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Harald Pichler 2016-12-06 21:32:33 +01:00
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175
examples/osd/openvoting-box/ChainableLED.cpp Normal file
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/*
* Copyright (C) 2012 Paulo Marques (pjp.marques@gmail.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/* Information about the P9813 protocol obtained from:
* http://www.seeedstudio.com/wiki/index.php?title=Twig_-_Chainable_RGB_LED
*
* HSB to RGB routine adapted from:
* http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript
*/
// --------------------------------------------------------------------------------------
#include "ChainableLED.h"
// Forward declaration
float hue2rgb(float p, float q, float t);
// --------------------------------------------------------------------------------------
ChainableLED::ChainableLED(byte clk_pin, byte data_pin, byte number_of_leds) :
_clk_pin(clk_pin), _data_pin(data_pin), _num_leds(number_of_leds)
{
_led_state = (byte*) calloc(_num_leds*3, sizeof(byte));
}
ChainableLED::~ChainableLED()
{
free(_led_state);
}
// --------------------------------------------------------------------------------------
void ChainableLED::init()
{
pinMode(_clk_pin, OUTPUT);
pinMode(_data_pin, OUTPUT);
for (byte i=0; i<_num_leds; i++)
setColorRGB(i, 0, 0, 0);
}
void ChainableLED::clk(void)
{
digitalWrite(_clk_pin, LOW);
delayMicroseconds(_CLK_PULSE_DELAY);
digitalWrite(_clk_pin, HIGH);
delayMicroseconds(_CLK_PULSE_DELAY);
}
void ChainableLED::sendByte(byte b)
{
// Send one bit at a time, starting with the MSB
for (byte i=0; i<8; i++)
{
// If MSB is 1, write one and clock it, else write 0 and clock
if ((b & 0x80) != 0)
digitalWrite(_data_pin, HIGH);
else
digitalWrite(_data_pin, LOW);
clk();
// Advance to the next bit to send
b <<= 1;
}
}
void ChainableLED::sendColor(byte red, byte green, byte blue)
{
// Start by sending a byte with the format "1 1 /B7 /B6 /G7 /G6 /R7 /R6"
byte prefix = 0b11000000;
if ((blue & 0x80) == 0) prefix|= 0b00100000;
if ((blue & 0x40) == 0) prefix|= 0b00010000;
if ((green & 0x80) == 0) prefix|= 0b00001000;
if ((green & 0x40) == 0) prefix|= 0b00000100;
if ((red & 0x80) == 0) prefix|= 0b00000010;
if ((red & 0x40) == 0) prefix|= 0b00000001;
sendByte(prefix);
// Now must send the 3 colors
sendByte(blue);
sendByte(green);
sendByte(red);
}
void ChainableLED::setColorRGB(byte led, byte red, byte green, byte blue)
{
// Send data frame prefix (32x "0")
sendByte(0x00);
sendByte(0x00);
sendByte(0x00);
sendByte(0x00);
// Send color data for each one of the leds
for (byte i=0; i<_num_leds; i++)
{
if (i == led)
{
_led_state[i*3 + _CL_RED] = red;
_led_state[i*3 + _CL_GREEN] = green;
_led_state[i*3 + _CL_BLUE] = blue;
}
sendColor(_led_state[i*3 + _CL_RED],
_led_state[i*3 + _CL_GREEN],
_led_state[i*3 + _CL_BLUE]);
}
// Terminate data frame (32x "0")
sendByte(0x00);
sendByte(0x00);
sendByte(0x00);
sendByte(0x00);
}
void ChainableLED::setColorHSB(byte led, float hue, float saturation, float brightness)
{
float r, g, b;
hue=constrain(hue, 0.0, 1.0);
saturation=constrain(saturation, 0.0, 1.0);
brightness=constrain(brightness, 0.0, 1.0);
if(saturation == 0.0)
{
r = g = b = brightness;
}
else
{
float q = brightness < 0.5 ?
brightness * (1.0 + saturation) : brightness + saturation - brightness * saturation;
float p = 2.0 * brightness - q;
r = hue2rgb(p, q, hue + 1.0/3.0);
g = hue2rgb(p, q, hue);
b = hue2rgb(p, q, hue - 1.0/3.0);
}
setColorRGB(led, (byte)(255.0*r), (byte)(255.0*g), (byte)(255.0*b));
}
// --------------------------------------------------------------------------------------
float hue2rgb(float p, float q, float t)
{
if (t < 0.0)
t += 1.0;
if(t > 1.0)
t -= 1.0;
if(t < 1.0/6.0)
return p + (q - p) * 6.0 * t;
if(t < 1.0/2.0)
return q;
if(t < 2.0/3.0)
return p + (q - p) * (2.0/3.0 - t) * 6.0;
return p;
}

