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Harald Pichler 2016-05-20 11:18:19 +02:00
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175
examples/osd/arduino-bmp085/Barometer.cpp Normal file
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/*
Barometer library V1.0
2010 Copyright (c) Seeed Technology Inc. All right reserved.
Original Author: LG
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "Barometer.h"
#include <Wire.h>
#include <Arduino.h>
void Barometer::init(void)
{
Wire.begin();
// Serial.print("Temperaturet: ");
ac1 = bmp085ReadInt(0xAA);
ac2 = bmp085ReadInt(0xAC);
ac3 = bmp085ReadInt(0xAE);
ac4 = bmp085ReadInt(0xB0);
ac5 = bmp085ReadInt(0xB2);
ac6 = bmp085ReadInt(0xB4);
b1 = bmp085ReadInt(0xB6);
b2 = bmp085ReadInt(0xB8);
mb = bmp085ReadInt(0xBA);
mc = bmp085ReadInt(0xBC);
md = bmp085ReadInt(0xBE);
// Serial.print("Temperaturet2: ");
}
// Read 1 byte from the BMP085 at 'address'
// Return: the read byte;
char Barometer::bmp085Read(unsigned char address)
{
//Wire.begin();
//unsigned char data;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(address);
Wire.endTransmission();
Wire.requestFrom(BMP085_ADDRESS, 1);
while(!Wire.available());
return Wire.read();
}
// Read 2 bytes from the BMP085
// First byte will be from 'address'
// Second byte will be from 'address'+1
int Barometer::bmp085ReadInt(unsigned char address)
{
unsigned char msb, lsb;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(address);
Wire.endTransmission();
Wire.requestFrom(BMP085_ADDRESS, 2);
while(Wire.available()<2);
msb = Wire.read();
lsb = Wire.read();
return (int) msb<<8 | lsb;
}
// Read the uncompensated temperature value
unsigned int Barometer::bmp085ReadUT()
{
unsigned int ut;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(0xF4);
Wire.write(0x2E);
Wire.endTransmission();
delay(5);
ut = bmp085ReadInt(0xF6);
return ut;
}
// Read the uncompensated pressure value
unsigned long Barometer::bmp085ReadUP()
{
unsigned char msb, lsb, xlsb;
unsigned long up = 0;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(0xF4);
Wire.write(0x34 + (OSS<<6));
Wire.endTransmission();
delay(2 + (3<<OSS));
// Read register 0xF6 (MSB), 0xF7 (LSB), and 0xF8 (XLSB)
msb = bmp085Read(0xF6);
lsb = bmp085Read(0xF7);
xlsb = bmp085Read(0xF8);
up = (((unsigned long) msb << 16) | ((unsigned long) lsb << 8) | (unsigned long) xlsb) >> (8-OSS);
return up;
}
void Barometer::writeRegister(int deviceAddress, byte address, byte val)
{
Wire.beginTransmission(deviceAddress); // start transmission to device
Wire.write(address); // send register address
Wire.write(val); // send value to write
Wire.endTransmission(); // end transmission
}
int Barometer::readRegister(int deviceAddress, byte address)
{
int v;
Wire.beginTransmission(deviceAddress);
Wire.write(address); // register to read
Wire.endTransmission();
Wire.requestFrom(deviceAddress, 1); // read a byte
while(!Wire.available()) {
// waiting
}
v = Wire.read();
return v;
}
float Barometer::calcAltitude(float pressure)
{
float A = pressure/101325;
float B = 1/5.25588;
float C = pow(A,B);
C = 1 - C;
C = C /0.0000225577;
return C;
}
float Barometer::bmp085GetTemperature(unsigned int ut)
{
long x1, x2;
x1 = (((long)ut - (long)ac6)*(long)ac5) >> 15;
x2 = ((long)mc << 11)/(x1 + md);
PressureCompensate = x1 + x2;
float temp = ((PressureCompensate + 8)>>4);
temp = temp /10;
return temp;
}
long Barometer::bmp085GetPressure(unsigned long up)
{
long x1, x2, x3, b3, b6, p;
unsigned long b4, b7;
b6 = PressureCompensate - 4000;
x1 = (b2 * (b6 * b6)>>12)>>11;
x2 = (ac2 * b6)>>11;
x3 = x1 + x2;
b3 = (((((long)ac1)*4 + x3)<<OSS) + 2)>>2;
// Calculate B4
x1 = (ac3 * b6)>>13;
x2 = (b1 * ((b6 * b6)>>12))>>16;
x3 = ((x1 + x2) + 2)>>2;
b4 = (ac4 * (unsigned long)(x3 + 32768))>>15;
b7 = ((unsigned long)(up - b3) * (50000>>OSS));
if (b7 < 0x80000000)
p = (b7<<1)/b4;
else
p = (b7/b4)<<1;
x1 = (p>>8) * (p>>8);
x1 = (x1 * 3038)>>16;
x2 = (-7357 * p)>>16;
p += (x1 + x2 + 3791)>>4;
long temp = p;
return temp;
}

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examples/osd/arduino-bmp085/Barometer.h Normal file
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/*
Barometer library V1.0
2010 Copyright (c) Seeed Technology Inc. All right reserved.
Original Author: LG
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __BAROMETER_H__
#define __BAROMETER_H__
#include <Arduino.h>
#include <Wire.h>
const unsigned char OSS = 0;
#define BMP085_ADDRESS 0x77
class Barometer
{
public:
void init(void);
long PressureCompensate;
float bmp085GetTemperature(unsigned int ut);
long bmp085GetPressure(unsigned long up);
float calcAltitude(float pressure);
unsigned int bmp085ReadUT(void);
unsigned long bmp085ReadUP(void);
private:
int ac1;
int ac2;
int ac3;
unsigned int ac4;
unsigned int ac5;
unsigned int ac6;
int b1;
int b2;
int mb;
int mc;
int md;
char bmp085Read(unsigned char address);
int bmp085ReadInt(unsigned char address);
void writeRegister(int deviceAddress, byte address, byte val);
int readRegister(int deviceAddress, byte address);
};
#endif

