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89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/**
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* \file
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*
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* \brief Common SPI DMA related functionality declaration.
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*
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* Copyright (c) 2016-2018 Microchip Technology Inc. and its subsidiaries.
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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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* Subject to your compliance with these terms, you may use Microchip
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* software and any derivatives exclusively with Microchip products.
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* It is your responsibility to comply with third party license terms applicable
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* to your use of third party software (including open source software) that
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* may accompany Microchip software.
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*
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* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
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* WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
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* INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
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* AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
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* LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
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* LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
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* SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
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* POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
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* ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
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* RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
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* THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
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*
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* \asf_license_stop
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*
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*/
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#ifndef _HPL_SPI_DMA_H_INCLUDED
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#define _HPL_SPI_DMA_H_INCLUDED
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#include <hpl_irq.h>
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#include <hpl_dma.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** The callback types */
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enum _spi_dma_dev_cb_type {
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/** Callback type for DMA transmit. */
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SPI_DEV_CB_DMA_TX,
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/** Callback type for DMA receive. */
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SPI_DEV_CB_DMA_RX,
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/** Callback type for DMA error. */
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SPI_DEV_CB_DMA_ERROR,
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/** Number of callbacks. */
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SPI_DEV_CB_DMA_N
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};
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struct _spi_dma_dev;
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/**
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* \brief The prototype for callback on SPI DMA.
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*/
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typedef void (*_spi_dma_cb_t)(struct _dma_resource *resource);
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/**
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* \brief The callbacks offered by SPI driver
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*/
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struct _spi_dma_dev_callbacks {
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_spi_dma_cb_t tx;
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_spi_dma_cb_t rx;
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_spi_dma_cb_t error;
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};
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/** SPI driver to support DMA HAL */
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struct _spi_dma_dev {
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/** Pointer to the hardware base or private data for special device. */
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void *prvt;
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/** Pointer to callback functions */
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struct _spi_dma_dev_callbacks callbacks;
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/** IRQ instance for SPI device. */
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struct _irq_descriptor irq;
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/** DMA resource */
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struct _dma_resource *resource;
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* ifndef _HPL_SPI_DMA_H_INCLUDED */
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