You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
893 B
37 lines
893 B
/*
|
|
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#ifndef __GPIO_H__
|
|
#define __GPIO_H__
|
|
|
|
#define GPIO_DIR_OUT 0
|
|
#define GPIO_DIR_IN 1
|
|
|
|
#define GPIO_LEVEL_LOW 0
|
|
#define GPIO_LEVEL_HIGH 1
|
|
|
|
#define GPIO_PULL_NONE 0
|
|
#define GPIO_PULL_UP 1
|
|
#define GPIO_PULL_DOWN 2
|
|
|
|
typedef struct gpio_ops {
|
|
int (*get_direction)(int gpio);
|
|
void (*set_direction)(int gpio, int direction);
|
|
int (*get_value)(int gpio);
|
|
void (*set_value)(int gpio, int value);
|
|
void (*set_pull)(int gpio, int pull);
|
|
int (*get_pull)(int gpio);
|
|
} gpio_ops_t;
|
|
|
|
int gpio_get_direction(int gpio);
|
|
void gpio_set_direction(int gpio, int direction);
|
|
int gpio_get_value(int gpio);
|
|
void gpio_set_value(int gpio, int value);
|
|
void gpio_set_pull(int gpio, int pull);
|
|
int gpio_get_pull(int gpio);
|
|
void gpio_init(const gpio_ops_t *ops);
|
|
|
|
#endif /* __GPIO_H__ */
|
|
|