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exploring_lorawan [2018/10/29 14:20] – [3. Devices] samerexploring_lorawan [2019/10/23 14:22] – [3. Devices] samer
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 [{{ :lora-pilot-architecture.png?direct&650 | Figure 1. Architecture of the LoRaWAN Platform}}] [{{ :lora-pilot-architecture.png?direct&650 | Figure 1. Architecture of the LoRaWAN Platform}}]
 +
 +{{ :img_20170124_160141.jpg?nolink&400 | Outdoor antenna of ESIB}}
  
 <WRAP center round help 100%> <WRAP center round help 100%>
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 [{{ :app-loraserver.png?direct&600 | Figure 2. Loraserver web interface}}] [{{ :app-loraserver.png?direct&600 | Figure 2. Loraserver web interface}}]
  
-Start by choosing the application named ''IDOE-1819'' to create a new device. You should provide the following information: +Start by choosing the application named ''IoT-Course-19-20'' to create a new device. You should provide the following information: 
-  * A unique device name: ''IDOE-GX'' (where ''X'' is your group number)+  * A unique device name: ''IoT-GX'' (where ''X'' is your group number)
   * The device description   * The device description
-  * A unique device EUI on 64 bits: Random identifiers can be generated on [[https://www.random.org/bytes/]]+  * A unique device EUI on 64 bits: click on the circular arrow to generate a random EUI.
   * A unique application key on 128 bits also obtained by random generation.   * A unique application key on 128 bits also obtained by random generation.
    
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 Devices in the LoRaWAN platform are implemented on Arduino boards with Dragino shields. The combined module as well as the basic configuration steps are presented in [[exploring_lora|Exploring LoRa lab]].  Devices in the LoRaWAN platform are implemented on Arduino boards with Dragino shields. The combined module as well as the basic configuration steps are presented in [[exploring_lora|Exploring LoRa lab]]. 
  
-Start by verifying the installation on your PC of the latest Arduino IDE. Unzip the Arduino {{ :arduino-lmic-master.zip |LMIC library}} and copy it to your sketchbook library folder as detailed in [[https://www.arduino.cc/en/Guide/Libraries]]. Then, download and open the example sketch {{ :example-code-idoe-iot-lab.zip |example-code-idoe-iot-lab.ino}} with Arduino IDE.+Start by verifying the installation on your PC of the latest Arduino IDE. Unzip the Arduino {{ :arduino-lmic-mcci.zip |LMIC library}} and copy it to your sketchbook library folder as detailed in [[https://www.arduino.cc/en/Guide/Libraries]]. Then, download and open the example sketch {{ :example-code-idoe-iot-lab.zip |example-code-idoe-iot-lab.ino}} with Arduino IDE.
  
 Now you should configure your device with the same identifiers ''DEVEUI'' and ''APPKEY'' as in the backend: Now you should configure your device with the same identifiers ''DEVEUI'' and ''APPKEY'' as in the backend:
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 </WRAP> </WRAP>
  
-Let us analyze to radio parameters in the sketch by answering the following questions.+Let us analyze the radio parameters in the sketch by answering the following questions.
  
 <WRAP left round help 100%> <WRAP left round help 100%>
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 </WRAP> </WRAP>
  
-The LMIC library defines a set of events corresponding to the protocol machine state. These events appear in the ''onEvent()'' function.+The LMIC library (see {{ :lmic-v1.5.pdf | documentation}}) defines a set of events corresponding to the protocol machine state. These events appear in the ''onEvent()'' function.
  
 <WRAP left round help 100%> <WRAP left round help 100%>
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 </WRAP> </WRAP>
  
-Now you are ready to compile the sketch and upload it to the LoRaWAN device. Connect the device a USB port on your PC, choose the board type as presented in [[exploring_lora|Exploring LoRa lab]] and select the corresponding port. Compile and upload!+Now you are ready to compile the sketch and upload it to the LoRaWAN device. Connect the device to a USB port on your PC, choose the board type as presented in [[exploring_lora|Exploring LoRa lab]] and select the corresponding port. Compile and upload!
  
 Open the serial monitor in the Arduino IDE at 115200 baud and analyse the debug messages. Open the serial monitor in the Arduino IDE at 115200 baud and analyse the debug messages.
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 <WRAP left round tip 100%> <WRAP left round tip 100%>
-The payload received by the MQTT client is decrypted but encoded in Base64. You should decode it to get the original message. +The payload received by the MQTT client is decrypted but encoded in Base64. You should decode it to get the original message (using for instance [[https://www.base64encode.org]]). 
 </WRAP> </WRAP>
  
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 The payload sent by the MQTT client must be encoded in Base64. The payload sent by the MQTT client must be encoded in Base64.
 </WRAP> </WRAP>
 +
 +You can also download a {{ :mqtt-emoncms-eguz-script.py.zip | python script}} that automates the data retrieval from the MQTT broker .
 ===== -. LoRaWAN Challenges ===== ===== -. LoRaWAN Challenges =====
 Implement and provide technical documentation for each of the following challenges. Implement and provide technical documentation for each of the following challenges.
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 ==== -. The End-to-End Challenge ==== ==== -. The End-to-End Challenge ====
 I can send data from the device to the application. I can send data from the device to the application.
 +
 +<WRAP center round tip 100%>
 +Note that the ''String'' function can be used to cast the message you want to send in a string format.
 +</WRAP>
  
 ==== -. The Downlink Challenge ==== ==== -. The Downlink Challenge ====
exploring_lorawan.txt · Last modified: 2021/11/02 06:31 by samer