sysmoOCTSIM/hal/include/hpl_spi_m_dma.h

/**
 * \file
 *
 * \brief SPI Master DMA related functionality declaration.
 *
 * Copyright (c) 2016-2018 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_SPI_M_DMA_H_INCLUDED
#define _HPL_SPI_M_DMA_H_INCLUDED

#include <hpl_spi.h>
#include <hpl_spi_dma.h>

/**
 * \addtogroup hpl_spi HPL SPI
 *
 *
 *@{
 */

#ifdef __cplusplus
extern "C" {
#endif

/** Uses common SPI dma device driver. */
#define _spi_m_dma_dev _spi_dma_dev

#define _spi_m_dma_dev_cb_type _spi_dma_dev_cb_type

/**
 *  \brief Initialize SPI for access with interrupts
 *  It will load default hardware configuration and software struct.
 *  \param[in, out] dev Pointer to the SPI device instance.
 *  \param[in] hw Pointer to the hardware base.
 *  \return Operation status.
 *  \retval ERR_INVALID_ARG Input parameter problem.
 *  \retval ERR_BUSY SPI hardware not ready (resetting).
 *  \retval ERR_DENIED SPI has been enabled.
 *  \retval 0 ERR_NONE is operation done successfully.
 */
int32_t _spi_m_dma_init(struct _spi_m_dma_dev *dev, void *const hw);

/**
 *  \brief Initialize SPI for access with interrupts
 *  Disable, reset the hardware and the software struct.
 *  \param[in, out] dev Pointer to the SPI device instance.
 *  \return Operation status.
 *  \retval 0 ERR_NONE is operation done successfully.
 */
int32_t _spi_m_dma_deinit(struct _spi_m_dma_dev *dev);

/**
 *  \brief Enable SPI for access with interrupts
 *  Enable the SPI and enable callback generation of receive and error
 *  interrupts.
 *  \param[in] dev Pointer to the SPI device instance.
 *  \return Operation status.
 *  \retval ERR_INVALID_ARG Input parameter problem.
 *  \retval ERR_BUSY SPI hardware not ready (resetting).
 *  \retval 0 ERR_NONE is operation done successfully.
 */
int32_t _spi_m_dma_enable(struct _spi_m_dma_dev *dev);

/**
 *  \brief Disable SPI for access without interrupts
 *  Disable SPI and interrupts. Deactivate all CS pins if works as master.
 *  \param[in] dev Pointer to the SPI device instance.
 *  \return Operation status.
 *  \retval 0 ERR_NONE is operation done successfully.
 */
int32_t _spi_m_dma_disable(struct _spi_m_dma_dev *dev);

/**
 *  \brief Set SPI transfer mode
 *  Set SPI transfer mode (\ref spi_transfer_mode),
 *  which controls clock polarity and clock phase.
 *  Mode 0: leading edge is rising edge, data sample on leading edge.
 *  Mode 1: leading edge is rising edge, data sample on trailing edge.
 *  Mode 2: leading edge is falling edge, data sample on leading edge.
 *  Mode 3: leading edge is falling edge, data sample on trailing edge.
 *  \param[in] dev Pointer to the SPI device instance.
 *  \param[in] mode The SPI transfer mode.
 *  \return Operation status.
 *  \retval ERR_BUSY SPI is not ready to accept new setting.
 *  \retval 0 ERR_NONE is operation done successfully.
 */
int32_t _spi_m_dma_set_mode(struct _spi_m_dma_dev *dev, const enum spi_transfer_mode mode);

/**
 *  \brief Set SPI baudrate
 *  \param[in] dev Pointer to the SPI device instance.
 *  \param[in] baud_val The SPI baudrate value, see \ref _spi_calc_baud_val() on
 *                  how it's generated.
 *  \return Operation status.
 *  \retval ERR_BUSY SPI is not ready to accept new setting.
 *  \retval 0 Operation done successfully.
 */
int32_t _spi_m_dma_set_baudrate(struct _spi_m_dma_dev *dev, const uint32_t baud_val);

/**
 *  \brief Set SPI baudrate
 *  \param[in, out] dev Pointer to the SPI device instance.
 *  \param[in] char_size The character size, see \ref spi_char_size.
 *  \return Operation status.
 *  \retval ERR_INVALID_ARG The character size is not supported.
 *  \retval ERR_BUSY SPI is not ready to accept new setting.
 *  \retval 0 Operation done successfully.
 */
int32_t _spi_m_dma_set_char_size(struct _spi_m_dma_dev *dev, const enum spi_char_size char_size);

/**
 *  \brief Set SPI data order
 *  \param[in] dev Pointer to the SPI device instance.
 *  \param[in] dord SPI data order (LSB/MSB first).
 *  \return Operation status.
 *  \retval ERR_INVALID_ARG The character size is not supported.
 *  \retval ERR_BUSY SPI is not ready to accept new setting.
 *  \retval 0 Operation done successfully.
 */
int32_t _spi_m_dma_set_data_order(struct _spi_m_dma_dev *dev, const enum spi_data_order dord);

/**
 *  \brief Register the SPI device callback
 *  \param[in] dev Pointer to the SPI device instance.
 *  \param[in] cb_type The callback type.
 *  \param[in] func The callback function to register. NULL to disable callback.
 *  \return Always 0.
 */
void _spi_m_dma_register_callback(struct _spi_m_dma_dev *dev, enum _spi_dma_dev_cb_type, _spi_dma_cb_t func);

/** \brief Do SPI data transfer (TX & RX) with DMA
 *  Log the TX & RX buffers and transfer them in background. It never blocks.
 *
 *  \param[in] dev Pointer to the SPI device instance.
 *  \param[in] txbuf Pointer to the transfer information (\ref spi_transfer).
 *  \param[out] rxbuf Pointer to the receiver information (\ref spi_receive).
 *  \param[in] length spi transfer data length.
 *
 *  \return Operation status.
 *  \retval ERR_NONE Success.
 *  \retval ERR_BUSY Busy.
 */
int32_t _spi_m_dma_transfer(struct _spi_m_dma_dev *dev, uint8_t const *txbuf, uint8_t *const rxbuf,
                            const uint16_t length);

#ifdef __cplusplus
}
#endif

/**@}*/
#endif /* ifndef _HPL_SPI_M_DMA_H_INCLUDED */