109 lines
3.7 KiB
C
109 lines
3.7 KiB
C
/*
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* Copyright (c) 2014, Analog Devices, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \author Dragos Bogdan <Dragos.Bogdan@Analog.com>
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*/
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#ifndef __COMMUNICATION_H__
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#define __COMMUNICATION_H__
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/******************************************************************************/
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/*************************** Macros Definitions *******************************/
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/******************************************************************************/
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#define SPI_MISO PMOD1_MISO
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#define GPIO1_PIN_OUT PMOD1_GPIO1_PIN_OUT
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#define GPIO1_LOW PMOD1_GPIO1_LOW
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#define GPIO1_HIGH PMOD1_GPIO1_HIGH
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#define GPIO2_PIN_OUT PMOD1_GPIO2_PIN_OUT
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#define GPIO2_LOW PMOD1_GPIO2_LOW
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#define GPIO2_HIGH PMOD1_GPIO2_HIGH
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#define GPIO3_PIN_OUT PMOD1_GPIO3_PIN_OUT
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#define GPIO3_LOW PMOD1_GPIO3_LOW
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#define GPIO3_HIGH PMOD1_GPIO3_HIGH
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#define GPIO4_PIN_OUT PMOD1_GPIO4_PIN_OUT
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#define GPIO4_LOW PMOD1_GPIO4_LOW
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#define GPIO4_HIGH PMOD1_GPIO4_HIGH
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/******************************************************************************/
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/************************ Functions Declarations ******************************/
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/******************************************************************************/
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enum CSI_Bus {
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CSI00,
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CSI01,
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CSI10,
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CSI11,
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CSI20,
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CSI21,
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CSI30,
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CSI31,
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};
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/*! Initializes the SPI communication peripheral. */
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char SPI_Init(enum CSI_Bus bus,
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char lsbFirst,
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long clockFreq,
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char clockPol,
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char clockEdg);
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/*! Writes data to SPI. */
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char SPI_Write(enum CSI_Bus bus,
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char slaveDeviceId,
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unsigned char *data,
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char bytesNumber);
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/*! Reads data from SPI. */
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char SPI_Read(enum CSI_Bus bus,
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char slaveDeviceId,
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unsigned char *data,
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char bytesNumber);
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/*! Initializes the I2C communication peripheral. */
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char I2C_Init(long clockFreq);
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/*! Writes data to a slave device. */
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char I2C_Write(char slaveAddress,
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unsigned char *dataBuffer,
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char bytesNumber,
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char stopBit);
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/*! Reads data from a slave device. */
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char I2C_Read(char slaveAddress,
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unsigned char *dataBuffer,
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char bytesNumber,
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char stopBit);
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#endif /* __COMMUNICATION_H__ */
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