gpio_keys.h

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/*
 * Copyright (c) 2022 Google LLC
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DRIVERS_GPIO_KEYS_H_
#define ZEPHYR_INCLUDE_DRIVERS_GPIO_KEYS_H_
 
#include <stdint.h>
#include <zephyr/drivers/gpio.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct gpio_keys_callback {
        struct gpio_callback gpio_cb;
        uint32_t zephyr_code;
        int8_t   pin_state;
};
 
typedef void (*gpio_keys_callback_handler_t)(const struct device *port,
                                             struct gpio_keys_callback *cb, gpio_port_pins_t pins);
__subsystem struct gpio_keys_api {
        int (*enable_interrupt)(const struct device *dev, gpio_keys_callback_handler_t cb);
        int (*disable_interrupt)(const struct device *dev);
        int (*get_pin)(const struct device *dev, uint32_t idx);
};
 
__syscall int gpio_keys_enable_interrupt(const struct device *dev, gpio_keys_callback_handler_t cb);
 
static inline int z_impl_gpio_keys_enable_interrupt(const struct device *dev,
                                                    gpio_keys_callback_handler_t cb)
{
        struct gpio_keys_api *api;
 
        api = (struct gpio_keys_api *)dev->api;
        return api->enable_interrupt(dev, cb);
}
 
__syscall int gpio_keys_disable_interrupt(const struct device *dev);
 
static inline int z_impl_gpio_keys_disable_interrupt(const struct device *dev)
{
        struct gpio_keys_api *api;
 
        api = (struct gpio_keys_api *)dev->api;
        return api->disable_interrupt(dev);
}
 
__syscall int gpio_keys_get_pin(const struct device *dev, uint32_t idx);
 
static inline int z_impl_gpio_keys_get_pin(const struct device *dev, uint32_t idx)
{
        struct gpio_keys_api *api;
 
        api = (struct gpio_keys_api *)dev->api;
        return api->get_pin(dev, idx);
}
 
#ifdef __cplusplus
}
#endif
 
#include <syscalls/gpio_keys.h>
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_GPIO_KEYS_H_ */