example.h

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/* SPDX-License-Identifier: MIT */
/*
 * Author: Andreas Werner <kernel@andy89.org>
 * Date: 2016
 */
#ifndef EXAMPLE_H_
#define EXAMPLE_H_
#include <FreeRTOS.h>
#include <stdint.h>
#include <stdbool.h>
#include <system.h>
#include <semphr.h>
#include <hal.h>
struct example;
#ifdef CONFIG_EXAMPLE_MULTI
 
struct example_ops {
        struct example *(*example_init)(uint32_t index);
        int32_t (*example_deinit)(struct example *example);
        int32_t (*example_funcname)(struct example *example, uint32_t params);
};
#endif
 
struct example_generic {
        bool init;
#ifdef CONFIG_INSTANCE_NAME
 
        const char *name;
#endif
#ifdef CONFIG_EXAMPLE_THREAD_SAVE
 
        OS_DEFINE_MUTEX_RECURSIVE(lock);
#endif
#ifdef CONFIG_EXAMPLE_MULTI
 
        const struct example_ops *ops;
#endif
};
#ifndef CONFIG_EXAMPLE_MULTI
 
struct example *example_init(uint32_t index);
int32_t example_deinit(struct example *example);
int32_t example_funcname(struct example *example, uint32_t params);
#else
 
inline struct example *example_init(uint32_t index) {
        /*
         * Define Global Array in local space
         * Userspace din't need it
         */
        HAL_DEFINE_GLOBAL_ARRAY(example);
        /*
         * Get Dev from array if NULL dev not exists 
         */
        struct example_generic *p = (struct example_generic *) HAL_GET_DEV(example, index);
        if (p == NULL) {
                return NULL;
        }
        return p->ops->example_init(index);
}
inline int32_t example_deinit(struct example *example) {
        struct example_generic *p = (struct example_generic *) example;
        return p->ops->example_deinit(example);
}
inline int32_t example_funcname(struct example *example, uint32_t params) {
        struct example_generic *p = (struct example_generic *) example;
        return p->ops->example_funcname(example, params);
}
#endif
 
#endif