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examples/osd/arduino-bmp085/Barometer_Sensor/Barometer.cpp Normal file
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/*
Barometer library V1.0
2010 Copyright (c) Seeed Technology Inc. All right reserved.
Original Author: LG
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "Barometer.h"
#include <Wire.h>
#include <Arduino.h>
void Barometer::init(void)
{
Wire.begin();
Serial.print("Temperaturet: ");
ac1 = bmp085ReadInt(0xAA);
ac2 = bmp085ReadInt(0xAC);
ac3 = bmp085ReadInt(0xAE);
ac4 = bmp085ReadInt(0xB0);
ac5 = bmp085ReadInt(0xB2);
ac6 = bmp085ReadInt(0xB4);
b1 = bmp085ReadInt(0xB6);
b2 = bmp085ReadInt(0xB8);
mb = bmp085ReadInt(0xBA);
mc = bmp085ReadInt(0xBC);
md = bmp085ReadInt(0xBE);
Serial.print("Temperaturet2: ");
}
// Read 1 byte from the BMP085 at 'address'
// Return: the read byte;
char Barometer::bmp085Read(unsigned char address)
{
//Wire.begin();
unsigned char data;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(address);
Wire.endTransmission();
Wire.requestFrom(BMP085_ADDRESS, 1);
while(!Wire.available());
return Wire.read();
}
// Read 2 bytes from the BMP085
// First byte will be from 'address'
// Second byte will be from 'address'+1
int Barometer::bmp085ReadInt(unsigned char address)
{
unsigned char msb, lsb;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(address);
Wire.endTransmission();
Wire.requestFrom(BMP085_ADDRESS, 2);
while(Wire.available()<2);
msb = Wire.read();
lsb = Wire.read();
return (int) msb<<8 | lsb;
}
// Read the uncompensated temperature value
unsigned int Barometer::bmp085ReadUT()
{
unsigned int ut;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(0xF4);
Wire.write(0x2E);
Wire.endTransmission();
delay(5);
ut = bmp085ReadInt(0xF6);
return ut;
}
// Read the uncompensated pressure value
unsigned long Barometer::bmp085ReadUP()
{
unsigned char msb, lsb, xlsb;
unsigned long up = 0;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(0xF4);
Wire.write(0x34 + (OSS<<6));
Wire.endTransmission();
delay(2 + (3<<OSS));
// Read register 0xF6 (MSB), 0xF7 (LSB), and 0xF8 (XLSB)
msb = bmp085Read(0xF6);
lsb = bmp085Read(0xF7);
xlsb = bmp085Read(0xF8);
up = (((unsigned long) msb << 16) | ((unsigned long) lsb << 8) | (unsigned long) xlsb) >> (8-OSS);
return up;
}
void Barometer::writeRegister(int deviceAddress, byte address, byte val)
{
Wire.beginTransmission(deviceAddress); // start transmission to device
Wire.write(address); // send register address
Wire.write(val); // send value to write
Wire.endTransmission(); // end transmission
}
int Barometer::readRegister(int deviceAddress, byte address)
{
int v;
Wire.beginTransmission(deviceAddress);
Wire.write(address); // register to read
Wire.endTransmission();
Wire.requestFrom(deviceAddress, 1); // read a byte
while(!Wire.available()) {
// waiting
}
v = Wire.read();
return v;
}
float Barometer::calcAltitude(float pressure)
{
float A = pressure/101325;
float B = 1/5.25588;
float C = pow(A,B);
C = 1 - C;
C = C /0.0000225577;
return C;
}
float Barometer::bmp085GetTemperature(unsigned int ut)
{
long x1, x2;
x1 = (((long)ut - (long)ac6)*(long)ac5) >> 15;
x2 = ((long)mc << 11)/(x1 + md);
PressureCompensate = x1 + x2;
float temp = ((PressureCompensate + 8)>>4);
temp = temp /10;
return temp;
}
long Barometer::bmp085GetPressure(unsigned long up)
{
long x1, x2, x3, b3, b6, p;
unsigned long b4, b7;
b6 = PressureCompensate - 4000;
x1 = (b2 * (b6 * b6)>>12)>>11;
x2 = (ac2 * b6)>>11;
x3 = x1 + x2;
b3 = (((((long)ac1)*4 + x3)<<OSS) + 2)>>2;
// Calculate B4
x1 = (ac3 * b6)>>13;
x2 = (b1 * ((b6 * b6)>>12))>>16;
x3 = ((x1 + x2) + 2)>>2;
b4 = (ac4 * (unsigned long)(x3 + 32768))>>15;
b7 = ((unsigned long)(up - b3) * (50000>>OSS));
if (b7 < 0x80000000)
p = (b7<<1)/b4;
else
p = (b7/b4)<<1;
x1 = (p>>8) * (p>>8);
x1 = (x1 * 3038)>>16;
x2 = (-7357 * p)>>16;
p += (x1 + x2 + 3791)>>4;
long temp = p;
return temp;
}

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examples/osd/arduino-bmp085/Barometer_Sensor/Barometer.h Normal file
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/*
Barometer library V1.0
2010 Copyright (c) Seeed Technology Inc. All right reserved.
Original Author: LG
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __BAROMETER_H__
#define __BAROMETER_H__
#include <Arduino.h>
#include <Wire.h>
const unsigned char OSS = 0;
#define BMP085_ADDRESS 0x77
class Barometer
{
public:
void init(void);
long PressureCompensate;
float bmp085GetTemperature(unsigned int ut);
long bmp085GetPressure(unsigned long up);
float calcAltitude(float pressure);
unsigned int bmp085ReadUT(void);
unsigned long bmp085ReadUP(void);
private:
int ac1;
int ac2;
int ac3;
unsigned int ac4;
unsigned int ac5;
unsigned int ac6;
int b1;
int b2;
int mb;
int mc;
int md;
char bmp085Read(unsigned char address);
int bmp085ReadInt(unsigned char address);
void writeRegister(int deviceAddress, byte address, byte val);
int readRegister(int deviceAddress, byte address);
};
#endif

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examples/osd/arduino-bmp085/Barometer_Sensor/examples/Barometer_Sensor/Barometer_Sensor.ino Normal file
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/* Barometer demo V1.0
* Based largely on code by Jim Lindblom
* Get pressure, altitude, and temperature from the BMP085.
* Serial.print it out at 9600 baud to serial monitor.
*
* By:http://www.seeedstudio.com
*/
#include "Barometer.h"
#include <Wire.h>
float temperature;
float pressure;
float atm;
float altitude;
Barometer myBarometer;
void setup(){
Serial.begin(9600);
myBarometer.init();
}
void loop()
{
temperature = myBarometer.bmp085GetTemperature(myBarometer.bmp085ReadUT()); //Get the temperature, bmp085ReadUT MUST be called first
pressure = myBarometer.bmp085GetPressure(myBarometer.bmp085ReadUP());//Get the temperature
altitude = myBarometer.calcAltitude(pressure); //Uncompensated caculation - in Meters
atm = pressure / 101325;
Serial.print("Temperature: ");
Serial.print(temperature, 2); //display 2 decimal places
Serial.println("deg C");
Serial.print("Pressure: ");
Serial.print(pressure, 0); //whole number only.
Serial.println(" Pa");
Serial.print("Ralated Atmosphere: ");
Serial.println(atm, 4); //display 4 decimal places
Serial.print("Altitude: ");
Serial.print(altitude, 2); //display 2 decimal places
Serial.println(" m");
Serial.println();
delay(1000); //wait a second and get values again.
}

