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proiecte:sparrowv3-devicehub

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proiecte:sparrowv3-devicehub [2015/10/06 02:28]
alex.marin [Monitoring project] 		proiecte:sparrowv3-devicehub [2015/10/08 01:01] (current)
alex.marin [SHT21 library]
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 <imgcaption sparrowv3 | Sparrow v3.2 Wireless Sensor Node>{{ :sparrowv3.png?800 | }}</imgcaption> <imgcaption sparrowv3 | Sparrow v3.2 Wireless Sensor Node>{{ :sparrowv3.png?800 | }}</imgcaption>
-==== Using Zigduino support in Arduino IDE ====+==== Adding the Sparrow Board to the Arduino IDE ====
  
-Zigduino is an Arduino compatible shield which has, as well as Sparrow v3, an Atmega128RFA1 micro controller. In terms of software support, everything has been implemented in a branch forked from the Arduino official repository. We used the Zigduino support in order to program Sparrow v3 through Arduino IDE.+  - Download [[https://www.arduino.cc/en/Main/Software|Arduino]] 
 +  - Download and unzip the {{:sparrow_patch.zip|patch}} in a separate folder 
 +  - Locate the installation folder of Arduino on your drive (for Windows it's usually Program Files) 
 +  - Copy in **Arduino\hardware\arduino\cores** the contents of the folder **sparrow_patch\Arduino\hardware\arduino\cores\sparrow** 
 +  - Replace the file **Arduino\hardware\arduino\boards.txt** with **sparrow_patch\Arduino\hardware\arduino\boards.txt** 
 +  - Copy in **Arduino\hardware\arduino\variants** the folder named **sparrow** from **sparrow_patch\Arduino\hardware\arduino\variants** 
 +  - Restart the Arduino IDE
  
-One should follow the steps below for being able to program a Sparrow WSN using Arduino IDE:+After a successful patch, you should be able to select a new board named Sparrow from the Tools>Board menu. Also select the appropriate COM port from the Tools>Port menu 
 +{{ :arduino.png?500 |}} 
 +You're all set up!
  
-1. Install Arduino IDE: http://www.arduino.cc/en/Main/Software+=== Optional Step: If Your Nodes Don't Come With a Preinstalled Bootloader ===
  
-2. Download Zigduino-1.0 archive: https://github.com/logos-electromechanical/Zigduino-1.0+The binary will be installed on flash memory through a bootloader. Most probably Sparrow v3 will come with the bootloader already installed, but in case it won't or in case it somehow gets erased, one will need to install it. You can download the bootloader from {{::atmegaboot_168_atmega128rfa1.zip|here}}.
  
-3. Replace folder //Arduino\hardware\tools\avr// with //Zigduino-1.0-new-extension\hardware\tools\avr// 
- 
-4. Copy in //Arduino\hardware\arduino\cores// folder //Zigduino-1.0-new-extension\hardware\arduino\cores\zigduino// 
- 
-5. Replace file //Arduino\hardware\arduino\boards.txt// with //Zigduino-1.0-new-extension\hardware\arduino\boards.txt// 
- 
-6. Copy in //Arduino\hardware\arduino\variants// folders //zigduino _r1// and //zigduino_r2// from //Zigduino-1.0-new-extension\hardware\arduino\variants// 
- 
-Now you should see two new entries for Zigduino in //Tools->Boards// (Arduino IDE menu).  
- 
-NOTE: If Arduino IDE was already started, a restart will be needed. 
- 
-The binary will be installed on flash memory through a bootloader. Most probably Sparrow v3 will come with the bootloader already installed, but in case it won't or in case it somehow gets erased, one will need to install it. We used the bootloader described by the following address: //Zigduino-1.0-new-extension\hardware\arduino\bootloaders\atmega\ATmegaBOOT_168_atmega128rfa1.hex//. 
 In order to install the bootloader, a flash programmer will be needed (we used AVRISP mkII). We then installed AtmelStudio and used its built in Flash Programmer utility (//Tools->Device Programming// in AtmelStudio menu). In order to install the bootloader, a flash programmer will be needed (we used AVRISP mkII). We then installed AtmelStudio and used its built in Flash Programmer utility (//Tools->Device Programming// in AtmelStudio menu).
 +Fusebits: EXT 0XFE, HI 0xD0, LO 0xF7
  
 ===== Simple test program ===== ===== Simple test program =====
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 2. In //Tools->Programmer// choose //USBasp// 2. In //Tools->Programmer// choose //USBasp//
  
-3. In //Tools->Board// select //Zigduino_r1//+3. In //Tools->Board// select //Sparrow//
  
 4. From //Tools->Serial Port// choose the COM port to which the node was connected 4. From //Tools->Serial Port// choose the COM port to which the node was connected
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 ===== SHT21 library ===== ===== SHT21 library =====
  
-There is one more thing that we must take care of before we can start playing with our WSN monitoring project. We'll need a library for reading values from SHT21, our relative humidity and temperature sensor, connected to the micro controller through an I2C interface. You'll need to use the attached files (TODO insert link towards .h and .cpp) in the following way:+There is one more thing that we must take care of before we can start playing with our WSN monitoring project. We'll need a library for reading values from SHT21, our relative humidity and temperature sensor, connected to the micro controller through an I2C interface. You'll need to use the files stored in this {{:proiecte:sht21.zip| archive}} in the following way:
  
 1. In folder //Arduino\libraries// create a new folder, named //sht21// 1. In folder //Arduino\libraries// create a new folder, named //sht21//
  
-2. Copy the attached files in it+2. Copy the files from the attached archive in it
  
 After this it will be possible to import sht21.h header into a project, as you'll see below. After this it will be possible to import sht21.h header into a project, as you'll see below.
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 Below you can see the Devicehub API we've used to monitor the parameters read by our Wireless Sensor Nodes. For simplicity, the code below is an example for only one monitoring node. If you'll use multiple nodes you'll need to add sensors / devices on Devicehub for each of them, then add code in the script for each of them. Of course, you'll also need to add your own PROJECT_ID, DEVICE_UUID and API_KEY as shown in the script below. Below you can see the Devicehub API we've used to monitor the parameters read by our Wireless Sensor Nodes. For simplicity, the code below is an example for only one monitoring node. If you'll use multiple nodes you'll need to add sensors / devices on Devicehub for each of them, then add code in the script for each of them. Of course, you'll also need to add your own PROJECT_ID, DEVICE_UUID and API_KEY as shown in the script below.
  
-One thing which should be mentioned is that we've empirically saw that the voltage ADC reported value is directly proportional in terms of volts with 1/71, hence we are dividing the ADC value to 71, as you can see below. +One thing which should be mentioned is that we've empirically saw that the voltage ADC reported value is directly proportional in terms of volts with 1/71, hence we are dividing the ADC value to 71.
  
 <code python> <code python>
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  device.send()   device.send()
 </code> </code>
 +
 +You can see below some snapshots from Devicehub.net for one of our nodes.
 +
 +<imgcaption sensors | Sensor on Devicehub for each node>{{ proiecte:sensors.png?800 | }}</imgcaption>
 +<imgcaption sensors1 | Light sensor>{{ proiecte:id7_light.png?800 | }}</imgcaption>
 +<imgcaption sensors2 | Relative humidity sensor>{{ proiecte:id7_relhumid.png?800 | }}</imgcaption>
 +<imgcaption sensors3 | Temperature Sensor>{{ proiecte:id7_temp.png?800 | }}</imgcaption>
proiecte/sparrowv3-devicehub.1444087726.txt.gz · Last modified: 2015/10/06 02:28 by alex.marin

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