nes-proj/platform/z1/dev/i2cmaster.h

66 lines
2.3 KiB
C

/*
* Copyright (c) 2010, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, 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.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \file
* I2C communication device driver header file for Zolertia Z1 sensor node.
* \author
* Enric Calvo, Zolertia <ecalvo@zolertia.com>
* Marcus Lundén, SICS <mlunden@sics.se>
*/
#ifndef I2CMASTER_H_
#define I2CMASTER_H_
#include "contiki.h"
void i2c_enable(void);
void i2c_disable(void);
void i2c_receiveinit(uint8_t slave_address);
uint8_t i2c_receive_n(uint8_t byte_ctr, uint8_t *rx_buf);
void i2c_transmitinit(uint8_t slave_address);
void i2c_transmit_n(uint8_t byte_ctr, uint8_t *tx_buf);
uint8_t i2c_busy(void);
void i2c_setrate(uint8_t p_lsb, uint8_t p_msb);
#if 0
#include <stdio.h>
#define PRINTFDEBUG(...) printf(__VA_ARGS__)
#else
#define PRINTFDEBUG(...)
#endif
#endif /* #ifdef I2CMASTER_H_ */