Rx2 timeout Error #21

kranthisai · 2020-10-14T11:58:47Z

Hi,
I get Rx2 timeout error. I followed the instructions from here for initial setup. Here is my lora_node.py
`

#!/usr/bin/env python3
from rak811 import Mode, Rak811

lora = Rak811()
lora.hard_reset()
lora.mode = Mode.LoRaWan
lora.band = 'US915'
lora.set_config(ch_mask = '0,FF00')
lora.set_config(ch_mask = '1,0000')
lora.set_config(ch_mask = '2,0000')
lora.set_config(ch_mask = '3,0000')
lora.set_config(ch_mask = '4,0000')
lora.set_config(app_eui='70BXXXXXXXXX',app_key='EB37CXXXXXXXXXXXXXXXXXXXXX')
lora.join_otaa()
lora.dr = 5
lora.send('Hello world')
lora.close()

`

LoRa Gateway is up and can see online in things network.

The text was updated successfully, but these errors were encountered:

ryanteck · 2020-10-14T12:07:11Z

Hi @kranthisai , I believe we got a ticket which we were looking into. However we'll move it to here for quicker response.

Typically this issue is caused by the node not receiving a response from the Gateway, on the TTN console are you seeing any data on the Log? (Ideally if you could post a screenshot of the traffic that would be ideal).

Could you try moving the ch_mask lines underneath the line where you set your keys at the same time to see if that resolves the issue.

shawaj · 2020-10-14T12:10:35Z

@ryanteck yep I asked @kranthisai to post it here instead so you could see it as well :-)

kranthisai · 2020-10-14T12:13:36Z

Thanks @ryanteck @shawaj for quick response.

I dont see any traffic in the Gateway Logs

I moved the lines ch_mask underneath keys, same output.

ryanteck · 2020-10-14T12:15:45Z

Hmm ok, that's interesting.

Could you try changing the line with '''lora.dr''' from 5 to 3 and try that?

I think that could be why and seems to be someting we missed from the documentation.

kranthisai · 2020-10-14T12:24:04Z

Actually I tried that before. I just tried again. same issue. Also tried to move lora.dr above join_otaa().

ryanteck · 2020-10-14T12:27:48Z

Hmm, it should be 3 for US so I'd keep it at that for now as 5 won't work.

As for being above otaa I don't think that would work.

Is your gateway in the same room as the node? Is it setup for the correct region plan for TTN too?

Thanks

kranthisai · 2020-10-14T12:31:52Z

Yes, Gateway is in same room. Both are setup for us-west region.

ryanteck · 2020-10-14T12:32:37Z

Ok so shouldn't be range issues then.

What brand is your gateway / have you been able to confirm if your gateway is succesfully receviing data from other nodes?

kranthisai · 2020-10-14T12:34:38Z

We are using MokoSmart Gateway. Yes, We see the data from other sensors.
Here is the traffic from other sensors.

ryanteck · 2020-10-14T12:40:15Z

Ok that's handy to know. Looks like it's on the same plan. (As not all US gateways use the same channels).

I do see that it's using SF9 the other sensor so a DR of 1 might be worth trying.

For debugging I would also usually ask that you try the ABP example as well as sometimes it's easier to rectifiy the issue using ABP to then switch back to OTAA.

kranthisai · 2020-10-14T12:43:56Z

tried DR 1 , same error. I will try with ABP

ryanteck · 2020-10-14T12:45:11Z

Thanks, it's not a common error this and also being US915 is harder for us to debug being in Europe.

kranthisai · 2020-10-14T13:00:41Z

I tried with ABP, I dont see any issue in joining to network, however I dont see any gateway traffic

ryanteck · 2020-10-18T21:43:12Z

Hi @kranthisai ,

I will try to replicate this issue on Tuesday

kranthisai · 2020-10-22T12:59:25Z

Hi @ryanteck ,

Thanks. Let me know if you have any update.

ryanteck · 2020-10-22T13:08:25Z

@kranthisai sorry I haven't had a chance to this week yet. I'll see if I can have a look at it over the weekend.

kranthisai · 2020-10-22T13:09:38Z

Thanks @ryanteck

ryanteck · 2020-10-26T16:28:56Z

@kranthisai Unfortunately I didn't get chance over the weekend, but I've started work on trying to replicate this issue this evening. I'll try and get back to you shortly with my results.

ryanteck · 2020-10-27T21:28:12Z

Hi @kranthisai ,

I think I've successfully replicated the issue. I'll now work and see if I can resolve it.

kranthisai · 2020-10-27T21:56:16Z

Awesome. Thanks

…

On Tue, Oct 27, 2020 at 2:28 PM Ryan Walmsley ***@***.***> wrote: Hi @kranthisai <https://github.com/kranthisai> , I think I've successfully replicated the issue. I'll now work and see if I can resolve it. — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#21 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AB5KDHCWLRUNA4LITF6A5DDSM43PZANCNFSM4SQQIEYA> .