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examples/osd/arduino-bmp085/Makefile Normal file
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# Set this to the name of your sketch (without extension .pde)
SKETCH=sketch
EXE=arduino-example
all: $(EXE)
CONTIKI=../../..
# Contiki IPv6 configuration
CONTIKI_WITH_IPV6 = 1
CFLAGS += -DPROJECT_CONF_H=\"project-conf.h\"
LFLAGS += -lm
PROJECT_SOURCEFILES += ${SKETCH}.cpp Barometer.cpp
# automatically build RESTful resources
REST_RESOURCES_DIR = ./resources
REST_RESOURCES_DIR_COMMON = ../resources-common
REST_RESOURCES_FILES= $(notdir \
$(shell find $(REST_RESOURCES_DIR) -name '*.c') \
$(shell find $(REST_RESOURCES_DIR_COMMON) -name '*.c') \
)
PROJECTDIRS += $(REST_RESOURCES_DIR) $(REST_RESOURCES_DIR_COMMON)
PROJECT_SOURCEFILES += $(REST_RESOURCES_FILES)
# variable for Makefile.include
ifneq ($(TARGET), minimal-net)
CFLAGS += -DUIP_CONF_IPV6_RPL=1
else
# minimal-net does not support RPL under Linux and is mostly used to test CoAP only
${info INFO: compiling without RPL}
CFLAGS += -DUIP_CONF_IPV6_RPL=0
CFLAGS += -DHARD_CODED_ADDRESS=\"fdfd::10\"
${info INFO: compiling with large buffers}
CFLAGS += -DUIP_CONF_BUFFER_SIZE=2048
CFLAGS += -DREST_MAX_CHUNK_SIZE=1024
CFLAGS += -DCOAP_MAX_HEADER_SIZE=640
endif
# linker optimizations
SMALL=1
# REST Engine shall use Erbium CoAP implementation
APPS += er-coap
APPS += rest-engine
APPS += arduino
include $(CONTIKI)/Makefile.include
include $(CONTIKI)/apps/arduino/Makefile.include
$(CONTIKI)/tools/tunslip6: $(CONTIKI)/tools/tunslip6.c
(cd $(CONTIKI)/tools && $(MAKE) tunslip6)
connect-router: $(CONTIKI)/tools/tunslip6
sudo $(CONTIKI)/tools/tunslip6 aaaa::1/64
connect-router-cooja: $(CONTIKI)/tools/tunslip6
sudo $(CONTIKI)/tools/tunslip6 -a 127.0.0.1 aaaa::1/64
connect-minimal:
sudo ip address add fdfd::1/64 dev tap0
avr-size: $(EXE).$(TARGET).sz
flash: $(EXE).$(TARGET).u $(EXE).$(TARGET).eu
.PHONY: flash avr-size
.PRECIOUS: $(EXE).$(TARGET).hex $(EXE).$(TARGET).eep

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examples/osd/arduino-bmp085/README.md Normal file
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Arduino compatibility example
=============================
This example shows that it is now possible to re-use arduino sketches in
Contiki. This example documents the necessary magic. Arduino specifies
two routines, `setup` and `loop`. Before `setup` is called, the
framework initializes hardware. In original Arduino, all this is done in
a `main` function (in C). For contiki we define a process that does the
same.
See the documentation file in apps/contiki-compat/README.md

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examples/osd/arduino-bmp085/arduino-example.c Normal file
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#include <arduino-process.h>
AUTOSTART_PROCESSES(&arduino_sketch);

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examples/osd/arduino-bmp085/flash.sh Executable file
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#!/bin/bash
make TARGET=osd-merkur-128 flash

106
examples/osd/arduino-bmp085/project-conf.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.
*
*
*/
#ifndef PROJECT_RPL_WEB_CONF_H_
#define PROJECT_RPL_WEB_CONF_H_
#define PLATFORM_HAS_LEDS 1
//#define PLATFORM_HAS_BUTTON 1
#define PLATFORM_HAS_BATTERY 1
#define SICSLOWPAN_CONF_FRAG 1
#define LOOP_INTERVAL (10 * CLOCK_SECOND)
/* Save energy */
//#define RDC_CONF_PT_YIELD_OFF
/* For Debug: Dont allow MCU sleeping between channel checks */
//#undef RDC_CONF_MCU_SLEEP
//#define RDC_CONF_MCU_SLEEP 0
/* Disabling RDC for demo purposes. Core updates often require more memory. */
/* For projects, optimize memory and enable RDC again. */
// #undef NETSTACK_CONF_RDC
//#define NETSTACK_CONF_RDC nullrdc_driver
/* Increase rpl-border-router IP-buffer when using more than 64. */
#undef REST_MAX_CHUNK_SIZE
#define REST_MAX_CHUNK_SIZE 64
/* Estimate your header size, especially when using Proxy-Uri. */
/*
#undef COAP_MAX_HEADER_SIZE
#define COAP_MAX_HEADER_SIZE 70
*/
/* The IP buffer size must fit all other hops, in particular the border router. */
#undef UIP_CONF_BUFFER_SIZE
#define UIP_CONF_BUFFER_SIZE 256
/* Multiplies with chunk size, be aware of memory constraints. */
#undef COAP_MAX_OPEN_TRANSACTIONS
#define COAP_MAX_OPEN_TRANSACTIONS 4
/* Must be <= open transaction number, default is COAP_MAX_OPEN_TRANSACTIONS-1. */
/*
#undef COAP_MAX_OBSERVERS
#define COAP_MAX_OBSERVERS 2
*/
/* Filtering .well-known/core per query can be disabled to save space. */
/*
#undef COAP_LINK_FORMAT_FILTERING
#define COAP_LINK_FORMAT_FILTERING 0
*/
/* Save some memory for the sky platform. */
/*
#undef NBR_TABLE_CONF_MAX_NEIGHBORS
#define NBR_TABLE_CONF_MAX_NEIGHBORS 10
#undef UIP_CONF_MAX_ROUTES
#define UIP_CONF_MAX_ROUTES 10
*/
/* Reduce 802.15.4 frame queue to save RAM. */
/*
#undef QUEUEBUF_CONF_NUM
#define QUEUEBUF_CONF_NUM 4
*/
/*
#undef SICSLOWPAN_CONF_FRAG
#define SICSLOWPAN_CONF_FRAG 1
*/
#endif /* PROJECT_RPL_WEB_CONF_H_ */

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examples/osd/arduino-bmp085/resources/res-bmp085alt.c Normal file
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/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* 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
* Barometer resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_bmp085alt,
"title=\"alt status\";rt=\"alt\"",
res_get_handler,
NULL,
NULL,
NULL);
extern char bmp085alt_s[8];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", bmp085alt_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'temperature':%s}", bmp085alt_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

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examples/osd/arduino-bmp085/resources/res-bmp085atm.c Normal file
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/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* 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
* Barometer resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_bmp085atm,
"title=\"atm status\";rt=\"atm\"",
res_get_handler,
NULL,
NULL,
NULL);
extern char bmp085atm_s[8];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", bmp085atm_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'temperature':%s}", bmp085atm_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

79
examples/osd/arduino-bmp085/resources/res-bmp085press.c Normal file
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/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* 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
* Barometer resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_bmp085press,
"title=\"pressure status\";rt=\"pressure\"",
res_get_handler,
NULL,
NULL,
NULL);
extern char bmp085press_s[8];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", bmp085press_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'pressure':%s}", bmp085press_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

79
examples/osd/arduino-bmp085/resources/res-bmp085temp.c Normal file
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/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* 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
* Barometer resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_bmp085temp,
"title=\"Temperature status\";rt=\"Temperatur\"",
res_get_handler,
NULL,
NULL,
NULL);
extern char bmp085temp_s[8];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", bmp085temp_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'temperature':%s}", bmp085temp_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

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examples/osd/arduino-bmp085/run.sh Executable file
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#!/bin/bash
# For the ages-old bootloader (before 2014) you want to use
# BOOTLOADER_GET_MAC=0x0001f3a0 as parameter to make below.
make clean TARGET=osd-merkur-128
make TARGET=osd-merkur-128