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examples/osd/openvoting-box/ChainableLED.h Normal file
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/*
Copyright (C) 2012 Paulo Marques (pjp.marques@gmail.com)
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* Library for controlling a chain of RGB LEDs based on the P9813 protocol.
* E.g., supports the Grove Chainable RGB LED product.
*
* Information about the P9813 protocol obtained from:
* http://www.seeedstudio.com/wiki/index.php?title=Twig_-_Chainable_RGB_LED
*/
#ifndef __ChainableLED_h__
#define __ChainableLED_h__
#if defined (SPARK)
#include "application.h"
#else
#include "Arduino.h"
#endif
#define _CL_RED 0
#define _CL_GREEN 1
#define _CL_BLUE 2
#define _CLK_PULSE_DELAY 20
class ChainableLED
{
public:
ChainableLED(byte clk_pin, byte data_pin, byte number_of_leds);
~ChainableLED();
void init();
void setColorRGB(byte led, byte red, byte green, byte blue);
void setColorHSB(byte led, float hue, float saturation, float brightness);
private:
byte _clk_pin;
byte _data_pin;
byte _num_leds;
byte* _led_state;
void clk(void);
void sendByte(byte b);
void sendColor(byte red, byte green, byte blue);
};
#endif

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/*
* Copyright (C) 2012 Paulo Marques (pjp.marques@gmail.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/* Information about the P9813 protocol obtained from:
* http://www.seeedstudio.com/wiki/index.php?title=Twig_-_Chainable_RGB_LED
*
* HSB to RGB routine adapted from:
* http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript
*/
// --------------------------------------------------------------------------------------
#include "ChainableLED.h"
// Forward declaration
float hue2rgb(float p, float q, float t);
// --------------------------------------------------------------------------------------
ChainableLED::ChainableLED(byte clk_pin, byte data_pin, byte number_of_leds) :
_clk_pin(clk_pin), _data_pin(data_pin), _num_leds(number_of_leds)
{
_led_state = (byte*) calloc(_num_leds*3, sizeof(byte));
}
ChainableLED::~ChainableLED()
{
free(_led_state);
}
// --------------------------------------------------------------------------------------
void ChainableLED::init()
{
pinMode(_clk_pin, OUTPUT);
pinMode(_data_pin, OUTPUT);
for (byte i=0; i<_num_leds; i++)
setColorRGB(i, 0, 0, 0);
}
void ChainableLED::clk(void)
{
digitalWrite(_clk_pin, LOW);
delayMicroseconds(_CLK_PULSE_DELAY);
digitalWrite(_clk_pin, HIGH);
delayMicroseconds(_CLK_PULSE_DELAY);
}
void ChainableLED::sendByte(byte b)
{
// Send one bit at a time, starting with the MSB
for (byte i=0; i<8; i++)
{
// If MSB is 1, write one and clock it, else write 0 and clock
if ((b & 0x80) != 0)
digitalWrite(_data_pin, HIGH);
else
digitalWrite(_data_pin, LOW);
clk();
// Advance to the next bit to send
b <<= 1;
}
}
void ChainableLED::sendColor(byte red, byte green, byte blue)
{
// Start by sending a byte with the format "1 1 /B7 /B6 /G7 /G6 /R7 /R6"
