Contiki 2.6

tmp102.h

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00001 /*
00002  * Copyright (c) 2010, Swedish Institute of Computer Science.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. Neither the name of the Institute nor the names of its contributors
00014  *    may be used to endorse or promote products derived from this software
00015  *    without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00027  * SUCH DAMAGE.
00028  *
00029  * This file is part of the Contiki operating system.
00030  *
00031  */
00032 
00033 /**
00034  * \file
00035  *         Device drivers header file for tmp102 temperature sensor in Zolertia Z1 WSN Platform.
00036  * \author
00037  *         Enric M. Calvo, Zolertia <ecalvo@zolertia.com>
00038  *         Marcus Lundén, SICS <mlunden@sics.se>
00039  */
00040 
00041 #ifndef __TMP102_H__
00042 #define __TMP102_H__
00043 #include <stdio.h>
00044 #include "i2cmaster.h"
00045 
00046 /* -------------------------------------------------------------------------- */
00047 /* Init the temperature sensor: ports, pins, I2C, interrupts (XXX none so far),
00048 */
00049 void  tmp102_init(void);
00050 
00051 /* Write to a register.
00052     args:
00053       reg       register to write to
00054       val       value to write
00055 */
00056 void    tmp102_write_reg(uint8_t reg, uint16_t val);
00057 
00058 /* Read one register.
00059     args:
00060       reg       what register to read
00061     returns the value of the read register
00062 */
00063 uint16_t tmp102_read_reg(uint8_t reg);
00064 
00065 /* Read temperature in raw format
00066     no args needed
00067 */
00068 uint16_t tmp102_read_temp_raw();
00069 
00070 /* Read only integer part of the temperature in 1deg. precision.
00071     no args needed
00072 */
00073 int8_t tmp102_read_temp_simple();
00074 
00075 /* Read only integer part of the temperature in 1deg. precision.
00076     no args needed
00077 */
00078 int16_t tmp102_read_temp_x100();
00079 
00080 /* -------------------------------------------------------------------------- */
00081 /* Reference definitions */
00082 /* TMP102 slave address */
00083 #define TMP102_ADDR           0x48
00084 
00085 /* TMP102 registers */
00086 #define TMP102_TEMP           0x00    // read only
00087 #define TMP102_CONF           0x01    
00088 #define TMP102_TLOW           0x02    
00089 #define TMP102_THIGH          0x03   
00090 
00091 /* TMP102 Ports */
00092 /* Accelerometer hardware ports, pins and registers on the msp430 µC */
00093 #define TMP102_PWR_DIR        P5DIR
00094 #define TMP102_PWR_SEL        P5SEL
00095 #define TMP102_PWR_SEL2       P5SEL2
00096 #define TMP102_PWR_REN        P5REN
00097 #define TMP102_PWR_OUT        P5OUT
00098 #define TMP102_PWR_PIN        (1<<0)          // P5.0
00099 //#define TMP102_INT_PIN      (1<<7)          // P1.7
00100 
00101 
00102 /* -------------------------------------------------------------------------- */
00103 #endif /* ifndef __TMP102_H__ */
00104 
00105 
00106