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examples/osd/arduino-bmp085/sketch.pde Normal file
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/*
* Sample arduino sketch using contiki features.
* We turn the LED off
* We allow read the moisture sensor
* Unfortunately sleeping for long times in loop() isn't currently
* possible, something turns off the CPU (including PWM outputs) if a
* Proto-Thread is taking too long. We need to find out how to sleep in
* a Contiki-compatible way.
* Note that for a normal arduino sketch you won't have to include any
* of the contiki-specific files here, the sketch should just work.
*/
#include <Wire.h>
#include "Barometer.h"
extern "C" {
#include "arduino-process.h"
#include "rest-engine.h"
extern resource_t res_bmp085temp,res_bmp085press,res_bmp085atm,res_bmp085alt, res_battery;
float bmp085temp;
float bmp085press;
float bmp085atm;
float bmp085alt;
char bmp085temp_s[8];
char bmp085press_s[8];
char bmp085atm_s[8];
char bmp085alt_s[8];
Barometer myBarometer;
#define LED_PIN 4
}
void setup (void)
{
// switch off the led
pinMode(LED_PIN, OUTPUT);
digitalWrite(LED_PIN, HIGH);
// BMP085 sensor
myBarometer.init();
// init coap resourcen
rest_init_engine ();
rest_activate_resource (&res_bmp085temp, "s/temp");
rest_activate_resource (&res_bmp085press, "s/press");
rest_activate_resource (&res_bmp085atm, "s/atm");
rest_activate_resource (&res_bmp085alt, "s/alt");
rest_activate_resource (&res_battery, "s/battery");
}
// at project-conf.h
// LOOP_INTERVAL (10 * CLOCK_SECOND)
void loop (void)
{
mcu_sleep_off();
bmp085temp = myBarometer.bmp085GetTemperature(myBarometer.bmp085ReadUT()); //Get the temperature, bmp085ReadUT MUST be called first
bmp085press = myBarometer.bmp085GetPressure(myBarometer.bmp085ReadUP());//Get the temperature
bmp085alt = myBarometer.calcAltitude(bmp085press); //Uncompensated caculation - in Meters
bmp085atm = bmp085press / 101325;
dtostrf(bmp085temp , 6, 2, bmp085temp_s );
dtostrf(bmp085press , 6, 2, bmp085press_s );
dtostrf(bmp085alt , 6, 2, bmp085alt_s );
dtostrf(bmp085atm , 6, 2, bmp085atm_s );
// remove space
if(bmp085temp_s[0]==' '){
memcpy (bmp085temp_s,bmp085temp_s+1,strlen(bmp085temp_s)+1);
}
if(bmp085press_s[0]==' '){
memcpy (bmp085press_s,bmp085press_s+1,strlen(bmp085press_s)+1);
}
if(bmp085alt_s[0]==' '){
memcpy (bmp085alt_s,bmp085alt_s+1,strlen(bmp085alt_s)+1);
}
if(bmp085atm_s[0]==' '){
memcpy (bmp085atm_s,bmp085atm_s+1,strlen(bmp085atm_s)+1);
}
// Debug Print
printf("Temp: %s",bmp085temp_s);
printf("\t\tPress: %s\n",bmp085press_s);
printf("\t\tAltitude: %s\n",bmp085alt_s);
printf("\t\tatm: %s\n",bmp085atm_s);
mcu_sleep_on();
}

100
examples/osd/arduino-weather/Adafruit_HTU21DF.cpp Normal file
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/***************************************************
This is a library for the HTU21DF Humidity & Temp Sensor
Designed specifically to work with the HTU21DF sensor from Adafruit
----> https://www.adafruit.com/products/1899
These displays use I2C to communicate, 2 pins are required to
interface
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!
Written by Limor Fried/Ladyada for Adafruit Industries.
BSD license, all text above must be included in any redistribution
****************************************************/
#include "Adafruit_HTU21DF.h"
#if defined(__AVR__)
#include <util/delay.h>
#endif
Adafruit_HTU21DF::Adafruit_HTU21DF() {
}
boolean Adafruit_HTU21DF::begin(void) {
Wire.begin();
reset();
Wire.beginTransmission(HTU21DF_I2CADDR);
Wire.write(HTU21DF_READREG);
Wire.endTransmission();
Wire.requestFrom(HTU21DF_I2CADDR, 1);
return (Wire.read() == 0x2); // after reset should be 0x2
}
void Adafruit_HTU21DF::reset(void) {
Wire.beginTransmission(HTU21DF_I2CADDR);
Wire.write(HTU21DF_RESET);
Wire.endTransmission();
delay(15);
}
float Adafruit_HTU21DF::readTemperature(void) {
// OK lets ready!
Wire.beginTransmission(HTU21DF_I2CADDR);
Wire.write(HTU21DF_READTEMP);
Wire.endTransmission();
delay(50); // add delay between request and actual read!
Wire.requestFrom(HTU21DF_I2CADDR, 3);
while (!Wire.available()) {}
uint16_t t = Wire.read();
t <<= 8;
t |= Wire.read();
uint8_t crc = Wire.read();
float temp = t;
temp *= 175.72;
temp /= 65536;
temp -= 46.85;
return temp;
}
float Adafruit_HTU21DF::readHumidity(void) {
// OK lets ready!
Wire.beginTransmission(HTU21DF_I2CADDR);
Wire.write(HTU21DF_READHUM);
Wire.endTransmission();
delay(50); // add delay between request and actual read!
Wire.requestFrom(HTU21DF_I2CADDR, 3);
while (!Wire.available()) {}
uint16_t h = Wire.read();
h <<= 8;
h |= Wire.read();
uint8_t crc = Wire.read();
float hum = h;
hum *= 125;
hum /= 65536;
hum -= 6;
return hum;
}
/*********************************************************************/

44
examples/osd/arduino-weather/Adafruit_HTU21DF.h Normal file
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/***************************************************
This is a library for the HTU21D-F Humidity & Temp Sensor
Designed specifically to work with the HTU21D-F sensor from Adafruit
----> https://www.adafruit.com/products/1899
These displays use I2C to communicate, 2 pins are required to
interface
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!
Written by Limor Fried/Ladyada for Adafruit Industries.
BSD license, all text above must be included in any redistribution
****************************************************/
//#if (ARDUINO >= 100)
#include "Arduino.h"
//#else
// #include "WProgram.h"
//#endif
#include "Wire.h"
#define HTU21DF_I2CADDR 0x40
#define HTU21DF_READTEMP 0xE3
#define HTU21DF_READHUM 0xE5
#define HTU21DF_WRITEREG 0xE6
#define HTU21DF_READREG 0xE7
#define HTU21DF_RESET 0xFE
class Adafruit_HTU21DF {
public:
Adafruit_HTU21DF();
boolean begin(void);
float readTemperature(void);
float readHumidity(void);
void reset(void);
private:
boolean readData(void);
float humidity, temp;
};

