dac.h

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/* SPDX-License-Identifier: MIT */
/*
 * Author: David Brandt <david@wakka.de>
 * Date: 2021
 */
#ifndef DAC_H_
#define DAC_H_
#include <stdint.h>
#include <stdbool.h>
#include <system.h>
#include <FreeRTOS.h>
#include <semphr.h>
#include <hal.h>
struct dac;
#ifdef CONFIG_DAC_MULTI
 
struct dac_ops {
        struct dac *(*dac_init)(uint32_t index, uint8_t bits);
        int32_t (*dac_deinit)(struct dac *dac);
        int32_t (*dac_set)(struct dac *dac, uint32_t data, TickType_t waittime);
        int32_t (*dac_setISR)(struct dac *dac, uint32_t data);
};
#endif
 
struct dac_generic {
        bool init;
#ifdef CONFIG_INSTANCE_NAME
 
        const char *name;
#endif
#ifdef CONFIG_DAC_THREAD_SAVE
 
        OS_DEFINE_MUTEX_RECURSIVE(lock);
#endif
#ifdef CONFIG_DAC_MULTI
 
        const struct dac_ops *ops;
#endif
};
#ifndef CONFIG_DAC_MULTI
 
struct dac *dac_init(uint32_t index, uint8_t bits);
int32_t dac_deinit(struct dac *dac);
int32_t dac_set(struct dac *dac, uint32_t data, TickType_t waittime);
int32_t dac_setISR(struct dac *dac, uint32_t data);
#else
inline struct dac *dac_init(uint32_t index, uint8_t bits) {
        HAL_DEFINE_GLOBAL_ARRAY(dac);
        struct dac_generic *a = (struct dac_generic *) HAL_GET_DEV(dac, index);
        if (a == NULL) {
                return NULL;
        }
        return a->ops->dac_init(index, bits);
}
inline int32_t dac_deinit(struct dac *dac) {
        struct dac_generic *a = (struct dac_generic *) dac;
        return a->ops->dac_deinit(dac);
}
inline int32_t dac_set(struct dac *dac, uint32_t data, TickType_t waittime) {
        struct dac_generic *a = (struct dac_generic *) dac;
        return a->ops->dac_set(dac, data, waittime);
}
inline int32_t dac_setISR(struct dac *dac, uint32_t data) {
        struct dac_generic *a = (struct dac_generic *) dac;
        return a->ops->dac_setISR(dac, data);
}
#endif
 
#endif