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Adding the avr-rss2 platform based on AtMega256RFR2

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Robert Olsson 2016-02-22 20:46:07 +01:00
parent d3980668ee
commit ce8e87d60e
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platform/avr-rss2/dev/i2c.h Normal file
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/*
* 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.
*
*/
/**
* \file
* includes for i2c core functions
* \author
* Robert Olsson <robert@radio-sensors.com>
*/
#include "contiki.h"
/* Here we define the i2c address for dev we support */
#define I2C_AT24MAC_ADDR 0xB0 /* EUI64 ADDR */
#define I2C_SHT2X_ADDR (0x40 << 1) /* SHT2X ADDR */
/* Here we define a enumration for devices */
#define I2C_AT24MAC (1<<0)
#define I2C_SHT2X (1<<1)
#define I2C_CO2SA (1<<2) /* Sense-Air CO2 */
#define I2C_READ 1
#define I2C_WRITE 0
void i2c_init(uint32_t speed);
uint8_t i2c_start(uint8_t addr);
void i2c_start_wait(uint8_t addr);
void i2c_stop(void);
void i2c_write(uint8_t u8data);
uint8_t i2c_readAck(void);
uint8_t i2c_readNak(void);
uint8_t i2c_getstatus(void);
uint16_t i2c_probe(void);
void i2c_read_mem(uint8_t addr, uint8_t reg, uint8_t buf[], uint8_t bytes);
void i2c_write_mem(uint8_t addr, uint8_t reg, uint8_t value);
void i2c_at24mac_read(char *buf, uint8_t eui64);
extern uint16_t i2c_probed; /* i2c devices we have probed */