/**
 * @file dacs.c
 * @brief This file contains the implementation of the DAC module.
 *        It provides functions to initialize and de-initialize a DAC instance,
 *        as well as write a 16-bit value to the specified DAC channel.
 * @author xxx
 * @date 2023-12-27 14:44:03
 * @copyright Copyright (c) 2024 by xxx, All Rights Reserved.
 */
#include "dacs.h"

/**
 * @brief Writes a 16-bit value to the specified DAC channel
 *
 * @param dac pointer to the DAC instance
 * @param value 16-bit value to write to the DAC
 */
static void _out(dac_t *dac, uint16_t value)
{
    DBG_ASSERT(dac != NULL __DBG_LINE);
    DAC_OUT(dac->dac, dac->dac_channel, value);
}

/**
 * @brief Initializes a DAC instance
 *
 * @param dac pointer to the DAC instance
 * @param dac_channel DAC channel to use
 * @return pointer to the initialized DAC instance
 */
dac_t *dac_create(DAC_TypeDef *dac, uint16_t dac_channel)
{
    DBG_ASSERT(dac != NULL __DBG_LINE);
    dac_t *handle = (dac_t *)osel_mem_alloc(sizeof(dac_t));
    DBG_ASSERT(handle != NULL __DBG_LINE);
    handle->dac = dac;
    handle->dac_channel = dac_channel;

    handle->out = _out;
    return handle;
}

/**
 * @brief De-initializes a DAC instance
 *
 * @param dac pointer to the DAC instance
 */
void dac_free(dac_t *dac)
{
    DBG_ASSERT(dac != NULL __DBG_LINE);
    osel_mem_free(dac);
}