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examples/osd/arduino-weather/BH1750FVI.cpp Normal file
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#include "BH1750FVI.h"
//#if ARDUINO >= 100
#include "Arduino.h"
//#else
// #include "WProgram.h"
//#endif
#include <Wire.h>
void BH1750FVI::begin(byte mode, byte addr, double sens, int pin){
if(pin>=0 && pin<55){
pinMode(pin, OUTPUT);
if(addr==BH_AddrL) digitalWrite(pin, LOW);
if(addr==BH_AddrH) digitalWrite(pin, HIGH);
}
byte sensitivity;
if(sens<BH_MinSv){
sens = constrain(sens, ((double)BH_MinSv/(double)BH_DefSv), ((double)BH_MaxSv/(double)BH_DefSv));
sensitivity = (byte)round(sens*(double)BH_DefSv);
}
else{
sensitivity = constrain((byte)sens, BH_MinSv, BH_MaxSv);
}
address = addr;
currentSensitivity = sensitivity;
MTreg_hiByte = BH_MTrHb | (sensitivity >> 5);
MTreg_loByte = BH_MTrLb | (sensitivity & 0b00011111);
switch(mode){
case BH_ContL:
case BH_ContH:
case BH_Conth:
startOngoingSamples(mode);
break;
case BH_SingH:
case BH_Singh:
case BH_SingL:
startSingleSample(mode);
break;
default:
mode = BH_EasyH;
startOngoingSamples(mode);
break;
}
sampleUnseen = false;
lastSampleStart = 0;
}
word BH1750FVI::startOngoingSamples(char mode){
if(mode==BH_NoMod) mode=currentMode;
byte lowLevelMode = mode;
if(lowLevelMode==BH_EasyH) lowLevelMode=BH_ContH;
switch(mode){
case BH_EasyH:
case BH_ContH:
case BH_Conth:
case BH_ContL:
i2cWrite(BH_PowOn);
i2cWrite(MTreg_hiByte);
i2cWrite(MTreg_loByte);
i2cWrite(lowLevelMode);
lastSampleStart = millis();
currentMode = mode;
return setSensitivity(currentSensitivity);
break;
default:
return 0;
}
}
word BH1750FVI::startSingleSample(char mode){
if(mode==BH_NoMod){
mode=currentMode;
}
switch(mode){
case BH_SingH:
case BH_Singh:
case BH_SingL:
i2cWrite(BH_PowOn);
i2cWrite(MTreg_hiByte);
i2cWrite(MTreg_loByte);
i2cWrite(mode);
lastSampleStart = millis();
currentMode = mode;
return setSensitivity(currentSensitivity);
break;
default:
return 0;
}
}
bool BH1750FVI::sampleIsFresh(){
if(sampleUnseen) return true;
else if((millis() > (lastSampleStart+currentSamplingTime))){
sampleUnseen = true;
return true;
}
else return false;
}
word BH1750FVI::getLightLevel(char mode){
unsigned long int Intensity_value;
sampleUnseen = false;
Intensity_value = i2cRead();
if(mode!='r'){
Intensity_value = (Intensity_value*5)/6;
if(mode!='c'){
Intensity_value = (Intensity_value*69)/currentSensitivity;
}
/*this next adjustment is not useful in practice. if you're using
a half-scale mode, you want the extra sensitivity. I'm leaving it
here for reference.
switch(currentMode){
case BH_Singh:
case BH_Conth:
Intensity_value /= 2;
}*/
Intensity_value = constrain(Intensity_value, 0, 65535);
}
switch(currentMode){
case BH_ContH:
case BH_Conth:
case BH_ContL:
case BH_EasyH:
//this is a fake previous sample time that will keep pace with
//the actual BH1750FVI's sampling rate, but isn't necessarily
//synchronized to the earliest time each new sample is available.
//if you want true synchronized timing, use a single-sample mode.
lastSampleStart = millis();
}
return (word)Intensity_value;
}
word BH1750FVI::setSensitivity(double sens){
if(sens<((double)(BH_MinSv/2))){
sens = constrain(sens,
((double)BH_MinSv/(double)BH_DefSv),
((double)BH_MaxSv/(double)BH_DefSv)
);
sens = sens*(double)BH_DefSv;
}
else{
sens = constrain(sens, (double)BH_MinSv, (double)BH_MaxSv);
}
return setSensitivity((byte)round(sens));
}
word BH1750FVI::setSensitivity(float sens){
return setSensitivity((double)sens);
}
word BH1750FVI::setSensitivity(int sens){
sens = constrain(sens, 1, BH_MaxSv);
return setSensitivity((byte)sens);
}
word BH1750FVI::setSensitivity(byte sens){
if(sens<(BH_MinSv/2)){
sens = BH_DefSv*(constrain(sens, (byte)1, (byte)3));
}
else{
sens = constrain(sens, BH_MinSv, BH_MaxSv);
}
switch(currentMode){
case BH_ContL:
case BH_SingL:
currentSamplingTime = (word)((BH_FastD*(unsigned long int)sens)/BH_DefSv);
break;
default:
currentSamplingTime = (word)((((unsigned long int)BH_SlowD)*((unsigned long int)sens))/BH_DefSv);
break;
}
MTreg_hiByte = BH_MTrHb | (sens >> 5);
MTreg_loByte = BH_MTrLb | (sens & 0b00011111);
currentSensitivity = sens;
sampleUnseen = false;
return currentSamplingTime;
}
void BH1750FVI::powerDown(){
i2cWrite(BH_PowOf);
}
/*I2C INTERFACE
These two functions were originally based on code written by
https://github.com/claws/ and
https://github.com/Genotronex/
*/
void BH1750FVI::i2cWrite(byte dataToSend){
Wire.beginTransmission(address);
Wire.write(dataToSend);
Wire.endTransmission();
}
word BH1750FVI::i2cRead(){
word value;
Wire.beginTransmission(address);
Wire.requestFrom(address, (byte)2);
if(Wire.available()){
value = Wire.read();
if(Wire.available()){
value <<= 8;
value |= Wire.read();
}
else value=0;
}
else value=0;
Wire.endTransmission();
return value;
}

