HallSwitch::GPIO Class Reference

#include <hall-pal-gpio.hpp>

Inheritance diagram for HallSwitch::GPIO:

Public Types
Interrupt event
enum	IntEvent_t { INT_FALLING_EDGE = 0, INT_RISING_EDGE = 1 }
Voltage level
enum	VLevel_t { GPIO_LOW = 0, GPIO_HIGH = 1 }
Voltage logic
enum	VLogic_t { NEGATIVE = 1, POSITIVE = 2 }

Public Member Functions
virtual HallSwitch::Error_t	init ()=0
	Initializes the GPIO. More...
virtual HallSwitch::Error_t	deinit ()=0
	Deinitializes the GPIO. More...
virtual HallSwitch::Error_t	enableInt (HallSwitch *ptr)=0
	Enables the hardware interrupt. More...
virtual HallSwitch::Error_t	disableInt ()=0
	Disables the hardware interrupt. More...
virtual IntEvent_t	intEvent ()=0
	Gets the latest interrupt event. More...
virtual VLevel_t	read ()=0
	Reads the GPIO voltage level. More...
virtual HallSwitch::Error_t	write (VLevel_t level)=0
	Writes the GPIO output voltage level. More...
virtual HallSwitch::Error_t	enable ()=0
	Enables the GPIO output according to the GPIO logic. More...
virtual HallSwitch::Error_t	disable ()=0
	Disables the GPIO output according to the GPIO logic. More...

Member Enumeration Documentation

enum HallSwitch::GPIO::IntEvent_t

Enumerator
INT_FALLING_EDGE	Interrupt on falling edge
INT_RISING_EDGE	Interrupt on rising edge

enum HallSwitch::GPIO::VLevel_t

Enumerator
GPIO_LOW	Level low
GPIO_HIGH	Level high

enum HallSwitch::GPIO::VLogic_t

Enumerator
NEGATIVE	Negative logic. 0 on voltage level high, 1 on voltage low
POSITIVE	Positive logic. 1 on voltage level high, 0 on voltage low

Member Function Documentation

virtual HallSwitch::Error_t HallSwitch::GPIO::init ( )

pure virtual

Initializes the GPIO.

Returns

GPIO error code

Return values

OK	if success
INTF_ERROR	if initialization error

Implemented in GPIOWiced, GPIOIno, and GPIORpi.

virtual HallSwitch::Error_t HallSwitch::GPIO::deinit ( )

pure virtual

Deinitializes the GPIO.

Returns

GPIO error code

Return values

OK	if success
INTF_ERROR	if deinitialization error

Implemented in GPIOWiced, GPIOIno, and GPIORpi.

virtual HallSwitch::Error_t HallSwitch::GPIO::enableInt ( HallSwitch *  ptr )

pure virtual

Enables the hardware interrupt.

Parameters

[in]

*ptr

HallSwith object pointer which holds the interrupt

Returns

GPIO error code

Return values

OK	if success
INTF_ERROR	if initialization error

Implemented in GPIOWiced, GPIOIno, and GPIORpi.

virtual HallSwitch::Error_t HallSwitch::GPIO::disableInt ( )

pure virtual

Disables the hardware interrupt.

Returns

GPIO error code

Return values

OK	if success
INTF_ERROR	if disable error

Implemented in GPIOWiced, GPIOIno, and GPIORpi.

virtual IntEvent_t HallSwitch::GPIO::intEvent ( )

pure virtual

Gets the latest interrupt event.

Returns

GPIO interrupt event

Return values

INT_FALLING_EDGE	if falling edge event
INT_RISING_EDGE	if rising edge event

Implemented in GPIOWiced, GPIOIno, and GPIORpi.

virtual VLevel_t HallSwitch::GPIO::read ( )

pure virtual

Reads the GPIO voltage level.

Returns

GPIO voltage level

Return values

GPIO_LOW	if voltage low
GPIO_HIGH	if voltage high

Implemented in GPIOWiced, GPIOIno, and GPIORpi.

virtual HallSwitch::Error_t HallSwitch::GPIO::write ( VLevel_t  level )

pure virtual

Writes the GPIO output voltage level.

Parameters

[in]

level

Voltage level

Returns

GPIO error code

Return values

OK	if success
INTF_ERROR	if write error

Implemented in GPIOWiced, GPIOIno, and GPIORpi.

virtual HallSwitch::Error_t HallSwitch::GPIO::enable ( )

pure virtual

Enables the GPIO output according to the GPIO logic.

• Low if negative
• High if positive

  Returns

  GPIO interrupt event

  Return values

  OK	if success
  INTF_ERROR	if write error

Implemented in GPIOWiced, GPIOIno, and GPIORpi.

virtual HallSwitch::Error_t HallSwitch::GPIO::disable ( )

pure virtual

Disables the GPIO output according to the GPIO logic.

• Low if positive
• High if negative

  Returns

  GPIO error code

  Return values

  OK	if success
  INTF_ERROR	if write error

Implemented in GPIOWiced, GPIOIno, and GPIORpi.

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

• hall-pal-gpio.hpp