GPIO HAL driver

Files
file	efr32-radio-buffer.h
	GPIO HAL header file for the gecko.
file	gpio-hal-arch.c
	GPIO HAL implementation for the Gecko.
file	gpio-hal-arch.h
	GPIO HAL header file for the gecko.

Functions
void	gpio_hal_arch_init (void)
	Perform architecture specific gpio initaliaztion.
void	gpio_hal_arch_port_pin_cfg_set (gpio_hal_port_t port, gpio_hal_pin_t pin, gpio_hal_pin_cfg_t cfg)
	Configure a gpio pin.
gpio_hal_pin_cfg_t	gpio_hal_arch_port_pin_cfg_get (gpio_hal_port_t port, gpio_hal_pin_t pin)
	Read the configuration of a GPIO pin.
void	gpio_hal_arch_port_interrupt_enable (gpio_hal_port_t port, gpio_hal_pin_t pin)
	Enable interrupts for a gpio pin.
void	gpio_hal_arch_port_interrupt_disable (gpio_hal_port_t port, gpio_hal_pin_t pin)
	Disable interrupts for a gpio pin.
void	gpio_hal_arch_port_set_pins (gpio_hal_port_t port, gpio_hal_pin_mask_t pins)
	Set multiple pins to logical high.

Detailed Description

Function Documentation

gpio_hal_arch_init()

void gpio_hal_arch_init

(

void

)

Perform architecture specific gpio initaliaztion.

It is the platform developer's responsibility to provide an implementation.

The implementation can be provided as a global symbol, an inline function or a function-like macro, as described above.

Definition at line 99 of file gpio-hal-arch.c.

gpio_hal_arch_port_interrupt_disable()

void gpio_hal_arch_port_interrupt_disable	(	gpio_hal_port_t	port,
		gpio_hal_pin_t	pin )

Disable interrupts for a gpio pin.

Parameters

port	The GPIO port
pin	The GPIO pin number (0...GPIO_HAL_PIN_COUNT - 1)

It is the platform developer's responsibility to provide an implementation.

The implementation can be provided as a global symbol, an inline function or a function-like macro, as described above.

Note

Code should not call this function directly. Use GPIO manipulation macros instead.

Definition at line 153 of file gpio-hal-arch.c.

gpio_hal_arch_port_interrupt_enable()

void gpio_hal_arch_port_interrupt_enable	(	gpio_hal_port_t	port,
		gpio_hal_pin_t	pin )

Enable interrupts for a gpio pin.

Parameters

port	The GPIO port
pin	The GPIO pin number

It is the platform developer's responsibility to provide an implementation.

The implementation can be provided as a global symbol, an inline function or a function-like macro, as described above.

Note

Code should not call this function directly. Use GPIO manipulation macros instead.

Definition at line 142 of file gpio-hal-arch.c.

gpio_hal_arch_port_pin_cfg_get()

gpio_hal_pin_cfg_t gpio_hal_arch_port_pin_cfg_get	(	gpio_hal_port_t	port,
		gpio_hal_pin_t	pin )

Read the configuration of a GPIO pin.

Parameters

port	The GPIO port
pin	The GPIO pin number (0...GPIO_HAL_PIN_COUNT - 1)

Returns

An OR mask of GPIO_HAL_PIN_CFG_xyz

It is the platform developer's responsibility to provide an implementation.

The implementation can be provided as a global symbol, an inline function or a function-like macro, as described above.

Note

Code should not call this function directly. Use GPIO manipulation macros instead.

Definition at line 129 of file gpio-hal-arch.c.

gpio_hal_arch_port_pin_cfg_set()

void gpio_hal_arch_port_pin_cfg_set	(	gpio_hal_port_t	port,
		gpio_hal_pin_t	pin,
		gpio_hal_pin_cfg_t	cfg )

Configure a gpio pin.

Parameters

port	The GPIO port
pin	The GPIO pin number (0...GPIO_HAL_PIN_COUNT - 1)
cfg	The configuration

cfg is an OR mask of GPIO_HAL_PIN_CFG_xyz

The implementation of this function also has to make sure that pin is configured as software-controlled GPIO.

It is the platform developer's responsibility to provide an implementation.

The implementation can be provided as a global symbol, an inline function or a function-like macro, as described above.

Note

Code should not call this function directly. Use GPIO manipulation macros instead.

Definition at line 107 of file gpio-hal-arch.c.

gpio_hal_arch_port_set_pins()

void gpio_hal_arch_port_set_pins	(	gpio_hal_port_t	port,
		gpio_hal_pin_mask_t	pins )

Set multiple pins to logical high.

Parameters

port	The GPIO port
pins	An ORd pin mask of the pins to set

A pin will be set to logical high if its position in pins is set. For example you can set pins 0 and 3 by passing 0x09.

It is the platform developer's responsibility to provide an implementation.

The implementation can be provided as a global symbol, an inline function or a function-like macro, as described above.

Note

Code should not call this function directly. Use GPIO manipulation macros instead.

Definition at line 164 of file gpio-hal-arch.c.