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exploring_lorawan [2018/10/29 11:48] – [3. Devices] samerexploring_lorawan [2018/10/29 14:20] – [3. Devices] samer
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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-rcte-iot-lab.zip |example-code-rcte-iot-lab.ino}} with Arduino IDE.+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.
  
-Now you should configure your device with the same identifiers ''APPEUI'', ''DEVEUI'', and ''APPKEY'' as in the backend:+Now you should configure your device with the same identifiers ''DEVEUI'' and ''APPKEY'' as in the backend:
  
 <code c++> <code c++>
-static const u1_t PROGMEM APPEUI[8]= { }; +// Change this! 
-void os_getArtEui (u1_t* buf) { memcpy_P(buf, APPEUI, 8);} +// This should also be in little endian format, see below.
- +
-// This should also be in little endian format, see above.+
 static const u1_t PROGMEM DEVEUI[8]= { }; static const u1_t PROGMEM DEVEUI[8]= { };
 void os_getDevEui (u1_t* buf) { memcpy_P(buf, DEVEUI, 8);} void os_getDevEui (u1_t* buf) { memcpy_P(buf, DEVEUI, 8);}
  
 +// Change this!
 static const u1_t PROGMEM APPKEY[16] = { }; static const u1_t PROGMEM APPKEY[16] = { };
 void os_getDevKey (u1_t* buf) {  memcpy_P(buf, APPKEY, 16);} void os_getDevKey (u1_t* buf) {  memcpy_P(buf, APPKEY, 16);}
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 <WRAP left round tip 100%> <WRAP left round tip 100%>
-Note that the application key is in big endian format. Hence, the key ''0badde1cafe2deca'' should be written as ''0xCA, 0xDE, 0xE2, 0xAF, 0x1C, 0xDE, 0xAD, 0x0B'' in the Arduino sketch.+Note that the device EUI should be in little endian format. Hence, the key, ''0badde1cafe2deca'' should be written as ''0xCA, 0xDE, 0xE2, 0xAF, 0x1C, 0xDE, 0xAD, 0x0B'' in the Arduino sketch.
 </WRAP> </WRAP>
  
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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 ''Arduino/Genuino Mega 2560'' 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 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!
- +
-<WRAP left round tip 100%> +
-For Arduino Mega 2560, additional drivers can be installed on Windows from http://wch.cn/download/CH341SER_ZIP.html. +
-</WRAP>+
  
 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> </WRAP>
  
-Getting back to the backend, you can monitor some important information related to your device. Click on the corresponding node session.+Getting back to the backend, you can monitor some important information related to your device. Click on the corresponding device activation.
  
 <WRAP left round help 100%> <WRAP left round help 100%>
-  * What are the different fields that appear in the node session corresponding to you device?+  * What are the different fields that appear in the device activation corresponding to you device?
   * Explain how each field is created according to the LoRaWAN specification.   * Explain how each field is created according to the LoRaWAN specification.
   * What are the different counters visible at the backend? Explain how they get incremented and how they are used.   * What are the different counters visible at the backend? Explain how they get incremented and how they are used.
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 <code> <code>
 { {
-    "reference": "abcd1234",                  // reference which will be used on ack or error (this can be a random string) 
     "confirmed": false,                        // whether the payload must be sent as confirmed data down or not     "confirmed": false,                        // whether the payload must be sent as confirmed data down or not
     "fPort": 10,                              // FPort to use (must be > 0)     "fPort": 10,                              // FPort to use (must be > 0)
exploring_lorawan.txt · Last modified: 2021/11/02 06:31 by samer