/*
 * Copyright (C) 2015-2020 Alibaba Group Holding Limited
 */

#include "aos/hal/dac.h"

/**
 * Initialises an dac interface
 *
 * @param[in]  dac  the interface which should be initialised
 *
 * @return  0 : on success, EIO : if an error occurred with any step
 */
int32_t hal_dac_init(dac_dev_t *dac)
{
	return 0;
}

/**
 * Start output dac
 *
 * @param[in]   dac      the interface which should be started
 * @param[out]  channel  the channel to output dac
 *
 * @return  0 : on success, EIO : if an error occurred with any step
 */
int32_t hal_dac_start(dac_dev_t *dac, uint32_t channel)
{
	return 0;
}

/**
 * Stop output dac
 *
 * @param[in]   dac      the interface which should be stopped
 * @param[out]  channel  the channel to output dac
 *
 * @return  0 : on success, EIO : if an error occurred with any step
 */
int32_t hal_dac_stop(dac_dev_t *dac, uint32_t channel)
{
	return 0;
}

/**
 * Output a value to an dac interface
 *
 * @param[in]   dac      the interface to set value
 * @param[out]  channel  the channel to output dac
 * @param[in]   data     the value to output
 *
 * @return  0 : on success, EIO : if an error occurred with any step
 */
int32_t hal_dac_set_value(dac_dev_t *dac, uint32_t channel, uint32_t data)
{
	return 0;
}

/**
 * Returns the last data output value of the selected dac channel
 *
 * @param[in]   dac      the interface to get value
 * @param[out]  channel  channel  the channel to output dac
 *
 * @return  dac output value
 */
int32_t hal_dac_get_value(dac_dev_t *dac, uint32_t channel)
{
	return 0;
}

/**
 * De-initialises an dac interface, Turns off an dac hardware interface
 *
 * @param[in]  dac  the interface which should be de-initialised
 *
 * @return  0 : on success, EIO : if an error occurred with any step
 */
int32_t hal_dac_finalize(dac_dev_t *dac)
{
	return 0;
}