byte prefix = 0b11000000;
if ((blue & 0x80) == 0) prefix|= 0b00100000;
if ((blue & 0x40) == 0) prefix|= 0b00010000;
if ((green & 0x80) == 0) prefix|= 0b00001000;
if ((green & 0x40) == 0) prefix|= 0b00000100;
if ((red & 0x80) == 0) prefix|= 0b00000010;
if ((red & 0x40) == 0) prefix|= 0b00000001;
sendByte(prefix);
// Now must send the 3 colors
sendByte(blue);
sendByte(green);
sendByte(red);
}
void ChainableLED::setColorRGB(byte led, byte red, byte green, byte blue)
{
// Send data frame prefix (32x "0")
sendByte(0x00);
sendByte(0x00);
sendByte(0x00);
sendByte(0x00);
// Send color data for each one of the leds
for (byte i=0; i<_num_leds; i++)
{
if (i == led)
{
_led_state[i*3 + _CL_RED] = red;
_led_state[i*3 + _CL_GREEN] = green;
_led_state[i*3 + _CL_BLUE] = blue;
}
sendColor(_led_state[i*3 + _CL_RED],
_led_state[i*3 + _CL_GREEN],
_led_state[i*3 + _CL_BLUE]);
}
// Terminate data frame (32x "0")
sendByte(0x00);
sendByte(0x00);
sendByte(0x00);
sendByte(0x00);
}
void ChainableLED::setColorHSB(byte led, float hue, float saturation, float brightness)
{
float r, g, b;
constrain(hue, 0.0, 1.0);
constrain(saturation, 0.0, 1.0);
constrain(brightness, 0.0, 1.0);
if(saturation == 0.0)
{
r = g = b = brightness;
}
else
{
float q = brightness < 0.5 ?
brightness * (1.0 + saturation) : brightness + saturation - brightness * saturation;
float p = 2.0 * brightness - q;
r = hue2rgb(p, q, hue + 1.0/3.0);
g = hue2rgb(p, q, hue);
b = hue2rgb(p, q, hue - 1.0/3.0);
}
setColorRGB(led, (byte)(255.0*r), (byte)(255.0*g), (byte)(255.0*b));
}
// --------------------------------------------------------------------------------------
float hue2rgb(float p, float q, float t)
{
if (t < 0.0)
t += 1.0;
if(t > 1.0)
t -= 1.0;
if(t < 1.0/6.0)
return p + (q - p) * 6.0 * t;
if(t < 1.0/2.0)
return q;
if(t < 2.0/3.0)
return p + (q - p) * (2.0/3.0 - t) * 6.0;
return p;
}

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/*
Copyright (C) 2012 Paulo Marques (pjp.marques@gmail.com)
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* Library for controlling a chain of RGB LEDs based on the P9813 protocol.
* E.g., supports the Grove Chainable RGB LED product.
*
* Information about the P9813 protocol obtained from:
* http://www.seeedstudio.com/wiki/index.php?title=Twig_-_Chainable_RGB_LED
*/
#ifndef __ChainableLED_h__
#define __ChainableLED_h__
#if defined (SPARK)
#include "application.h"
#else
#include "Arduino.h"
#endif
#define _CL_RED 0
#define _CL_GREEN 1
#define _CL_BLUE 2
#define _CLK_PULSE_DELAY 20
class ChainableLED
{
public:
ChainableLED(byte clk_pin, byte data_pin, byte number_of_leds);
~ChainableLED();
void init();
void setColorRGB(byte led, byte red, byte green, byte blue);
void setColorHSB(byte led, float hue, float saturation, float brightness);
private:
byte _clk_pin;
byte _data_pin;
byte _num_leds;
byte* _led_state;
void clk(void);
void sendByte(byte b);
void sendColor(byte red, byte green, byte blue);
};
#endif

