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C

3 years ago
/**
* \file
*
* \brief SPI 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_SPI_S_SYNC_H_INCLUDED
#define _HPL_SPI_S_SYNC_H_INCLUDED
#include <hpl_spi_sync.h>
/**
* \addtogroup hpl_spi HPL SPI
*
*@{
*/
#ifdef __cplusplus
extern "C" {
#endif
/** Uses common SPI sync device driver. */
#define _spi_s_sync_dev _spi_sync_dev
/**
* \name HPL functions
*/
//@{
/**
* \brief Initialize SPI for access without 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 Operation done successfully.
*/
int32_t _spi_s_sync_init(struct _spi_s_sync_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 Operation done successfully.
*/
int32_t _spi_s_sync_deinit(struct _spi_s_sync_dev *dev);
/**
* \brief Enable SPI for access without interrupts
* \param[in, out] dev Pointer to the SPI device instance.
* \return Operation status.
* \retval ERR_BUSY SPI hardware not ready (resetting).
* \retval 0 Operation done successfully.
*/
int32_t _spi_s_sync_enable(struct _spi_s_sync_dev *dev);
/**
* \brief Disable SPI for access without interrupts
* Disable SPI. Deactivate all CS pins if works as master.
* \param[in, out] dev Pointer to the SPI device instance.
* \return Operation status.
* \retval 0 Operation done successfully.
*/
int32_t _spi_s_sync_disable(struct _spi_s_sync_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, out] 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 Operation done successfully.
*/
int32_t _spi_s_sync_set_mode(struct _spi_s_sync_dev *dev, const enum spi_transfer_mode mode);
/**
* \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_s_sync_set_char_size(struct _spi_s_sync_dev *dev, const enum spi_char_size char_size);
/**
* \brief Set SPI data order
* \param[in, out] 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_s_sync_set_data_order(struct _spi_s_sync_dev *dev, const enum spi_data_order dord);
/**
* \brief Enable interrupt on character output
*
* Enable interrupt when a new character can be written
* to the SPI device.
*
* \param[in] dev Pointer to the SPI device instance
* \param[in] state true = enable output interrupt
* false = disable output interrupt
*
* \return Status code
* \retval 0 Ok status
*/
int32_t _spi_s_sync_enable_tx(struct _spi_s_sync_dev *dev, bool state);
/**
* \brief Enable interrupt on character input
*
* Enable interrupt when a new character is ready to be
* read from the SPI device.
*
* \param[in] dev Pointer to the SPI device instance
* \param[in] state true = enable input interrupts
* false = disable input interrupt
*
* \return Status code
* \retval 0 OK Status
*/
int32_t _spi_s_sync_enable_rx(struct _spi_s_sync_dev *dev, bool state);
/**
* \brief Read one character to SPI device instance
* \param[in, out] dev Pointer to the SPI device instance.
*
* \return Character read from SPI module
*/
uint16_t _spi_s_sync_read_one(struct _spi_s_sync_dev *dev);
/**
* \brief Write one character to assigned buffer
* \param[in, out] dev Pointer to the SPI device instance.
* \param[in] data
*
* \return Status code of write operation
* \retval 0 Write operation OK
*/
int32_t _spi_s_sync_write_one(struct _spi_s_sync_dev *dev, uint16_t data);
/**
* \brief Check if TX ready
*
* \param[in] dev Pointer to the SPI device instance
*
* \return TX ready state
* \retval true TX ready
* \retval false TX not ready
*/
bool _spi_s_sync_is_tx_ready(struct _spi_s_sync_dev *dev);
/**
* \brief Check if RX character ready
*
* \param[in] dev Pointer to the SPI device instance
*
* \return RX character ready state
* \retval true RX character ready
* \retval false RX character not ready
*/
bool _spi_s_sync_is_rx_ready(struct _spi_s_sync_dev *dev);
/**
* \brief Check if SS deactiviation detected
*
* \param[in] dev Pointer to the SPI device instance
*
* \return SS deactiviation state
* \retval true SS deactiviation detected
* \retval false SS deactiviation not detected
*/
bool _spi_s_sync_is_ss_deactivated(struct _spi_s_sync_dev *dev);
/**
* \brief Check if error is detected
*
* \param[in] dev Pointer to the SPI device instance
*
* \return Error detection state
* \retval true Error detected
* \retval false Error not detected
*/
bool _spi_s_sync_is_error(struct _spi_s_sync_dev *dev);
//@}
#ifdef __cplusplus
}
#endif
/**@}*/
#endif /* ifndef _HPL_SPI_S_SYNC_H_INCLUDED */