cscg24-guacamole

CSCG 2024 Challenge 'Guacamole Mashup'
git clone https://git.sinitax.com/sinitax/cscg24-guacamole
Log | Files | Refs | sfeed.txt

lws-gpio.h (2072B)

      1/*
      2 * Generic GPIO ops
      3 *
      4 * Copyright (C) 2019 - 2020 Andy Green <andy@warmcat.com>
      5 *
      6 * Permission is hereby granted, free of charge, to any person obtaining a copy
      7 * of this software and associated documentation files (the "Software"), to
      8 * deal in the Software without restriction, including without limitation the
      9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
     10 * sell copies of the Software, and to permit persons to whom the Software is
     11 * furnished to do so, subject to the following conditions:
     12 *
     13 * The above copyright notice and this permission notice shall be included in
     14 * all copies or substantial portions of the Software.
     15 *
     16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     22 * IN THE SOFTWARE.
     23 *
     24 * This is like an abstract class for gpio, a real implementation provides
     25 * functions for the ops that use the underlying OS gpio arrangements.
     26 */
     27
     28#if !defined(__LWS_GPIO_H__)
     29#define __LWS_GPIO_H__
     30
     31typedef int _lws_plat_gpio_t;
     32
     33typedef enum {
     34	LWSGGPIO_IRQ_NONE,
     35	LWSGGPIO_IRQ_RISING,
     36	LWSGGPIO_IRQ_FALLING,
     37	LWSGGPIO_IRQ_CHANGE,
     38	LWSGGPIO_IRQ_LOW,
     39	LWSGGPIO_IRQ_HIGH
     40} lws_gpio_irq_t;
     41
     42enum {
     43	LWSGGPIO_FL_READ			= (1 << 0),
     44	LWSGGPIO_FL_WRITE			= (1 << 1),
     45	LWSGGPIO_FL_PULLUP			= (1 << 2),
     46	LWSGGPIO_FL_PULLDOWN			= (1 << 3),
     47	LWSGGPIO_FL_START_LOW			= (1 << 4),
     48};
     49
     50typedef void (*lws_gpio_irq_cb_t)(void *arg);
     51
     52typedef struct lws_gpio_ops {
     53	void (*mode)(_lws_plat_gpio_t gpio, int flags);
     54	int (*read)(_lws_plat_gpio_t gpio);
     55	void (*set)(_lws_plat_gpio_t gpio, int val);
     56	int (*irq_mode)(_lws_plat_gpio_t gpio, lws_gpio_irq_t irq,
     57			lws_gpio_irq_cb_t cb, void *arg);
     58} lws_gpio_ops_t;
     59
     60#endif