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135 lines
4.0 KiB
135 lines
4.0 KiB
4 years ago
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/**
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* \file
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*
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* \brief DAC functionality declaration.
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*
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* Copyright (C) 2014-2015 Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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* \page License
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. This software may only be redistributed and used in connection with an
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* Atmel microcontroller product.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* \asf_license_stop
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*
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*/
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#ifndef HAL_SYNC_DAC_H_INCLUDED
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#define HAL_SYNC_DAC_H_INCLUDED
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#include <hpl_dac_sync.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \addtogroup doc_driver_hal_dac_sync
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*
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*@{
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*/
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/**
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* \brief DAC synchronous descriptor.
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*
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* The DAC descriptor forward declaration.
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*/
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struct dac_sync_descriptor;
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/**
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* \brief DAC synchronous channel descriptor.
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*
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*/
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struct dac_sync_channel {
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/** Pointer to buffer what to be converted */
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uint16_t *buffer;
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/** The length of buffer */
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uint32_t length;
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};
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/**
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* \brief DAC synchronous descriptor
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*/
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struct dac_sync_descriptor {
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/** DAC device */
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struct _dac_sync_device device;
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/** DAC selected channel */
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struct dac_sync_channel sel_ch[CHANNEL_NUM];
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};
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/** \brief Initialize the DAC HAL instance and hardware.
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* \param[out] descr A DAC descriptor to initialize
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* \param[in] hw The pointer to hardware instance
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* \return Operation status.
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*/
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int32_t dac_sync_init(struct dac_sync_descriptor *const descr, void *const hw);
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/** \brief Deinitialize the DAC HAL instance and hardware.
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* \param[in] descr Pointer to the HAL DAC descriptor
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* \return Operation status.
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*/
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int32_t dac_sync_deinit(struct dac_sync_descriptor *const descr);
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/** \brief Enable DAC channel.
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* \param[in] descr Pointer to the HAL DAC descriptor
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* \param[in] ch Channel number
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* \return Operation status.
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*/
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int32_t dac_sync_enable_channel(struct dac_sync_descriptor *const descr, const uint8_t ch);
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/** \brief Disable DAC channel.
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* \param[in] descr Pointer to the HAL DAC descriptor
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* \param[in] ch Channel number
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* \return Operation status.
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*/
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int32_t dac_sync_disable_channel(struct dac_sync_descriptor *const descr, const uint8_t ch);
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/** \brief DAC converts digital data to analog output.
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* \param[in] descr Pointer to the HAL DAC descriptor
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* \param[in] ch the Channel selected to output
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* \param[in] buffer Pointer to digital data or buffer
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* \param[in] length The number of elements in the buffer
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* \return Operation status.
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*/
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int32_t dac_sync_write(struct dac_sync_descriptor *const descr, const uint8_t ch, uint16_t *buffer, uint32_t length);
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/** \brief Get DAC driver version
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*
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* \return Current driver version.
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*/
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uint32_t dac_sync_get_version(void);
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/**@}*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAL_DAC_H_INCLUDED */
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