accel.h

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/* SPDX-License-Identifier: MIT */
/*
 * Author: Andreas Werner <kernel@andy89.org>
 * Date: 2016
 */
#ifndef ACCEL_H_
#define ACCEL_H_
#include <stdint.h>
#include <stdbool.h>
#include <system.h>
#include <FreeRTOS.h>
#include <semphr.h>
#include <hal.h>
#include <vec.h>
struct accel;
#ifdef CONFIG_ACCEL_MULTI
 
struct accel_ops {
        struct accel *(*accel_init)(uint32_t index);
        int32_t (*accel_deinit)(struct accel *accel);
 
        int32_t (*accel_get)(struct accel *accel, struct vector *vector, TickType_t waittime);
        int32_t (*accel_getISR)(struct accel *accel, struct vector *vector);
};
#endif
 
struct accel_generic {
        bool init;
#ifdef CONFIG_INSTANCE_NAME
 
        const char *name;
#endif
#ifdef CONFIG_ACCEL_THREAD_SAVE
 
        OS_DEFINE_MUTEX_RECURSIVE(lock);
#endif
#ifdef CONFIG_ACCEL_MULTI
 
        const struct accel_ops *ops;
#endif
};
 
#ifndef CONFIG_ACCEL_MULTI
 
struct accel *accel_init(uint32_t index);
int32_t accel_deinit(struct accel *accel);
int32_t accel_get(struct accel *accel, struct vector *vector, TickType_t waittime);
int32_t accel_getISR(struct accel *accel, struct vector *vector);
#else
inline struct accel *accel_init(uint32_t index) {
        HAL_DEFINE_GLOBAL_ARRAY(accel);
        struct accel_generic *a = (struct accel_generic *) HAL_GET_DEV(accel, index);
        if (a == NULL) {
                return NULL;
        }
        return a->ops->accel_init(index);
}
inline int32_t accel_deinit(struct accel *accel) {
        struct accel_generic *a = (struct accel_generic *) accel;
        return a->ops->accel_deinit(accel);
}
 
inline int32_t accel_get(struct accel *accel, struct vector *vector, TickType_t waittime) {
        struct accel_generic *a = (struct accel_generic *) accel;
        return a->ops->accel_get(accel, vector, waittime);
}
inline int32_t accel_getISR(struct accel *accel, struct vector *vector) {
        struct accel_generic *a = (struct accel_generic *) accel;
        return a->ops->accel_getISR(accel, vector);
}
#endif
 
#endif