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/*
* Copyright (C) 2012 Paulo Marques (pjp.marques@gmail.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

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ChainableLED
============
Arduino library compatible with Grove Chainable LED and the P9813 chip. It allows controlling a chain of LEDS individually.
Supports both RGB and HSB color spaces for setting the color of each individual LED.
Compatible with [Particle devices](https://www.particle.io/).
[More information on the wiki](https://github.com/pjpmarques/ChainableLED/wiki)
Installation
============
1. Grab the latest version from the release section of GitHub.
(https://github.com/pjpmarques/ChainableLED/releases)
2. Unzip it to your Arduino "libraries" directory.
3. It should be ready to use. Examples are included.
Library Interface
=================
```c++
class ChainableLED {
public:
ChainableLED(byte clk_pin, byte data_pin, byte number_of_leds);
void init();
void setColorRGB(byte led, byte red, byte green, byte blue);
void setColorHSB(byte led, float hue, float saturation, float brightness);
}
```

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examples/osd/openvoting-box/ChainableLED/examples/CycleThroughColors/CycleThroughColors.ino Normal file
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/*
* Example of using the ChainableRGB library for controlling a Grove RGB.
* This code cycles through all the colors in an uniform way. This is accomplished using a HSB color space.
*/
#include <ChainableLED.h>
#define NUM_LEDS 5
ChainableLED leds(7, 8, NUM_LEDS);
void setup()
{
leds.init();
}
float hue = 0.0;
boolean up = true;
void loop()
{
for (byte i=0; i<NUM_LEDS; i++)
leds.setColorHSB(i, hue, 1.0, 0.5);
delay(50);
if (up)
hue+= 0.025;
else
hue-= 0.025;
if (hue>=1.0 && up)
up = false;
else if (hue<=0.0 && !up)
up = true;
}

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examples/osd/openvoting-box/ChainableLED/examples/FadeInOut/FadeInOut.ino Normal file
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/*
* Example of using the ChainableRGB library for controlling a Grove RGB.
* This code fades in an out colors in a strip of leds.
*/
#include <ChainableLED.h>
#define NUM_LEDS 5
ChainableLED leds(7, 8, NUM_LEDS);
void setup()
{
leds.init();
}
byte power = 0;
void loop()
{
for (byte i=0; i<NUM_LEDS; i++)
{
if (i%2 == 0)
leds.setColorRGB(i, power, 0, 0);
else
leds.setColorRGB(i, 0, 255-power, 0);
}
power+= 10;
delay(10);
}

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examples/osd/openvoting-box/ChainableLED/examples/SimpleCycle/SimpleCycle.ino Normal file
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/*
* Example of using the ChainableRGB library for controlling a Grove RGB.
* This code puts a red dot (led) moving along a strip of blue dots.
*/
#include <ChainableLED.h>
#define NUM_LEDS 5
ChainableLED leds(7, 8, NUM_LEDS);
void setup()
{
leds.init();
}
byte pos = 0;
void loop()
{
for (byte i=0; i<NUM_LEDS; i++)
{
if (i==pos)
leds.setColorRGB(i, 255, 0, 0);
else
leds.setColorRGB(i, 0, 0, 255);
}
delay(250);
pos = (pos+1) % NUM_LEDS;
}

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examples/osd/openvoting-box/ChainableLED/keywords.txt Normal file
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#######################################
# Syntax Coloring Map For Ultrasound
#######################################
#######################################
# Datatypes (KEYWORD1)
#######################################
ChainableLED KEYWORD1
#######################################
# Methods and Functions (KEYWORD2)
#######################################
setColorRGB KEYWORD2
setColorHSB KEYWORD2
#######################################
# Constants (LITERAL1)
#######################################

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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\"
PROJECT_SOURCEFILES += ${SKETCH}.cpp ChainableLED.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 += json json-resource
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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examples/osd/openvoting-box/arduino-example.c Normal file
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#include <arduino-process.h>
AUTOSTART_PROCESSES(&arduino_sketch);

