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asset_tracker trouble at startup

asset_tracker is starting, but modem_configure does not return in ().

What could be the cause?

  • That is correct, yes. The sample should simply enable you to communicate directly with the modem over UART. You can read more about it in the documentation. Lets step back a little and try from the beginning. 

    1. Download the latest Thingy:91 firmware.
    2. Flash img_app_bl/thingy91_nrf52_connectivity_bridge_2020-10-30_5522ca2b.hex to the nRF52840
    3. Flash img_app_bli/thingy91_at_client_2020-10-30_5522ca2b.hex to the nRF9160
    4. Open LTE link monitor and see of you can find the device (make sure USB is connected). Try with and without Auto device/port filter enabled if it doesn't show up.
    5. Send the command "AT+CFUN=1"
    6. Send the command "AT+CFUN?"
    7. Wait 1 minute.
    8. Send "AT+CFUN?" again.
    9. Post the log here.

    This is just to verify that the Thingy can in fact connect using the original code.

    Best regards,
    Carl Richard

  • I wrote both hex files in Programmer.

    We launched LTE Link Monitor, which is still "No devices available".

    I removed j-link and tried connecting the PC and Thingy:91 directly to USB, but there was no change.

    The J-Link RTT Viewer can connect.

  • Hi again!

    If you are able to connect with J-Link RTT Viewer that means that a debugger is still connected to the computer, and you are likely connected to that and not the Thingy. Are you able to send me a picture of your setup?

     I know this isn't related to your actual issue, but it could help us solve it. In addition, please update the modem firmware.

    Best regards,
    Carl Richard

  • Because it was a dedicated cable for charging,
    I was able to connect it when I changed it to a cable that can communicate.