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examples/osd/arduino-weather/BH1750FVI.h Normal file
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#ifndef BH1750FVI_h
#define BH1750FVI_h
//#if ARDUINO >= 100
#include "Arduino.h"
//#else
// #include "WProgram.h"
//#endif
#include <Wire.h>
//device address options
#define BH_AddrL 0x23 // Device address when addr pin is LOW
#define BH_AddrH 0x5C // Device address when addr pin is HIGH
//power codes
#define BH_PowOf 0x00 // power-off code
#define BH_PowOn 0x01 // power-on code
#define BH_Reset 0x07 // code to reset the light reading register to zero
//mode codes
#define BH_NoMod 0x02 // No mode specified. Keeps mode the same as before.
#define BH_EasyH 0x03 // 'easy' mode. basically the same as ContH
#define BH_ContH 0x10 // continuous full-scale, high-resolution sampling
#define BH_Conth 0x11 // continuous with twice the resolution but half the max value
#define BH_ContL 0x13 // continuous full-scale, low-resolution sampling. faster.
#define BH_SingH 0x20 // take one high-resolution, full-scale sample then turn off
#define BH_Singh 0x21 // take one high-resolution, half-scale sample then turn off
#define BH_SingL 0x23 // take one low-resolution, full-scale sample then turn off
// (happens to be the same as the low address value)
//sensitivity codes
#define BH_MTrHb 0x40 // last 3 bits must be masked to 3 MSB of desired value
#define BH_MTrLb 0x60 // last 5 bits must be masked to 5 LSB of desired value
#define BH_MinSv 31 // minimum sensitivity register value, yields Lux * 0.45
#define BH_MaxSv 254 // maximum sensitivity register value, yields Lux * 3.68
#define BH_DefSv 69 // default sensitivity register value, yields Lux * 1.00
//timing delays. they're actually longer than the datasheet says.
#define BH_FastD 18 // basic delay in microseconds for a fast sample
#define BH_SlowD 125 // basic delay in microseconds for a slow sample
class BH1750FVI {
public:
/*BEGIN
this is intended to be as error-tolerant as possible. if you don't supply
a mode, the default mode will be 'easy'. the sensitivity obviously defaults
to 1.0 (byte value of 69). Default address selection is LOW, which is how
the BH1750FVI should default if you don't connect anything to its ADDR pin.
*/void begin(byte mode=BH_EasyH, byte addr=BH_AddrL, double sens=BH_DefSv, int addrPin=-1);
/*FRESH SAMPLE POLLING
Check whether you have already looked at the current sample.
*/bool sampleIsFresh();
/*ACTUALLY GET A READING FROM THE SENSOR
This is probably all you wanted from this library. Return value is an
unsigned 16 bit integer with units of Lux. There are three possible modes:
'r' raw numerical reading, no units, you get what you get
'c' convert units to Lux or half-Lux, depending on the mode, but don't
compensate for the sensitivity setting. This allows sensitivity to
be used as enclosure optics calibration/compensation.
't' true Lux (or half-Lux) reading, regardless of sensitivity settings.
*/word getLightLevel(char adjustments='c');
word retrieveSample();
/*CONTINUOUS SAMPLING
Return value of this start function is the delay time between refreshes of
the ambient light reading. After you call this function, you can use getLightLevel()
to read the most recent ambient light level. If you try to run this ongoing start
function with a one-time mode argument, it will do nothing and return 0.
*/word startOngoingSamples(char mode=BH_NoMod);
/*ONE-TIME SAMPLE START
Return value of this start function is the delay time before the new ambient
light reading will be available. You can check whether the new sample is ready
yet using sampleIsFresh(). Retrieve that single sample with getLightLevel().
If you give this one-time start function a continuous mode argument, it will
do nothing and return 0.
*/word startSingleSample(char mode=BH_NoMod);
/*SENSITIVITY SETTINGS
This function lets you change the 'sensitivity' of the BH1750FVI by changing
its sampling time up or down. The sensitivity is stored as a number between
31 and 254, with a default value of 69. This is intended to compensate for
having the chip installed in an enclosure that blocks some ambient light.
The floating point versions of the function allow the sensitivity to be
given as a ratio between ~0.45 and ~3.68. The return value is the number of
milliseconds that the chip will take to create a new light level reading.
*/word setSensitivity(double sens);
word setSensitivity(float sens);
word setSensitivity(int sens);
word setSensitivity(byte sens=BH_DefSv);
/*POWERDOWN FUNCTION
In case you want to turn off the BH1750FVI to save power. Other commands will wake
the chip back up. Single sample modes automatically turn off the chip after sampling,
but you can still read the value from it without waking it up.
*/void powerDown();
private:
void init(byte mode, byte addr, byte sens);
void i2cWrite(byte dataToSend);
word i2cRead();
byte address;
byte currentMode;
byte currentSensitivity;
bool sampleUnseen;
byte MTreg_hiByte;
byte MTreg_loByte;
unsigned long int lastSampleStart;
word currentSamplingTime;
};
#endif

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/*
Barometer library V1.0
2010 Copyright (c) Seeed Technology Inc. All right reserved.
Original Author: LG
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "Barometer.h"
#include <Wire.h>
#include <Arduino.h>
void Barometer::init(void)
{
Wire.begin();
// Serial.print("Temperaturet: ");
ac1 = bmp085ReadInt(0xAA);
ac2 = bmp085ReadInt(0xAC);
ac3 = bmp085ReadInt(0xAE);
ac4 = bmp085ReadInt(0xB0);
ac5 = bmp085ReadInt(0xB2);
ac6 = bmp085ReadInt(0xB4);
b1 = bmp085ReadInt(0xB6);
b2 = bmp085ReadInt(0xB8);
mb = bmp085ReadInt(0xBA);
mc = bmp085ReadInt(0xBC);
md = bmp085ReadInt(0xBE);
// Serial.print("Temperaturet2: ");
}
// Read 1 byte from the BMP085 at 'address'
// Return: the read byte;
char Barometer::bmp085Read(unsigned char address)
{
//Wire.begin();
//unsigned char data;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(address);
Wire.endTransmission();
Wire.requestFrom(BMP085_ADDRESS, 1);
while(!Wire.available());
return Wire.read();
}
// Read 2 bytes from the BMP085
// First byte will be from 'address'
// Second byte will be from 'address'+1
int Barometer::bmp085ReadInt(unsigned char address)
{
unsigned char msb, lsb;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(address);
Wire.endTransmission();
Wire.requestFrom(BMP085_ADDRESS, 2);
while(Wire.available()<2);
msb = Wire.read();
lsb = Wire.read();
return (int) msb<<8 | lsb;
}
// Read the uncompensated temperature value
unsigned int Barometer::bmp085ReadUT()
{
unsigned int ut;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(0xF4);
Wire.write(0x2E);
Wire.endTransmission();
delay(5);
ut = bmp085ReadInt(0xF6);
return ut;
}
// Read the uncompensated pressure value
unsigned long Barometer::bmp085ReadUP()
{
unsigned char msb, lsb, xlsb;
unsigned long up = 0;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(0xF4);
Wire.write(0x34 + (OSS<<6));
Wire.endTransmission();
delay(2 + (3<<OSS));
// Read register 0xF6 (MSB), 0xF7 (LSB), and 0xF8 (XLSB)
msb = bmp085Read(0xF6);
lsb = bmp085Read(0xF7);
xlsb = bmp085Read(0xF8);
up = (((unsigned long) msb << 16) | ((unsigned long) lsb << 8) | (unsigned long) xlsb) >> (8-OSS);
return up;
}
void Barometer::writeRegister(int deviceAddress, byte address, byte val)
{
Wire.beginTransmission(deviceAddress); // start transmission to device
Wire.write(address); // send register address
Wire.write(val); // send value to write
Wire.endTransmission(); // end transmission
}
int Barometer::readRegister(int deviceAddress, byte address)
{
int v;
Wire.beginTransmission(deviceAddress);
Wire.write(address); // register to read
Wire.endTransmission();
Wire.requestFrom(deviceAddress, 1); // read a byte
while(!Wire.available()) {
// waiting
}
v = Wire.read();
return v;
}
float Barometer::calcAltitude(float pressure)
{
float A = pressure/101325;
float B = 1/5.25588;
float C = pow(A,B);
C = 1 - C;
C = C /0.0000225577;
return C;
}
float Barometer::bmp085GetTemperature(unsigned int ut)
{
long x1, x2;
x1 = (((long)ut - (long)ac6)*(long)ac5) >> 15;
x2 = ((long)mc << 11)/(x1 + md);
PressureCompensate = x1 + x2;
float temp = ((PressureCompensate + 8)>>4);
temp = temp /10;
return temp;
}
long Barometer::bmp085GetPressure(unsigned long up)
{
long x1, x2, x3, b3, b6, p;
unsigned long b4, b7;
b6 = PressureCompensate - 4000;
x1 = (b2 * (b6 * b6)>>12)>>11;
x2 = (ac2 * b6)>>11;
x3 = x1 + x2;
b3 = (((((long)ac1)*4 + x3)<<OSS) + 2)>>2;
// Calculate B4
x1 = (ac3 * b6)>>13;
x2 = (b1 * ((b6 * b6)>>12))>>16;
x3 = ((x1 + x2) + 2)>>2;
b4 = (ac4 * (unsigned long)(x3 + 32768))>>15;
b7 = ((unsigned long)(up - b3) * (50000>>OSS));
if (b7 < 0x80000000)
p = (b7<<1)/b4;
else
p = (b7/b4)<<1;
x1 = (p>>8) * (p>>8);
x1 = (x1 * 3038)>>16;
x2 = (-7357 * p)>>16;
p += (x1 + x2 + 3791)>>4;
long temp = p;
return temp;
}

