DRAGINO problems and solutions topic part 1

kelu28 · October 5, 2018, 3:25pm

Not sure to understand your question… (sorry English is not my mother language)

BoRRoZ · October 5, 2018, 4:09pm

how did you get that device EU ?
Within TTN, we assign device address prefixes to “regions” (for example, device addresses in the eu region start with 26 01).

this is a node join

normaljoin

kelu28 · October 5, 2018, 7:05pm

I don’t understand why your question…
but Device address I have come from TTN console.
LSN50= 26011FAC
and
TTN node= 26011CB9

But event data I read on my gateway for LSN50 is without devaddress
{
“gw_id”: “eui-a84041186458ffff”,
“payload”: “AMMuAdB+1bNwFDhgEShCESjjx34H+BI=”,
“dev_eui”: “2811422811603814”,
“lora”: {
“spreading_factor”: 7,
“bandwidth”: 125,
“air_time”: 61696000
},
“coding_rate”: “4/5”,
“timestamp”: “2018-10-05T13:53:58.343Z”,
“rssi”: -111,
“snr”: 9,
“app_eui”: “70B3D57ED0012EC3”,
“frequency”: 868100000000000
}
It’s like my LSN50 want to make OTAA activation but I ask for ABP activation.

glbaum · October 6, 2018, 2:23am

My guess from a simple bit of deduction is perhaps from Objenious/Digimondo. From the Address Space link you shared @BoRRoZ:
0x28/0x29` Germany, Switzerland, China: DIGIMONDO GmbH (0x14)
and this press release:
https://objenious.com/presse/18303/

@kelu28 The reason BoRRoZ made that comment is clear from the link he shared. The information you shared from your console doesn’t match a device that’s Dev EUI was created by TTN. It also doesn’t at least from my reading make it the issue of your problem. But when you set up/added the Device to your console did you input the Dev EUI for your node or did you allow TTN to create it for you? The documentation states it should be something other than x28 which is why BoRRoZ made the comment he did. Just my 2-cents and thoughts though.

kelu28 · October 7, 2018, 8:02pm

I am born the 28 November 1982, And i put the dev_eui by my self ! Must I change this value?

BoRRoZ · October 7, 2018, 8:38pm

see https://www.thethingsnetwork.org/docs/devices/registration.html

kelu28 · October 8, 2018, 12:58pm

So, read the link.
make:
“If you plan to switch to ABP anyway, click the button have one generated for you”
I make it, but the TTN website give me the same Dev EUI.
And naturaly no change.
Have you another idea?
What must I do?

kelu28 · October 9, 2018, 3:08pm

I have contact the dragino support.
They ask me to update my LG01.
Make it but not the solution.
I think the error come from the DEv EUI.
But how to solve it?
my actual parameter for ABP:

DevEui= 00 04 A3 0B 00 1F D3 95
DevAdd= 26011A96
NwkSKey= 95 78 A6 B0 AD 5E 50 BC 1C 40 83 5B 23 56 2B 9C
AppSKey= 3A 66 2E 1B DE 3C 25 E3 29 30 FD E4 2D B6 0B 5A

please help me !

BoRRoZ · October 9, 2018, 3:20pm

ok show us your code (and please format)
we must see the AT commands you send … see wiki

kelu28 · October 9, 2018, 7:31pm

Thanks to help me.
First I make a AT+FDR
then disconnect the jumper and reconnect it.
SW1 is in flash mode
then:
My AT command:

AT+TDC=30000                            
AT+NJM=0
AT+TDC=10000
AT+APPSKEY=3A 66 2E 1B DE 3C 25 E3 29 30 FD E4 2D B6 0B 35
AT+NWKSKEY=95 78 A6 B0 AD 5E 50 BC 1C 40 83 5B 23 56 2B 9C
AT+DEUI=00 04 A3 0B 00 1F D3 95
AT+DADDR=26 01 1A 96
AT+APPEUI=70 B3 D5 7E D0 01 2E C3
AT+JOIN

Each time, the LSN50 say “OK” and finally “Joined”. But on my LG01 gateway I see a join request from the LSN50. Why? I am in ABP mode?
Next I do a reset and the LSN begin to speak in ABP on the only one channel of the LG01, but the gateway never hear anything.

