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-/**
- * \file
- *
- * \brief DMA related functionality declaration.
- *
- * Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries.
- *
- * \asf_license_start
- *
- * \page License
- *
- * Subject to your compliance with these terms, you may use Microchip
- * software and any derivatives exclusively with Microchip products.
- * It is your responsibility to comply with third party license terms applicable
- * to your use of third party software (including open source software) that
- * may accompany Microchip software.
- *
- * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
- * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
- * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
- * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
- * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
- * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
- * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
- * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
- * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
- * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
- * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
- *
- * \asf_license_stop
- *
- */
-
-#ifndef _HPL_DMA_H_INCLUDED
-#define _HPL_DMA_H_INCLUDED
-
-/**
- * \addtogroup HPL DMA
- *
- * \section hpl_dma_rev Revision History
- * - v1.0.0 Initial Release
- *
- *@{
- */
-
-#include <compiler.h>
-#include <hpl_irq.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct _dma_resource;
-
-/**
- * \brief DMA callback types
- */
-enum _dma_callback_type { DMA_TRANSFER_COMPLETE_CB, DMA_TRANSFER_ERROR_CB };
-
-/**
- * \brief DMA interrupt callbacks
- */
-struct _dma_callbacks {
- void (*transfer_done)(struct _dma_resource *resource);
- void (*error)(struct _dma_resource *resource);
-};
-
-/**
- * \brief DMA resource structure
- */
-struct _dma_resource {
- struct _dma_callbacks dma_cb;
- void * back;
-};
-
-/**
- * \brief Initialize DMA
- *
- * This function does low level DMA configuration.
- *
- * \return initialize status
- */
-int32_t _dma_init(void);
-
-/**
- * \brief Set destination address
- *
- * \param[in] channel DMA channel to set destination address for
- * \param[in] dst Destination address
- *
- * \return setting status
- */
-int32_t _dma_set_destination_address(const uint8_t channel, const void *const dst);
-
-/**
- * \brief Set source address
- *
- * \param[in] channel DMA channel to set source address for
- * \param[in] src Source address
- *
- * \return setting status
- */
-int32_t _dma_set_source_address(const uint8_t channel, const void *const src);
-
-/**
- * \brief Set next descriptor address
- *
- * \param[in] current_channel Current DMA channel to set next descriptor address
- * \param[in] next_channel Next DMA channel used as next descriptor
- *
- * \return setting status
- */
-int32_t _dma_set_next_descriptor(const uint8_t current_channel, const uint8_t next_channel);
-
-/**
- * \brief Enable/disable source address incrementation during DMA transaction
- *
- * \param[in] channel DMA channel to set source address for
- * \param[in] enable True to enable, false to disable
- *
- * \return status of operation
- */
-int32_t _dma_srcinc_enable(const uint8_t channel, const bool enable);
-
-/**
- * \brief Enable/disable Destination address incrementation during DMA transaction
- *
- * \param[in] channel DMA channel to set destination address for
- * \param[in] enable True to enable, false to disable
- *
- * \return status of operation
- */
-int32_t _dma_dstinc_enable(const uint8_t channel, const bool enable);
-/**
- * \brief Set the amount of data to be transfered per transaction
- *
- * \param[in] channel DMA channel to set data amount for
- * \param[in] amount Data amount
- *
- * \return status of operation
- */
-int32_t _dma_set_data_amount(const uint8_t channel, const uint32_t amount);
-
-/**
- * \brief Trigger DMA transaction on the given channel
- *
- * \param[in] channel DMA channel to trigger transaction on
- *
- * \return status of operation
- */
-int32_t _dma_enable_transaction(const uint8_t channel, const bool software_trigger);
-
-/**
- * \brief Retrieves DMA resource structure
- *
- * \param[out] resource The resource to be retrieved
- * \param[in] channel DMA channel to retrieve structure for
- *
- * \return status of operation
- */
-int32_t _dma_get_channel_resource(struct _dma_resource **resource, const uint8_t channel);
-
-/**
- * \brief Enable/disable DMA interrupt
- *
- * \param[in] channel DMA channel to enable/disable interrupt for
- * \param[in] type The type of interrupt to disable/enable if applicable
- * \param[in] state Enable or disable
- */
-void _dma_set_irq_state(const uint8_t channel, const enum _dma_callback_type type, const bool state);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HPL_DMA_H_INCLUDED */