-- Thanks & Regards, Kranthi Sai

ryanteck · 2020-10-27T21:57:51Z

Ok, so with OTAA I'm experiencing issues but with ABP I'm not.

With ABP, this following code works for me:

#!/usr/bin/env python3
from rak811 import Mode, Rak811

lora = Rak811()
lora.hard_reset()
lora.mode = Mode.LoRaWan
lora.band = 'US915'
lora.set_config(ch_mask = '0,FF00')
lora.set_config(ch_mask = '1,0000')
lora.set_config(ch_mask = '2,0000')
lora.set_config(ch_mask = '3,0000')
lora.set_config(ch_mask = '4,0000')
lora.set_config(dev_addr="", nwks_key="", apps_key="")



lora.join_abp()

lora.dr = 3

lora.send('Hello world')
lora.close()

I'll continue to try and see what I need to do to get OTAA working.

ryanteck · 2020-10-27T22:07:48Z

Hi @kranthisai ,

It turns out actually OTAA is working fine on my unit too. I had incorrectly configured my gateway.

My OTAA code is


#!/usr/bin/env python3
from rak811 import Mode, Rak811

lora = Rak811()
lora.hard_reset()
lora.mode = Mode.LoRaWan
lora.band = 'US915'
lora.set_config(ch_mask = '0,FF00')
lora.set_config(ch_mask = '1,0000')
lora.set_config(ch_mask = '2,0000')
lora.set_config(ch_mask = '3,0000')
lora.set_config(ch_mask = '4,0000')
lora.set_config(dev_eui='',app_eui='',app_key='')

#lora.dr = 3

lora.join_otaa()

lora.dr = 3

lora.send('Hello world')
lora.close()

My gateway log is as shown

ryanteck · 2020-11-03T12:00:07Z

Hi @kranthisai ,

I was wondering if you had a chance to test the above code and let me know the output?

kranthisai · 2020-11-03T15:05:43Z

Hi Ryan, I will test today and let you know. Thanks

…

On Tue, Nov 3, 2020 at 5:00 AM Ryan Walmsley ***@***.***> wrote: Hi @kranthisai <https://github.com/kranthisai> , I was wondering if you had a chance to test the above code and let me know the output? — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#21 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AB5KDHDI2AO4KN2YUAQ5MULSN7WFLANCNFSM4SQQIEYA> .

-- Thanks & Regards, Kranthi Sai

kranthisai · 2020-11-05T06:48:13Z

Sorry. didn't get a chance. Will update over the weekend.

…

On Tue, Nov 3, 2020, 8:05 AM kranthi sai ***@***.***> wrote: Hi Ryan, I will test today and let you know. Thanks On Tue, Nov 3, 2020 at 5:00 AM Ryan Walmsley ***@***.***> wrote: > Hi @kranthisai <https://github.com/kranthisai> , > > I was wondering if you had a chance to test the above code and let me > know the output? > > — > You are receiving this because you were mentioned. > Reply to this email directly, view it on GitHub > <#21 (comment)>, > or unsubscribe > <https://github.com/notifications/unsubscribe-auth/AB5KDHDI2AO4KN2YUAQ5MULSN7WFLANCNFSM4SQQIEYA> > . > -- Thanks & Regards, Kranthi Sai

ryanteck · 2020-11-05T11:21:59Z

No worries I'm the same sometimes!

kranthisai · 2020-11-09T03:52:50Z

Not sure what it was, its not working with our lora gateway. We will buy things network lora gateway and test on that.

ryanteck · 2020-11-15T10:37:47Z

Hi @kranthisai ,

I've only recently found out, for the Dev EUI how are you getting this?

I've been informed that on new batches there may be a sticker on the unit that says it, but our guide says to use the software's output and that these might mismatch.

ryanteck · 2020-11-16T13:47:27Z

Hi @panban-ux , this doesn't look like the same issue so I'll move it to it's own ticket.

kranthisai · 2020-11-17T13:59:13Z

Hi @ryanteck ,

I used the software output from the docs to get Dev EUI. I see there is a mismatch. I should use from the one on sticker?

Thanks,
Kranthi

ryanteck · 2020-11-17T14:04:51Z

Hi @kranthisai ,

The software one would be the correct one, I just wanted to check as another customer had an issue but was using the one on the sticker not the software.

That rules that out being an issue. Hmm

panban-ux · 2020-11-17T20:35:06Z

i confirm on working using the sticker devEUI

ryanteck · 2020-11-17T20:36:34Z

@panban-ux I believe this is because in your code you set the variable dev_eui with the one on the sticker which would work as it changes the dev_eui back to the one on the sticker.

As default they are different hence me checking.

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Rx2 timeout Error #21

Rx2 timeout Error #21

kranthisai commented Oct 14, 2020 •

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Rx2 timeout Error #21

Rx2 timeout Error #21

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