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

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examples/osd/openvoting-box/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 LOOP_INTERVAL (CLOCK_SECOND/10)
/* Seeping nodes are host nodes without routing features */
#define UIP_CONF_ROUTER 0
/* For Debug: Dont allow MCU sleeping between channel checks */
//#undef RDC_CONF_MCU_SLEEP
//#define RDC_CONF_MCU_SLEEP 0
/* Save energy */
//#define RDC_CONF_PT_YIELD_OFF
/* 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 8
/* 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
*/
/*
#undef LLSEC802154_CONF_ENABLED
#define LLSEC802154_CONF_ENABLED 1
#undef NETSTACK_CONF_FRAMER
#define NETSTACK_CONF_FRAMER noncoresec_framer
#undef NETSTACK_CONF_LLSEC
#define NETSTACK_CONF_LLSEC noncoresec_driver
#undef NONCORESEC_CONF_SEC_LVL
#define NONCORESEC_CONF_SEC_LVL 1
#define NONCORESEC_CONF_KEY { 0x00 , 0x01 , 0x02 , 0x03 , \
0x04 , 0x05 , 0x06 , 0x07 , \
0x08 , 0x09 , 0x0A , 0x0B , \
0x0C , 0x0D , 0x0E , 0x0F }
*/
#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
* Example resource
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
*/
#include <string.h>
#include "rest-engine.h"
#include "er-coap.h"
#include "dev/button-sensor.h"
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
#define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]", (lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3], (lladdr)->addr[4], (lladdr)->addr[5])
#else
#define PRINTF(...)
#define PRINT6ADDR(addr)
#define PRINTLLADDR(addr)
#endif
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void res_event_handler(void);
/*
* Example for an event resource.
* Additionally takes a period parameter that defines the interval to call [name]_periodic_handler().
* A default post_handler takes care of subscriptions and manages a list of subscribers to notify.
*/
EVENT_RESOURCE(res_event,
"title=\"Event demo\";obs",
res_get_handler,
NULL,
NULL,
NULL,
res_event_handler);
/*
* Use local resource state that is accessed by res_get_handler() and altered by res_event_handler() or PUT or POST.
*/
static int32_t event_counter = 0;
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
int buttonstate = button_sensor.value(0);
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);
REST.set_response_payload(response, buffer, snprintf((char *)buffer, preferred_size, "EVENT %lu STATE %d", event_counter, buttonstate));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
REST.set_response_payload(response, buffer, snprintf((char *)buffer, preferred_size, "{'EVENT':%lu ,'STATE': %d}", event_counter, buttonstate));
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
REST.set_response_payload(response, buffer, snprintf((char *)buffer, preferred_size, "Supporting content-types text/plain and application/json"));
}
/* A post_handler that handles subscriptions/observing will be called for periodic resources by the framework. */
// tell client when to schedule re-registration: 1 Hour
REST.set_header_max_age(response, /* uint32_t, Seconds */ 3600);
}
/*
* Additionally, res_event_handler must be implemented for each EVENT_RESOURCE.
* It is called through <res_name>.trigger(), usually from the server process.
*/
static void
res_event_handler(void)
{
/* Do the update triggered by the event here, e.g., sampling a sensor. */
++event_counter;
/* Usually a condition is defined under with subscribers are notified, e.g., event was above a threshold. */
if(1) {
PRINTF("TICK %u for /%s\n", event_counter, res_event.url);
/* Notify the registered observers which will trigger the res_get_handler to create the response. */
REST.notify_subscribers(&res_event);
}
}

