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https://gitlab.com/fabinfra/fabhardware/FabReader2.git
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105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
/**
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******************************************************************************
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* COPYRIGHT(c) 2016 STMicroelectronics
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/*! \file
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*
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* \author
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*
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* \brief SPI communication header file
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*
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __spi_H
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#define __spi_H
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/* Includes ------------------------------------------------------------------*/
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#include "platform.h"
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/*!
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*****************************************************************************
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* \brief Initalize SPI
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*
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* This function initalize the SPI handle.
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*
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* \param[in] hspi : pointer to initalized SPI block
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*
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*****************************************************************************
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*/
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void spiInit(SPI_HandleTypeDef *hspi);
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/*!
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*****************************************************************************
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* \brief Set SPI CS line
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*
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* \param[in] ssPort : pointer CS gpio port
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*
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* \param[in] ssPin : CS pin
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*
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* \return : none
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*
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*****************************************************************************
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*/
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void spiSelect(GPIO_TypeDef *ssPort, uint16_t ssPin);
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/*!
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*****************************************************************************
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* \brief Reset SPI CS line
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*
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* \param[in] ssPort : pointer CS gpio port
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*
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* \param[in] ssPin : CS pin
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*
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* \return : none
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*
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*****************************************************************************
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*/
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void spiDeselect(GPIO_TypeDef *ssPort, uint16_t ssPin);
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/*!
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*****************************************************************************
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* \brief Transmit Receive data
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*
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* This funtion transmits first no of "length" bytes from "txData" and tries
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* then to receive "length" bytes.
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*
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* \param[in] txData : pointer to buffer to be transmitted.
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*
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* \param[out] rxData : pointer to buffer to be received.
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*
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* \param[in] length : buffer length
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*
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* \return : HAL error code
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*
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*****************************************************************************
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*/
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HAL_StatusTypeDef spiTxRx(const uint8_t *txData, uint8_t *rxData, uint16_t length);
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#endif /*__spi_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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