/***************************************************************************//** * @file Communication.c * @brief Implementation of Communication Driver. * @author DBogdan (dragos.bogdan@analog.com) ******************************************************************************** * Copyright 2012(c) Analog Devices, Inc. * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * - Neither the name of Analog Devices, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * - The use of this software may or may not infringe the patent rights * of one or more patent holders. This license does not release you * from the requirement that you obtain separate licenses from these * patent holders to use this software. * - Use of the software either in source or binary form, must be run * on or directly connected to an Analog Devices Inc. component. * * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ******************************************************************************** * SVN Revision: 500 *******************************************************************************/ /******************************************************************************/ /* Include Files */ /******************************************************************************/ #include "Communication.h" /***************************************************************************//** * @brief Initializes the SPI communication peripheral. * * @param lsbFirst - Transfer format (0 or 1). * Example: 0x0 - MSB first. * 0x1 - LSB first. * @param clockFreq - SPI clock frequency (Hz). * Example: 1000 - SPI clock frequency is 1 kHz. * @param clockPol - SPI clock polarity (0 or 1). * Example: 0x0 - idle state for SPI clock is low. * 0x1 - idle state for SPI clock is high. * @param clockPha - SPI clock phase (0 or 1). * Example: 0x0 - data is latched on the leading edge of SPI * clock and data changes on trailing edge. * 0x1 - data is latched on the trailing edge of SPI * clock and data changes on the leading edge. * * @return 0 - Initialization failed, 1 - Initialization succeeded. *******************************************************************************/ unsigned char SPI_Init(unsigned char lsbFirst, unsigned long clockFreq, unsigned char clockPol, unsigned char clockPha) { // Add your code here. return(1); } /***************************************************************************//** * @brief Writes data to SPI. * * @param data - Write data buffer: * - first byte is the chip select number; * - from the second byte onwards are located data bytes to write. * @param bytesNumber - Number of bytes to write. * * @return Number of written bytes. *******************************************************************************/ unsigned char SPI_Write(unsigned char* data, unsigned char bytesNumber) { // Add your code here. return(bytesNumber); } /***************************************************************************//** * @brief Reads data from SPI. * * @param data - As an input parameter, data represents the write buffer: * - first byte is the chip select number; * - from the second byte onwards are located data bytes to write. * As an output parameter, data represents the read buffer: * - from the first byte onwards are located the read data bytes. * @param bytesNumber - Number of bytes to write. * * @return Number of written bytes. *******************************************************************************/ unsigned char SPI_Read(unsigned char* data, unsigned char bytesNumber) { // Add your code here. return(bytesNumber); }