104
examples/osd/openvoting-box/resources/res-led.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
* Door 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);
static void res_post_put_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_led,
"title=\"LED: , POST/PUT mode=on|off\";rt=\"Control\"",
res_get_handler,
res_post_put_handler,
res_post_put_handler,
NULL);
extern uint8_t led_pin;
extern uint8_t led_status;
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", led_status);
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, "{'led':%d}", led_status);
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));
}
}
static void
res_post_put_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
size_t len = 0;
const char *mode = NULL;
int success = 1;
if(success && (len = REST.get_post_variable(request, "mode", &mode))) {
if(strncmp(mode, "on", len) == 0) {
digitalWrite(led_pin, LOW);
led_status=1;
} else if(strncmp(mode, "off", len) == 0) {
digitalWrite(led_pin, HIGH);
led_status=0;
} else {
success = 0;
}
} else {
success = 0;
} if(!success) {
REST.set_response_status(response, REST.status.BAD_REQUEST);
}
}

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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
* rgb resource
* \author
* Harald Pichler <harald@the-develop.net>
*/
#include "contiki.h"
#include <string.h>
#include "rest-engine.h"
#include "generic_resource.h"
#include "Arduino.h"
#include "sketch.h"
extern uint8_t color_rgb [3];
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void res_post_put_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_rgb,
"title=\"LED: , POST/PUT r=10&g=11&b=12\";rt=\"Control\"",
res_get_handler,
res_post_put_handler,
res_post_put_handler,
NULL);
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, "r=%d&g=%d&b=%d",color_rgb [0],color_rgb [1],color_rgb [2] );
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, "{'r':%d\n,'g':%d\n,'b':%d}",color_rgb [0],color_rgb [1],color_rgb [2]);
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));
}
}
static void
res_post_put_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
size_t len = 0;
const char *valr = NULL;
const char *valg = NULL;
const char *valb = NULL;
int success = 1;
if(success && (len = REST.get_post_variable(request, "r", &valr))) {
if(len != 0) {
// printf("r= %s;",valr);
} else {
success = 0;
}
if(success && (len = REST.get_post_variable(request, "g", &valg))) {
if(len != 0) {
// printf("g= %s;",valg);
} else {
success = 0;
}
}
if(success && (len = REST.get_post_variable(request, "b", &valb))) {
if(len != 0) {
// printf("b= %s;\n",valb);
} else {
success = 0;
}
}
if((success) && !color_rgb_from_string (valr, valg, valb)) {
}
} else {
success = 0;
} if(!success) {
REST.set_response_status(response, REST.status.BAD_REQUEST);
}
}
#pragma GCC diagnostic ignored "-Wwrite-strings"
GENERIC_RESOURCE
( red
, RED_LED
, s
, 1
, color_from_string
, color_to_string
);
GENERIC_RESOURCE
( green
, GREEN_LED
, s
, 1
, color_from_string
, color_to_string
);
GENERIC_RESOURCE
( blue
, BLUE_LED
, s
, 1
, color_from_string
, color_to_string
);
#pragma GCC diagnostic pop

