Getting started with the Thingy:91

RE: Getting started with the Thingy:91

Didrik Rokhaug — Tue, 05 Nov 2019 09:24:32 GMT

Hi.

You can find pre-compiled hex files for the Thingy:91 on our website: https://www.nordicsemi.com/Software-and-Tools/Prototyping-platforms/Nordic-Thingy-91/Download#infotabs

Best regards,

Didrik

RE: Getting started with the Thingy:91

Calin M — Sat, 02 Nov 2019 06:21:00 GMT

I hardcoded the IP address, bu then I get

Connected to LTE network


[00:00:05.122,161]

[0m<dbg> nrf_cloud_transport.nct_connect: IPv4 Address 0x34ce4b60

[0m

cloud_connect failed: -111


LTE link disconnect

Shutdown modem

RE: Getting started with the Thingy:91

Calin M — Sat, 02 Nov 2019 05:55:07 GMT

This is what I get:

***** Booting Zephyr OS build v1.14.99-ncs3-snapshot2-1279-g1c3a001f62e6 *****\x0D\x0A
2019-11-02T05:51:11.749Z DEBUG modem << Asset tracker started\x0D\x0A
2019-11-02T05:51:11.792Z DEBUG modem << [00:00:00.413,757] \x1B[0m<dbg> nrf_cloud_transport.nct_client_id_get: client_id = nrf-352656100833741\x1B[0m\x0D\x0A
2019-11-02T05:51:11.829Z DEBUG modem << [00:00:00.423,095] \x1B[0m<dbg> nrf_cloud_transport.nct_topics_populate: shadow_base_topic: $aws/things/nrf-352656100833741/shadow\x1B[0m\x0D\x0A
2019-11-02T05:51:12.049Z DEBUG modem << [00:00:00.434,875] \x1B[0m<dbg> nrf_cloud_transport.nct_topics_populate: accepted_topic: $aws/things/nrf-352656100833741/shadow/get/accepted\x1B[0m\x0D\x0A
2019-11-02T05:51:12.107Z DEBUG modem << [00:00:00.447,570] \x1B[0m<dbg> nrf_cloud_transport.nct_topics_populate: rejected_topic: $aws/things/nrf-352656100833741/shadow/get/rejected\x1B[0m\x0D\x0A
2019-11-02T05:51:12.149Z DEBUG modem << [00:00:00.460,235] \x1B[0m<dbg> nrf_cloud_transport.nct_topics_populate: update_delta_topic: $aws/things/nrf-352656100833741/shadow/update/delta\x1B[0m\x0D\x0A
2019-11-02T05:51:12.188Z DEBUG modem << [00:00:00.473,266] \x1B[0m<dbg> nrf_cloud_transport.nct_topics_populate: update_topic: $aws/things/nrf-352656100833741/shadow/update\x1B[0m\x0D\x0A
2019-11-02T05:51:12.233Z DEBUG modem << [00:00:00.485,229] \x1B[0m<dbg> nrf_cloud_transport.nct_topics_populate: shadow_get_topic: $aws/things/nrf-352656100833741/shadow/get\x1B[0m\x0D\x0A
2019-11-02T05:51:12.248Z DEBUG modem << Connecting to LTE network. This may take several minutes.\x0D\x0A
2019-11-02T05:51:18.284Z DEBUG modem << [00:00:01.669,128] \x1B[0m<dbg> lte_lc.at_handler: recv: +CEREG: 2,"2B01","01AE1C0B",7\x0D\x0A
2019-11-02T05:51:18.299Z DEBUG modem << \x1B[0m\x0D\x0A
2019-11-02T05:51:18.313Z DEBUG modem << [00:00:03.716,339] \x1B[0m<dbg> lte_lc.at_handler: recv: +CEREG: 1,"2B01","01AE1C0B",7\x0D\x0A
2019-11-02T05:51:18.326Z DEBUG modem << \x1B[0m\x0D\x0A
2019-11-02T05:51:18.339Z DEBUG modem << Connected to LTE network\x0D\x0A
2019-11-02T05:51:18.352Z DEBUG modem << [00:00:03.727,050] \x1B[0m<dbg> nrf_cloud_transport.nct_connect: getaddrinfo failed 22\x1B[0m\x0D\x0A
2019-11-02T05:51:18.371Z DEBUG modem << cloud_connect failed: 22\x0D\x0A
2019-11-02T05:51:18.385Z DEBUG modem << LTE link disconnect\x0D\x0A
2019-11-02T05:51:18.399Z DEBUG modem << Shutdown modem\x0D\x0A

RE: Getting started with the Thingy:91

Calin M — Sat, 02 Nov 2019 05:00:52 GMT

Hi Didrik,

I got a local SIM, not roaming, and finally got it to connect. Then I updated the asset_tracker application from git, and now it seems I cannot send AT commands anymore. I get getddadrinfo failed, probably because the APN is not set and I cannot set it because I cannot send AT commands. Any ideas how I can make it accept AT commands?

