adc.h

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/* SPDX-License-Identifier: MIT */
/*
 * Author: Andreas Werner <kernel@andy89.org>
 * Date: 2016
 */
#ifndef ADC_H_
#define ADC_H_
#include <stdint.h>
#include <stdbool.h>
#include <system.h>
#include <FreeRTOS.h>
#include <semphr.h>
#include <hal.h>
struct adc;
#ifdef CONFIG_ADC_MULTI
 
struct adc_ops {
        struct adc *(*adc_init)(uint32_t index, uint8_t bits, uint32_t hz);
        int32_t (*adc_deinit)(struct adc *adc);
        int32_t (*adc_get)(struct adc *adc, TickType_t waittime);
        int32_t (*adc_getISR)(struct adc *adc);
        int32_t (*adc_setCallback)(struct adc *adc, bool (*callback)(struct adc *adc, uint32_t channel, int32_t value, void *data), void *data);
        int32_t (*adc_start)(struct adc *adc);
        int32_t (*adc_stop)(struct adc *adc);
};
#endif
 
struct adc_generic {
        bool init;
#ifdef CONFIG_INSTANCE_NAME
 
        const char *name;
#endif
#ifdef CONFIG_ADC_THREAD_SAVE
 
        OS_DEFINE_MUTEX_RECURSIVE(lock);
#endif
#ifdef CONFIG_ADC_MULTI
 
        const struct adc_ops *ops;
#endif
};
#ifndef CONFIG_ADC_MULTI
 
struct adc *adc_init(uint32_t index, uint8_t bits, uint32_t hz);
int32_t adc_deinit(struct adc *adc);
int32_t adc_get(struct adc *adc, TickType_t waittime);
int32_t adc_getISR(struct adc *adc);
int32_t adc_setCallback(struct adc *adc, bool (*callback)(struct adc *adc, uint32_t channel, int32_t value, void *data), void *data);
int32_t adc_start(struct adc *adc);
int32_t adc_stop(struct adc *adc);
#else
inline struct adc *adc_init(uint32_t index, uint8_t bits, uint32_t hz) {
        HAL_DEFINE_GLOBAL_ARRAY(adc);
        struct adc_generic *a = (struct adc_generic *) HAL_GET_DEV(adc, index);
        if (a == NULL) {
                return NULL;
        }
        return a->ops->adc_init(index, bits, hz);
}
inline int32_t adc_deinit(struct adc *adc) {
        struct adc_generic *a = (struct adc_generic *) adc;
        return a->ops->adc_deinit(adc);
}
inline int32_t adc_get(struct adc *adc, TickType_t waittime) {
        struct adc_generic *a = (struct adc_generic *) adc;
        return a->ops->adc_get(adc, waittime);
}
inline int32_t adc_getISR(struct adc *adc) {
        struct adc_generic *a = (struct adc_generic *) adc;
        return a->ops->adc_getISR(adc);
}
inline int32_t adc_setCallback(struct adc *adc, bool (*callback)(struct adc *adc, uint32_t channel, int32_t value, void *data), void *data) {
        struct adc_generic *a = (struct adc_generic *) adc;
        return a->ops->adc_setCallback(adc, callback, data);
}
inline int32_t adc_start(struct adc *adc) {
        struct adc_generic *a = (struct adc_generic *) adc;
        return a->ops->adc_start(adc);
}
inline int32_t adc_stop(struct adc *adc) {
        struct adc_generic *a = (struct adc_generic *) adc;
        return a->ops->adc_stop(adc);
}
#endif
 
#endif