sif_pi4ioe5v6408.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include "cascoda-bm/cascoda_interface.h"
#include "cascoda-bm/cascoda_sensorif.h"
#include "cascoda-bm/cascoda_types.h"
#include "cascoda-bm/cascoda_wait.h"
#include "cascoda-util/cascoda_time.h"
#include "ca821x_api.h"
#include "sif_pi4ioe5v6408.h"

Include dependency graph for sif_pi4ioe5v6408.c:

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...

Variables
uint8_t	SIF_PI4IOE5V6408_HasInterrupt = 0

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

Variable Documentation

SIF_PI4IOE5V6408_HasInterrupt

uint8_t SIF_PI4IOE5V6408_HasInterrupt = 0