Gpio

GPIO Peripheral Driver. More...

Files
file	gpio.c
	GPIO Driver - gnulinux platform.
file	gpio.c
	GPIO Driver - uos3-proto board.

Functions
void	GPIO_set (uint8_t gpio_number)
void	GPIO_reset (uint8_t gpio_number)
void	GPIO_write (uint8_t gpio_number, bool state)
bool	GPIO_read (uint8_t gpio_number)

Detailed Description

GPIO Peripheral Driver.

Hardware GPIO Peripheral Driver.

GPIO pins for each board are defined in ${board}/board.h

Function Documentation

void GPIO_set

(

uint8_t

gpio_number

)

Sets the state (High) on the specified GPIO pin

Parameters

gpio_number

ID of the GPIO pin

Definition at line 13 of file gpio.c.

void GPIO_reset

(

uint8_t

gpio_number

)

Resets the state (Low) on the specified GPIO pin

Parameters

gpio_number

ID of the GPIO pin

Definition at line 18 of file gpio.c.

void GPIO_write	(	uint8_t	gpio_number,
		bool	state
	)

Writes a given state on the specified GPIO pin

Parameters

gpio_number	ID of the GPIO pin
state	state to be written (true = High, false = Low)

Definition at line 23 of file gpio.c.

bool GPIO_read

(

uint8_t

gpio_number

)

Reads the input value on the specified GPIO pin

Parameters

gpio_number

ID of the GPIO pin

Returns

input value of the specified GPIO pin (true = High, false = Low)

Definition at line 29 of file gpio.c.