/****************************************************************************** * * Copyright 2018 NXP * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ /** * \addtogroup eSe_PAL_Spi * \brief PAL SPI port implementation for linux * @{ */ #ifndef _PHNXPESE_PAL_SPI_H #define _PHNXPESE_PAL_SPI_H /* Basic type definitions */ #include <phNxpEsePal.h> /*! * \brief Start of frame marker */ #define SEND_PACKET_SOF 0x5A /*! * \brief ESE Poll timeout (max 2 seconds) */ #define ESE_POLL_TIMEOUT (2 * 1000) /*! * \brief ESE Poll timeout (max 2 seconds) */ #define ESE_NAD_POLLING_MAX (2 * 1000) /*! * \brief ESE wakeup delay in case of write error retry */ #define WRITE_WAKE_UP_DELAY 1000 /*! * \brief ESE SOF polling delay */ #define READ_WAKE_UP_DELAY 100 /*! * \brief ESE wakeup delay in case of write error retry */ #define NAD_POLLING_SCALER 10 /* Function declarations */ /** * \ingroup eSe_PAL_Spi * \brief This function is used to close the ESE device * * \retval None * */ void phPalEse_spi_close(void* pDevHandle); /** * \ingroup eSe_PAL_Spi * \brief Open and configure ESE device * * \param[in] pphPalEse_Config_t: Config to open the device * * \retval ESESTATUS On Success ESESTATUS_SUCCESS else proper error code * */ ESESTATUS phPalEse_spi_open_and_configure(pphPalEse_Config_t pConfig); /** * \ingroup eSe_PAL_Spi * \brief Reads requested number of bytes from ESE into given buffer * * \param[in] pDevHandle - valid device handle **\param[in] pBuffer - buffer for read data **\param[in] nNbBytesToRead - number of bytes requested to be read * * \retval numRead - number of successfully read bytes. * \retval -1 - read operation failure * */ int phPalEse_spi_read(void* pDevHandle, uint8_t* pBuffer, int nNbBytesToRead); /** * \ingroup eSe_PAL_Spi * \brief Writes requested number of bytes from given buffer into pn547 device * * \param[in] pDevHandle - valid device handle * \param[in] pBuffer - buffer to write * \param[in] nNbBytesToWrite - number of bytes to write * * \retval numWrote - number of successfully written bytes * \retval -1 - write operation failure * */ int phPalEse_spi_write(void* pDevHandle, uint8_t* pBuffer, int nNbBytesToWrite); /** * \ingroup eSe_PAL_Spi * \brief Exposed ioctl by ESE driver * * \param[in] eControlCode - phPalEse_ControlCode_t for the respective *configs * \param[in] pDevHandle - valid device handle * \param[in] pBuffer - buffer for read data * \param[in] level - reset level * * \retval 0 - ioctl operation success * \retval -1 - ioctl operation failure * */ ESESTATUS phPalEse_spi_ioctl(phPalEse_ControlCode_t eControlCode, void* pDevHandle, long level); /** * \ingroup eSe_PAL_Spi * \brief Print packet data * * \param[in] pString - String to be printed * \param[in] p_data - data to be printed * \param[in] len - Length of data to be printed * * \retval void * */ void phPalEse_spi_print_packet(const char* pString, const uint8_t* p_data, uint16_t len); /** * \ingroup eSe_PAL_Spi * \brief This function suspends execution of the calling thread for * (at least) usec microseconds * * \param[in] usec - number of micro seconds to sleep * * \retval void * */ void phPalEse_spi_sleep(uint32_t usec); /** @} */ #endif /* _PHNXPESE_PAL_SPI_H */