sif_btn_ext_pi4ioe5v96248.c File Reference

#include "cascoda-bm/cascoda_evbme.h"
#include "cascoda-bm/cascoda_interface.h"
#include "cascoda-util/cascoda_time.h"
#include "cascoda_btn_ext.h"
#include "sif_pi4ioe5v96248.h"

Include dependency graph for sif_btn_ext_pi4ioe5v96248.c:

Functions
ca_error	SIF_InitialiseGPIOExt (void)
	Initialise GPIO extender. More...
ca_error	SIF_RegisterOutputExt (uint8_t ledBtn)
	Set the functionality of an output/LED to be an output. More...
ca_error	SIF_RegisterButtonInputExt (uint8_t ledBtn)
	Set the functionality of a button to be an input. More...
ca_error	SIF_RegisterGeneralInputExt (uint8_t ledBtn, uint8_t pullup_on)
	Set the functionality to be a general input (no interrupt, polling only) More...
ca_error	SIF_DeRegisterExt (uint8_t ledBtn)
	De-Register an LED or Button Pin. More...
ca_error	SIF_SetOutputExt (uint8_t ledBtn, u8_t val)
	Set the state of the output/LED. More...
ca_error	SIF_SenseExt (uint8_t ledBtn, u8_t *val)
	Get the state of the input/Button. More...
ca_error	SIF_SenseOutputExt (uint8_t ledBtn, u8_t *val)
	Get the state of the output/LED. More...
ca_error	SIF_SenseAllExt (u8_t *values)
	Get the state all buttons. More...
ca_error	SIF_PollButtonsExt (void)
	Main polling function to activate callbacks for any buttons that are currently being pressed. More...
bool	SIF_CanSleepExt (void)
	Check if all buttons have been handled. More...

Function Documentation

SIF_CanSleepExt()

bool SIF_CanSleepExt

(

void

)

Check if all buttons have been handled.

Returns

true/false

SIF_DeRegisterExt()

ca_error SIF_DeRegisterExt

(

uint8_t

ledBtn

)

De-Register an LED or Button Pin.

Parameters

ledBtn

- reference to LED/Button

Returns

status

SIF_InitialiseGPIOExt()

ca_error SIF_InitialiseGPIOExt

(

void

)

Initialise GPIO extender.

Returns

status

SIF_PollButtonsExt()

ca_error SIF_PollButtonsExt

(

void

)

Main polling function to activate callbacks for any buttons that are currently being pressed.

Returns

status

SIF_RegisterButtonInputExt()

ca_error SIF_RegisterButtonInputExt

(

uint8_t

ledBtn

)

Set the functionality of a button to be an input.

Parameters

ledBtn

- reference to button

Returns

status

SIF_RegisterGeneralInputExt()

ca_error SIF_RegisterGeneralInputExt	(	uint8_t	ledBtn,
		uint8_t	pullup_on
	)

Set the functionality to be a general input (no interrupt, polling only)

Parameters

ledBtn	- reference number to input
pullup_on	- pull-up enabled when (1)

Returns

status

SIF_RegisterOutputExt()

ca_error SIF_RegisterOutputExt

(

uint8_t

ledBtn

)

Set the functionality of an output/LED to be an output.

Parameters

ledBtn

- reference to output/LED

Returns

status

SIF_SenseAllExt()

ca_error SIF_SenseAllExt

(

u8_t *

values

)

Get the state all buttons.

Parameters

values

- the state of all buttons

Returns

status

SIF_SenseExt()

ca_error SIF_SenseExt	(	uint8_t	ledBtn,
		u8_t *	val
	)

Get the state of the input/Button.

Parameters

ionr	- I/O number
val	- the state of the input/Button

Returns

status

SIF_SenseOutputExt()

ca_error SIF_SenseOutputExt	(	uint8_t	ledBtn,
		u8_t *	val
	)

Get the state of the output/LED.

Parameters

ionr	- I/O number
val	- the state of the output/LED

Returns

status

SIF_SetOutputExt()

ca_error SIF_SetOutputExt	(	uint8_t	ledBtn,
		u8_t	val
	)

Set the state of the output/LED.

Parameters

ledBtn	- reference to output/LED
val	- the state of the output/LED

Returns

status