stm32f401re_gpio.c File Reference

GPIO driver implementation for STM32F401RE. More...

#include "stm32f401re_gpio.h"
#include "common.h"
#include "stm32f401re.h"
#include "stm32f401re_rcc.h"
#include "arm_cortex_m4_nvic.h"

Include dependency graph for stm32f401re_gpio.c:

Go to the source code of this file.

Functions
static void	gpio_set_pclk (GPIO_REGDEF_ts const *gpio_port, EN_STATUS_te en_status)
	Enables or disables the peripheral clock for a GPIO port.
static PORT_CODES_ts	get_syscfg_code (GPIO_REGDEF_ts const *gpio_port)
	Returns the SYSCFG port code for a GPIO port instance.
static uint8_t	get_exti_position (GPIO_CFG_ts const *gpio_cfg)
	Returns the IRQ number for the EXTI line corresponding to a GPIO pin.
void	gpio_init (GPIO_CFG_ts *gpio_cfg)
	Initializes a GPIO pin according to the given configuration.
void	gpio_deinit (GPIO_REGDEF_ts const *gpio_port)
	Deinitializes a GPIO port by resetting its registers to reset values.
void	gpio_write (GPIO_REGDEF_ts *gpio_port, uint8_t gpio_pin, PIN_STATUS_te pin_status)
	Drives a GPIO output pin high or low.
PIN_STATUS_te	gpio_read (GPIO_REGDEF_ts const *gpio_port, uint8_t gpio_pin)
	Reads the current logic level of a GPIO input pin.
void	gpio_clear_interrupt (EXTI_LINES_te exti_line)
	Clears the EXTI pending flag for the given interrupt line.
void	gpio_get_name (GPIO_REGDEF_ts const *gpio_port, char *name)
	Returns the name string of a GPIO port.

Detailed Description

GPIO driver implementation for STM32F401RE.

Author

github.com/Baksi675

Version

0.1

Date

2025-08-04

Copyright

Copyright (c) 2025

Definition in file stm32f401re_gpio.c.