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/*
Barometer library V1.0
2010 Copyright (c) Seeed Technology Inc. All right reserved.
Original Author: LG
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __BAROMETER_H__
#define __BAROMETER_H__
#include <Arduino.h>
#include <Wire.h>
const unsigned char OSS = 0;
#define BMP085_ADDRESS 0x77
class Barometer
{
public:
void init(void);
long PressureCompensate;
float bmp085GetTemperature(unsigned int ut);
long bmp085GetPressure(unsigned long up);
float calcAltitude(float pressure);
unsigned int bmp085ReadUT(void);
unsigned long bmp085ReadUP(void);
private:
int ac1;
int ac2;
int ac3;
unsigned int ac4;
unsigned int ac5;
unsigned int ac6;
int b1;
int b2;
int mb;
int mc;
int md;
char bmp085Read(unsigned char address);
int bmp085ReadInt(unsigned char address);
void writeRegister(int deviceAddress, byte address, byte val);
int readRegister(int deviceAddress, byte address);
};
#endif

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# Set this to the name of your sketch (without extension .pde)
SKETCH=sketch
EXE=arduino-example
all: $(EXE)
CONTIKI=../../..
# Contiki IPv6 configuration
CONTIKI_WITH_IPV6 = 1
CFLAGS += -DPROJECT_CONF_H=\"project-conf.h\"
LFLAGS += -lm
PROJECT_SOURCEFILES += ${SKETCH}.cpp Barometer.cpp BH1750FVI.cpp Adafruit_HTU21DF.cpp
# automatically build RESTful resources
REST_RESOURCES_DIR = ./resources
REST_RESOURCES_DIR_COMMON = ../resources-common
REST_RESOURCES_FILES= $(notdir \
$(shell find $(REST_RESOURCES_DIR) -name '*.c') \
$(shell find $(REST_RESOURCES_DIR_COMMON) -name '*.c') \
)
PROJECTDIRS += $(REST_RESOURCES_DIR) $(REST_RESOURCES_DIR_COMMON)
PROJECT_SOURCEFILES += $(REST_RESOURCES_FILES)
# variable for Makefile.include
ifneq ($(TARGET), minimal-net)
CFLAGS += -DUIP_CONF_IPV6_RPL=1
else
# minimal-net does not support RPL under Linux and is mostly used to test CoAP only
${info INFO: compiling without RPL}
CFLAGS += -DUIP_CONF_IPV6_RPL=0
CFLAGS += -DHARD_CODED_ADDRESS=\"fdfd::10\"
${info INFO: compiling with large buffers}
CFLAGS += -DUIP_CONF_BUFFER_SIZE=2048
CFLAGS += -DREST_MAX_CHUNK_SIZE=1024
CFLAGS += -DCOAP_MAX_HEADER_SIZE=640
endif
# linker optimizations
SMALL=1
# REST Engine shall use Erbium CoAP implementation
APPS += er-coap
APPS += rest-engine
APPS += arduino
include $(CONTIKI)/Makefile.include
include $(CONTIKI)/apps/arduino/Makefile.include
$(CONTIKI)/tools/tunslip6: $(CONTIKI)/tools/tunslip6.c
(cd $(CONTIKI)/tools && $(MAKE) tunslip6)
connect-router: $(CONTIKI)/tools/tunslip6
sudo $(CONTIKI)/tools/tunslip6 aaaa::1/64
connect-router-cooja: $(CONTIKI)/tools/tunslip6
sudo $(CONTIKI)/tools/tunslip6 -a 127.0.0.1 aaaa::1/64
connect-minimal:
sudo ip address add fdfd::1/64 dev tap0
avr-size: $(EXE).$(TARGET).sz
flash: $(EXE).$(TARGET).u $(EXE).$(TARGET).eu
.PHONY: flash avr-size
.PRECIOUS: $(EXE).$(TARGET).hex $(EXE).$(TARGET).eep

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Arduino compatibility example
=============================
This example shows that it is now possible to re-use arduino sketches in
Contiki. This example documents the necessary magic. Arduino specifies
two routines, `setup` and `loop`. Before `setup` is called, the
framework initializes hardware. In original Arduino, all this is done in
a `main` function (in C). For contiki we define a process that does the
same.
See the documentation file in apps/contiki-compat/README.md

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#include <arduino-process.h>
AUTOSTART_PROCESSES(&arduino_sketch);

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examples/osd/arduino-weather/flash.sh Executable file
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#!/bin/bash
make TARGET=osd-merkur-128 flash

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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.
*
*
*/
#ifndef PROJECT_RPL_WEB_CONF_H_
#define PROJECT_RPL_WEB_CONF_H_
#define PLATFORM_HAS_LEDS 1
//#define PLATFORM_HAS_BUTTON 1
#define PLATFORM_HAS_BATTERY 1
#define SICSLOWPAN_CONF_FRAG 1
#define LOOP_INTERVAL (10 * CLOCK_SECOND)
/* Save energy */
//#define RDC_CONF_PT_YIELD_OFF
/* For Debug: Dont allow MCU sleeping between channel checks */
//#undef RDC_CONF_MCU_SLEEP
//#define RDC_CONF_MCU_SLEEP 0
/* Disabling RDC for demo purposes. Core updates often require more memory. */
/* For projects, optimize memory and enable RDC again. */
// #undef NETSTACK_CONF_RDC
//#define NETSTACK_CONF_RDC nullrdc_driver
/* Increase rpl-border-router IP-buffer when using more than 64. */
#undef REST_MAX_CHUNK_SIZE
#define REST_MAX_CHUNK_SIZE 64
/* Estimate your header size, especially when using Proxy-Uri. */
/*
#undef COAP_MAX_HEADER_SIZE
#define COAP_MAX_HEADER_SIZE 70
*/
/* The IP buffer size must fit all other hops, in particular the border router. */
#undef UIP_CONF_BUFFER_SIZE
#define UIP_CONF_BUFFER_SIZE 256
/* Multiplies with chunk size, be aware of memory constraints. */
#undef COAP_MAX_OPEN_TRANSACTIONS
#define COAP_MAX_OPEN_TRANSACTIONS 4
/* Must be <= open transaction number, default is COAP_MAX_OPEN_TRANSACTIONS-1. */
/*
#undef COAP_MAX_OBSERVERS
#define COAP_MAX_OBSERVERS 2
*/
/* Filtering .well-known/core per query can be disabled to save space. */
/*
#undef COAP_LINK_FORMAT_FILTERING
#define COAP_LINK_FORMAT_FILTERING 0
*/
/* Save some memory for the sky platform. */
/*
#undef NBR_TABLE_CONF_MAX_NEIGHBORS
#define NBR_TABLE_CONF_MAX_NEIGHBORS 10
#undef UIP_CONF_MAX_ROUTES
#define UIP_CONF_MAX_ROUTES 10
*/
/* Reduce 802.15.4 frame queue to save RAM. */
/*
#undef QUEUEBUF_CONF_NUM
#define QUEUEBUF_CONF_NUM 4
*/
/*
#undef SICSLOWPAN_CONF_FRAG
#define SICSLOWPAN_CONF_FRAG 1
*/
#endif /* PROJECT_RPL_WEB_CONF_H_ */

