semf::Stm32Gpio Class Reference

Gpio implementation for STM32. More...

#include <stm32gpio.h>

Inheritance diagram for semf::Stm32Gpio:

Collaboration diagram for semf::Stm32Gpio:

Public Member Functions
	Stm32Gpio (GPIO_TypeDef *port, uint16_t pin)
	Constructor. More...
	Stm32Gpio (const Stm32Gpio &other)=delete
virtual	~Stm32Gpio ()=default
void	set () override
void	reset () override
bool	state () const override
	Returns the current state of the pin. More...
Direction	direction () const override
	Returns the direction setting of a GPIO. More...
void	setDirection (Direction direction) override
	Sets the direction of a GPIO. More...
PullUpPullDown	pullUpPullDown () const override
	Returns the pullup or pulldown setting of a GPIO. More...
void	setPullUpPullDown (PullUpPullDown pullUpPullDown) override
	Sets the pullup or pulldown setting of a GPIO. More...
Public Member Functions inherited from semf::Gpio
virtual	~Gpio ()=default
virtual void	set ()=0
virtual void	reset ()=0
virtual bool	state () const =0
	Returns the current state of the pin. More...
virtual Direction	direction () const =0
	Returns the direction setting of a GPIO. More...
virtual void	setDirection (Direction direction)=0
	Sets the direction of a GPIO. More...
virtual PullUpPullDown	pullUpPullDown () const =0
	Returns the pullup or pulldown setting of a GPIO. More...
virtual void	setPullUpPullDown (PullUpPullDown pullUpPullDown)=0
	Sets the pullup or pulldown setting of a GPIO. More...

Protected Member Functions
GPIO_TypeDef *	port () const
	Returns the GPIO handler. More...
GPIO_TypeDef *	port ()
	Returns the GPIO handler. More...
uint16_t	pin () const
	Returns pin number. More...
uint16_t	pinNumberToIOPosition (uint16_t pin) const
	Returns the io position based on the pin number. More...

Additional Inherited Members
Public Types inherited from semf::Gpio
enum	Direction { Input = 0 , OutputPushpull , OutputOpendrain }
enum	PullUpPullDown { NoPullupPulldown = 0 , Pullup , Pulldown }
Public Attributes inherited from semf::Gpio
Signal< Error >	error

Detailed Description

Gpio implementation for STM32.

Definition at line 22 of file stm32gpio.h.

Constructor & Destructor Documentation

Stm32Gpio() [1/2]

semf::Stm32Gpio::Stm32Gpio	(	GPIO_TypeDef *	port,
		uint16_t	pin
	)

Constructor.

Parameters

port	Port of GPIO.
pin	Pin of GPIO.

Definition at line 16 of file stm32gpio.cpp.

Stm32Gpio() [2/2]

semf::Stm32Gpio::Stm32Gpio ( const Stm32Gpio &  other )

explicitdelete

~Stm32Gpio()

virtual semf::Stm32Gpio::~Stm32Gpio ( )

virtualdefault

Member Function Documentation

direction()

Gpio::Direction semf::Stm32Gpio::direction ( ) const

overridevirtual

Returns the direction setting of a GPIO.

Returns

INPUT or OUTPUT.

Implements semf::Gpio.

Definition at line 50 of file stm32gpio.cpp.

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pin()

uint16_t semf::Stm32Gpio::pin ( ) const

protected

Returns pin number.

Returns

Pin number.

Definition at line 148 of file stm32gpio.cpp.

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pinNumberToIOPosition()

uint16_t semf::Stm32Gpio::pinNumberToIOPosition ( uint16_t  pin ) const

protected

Returns the io position based on the pin number.

Parameters

pin	Number of pin, given by STM HAL.

Returns

Bit position to set IO registers.

Definition at line 153 of file stm32gpio.cpp.

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port() [1/2]

GPIO_TypeDef * semf::Stm32Gpio::port ( )

protected

Returns the GPIO handler.

Returns

Pointer to the GPIO handler.

Definition at line 143 of file stm32gpio.cpp.

port() [2/2]

GPIO_TypeDef * semf::Stm32Gpio::port ( ) const

protected

Returns the GPIO handler.

Returns

Pointer to the GPIO handler.

Definition at line 138 of file stm32gpio.cpp.

pullUpPullDown()

Gpio::PullUpPullDown semf::Stm32Gpio::pullUpPullDown ( ) const

overridevirtual

Returns the pullup or pulldown setting of a GPIO.

Returns

NoPullupPulldown, Pullup or Pulldown.

Implements semf::Gpio.

Definition at line 93 of file stm32gpio.cpp.

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reset()

void semf::Stm32Gpio::reset ( )

overridevirtual

Sets the output to a low level.

Implements semf::Gpio.

Definition at line 28 of file stm32gpio.cpp.

set()

void semf::Stm32Gpio::set ( )

overridevirtual

Sets the output to a high level.

Implements semf::Gpio.

Definition at line 22 of file stm32gpio.cpp.

setDirection()

void semf::Stm32Gpio::setDirection ( Direction  direction )

overridevirtual

Sets the direction of a GPIO.

Parameters

direction

direction to set.

Implements semf::Gpio.

Definition at line 63 of file stm32gpio.cpp.

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setPullUpPullDown()

void semf::Stm32Gpio::setPullUpPullDown ( PullUpPullDown  pullUpPullDown )

overridevirtual

Sets the pullup or pulldown setting of a GPIO.

Parameters

pullUpPullDown

pullup/pulldown for setting up.

Implements semf::Gpio.

Definition at line 113 of file stm32gpio.cpp.

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state()

bool semf::Stm32Gpio::state ( ) const

overridevirtual

Returns the current state of the pin.

Returns

true for high level, false for low level.

Implements semf::Gpio.

Definition at line 34 of file stm32gpio.cpp.

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