libpynq (release 5EWC0-2023 version 0.2.3 of 2023-10-06 18:15)
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gpio.h
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1/*
2Copyright (c) 2023 Eindhoven University of Technology
3
4Permission is hereby granted, free of charge, to any person obtaining a copy
5of this software and associated documentation files (the "Software"), to deal
6in the Software without restriction, including without limitation the rights
7to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8copies of the Software, and to permit persons to whom the Software is
9furnished to do so, subject to the following conditions:
10
11The above copyright notice and this permission notice shall be included in all
12copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20SOFTWARE.
21*/
22#ifndef GPIO_H
23#define GPIO_H
24#include <pinmap.h>
25#include <stdbool.h>
26#include <stdint.h>
27
88typedef enum {
94
98typedef enum {
104
108extern void gpio_init(void);
113extern void gpio_destroy(void);
114
121extern void gpio_reset_pin(const io_t pin);
122
130extern void gpio_set_direction(const io_t pin,
131 const gpio_direction_t direction);
132
140
148extern void gpio_set_level(const io_t pin, const gpio_level_t level);
149
156extern gpio_level_t gpio_get_level(const io_t pin);
157
161extern void gpio_reset(void);
162
168extern bool gpio_is_initialized(void);
172#endif // GPIO_H
gpio_direction_t gpio_get_direction(const io_t pin)
Returns the direction the set pin is initialized in.
Definition gpio.c:95
bool gpio_is_initialized(void)
Definition gpio.c:35
void gpio_set_direction(const io_t pin, const gpio_direction_t direction)
Set the IO pin as in input or output.
Definition gpio.c:81
void gpio_reset(void)
Reset all IO pins.
Definition gpio.c:62
void gpio_set_level(const io_t pin, const gpio_level_t level)
Set the level of the output IO pin. If the pin is configured as input, this function does nothing.
Definition gpio.c:104
gpio_direction_t
Definition gpio.h:88
gpio_level_t
Definition gpio.h:98
gpio_level_t gpio_get_level(const io_t pin)
Return the level of the IO pin.
Definition gpio.c:118
void gpio_destroy(void)
Definition gpio.c:47
void gpio_reset_pin(const io_t pin)
Function is currently a no-op placeholder for arduino compatibility.
Definition gpio.c:55
void gpio_init(void)
Definition gpio.c:40
@ GPIO_DIR_OUTPUT
Definition gpio.h:92
@ GPIO_DIR_INPUT
Definition gpio.h:90
@ GPIO_LEVEL_LOW
Definition gpio.h:100
@ GPIO_LEVEL_HIGH
Definition gpio.h:102
io_t
Definition pinmap.h:45