN

#define SIF_PI4IOE5V6408_INT_PIN   31

SIF_PI4IOE5V6408_IRQ_OFF

#define SIF_PI4IOE5V6408_IRQ_OFF   0 /* irq off (masked) for specific i/o */

SIF_PI4IOE5V6408_IRQ_ON

#define SIF_PI4IOE5V6408_IRQ_ON   1 /* irq on for specific i/o */

SIF_PI4IOE5V6408_PUP_EN

#define SIF_PI4IOE5V6408_PUP_EN   1 /* pull-up enabled */

SIF_PI4IOE5V6408_PUP_OFF

#define SIF_PI4IOE5V6408_PUP_OFF   0 /* no pull-up */

SIF_PI4IOE5V6408_REG_ID_CTRL

#define SIF_PI4IOE5V6408_REG_ID_CTRL   0x01 /* device id and control */

SIF_PI4IOE5V6408_REG_INP_DEFAULT

#define SIF_PI4IOE5V6408_REG_INP_DEFAULT   0x09 /* input default state */

SIF_PI4IOE5V6408_REG_INP_STATUS

#define SIF_PI4IOE5V6408_REG_INP_STATUS   0x0F /* input status */

SIF_PI4IOE5V6408_REG_IO_DIR

#define SIF_PI4IOE5V6408_REG_IO_DIR   0x03 /* i/o direction */

SIF_PI4IOE5V6408_REG_IRQ_MASK

#define SIF_PI4IOE5V6408_REG_IRQ_MASK   0x11 /* interrupt mask */

SIF_PI4IOE5V6408_REG_IRQ_STATUS

#define SIF_PI4IOE5V6408_REG_IRQ_STATUS   0x13 /* interrupt status */

SIF_PI4IOE5V6408_REG_OUT_HIGHZ

#define SIF_PI4IOE5V6408_REG_OUT_HIGHZ   0x07 /* output high impedance */

SIF_PI4IOE5V6408_REG_OUT_STATE

#define SIF_PI4IOE5V6408_REG_OUT_STATE   0x05 /* output state */

SIF_PI4IOE5V6408_REG_PUP_DOWNB

#define SIF_PI4IOE5V6408_REG_PUP_DOWNB   0x0D /* pullup / pulldown select */

SIF_PI4IOE5V6408_REG_PUP_ENABLE

#define SIF_PI4IOE5V6408_REG_PUP_ENABLE   0x0B /* pullup / pulldown enable */

SIF_PI4IOE5V6408_STATE_HI

#define SIF_PI4IOE5V6408_STATE_HI   1 /* high */

SIF_PI4IOE5V6408_STATE_LO

#define SIF_PI4IOE5V6408_STATE_LO   0 /* low */

SIF_PI4IOE5V6408_T_RESET

#define SIF_PI4IOE5V6408_T_RESET   1 /* startup time after power-up */

Enumeration Type Documentation

pi4ioe5v6408_status

enum pi4ioe5v6408_status

Enumerator
SIF_PI4IOE5V6408_ST_OK
SIF_PI4IOE5V6408_ST_FAIL
SIF_PI4IOE5V6408_ST_UNAVAILABLE

Function Documentation

SIF_PI4IOE5V6408_ConfigureInput()

uint8_t SIF_PI4IOE5V6408_ConfigureInput	(	uint8_t	io,
		uint8_t	irq_on,
		uint8_t	pullup_on
	)

configure input

Parameters

io	- port bit number (0-7)
irq_on	- irq enabled when (1)
pullup_on	- pull-up enabled when (1)

Returns

pi4ioe5v6408_status

SIF_PI4IOE5V6408_ConfigureOutput()

uint8_t SIF_PI4IOE5V6408_ConfigureOutput

(

uint8_t

io

)

configure output

Parameters

io	- port bit number (0-7)

Returns

pi4ioe5v6408_status

SIF_PI4IOE5V6408_Initialise()

uint8_t SIF_PI4IOE5V6408_Initialise

(

void

)

Device initialisation.

Returns

pi4ioe5v6408_status

SIF_PI4IOE5V6408_IsInterruptActive()

bool SIF_PI4IOE5V6408_IsInterruptActive

(

void

)

Device initialisation.

Returns

true if active, false if not

SIF_PI4IOE5V6408_ReadDeviceId()

uint8_t SIF_PI4IOE5V6408_ReadDeviceId	(	uint8_t *	chip_id,
		uint8_t *	rev_id
	)

Read chip id and revision id.

Parameters

chip_id	- device id code
rev_id	- firmware revision

Returns

pi4ioe5v6408_status

SIF_PI4IOE5V6408_SenseAllInputs()

uint8_t SIF_PI4IOE5V6408_SenseAllInputs

(

uint8_t *

port

)

sense all inputs (0-7) for port

Parameters

port	- returned i/o states

Returns

pi4ioe5v6408_status

SIF_PI4IOE5V6408_SenseInput()

uint8_t SIF_PI4IOE5V6408_SenseInput	(	uint8_t	io,
		uint8_t *	val
	)

sense specific input

Parameters

io	- port bit number (0-7)
val	- returned i/o state

Returns

pi4ioe5v6408_status

SIF_PI4IOE5V6408_SenseOutput()

uint8_t SIF_PI4IOE5V6408_SenseOutput	(	uint8_t	io,
		uint8_t *	val
	)

sense specific output

Parameters

io	- port bit number (0-7)
val	- returned i/o state

Returns

pi4ioe5v6408_status

SIF_PI4IOE5V6408_SetOutput()

uint8_t SIF_PI4IOE5V6408_SetOutput	(	uint8_t	io,
		uint8_t	val
	)

set specific output

Parameters

io	- port bit number (0-7)
val	- i/o state

Returns

pi4ioe5v6408_status