Is there a known good version of the asset tracker that works on the thingy and takes AT commands?

Thanks,

Calin

RE: Getting started with the Thingy:91

Didrik Rokhaug — Tue, 24 Sep 2019 07:48:10 GMT

The problems reported with %XMONITOR and CEREG seems to be confusion on the customers part.

The two last values of the CEREG level 5 response is the ones related to PSM, Active-Time (the time after a transmit event when the device is reachable) and Periodic-TAU (the time between regular transmit events to keep the connection alive).

The meaning of the values can be found in 3GPP TS 24.008, section 10.5.7.4, but long story short, when they start with "111" the timers are not active, i.e. you do not have PSM activated.

RE: Getting started with the Thingy:91

Calin M — Tue, 24 Sep 2019 05:42:56 GMT

Thank you Didrik for your reply.

Here is what I get for CEREG level 5

AT+CEREG?
+CEREG: 5,5,"8980","061B8B0B",7,,,"11100000","11100000"

Please let me know if you make any progress.

Cheers,

Calin

RE: Getting started with the Thingy:91

Didrik Rokhaug — Fri, 20 Sep 2019 09:02:22 GMT

Hi, and sorry for the slow response, but due to the TechTour and some sickness we are a bit short on staff with nRF91 experience at the moment.

If I understand correctly, the Hologram SIM card is also roaming? If so, I would expect the performance to be similar to the iBasis SIM card.

The +CPSMS command lets you set and read the requested timer values, and can therefore not be used to check whether those values got accepted.

If you do not get any log messages between the "Searching for satellites [...]" and "Stopping GPS. The device will try again [...]" to my knowledge that means that it has not entered PSM.

For how to check if you are in PSM, you might be able to use the +CEREG with response type 4 or 5, or the %XMONITOR. What we are interested in is the Active-Time and Periodic-TAU values. However, I am currently working on another case which reports some problems with the %XMONITOR command, that probably also includes the +CEREG command.

I will keep you informed about any progress I make.

Best regards,

Didrik

RE: Getting started with the Thingy:91

Calin M — Fri, 20 Sep 2019 07:33:41 GMT

Hi Didrik Rokhaug

Is there a way to enable some debugging in the asset tracker, or run some AT commands and show that the network operator does not support the PSM? PSM is one of the selling features of LTE-M, I find it hard to imagine they turned it off.

Thanks,

Calin

RE: Getting started with the Thingy:91

Calin M — Thu, 19 Sep 2019 05:33:58 GMT

./applications/asset_tracker/build_folder/zephyr/.config:CONFIG_LTE_PSM_REQ_RPTAU="00000110"
./applications/asset_tracker/build_folder/zephyr/.config:CONFIG_LTE_PSM_REQ_RAT="00000000"

Could it be the case that other values for these parameters would work on more networks? In particular, should CONFIG_LTE_PSM_REQ_RAT be all zeros?

Thanks!

RE: Getting started with the Thingy:91

Calin M — Thu, 19 Sep 2019 04:51:25 GMT

Does this mean that it's in PSM mode?

RE: Getting started with the Thingy:91

Calin M — Wed, 18 Sep 2019 18:55:40 GMT

Hi Didrik,

I tested it with both the iBasis and with the hologram sim, and the GPS does not work. I understand from some other post that PSM Enabled in the log does not mean that PSM is actually enabled.

I called the local network operator (Rogers) and it's impossible to get a support person that understands the problem. This is all very new to them, and they don't care enough to provide support to roaming customers.

I wonder if iBasis Tech Support has any insight into why PSM mode is not working on the Rogers network in Canada. Is it working anywhere in the world when roaming with an iBasis card?

Thanks,

Calin

RE: Getting started with the Thingy:91

Didrik Rokhaug — Wed, 18 Sep 2019 14:16:20 GMT

You have to wait for the Thingy to connect to nRF Cloud before activating the GPS.

From the logs, it looks like you are having the same problems as this case:

https://devzone.nordicsemi.com/f/nordic-q-a/52208/socket-error-pollhup

Can you try to delete the Thingy from your nRF Cloud account, and register it again? (from https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/thingy-91-faq)

RE: Getting started with the Thingy:91

Calin M — Wed, 18 Sep 2019 03:54:28 GMT

Hi Didrik Rokhaug

It's hard to get in touch with Rogers support.

Now it's stuck in a reboot loop, here's the log:

https://drive.google.com/drive/folders/1SzWjFYZxjnUnBmiNQCMwtF9f5FmqkEyB?usp=sharing

Looks like there's something wrong with the nrfcloud registration. I used a hologram SIM for a bit, now I switched back to ibasis.

I pressed the button to start the GPS search but it keeps saying I'm pressing it too soon.

Any ideas?

Thanks!

Calin

RE: Getting started with the Thingy:91

Didrik Rokhaug — Tue, 17 Sep 2019 14:12:26 GMT

Hi.

Have you gotten a reply from the network operator?