127
examples/osd/openvoting-box/resources/res-separate.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
* Example resource
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
*/
#include <string.h>
#include "rest-engine.h"
#include "er-coap-separate.h"
#include "er-coap-transactions.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void res_resume_handler(void);
SEPARATE_RESOURCE(res_separate,
"title=\"Separate demo\"",
res_get_handler,
NULL,
NULL,
NULL,
res_resume_handler);
/* A structure to store the information required for the separate handler */
typedef struct application_separate_store {
/* Provided by Erbium to store generic request information such as remote address and token. */
coap_separate_t request_metadata;
/* Add fields for addition information to be stored for finalizing, e.g.: */
char buffer[16];
} application_separate_store_t;
#define COAP_MAX_OPEN_SEPARATE 2
static uint8_t separate_active = 0;
static application_separate_store_t separate_store[COAP_MAX_OPEN_SEPARATE];
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
/*
* Example allows only one open separate response.
* For multiple, the application must manage the list of stores.
*/
if(separate_active >= COAP_MAX_OPEN_SEPARATE) {
coap_separate_reject();
} else {
++separate_active;
/* Take over and skip response by engine. */
coap_separate_accept(request, &separate_store->request_metadata);
/* Be aware to respect the Block2 option, which is also stored in the coap_separate_t. */
/*
* At the moment, only the minimal information is stored in the store (client address, port, token, MID, type, and Block2).
* Extend the store, if the application requires additional information from this handler.
* buffer is an example field for custom information.
*/
snprintf(separate_store->buffer, sizeof(separate_store->buffer), "StoredInfo");
}
}
static void
res_resume_handler()
{
if(separate_active) {
coap_transaction_t *transaction = NULL;
if((transaction = coap_new_transaction(separate_store->request_metadata.mid, &separate_store->request_metadata.addr, separate_store->request_metadata.port))) {
coap_packet_t response[1]; /* This way the packet can be treated as pointer as usual. */
/* Restore the request information for the response. */
coap_separate_resume(response, &separate_store->request_metadata, REST.status.OK);
coap_set_payload(response, separate_store->buffer, strlen(separate_store->buffer));
/*
* Be aware to respect the Block2 option, which is also stored in the coap_separate_t.
* As it is a critical option, this example resource pretends to handle it for compliance.
*/
coap_set_header_block2(response, separate_store->request_metadata.block2_num, 0, separate_store->request_metadata.block2_size);
/* Warning: No check for serialization error. */
transaction->packet_len = coap_serialize_message(response, transaction->packet);
coap_send_transaction(transaction);
/* The engine will clear the transaction (right after send for NON, after acked for CON). */
/* FIXME there could me more! */
separate_active = 0;
} else {
/*
* Set timer for retry, send error message, ...
* The example simply waits for another button press.
*/
}
} /* if (separate_active) */
}

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examples/osd/openvoting-box/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

16
examples/osd/openvoting-box/sketch.h Normal file
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#ifndef __SKETCH_h__
#define __SKETCH_h__
#ifdef __cplusplus
extern "C" {
#endif
size_t color_to_string (const char *name, const char *uri, char *buf, size_t bsize);
int color_from_string (const char *name, const char *uri, const char *s);
int color_rgb_from_string (const char *r, const char *g, const char *b);
#ifdef __cplusplus
}
#endif
#endif