In parallele, if I send AT commands to the LSN50 in order to use OTAA mode and connect to the Objenious Lora network, that work!..

Finally I don’t understand what I make false. Help !

ricaun · October 10, 2018, 2:53am

Hello,

I have a Dragino LG01 gateway too, and oh boy… They did some shit when designing this gateway.
It’s improbable to get a LoRaWAN downlink from this gateway.

You can check the open source code if you understand what’s going on there.

github.com

dragino/Arduino-Profile-Examples/blob/master/libraries/Dragino/examples/LoRa/LoRaWAN/single_pkt_fwd_v004/Single_pkt_fwd_v004.ino

#include <FileIO.h>
#include <Console.h>
#include <Process.h>
#include <SPI.h>
#include <LoRa.h>
const String Sketch_Ver = "single_pkt_fwd_v004";

static float freq, txfreq;
static int SF, CR, txsf;
static long BW, preLen;
static long old_time = millis();
static long new_time;
static unsigned long newtime; 
const long sendpkt_interval = 15000;  // 15 seconds for replay.
const long interval = 60000;          //1min for feeddog.
unsigned long previousMillis = millis();
unsigned long previousMillis_1 = millis();

void getRadioConf();//Get LoRa Radio Configure from LG01
void setLoRaRadio();//Set LoRa Radio

This file has been truncated. show original

The code doesn’t care about any timestamp, that’s mean the gateway doesn’t know the right time to send the downlink to the node.

Usually the node open RX1 and RX2 on a specific time after sending the message, and if the gateway doesn’t have a good time synchronization the device never receive any downlink.

Summarizing… The Dragino LG01 downlink doesn’t work, that’s mean only ABP uplink…

I probably gonna make a code trying to fix this.
Stay tuning!

antonionardella · October 11, 2018, 9:28am

That would be awesome, I am struggling since August to get the downlink working and could not understand why.

wpapendick · October 17, 2018, 6:26am

Hi there.

Hope you can help me.

I cannot connect to TTN, tried a lot, several times but the gateway does not connect to TTN. I do not see the global LED working.

Never seen ;-(

Would be really appreciated if you can help me.

Thanks in advance.

Wolfgang

jwijngaard · October 23, 2018, 11:59am

Hello Wolfgang,

A few more information about your setup. I think you have a card or device off DRAGIO but we need more info else we can’t help.

Johan

jwijngaard · October 23, 2018, 12:08pm

I just installed a “DRAGINO Lora Gateway” LG01-P and connected to the TTN network.
Connection is good and the first data from nodes are tranferd.

This gateway/router is from the DRAGINO “LoRo IoT development Kit”
I put it in the LAN connection mode on my home network.

Comming day we will see if it work’s with the other “Nodes” in to the box Arduino-UNO based.

Johan

jackkc7vlo · October 24, 2018, 8:38pm

I know this is old, but for those who find it, it can be set up.

http://wiki.dragino.com/index.php?title=Connect_to_TTN

shwetal · October 25, 2018, 6:38am

are you using 3.3v pin or 5v pin ? It will be working perfectly at 3.3v

wpapendick · October 25, 2018, 7:52am

Hi Johan,

thank you for your reply.

I just installed the LG-01 S like the Wiki said:
[http://wiki.dragino.com/index.php?title=Connect_to_TTN]

I tried both, the configuration with WAN-port and with WIFI-client. But nothing happens. Drives me crazy.

Do I need to upload also an Arduino scetch to the LG-01? And do I have to start the packet forwarder on the LG-01? If yes, which version and how can I do this?

Thanks in advance.
Wolfgang

jwijngaard · October 25, 2018, 10:03am

Hello Wolfgang,

I have install it with out WAN or Wifi, but connected to the first lan port with a static ip adress on your own lan. (think on the right mask and gateway)

After that we go futher

Yes you need to upload the scetch I used version 4 off it

And then you need to start packetforwarder to LORAWan, as given in the Wiki page.

Regards

Johan

wpapendick · October 25, 2018, 12:00pm

Hi Johann,

thanks.

I have successfully uploaded the hex-file but how canI start it now?

Regards
Wolfgang