If not, you can view the log from the Thingy in the Link Monitor (or another serial terminal). If it prints any satellite data (even just reports that it does not see any satellites), it has successfully entered PSM. If on the other side, it does not print anything before the timeout, and it prints a message saying that it tries again, it has not been able to enter PSM.

Best regards,

Didrik

RE: Getting started with the Thingy:91

Calin M — Fri, 13 Sep 2019 00:17:09 GMT

NRF Connect /LTE Monitor is working in Linux. Looks like I am on the Rogers network and using the ibasis.iot APN.

Progress!

RE: Getting started with the Thingy:91

Calin M — Thu, 12 Sep 2019 19:15:43 GMT

Hi Didrik Rokhaug

I understand the USB drivers and the LTE monitor are not working in Windows 7 so I tried in Windows 10. In windows 10, the drivers are working, the LTE monitor does see the thingy on the port, but the AT commands time out. Are the AT commands supposed to work with the original firmware or do I have to flash a different one?

Thanks,

Calin

RE: Getting started with the Thingy:91

Didrik Rokhaug — Thu, 12 Sep 2019 08:53:05 GMT

Hi.

Sadly I have not been able to confirm if this is the issue, but our people in Canada reports similar problems of not getting a GPS fix with iBasis SIM cards.

I would recommend that you contact your local operator, and ask for information from them.

Best regards,

Didrik

RE: Getting started with the Thingy:91

Hoang — Thu, 12 Sep 2019 05:46:31 GMT

[quote userid="24904" url="~/f/nordic-q-a/52002/getting-started-with-the-thingy-91/209263"][/quote]

How do I determine if PSM is allowed or not? I read in another post that the system will report that PSM is enabled, but actually it's not.

If PSM is not allowed, will the thingy not search for GPS, or it will search and not find the GPS?

This was my problem when i tried to use iBasis SIM in Norway ( not support PSM):

https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/thingy-91-faq?CommentId=e30f51a5-eb61-4423-93b2-fb8b193946de

IN the report, it said: PSM enabled, after long_press to active the GPS ( purple leds on), nothing will come, and it will be reset after 360s (CONFIG_GPS_CONTROL_FIX_TRY_TIME=360)

Good luck

Hoang Nguyen

RE: Getting started with the Thingy:91

Calin M — Wed, 11 Sep 2019 17:50:59 GMT

Thank you so much for looking into this!

I'll try again outside. The colour does change to indicate it's searching for GPS, it just doesn't find it.

Please let me know if you find out from the sales manager about the situation in Vancouver, BC

How do I determine if PSM is allowed or not? I read in another post that the system will report that PSM is enabled, but actually it's not.

If PSM is not allowed, will the thingy not search for GPS, or it will search and not find the GPS?

Thank you,

Calin

RE: Getting started with the Thingy:91

Didrik Rokhaug — Wed, 11 Sep 2019 11:17:22 GMT

Hi.

1. As Hoang said, you should try outside. The LED should also change to purple when it is searching for a GPS fix. Also, as he mentioned, PSM might not work with iBasis SIM cards. You need PSM to be able to do LTE and GPS concurrently. I have asked your Regional Sales Manager about the situation in Vancouver.

2. What operating system are you using? If you are using Windows 7, you should watch this case for more information:

https://devzone.nordicsemi.com/f/nordic-q-a/51824/thingy91-usb-drivers

Best regards,

Didrik

RE: Getting started with the Thingy:91

Hoang — Wed, 11 Sep 2019 06:44:43 GMT

Hi Calin M,

[quote userid="24904" url="~/f/nordic-q-a/52002/getting-started-with-the-thingy-91"]1. Keeps blinking blue and does not get a GPS lock.[/quote]

--> connected to nrfcloud

#define UI_CLOUD_CONNECTED_COLOR	UI_LED_COLOR_BLUE

Do you see the LEDs change to Cyan color? -#define UI_LTE_CONNECTED_COLOR UI_LED_COLOR_CYAN

[quote userid="24904" url="~/f/nordic-q-a/52002/getting-started-with-the-thingy-91"]I did leave it near the window.[/quote]

have you tried to put it outside?

[quote userid="24904" url="~/f/nordic-q-a/52002/getting-started-with-the-thingy-91"]I did hold down the button for more than 10 seconds as suggested in another post, to turn on the GPS. [/quote]

Do you see the LEDs change color to purple? The purple color means GPS is searching. I must hold until you see the leds change to purple (after cyan)

I have spent many days to figure out the iBasis SIMs do NOT work with PSM in Norway :( . You should try with a local SIM card with LTE.

[quote userid="24904" url="~/f/nordic-q-a/52002/getting-started-with-the-thingy-91"] Is the LTE Link monitor supposed to work over USB? I connected it via USB but I get "No devices available". I did uncheck auto device port filter.[/quote]

I dont know what is wrong. have you tried to use another app, for example: termite.

Hope it can help.

BR,

Hoang Nguyen