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/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* 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
* Moisture resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_bh1750,
"title=\"Lux status\";rt=\"Lux\"",
res_get_handler,
NULL,
NULL,
NULL);
extern uint16_t lux;
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%d", lux);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'lux':%d}", lux);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

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/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* 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
* Barometer resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_bmp085alt,
"title=\"alt status\";rt=\"alt\"",
res_get_handler,
NULL,
NULL,
NULL);
extern char bmp085alt_s[8];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", bmp085alt_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'temperature':%s}", bmp085alt_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

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/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* 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
* Barometer resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_bmp085atm,
"title=\"atm status\";rt=\"atm\"",
res_get_handler,
NULL,
NULL,
NULL);
extern char bmp085atm_s[8];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", bmp085atm_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'temperature':%s}", bmp085atm_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

79
examples/osd/arduino-weather/resources/res-bmp085press.c Normal file
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/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* 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
* Barometer resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_bmp085press,
"title=\"pressure status\";rt=\"pressure\"",
res_get_handler,
NULL,
NULL,
NULL);
extern char bmp085press_s[8];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", bmp085press_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'pressure':%s}", bmp085press_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

80
examples/osd/arduino-weather/resources/res-htu21dhum.c Normal file
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/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* 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
* Moisture resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_htu21dhum,
"title=\"Moisture status\";rt=\"Moisture\"",
res_get_handler,
NULL,
NULL,
NULL);
extern char htu21d_hum_s[8];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", htu21d_hum_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'moisture':%s}", htu21d_hum_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

79
examples/osd/arduino-weather/resources/res-htu21dtemp.c Normal file
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/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* 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
* Moisture resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_htu21dtemp,
"title=\"Temperature status\";rt=\"Temperatur\"",
res_get_handler,
NULL,
NULL,
NULL);
extern char htu21d_temp_s[8];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", htu21d_temp_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'temperature':%s}", htu21d_temp_s);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
}

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examples/osd/arduino-weather/run.sh Executable file
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#!/bin/bash
# For the ages-old bootloader (before 2014) you want to use
# BOOTLOADER_GET_MAC=0x0001f3a0 as parameter to make below.
make clean TARGET=osd-merkur-128
make TARGET=osd-merkur-128

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examples/osd/arduino-weather/sketch.pde Normal file
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/*
* Sample arduino sketch using contiki features.
* We turn the LED off
* We allow read the moisture sensor
* Unfortunately sleeping for long times in loop() isn't currently
* possible, something turns off the CPU (including PWM outputs) if a
* Proto-Thread is taking too long. We need to find out how to sleep in
* a Contiki-compatible way.
* Note that for a normal arduino sketch you won't have to include any
* of the contiki-specific files here, the sketch should just work.
*/
#include <Wire.h>
#include "Barometer.h"
#include "Adafruit_HTU21DF.h"
#include "BH1750FVI.h"
extern "C" {
#include "arduino-process.h"
#include "rest-engine.h"
extern resource_t res_bh1750, res_htu21dtemp, res_htu21dhum, res_bmp085press,res_bmp085atm,res_bmp085alt, res_battery;
float bmp085temp;
float bmp085press;
float bmp085atm;
float bmp085alt;
char bmp085temp_s[8];
char bmp085press_s[8];
char bmp085atm_s[8];
char bmp085alt_s[8];
Barometer myBarometer;
float htu21d_hum;
float htu21d_temp;
char htu21d_hum_s[8];
char htu21d_temp_s[8];
Adafruit_HTU21DF htu = Adafruit_HTU21DF();
uint16_t lux;
BH1750FVI lightMeter;
#define LED_PIN 4
}
void setup (void)
{
// switch off the led
pinMode(LED_PIN, OUTPUT);
digitalWrite(LED_PIN, HIGH);
// BH1750 sensor
Wire.begin();
lightMeter.begin();
// BMP085 sensor
myBarometer.init();
// htu21d sensor
if (!htu.begin()) {
printf("Couldn't find sensor htu21d !");
}
// init coap resourcen
rest_init_engine ();
rest_activate_resource (&res_bmp085press, "s/press");
rest_activate_resource (&res_bmp085atm, "s/atm");
rest_activate_resource (&res_bmp085alt, "s/alt");
rest_activate_resource (&res_htu21dtemp, "s/temp");
rest_activate_resource (&res_htu21dhum, "s/hum");
rest_activate_resource (&res_bh1750, "s/lux");
rest_activate_resource (&res_battery, "s/battery");
}
// at project-conf.h
// LOOP_INTERVAL (10 * CLOCK_SECOND)
void loop (void)
{
mcu_sleep_off();
// BMP085 Sensor
bmp085temp = myBarometer.bmp085GetTemperature(myBarometer.bmp085ReadUT()); //Get the temperature, bmp085ReadUT MUST be called first
bmp085press = myBarometer.bmp085GetPressure(myBarometer.bmp085ReadUP());//Get the temperature
bmp085alt = myBarometer.calcAltitude(bmp085press); //Uncompensated caculation - in Meters
bmp085atm = bmp085press / 101325;
dtostrf(bmp085temp , 6, 2, bmp085temp_s );
dtostrf(bmp085press , 6, 2, bmp085press_s );
dtostrf(bmp085alt , 6, 2, bmp085alt_s );
dtostrf(bmp085atm , 6, 2, bmp085atm_s );
// remove space
if(bmp085temp_s[0]==' '){
memcpy (bmp085temp_s,bmp085temp_s+1,strlen(bmp085temp_s)+1);
}
if(bmp085press_s[0]==' '){
memcpy (bmp085press_s,bmp085press_s+1,strlen(bmp085press_s)+1);
}
if(bmp085alt_s[0]==' '){
memcpy (bmp085alt_s,bmp085alt_s+1,strlen(bmp085alt_s)+1);
}
if(bmp085atm_s[0]==' '){
memcpy (bmp085atm_s,bmp085atm_s+1,strlen(bmp085atm_s)+1);
}
// HTU21d Sensor
htu21d_temp = htu.readTemperature();
htu21d_hum = htu.readHumidity();
dtostrf(htu21d_temp , 6, 2, htu21d_temp_s );
dtostrf(htu21d_hum , 6, 2, htu21d_hum_s );
// remove space
if(htu21d_temp_s[0]==' '){
memcpy (htu21d_temp_s,htu21d_temp_s+1,strlen(htu21d_temp_s)+1);
}
if(htu21d_hum_s[0]==' '){
memcpy (htu21d_hum_s,htu21d_hum_s+1,strlen(htu21d_hum_s)+1);
}
// BH1750
lux = lightMeter.getLightLevel();
// Debug Print
printf("BMP085");
printf("\t\tPress: %s\n",bmp085press_s);
printf("\t\tAltitude: %s\n",bmp085alt_s);
printf("\t\tatm: %s\n",bmp085atm_s);
printf("\t\tHTU21d");
printf("\t\tTemp: %s",htu21d_temp_s);
printf("\t\tHum: %s\n",htu21d_hum_s);
printf("\t\tBH1750");
printf("Lux: %d\n",lux);
mcu_sleep_on();
}