66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/*
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* Copyright (c) 2010, Swedish Institute of Computer Science.
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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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* 3. Neither the name of the Institute 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 INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* 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
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE 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
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* OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* I2C communication device driver header file for Zolertia Z1 sensor node.
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* \author
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* Enric Calvo, Zolertia <ecalvo@zolertia.com>
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* Marcus Lundén, SICS <mlunden@sics.se>
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*/
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#ifndef I2CMASTER_H_
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#define I2CMASTER_H_
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#include "contiki.h"
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void i2c_enable(void);
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void i2c_disable(void);
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void i2c_receiveinit(uint8_t slave_address);
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uint8_t i2c_receive_n(uint8_t byte_ctr, uint8_t *rx_buf);
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void i2c_transmitinit(uint8_t slave_address);
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void i2c_transmit_n(uint8_t byte_ctr, uint8_t *tx_buf);
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uint8_t i2c_busy(void);
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void i2c_setrate(uint8_t p_lsb, uint8_t p_msb);
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#if 0
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#include <stdio.h>
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#define PRINTFDEBUG(...) printf(__VA_ARGS__)
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#else
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#define PRINTFDEBUG(...)
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#endif
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#endif /* #ifdef I2CMASTER_H_ */
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