Communication.h

00001 /***************************************************************************//**
00002  *   @file   Communication.h
00003  *   @brief  Header file of Communication Driver.
00004  *   @author DBogdan (dragos.bogdan@analog.com)
00005 ********************************************************************************
00006  * Copyright 2012-2015(c) Analog Devices, Inc.
00007  *
00008  * All rights reserved.
00009  *
00010  * Redistribution and use in source and binary forms, with or without
00011  * modification, are permitted provided that the following conditions are met:
00012  *  - Redistributions of source code must retain the above copyright
00013  *    notice, this list of conditions and the following disclaimer.
00014  *  - Redistributions in binary form must reproduce the above copyright
00015  *    notice, this list of conditions and the following disclaimer in
00016  *    the documentation and/or other materials provided with the
00017  *    distribution.
00018  *  - Neither the name of Analog Devices, Inc. nor the names of its
00019  *    contributors may be used to endorse or promote products derived
00020  *    from this software without specific prior written permission.
00021  *  - The use of this software may or may not infringe the patent rights
00022  *    of one or more patent holders.  This license does not release you
00023  *    from the requirement that you obtain separate licenses from these
00024  *    patent holders to use this software.
00025  *  - Use of the software either in source or binary form, must be run
00026  *    on or directly connected to an Analog Devices Inc. component.
00027  *
00028  * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
00029  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
00030  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00031  * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
00032  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00033  * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
00034  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00035  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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00037  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00038  *
00039 *******************************************************************************/
00040 #ifndef _COMMUNICATION_H_
00041 #define _COMMUNICATION_H_
00042 
00043 /******************************************************************************/
00044 /* Include Files                                                              */
00045 /******************************************************************************/
00046 #include "mbed.h"
00047 /******************************************************************************/
00048 /* Functions Prototypes                                                       */
00049 /******************************************************************************/
00050 
00051 #define AD7190_READ_BUFFER_SIZE 16
00052 
00053 extern SPI spi; // mosi, miso, sclk
00054 extern DigitalOut cs;
00055 extern Serial pc;
00056 
00057 /*! Initializes the SPI communication peripheral. */
00058 unsigned char SPI_Init(unsigned char lsbFirst,
00059                        unsigned long clockFreq,
00060                        unsigned char clockPol,
00061                        unsigned char clockEdg);
00062 
00063 /*! Initializes the SPI communication peripheral. */
00064 unsigned char SPI_Init(unsigned char lsbFirst,
00065                        unsigned long clockFreq,
00066                        unsigned char clockPol,
00067                        unsigned char clockEdg);
00068 
00069 /*! Reads data from SPI. */
00070 unsigned char SPI_Read(unsigned char* data,
00071                        unsigned char bytesNumber);
00072 
00073 /*! Writes data to SPI. */
00074 unsigned char SPI_Write(unsigned char* data,
00075                         unsigned char bytesNumber);
00076 
00077 #endif /* _COMMUNICATION_H_ */