206
examples/osd/openvoting-box/sketch.pde Executable 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.
*/
extern "C" {
#include "arduino-process.h"
#include "rest-engine.h"
#include "er-coap-engine.h"
#include "generic_resource.h"
#include "net/netstack.h"
#include "dev/button-sensor.h"
#include "ChainableLED.h"
#include "sketch.h"
}
extern resource_t
res_led,
res_rgb,
res_red,
res_green,
res_blue,
res_battery,
res_cputemp,
res_event,
res_separate,
res_server;
uint8_t led_pin=4;
uint8_t led_status;
// coap_server_post
#define REMOTE_PORT UIP_HTONS(COAP_DEFAULT_PORT)
// should be the same :-)
#define UIP_NTOHS(x) UIP_HTONS(x)
#define SERVER_NODE(ip) uip_ip6addr(ip,0xaaaa,0,0,0,0,0,0,0x01)
uip_ipaddr_t server_ipaddr, tmp_addr;
#define NUM_LEDS 1
// Merkurboard grove i2c D8, D9
ChainableLED leds(8, 9, NUM_LEDS);
uint8_t color_rgb [3] = {0, 0, 0};
static uint8_t
name_to_offset (const char * name)
{
uint8_t offset = 0;
if (0 == strcmp (name, "green")) {
offset = 1;
} else if (0 == strcmp (name, "blue")) {
offset = 2;
}
return offset;
}
extern "C" size_t
color_to_string (const char *name, const char *uri, char *buf, size_t bsize)
{
return snprintf (buf, bsize, "%d", color_rgb [name_to_offset (name)]);
}
extern "C" int
color_from_string (const char *name, const char *uri, const char *s)
{
color_rgb [name_to_offset (name)] = atoi (s);
leds.setColorRGB(0,color_rgb [0], color_rgb [1], color_rgb [2]);
return 0;
}
extern "C" int
color_rgb_from_string (const char *r, const char *g, const char *b)
{
// printf("rgb r=%s; g=%s; b=%s;\n",r,g,b);
color_rgb [0] = atoi (r);
color_rgb [1] = atoi (g);
color_rgb [2] = atoi (b);
leds.setColorRGB(0,color_rgb [0], color_rgb [1], color_rgb [2]);
return 0;
}
static size_t
ip_to_string (const char *name, const char *uri, char *buf, size_t bsize)
{
#define IP(x) UIP_NTOHS(server_ipaddr.u16[x])
return snprintf
( buf, bsize, "%x:%x:%x:%x:%x:%x:%x:%x"
, IP(0), IP(1), IP(2), IP(3), IP(4), IP(5), IP(6), IP(7)
);
}
int ip_from_string (const char *name, const char *uri, const char *s)
{
/* Returns 1 if successful, only copy valid address */
if (uiplib_ip6addrconv (s, &tmp_addr)) {
uip_ip6addr_copy (&server_ipaddr, &tmp_addr);
return 0;
}
return -1;
}
#pragma GCC diagnostic ignored "-Wwrite-strings"
GENERIC_RESOURCE
( server_ip
, ip
, ipv6_address
, 1
, ip_from_string
, ip_to_string
);
#pragma GCC diagnostic pop
void setup (void)
{
// switch off the led
pinMode(led_pin, OUTPUT);
digitalWrite(led_pin, HIGH);
led_status=0;
// init chainable led
leds.init();
leds.setColorRGB(0,color_rgb [0], color_rgb [1], color_rgb [2]);
// sensors
SENSORS_ACTIVATE(button_sensor);
// init coap resourcen
rest_init_engine ();
SERVER_NODE (&server_ipaddr);
#pragma GCC diagnostic ignored "-Wwrite-strings"
rest_activate_resource (&res_led, "s/led");
rest_activate_resource (&res_battery, "s/battery");
rest_activate_resource (&res_cputemp, "s/cputemp");
rest_activate_resource(&res_event, "s/button");
rest_activate_resource (&res_server_ip,"button/ip");
rest_activate_resource (&res_red, "led/R");
rest_activate_resource (&res_green, "led/G");
rest_activate_resource (&res_blue, "led/B");
rest_activate_resource (&res_rgb, "led/RGB");
#pragma GCC diagnostic pop
// mcu_sleep_set(64);
// NETSTACK_MAC.off(1);
}
int coap_server_post(void)
{
char buf [25];
static coap_packet_t request [1]; /* Array: treat as pointer */
coap_transaction_t *transaction;
static int32_t levent_counter;
char server_resource [20] = "button";
int buttonstate = button_sensor.value(0);
sprintf (buf, "state=%d&event=%lu",buttonstate,levent_counter++);
// printf("post\n");
// printf ("%s\n", buf);
coap_init_message (request, COAP_TYPE_NON, COAP_PUT, 0);
coap_set_header_uri_path (request, server_resource);
coap_set_header_content_format (request, REST.type.TEXT_PLAIN);
coap_set_payload (request, buf, strlen (buf));
request->mid = coap_get_mid ();
transaction = coap_new_transaction
(request->mid, &server_ipaddr, REMOTE_PORT);
transaction->packet_len = coap_serialize_message
(request, transaction->packet);
coap_send_transaction (transaction);
return 0;
}
void button (void)
{
/* Call the event_handler for this application-specific event. */
res_event.trigger();
/* Also call the separate response example handler. */
res_separate.resume();
/* Call the Coap Server */
coap_server_post();
}
void loop (void)
{
// test chainable led
/*
static byte power=0;
for (byte i=0; i<NUM_LEDS; i++)
{
if (i%2 == 0)
leds.setColorRGB(i, power, 0, 0);
else
leds.setColorRGB(i, 0, 255-power, 0);
}
power+= 10;
*/
}