    log file

    2021-02-10T05:46:36.732Z INFO Application data folder: C:\Users\m-koike\AppData\Roaming\nrfconnect\pc-nrfconnect-linkmonitor
    2021-02-10T05:46:36.761Z DEBUG App pc-nrfconnect-linkmonitor v1.1.10 official
    2021-02-10T05:46:36.761Z DEBUG App path: C:\Users\m-koike\.nrfconnect-apps\node_modules\pc-nrfconnect-linkmonitor
    2021-02-10T05:46:36.761Z DEBUG nRFConnect 3.6.1 is supported by the app (^3.6.0)
    2021-02-10T05:46:36.761Z DEBUG nRFConnect path: C:\Users\m-koike\AppData\Local\Programs\nrfconnect\resources\app.asar
    2021-02-10T05:46:36.761Z DEBUG HomeDir: C:\Users\m-koike
    2021-02-10T05:46:36.761Z DEBUG TmpDir: C:\Users\m-koike\AppData\Local\Temp
    2021-02-10T05:46:50.211Z INFO Modem port is opened
    2021-02-10T05:46:50.217Z DEBUG modem >> AT+CFUN?
    2021-02-10T05:46:50.428Z DEBUG modem << +CFUN: 0
    2021-02-10T05:46:50.431Z DEBUG modem << OK
    2021-02-10T05:47:03.153Z INFO Modem port is closed
    2021-02-10T05:47:03.194Z INFO Modem port is opened
    2021-02-10T05:47:03.199Z DEBUG modem >> AT+CFUN?
    2021-02-10T05:47:03.215Z DEBUG modem << +CFUN: 0
    2021-02-10T05:47:03.216Z DEBUG modem << OK
    2021-02-10T05:49:34.794Z INFO Modem port is closed
    2021-02-10T05:49:34.804Z INFO Modem port is opened
    2021-02-10T05:49:34.811Z DEBUG modem >> AT+CFUN?
    2021-02-10T05:49:34.827Z DEBUG modem << +CFUN: 0
    2021-02-10T05:49:34.829Z DEBUG modem << OK
    2021-02-10T05:59:37.393Z DEBUG modem >> AT+CFUN=1
    2021-02-10T05:59:37.439Z DEBUG modem << OK
    2021-02-10T06:01:39.533Z INFO Modem port is closed
    2021-02-10T06:01:39.546Z INFO Modem port is opened
    2021-02-10T06:01:39.549Z DEBUG modem >> AT+CFUN?
    2021-02-10T06:01:39.558Z DEBUG modem << +CFUN: 1
    2021-02-10T06:01:39.559Z DEBUG modem << OK
    2021-02-10T06:01:39.565Z DEBUG modem >> AT+CGSN=1
    2021-02-10T06:01:39.574Z DEBUG modem << +CGSN: "352656101122565"
    2021-02-10T06:01:39.575Z DEBUG modem << OK
    2021-02-10T06:01:39.578Z DEBUG modem >> AT+CGMI
    2021-02-10T06:01:39.587Z DEBUG modem << Nordic Semiconductor ASA
    2021-02-10T06:01:39.589Z DEBUG modem << OK
    2021-02-10T06:01:39.594Z DEBUG modem >> AT+CGMM
    2021-02-10T06:01:39.603Z DEBUG modem << nRF9160-SICA
    2021-02-10T06:01:39.605Z DEBUG modem << OK
    2021-02-10T06:01:39.608Z DEBUG modem >> AT+CGMR
    2021-02-10T06:01:39.615Z DEBUG modem << mfw_nrf9160_1.1.1
    2021-02-10T06:01:39.616Z DEBUG modem << OK
    2021-02-10T06:01:39.617Z INFO Nordic Semiconductor ASA nRF9160-SICA [mfw_nrf9160_1.1.1] SerNr: 352656101122565
    2021-02-10T06:01:39.620Z DEBUG modem >> AT+CEMODE?
    2021-02-10T06:01:39.628Z DEBUG modem << +CEMODE: 2
    2021-02-10T06:01:39.629Z DEBUG modem << OK
    2021-02-10T06:01:39.637Z DEBUG modem >> AT%XCBAND=?
    2021-02-10T06:01:39.647Z DEBUG modem << %XCBAND: (1,2,3,4,5,8,12,13,17,19,20,25,26,28,66)
    2021-02-10T06:01:39.651Z DEBUG modem << OK
    2021-02-10T06:01:39.661Z DEBUG modem >> AT+CMEE?
    2021-02-10T06:01:39.670Z DEBUG modem << +CMEE: 0
    2021-02-10T06:01:39.672Z DEBUG modem << OK
    2021-02-10T06:01:39.675Z DEBUG modem >> AT+CMEE=1
    2021-02-10T06:01:39.680Z DEBUG modem << OK
    2021-02-10T06:01:39.686Z DEBUG modem >> AT+CNEC?
    2021-02-10T06:01:39.694Z DEBUG modem << +CNEC: 0
    2021-02-10T06:01:39.695Z DEBUG modem << OK
    2021-02-10T06:01:39.698Z DEBUG modem >> AT+CNEC=24
    2021-02-10T06:01:39.704Z DEBUG modem << OK
    2021-02-10T06:01:39.707Z DEBUG modem >> AT+CGEREP?
    2021-02-10T06:01:39.713Z DEBUG modem << +CGEREP: 0,0
    2021-02-10T06:01:39.714Z DEBUG modem << OK
    2021-02-10T06:01:39.720Z DEBUG modem >> AT+CGDCONT?
    2021-02-10T06:01:39.725Z DEBUG modem << OK
    2021-02-10T06:01:39.728Z DEBUG modem >> AT+CGACT?
    2021-02-10T06:01:39.737Z DEBUG modem << OK
    2021-02-10T06:01:39.740Z DEBUG modem >> AT+CGEREP=1
    2021-02-10T06:01:39.746Z DEBUG modem << OK
    2021-02-10T06:01:39.749Z DEBUG modem >> AT+CIND=1,1,1
    2021-02-10T06:01:39.756Z DEBUG modem << OK
    2021-02-10T06:01:39.758Z DEBUG modem >> AT+CEREG=5
    2021-02-10T06:01:39.763Z DEBUG modem << OK
    2021-02-10T06:01:39.765Z DEBUG modem >> AT+CEREG?
    2021-02-10T06:01:39.776Z DEBUG modem << +CEREG: 5,90,"FFFE","FFFFFFFF",9,0,0,"00000000","00000000"
    2021-02-10T06:01:39.778Z DEBUG modem << OK
    2021-02-10T06:01:39.781Z DEBUG modem >> AT%CESQ=1
    2021-02-10T06:01:39.788Z DEBUG modem << OK
    2021-02-10T06:01:39.792Z DEBUG modem >> AT+CESQ
    2021-02-10T06:01:39.803Z DEBUG modem << +CESQ: 99,99,255,255,255,255
    2021-02-10T06:01:39.804Z DEBUG modem << OK
    2021-02-10T06:01:39.808Z DEBUG modem >> AT%XSIM=1
    2021-02-10T06:01:39.813Z DEBUG modem << OK
    2021-02-10T06:01:39.819Z DEBUG modem >> AT%XSIM?
    2021-02-10T06:01:39.826Z DEBUG modem << %XSIM: 0
    2021-02-10T06:01:39.827Z DEBUG modem << OK
    2021-02-10T06:01:46.659Z DEBUG modem >> AT+CESQ
    2021-02-10T06:01:46.668Z DEBUG modem << +CESQ: 99,99,255,255,255,255
    2021-02-10T06:01:46.671Z DEBUG modem << OK
    2021-02-10T06:01:59.664Z DEBUG modem >> AT+CESQ
    2021-02-10T06:01:59.672Z DEBUG modem << +CESQ: 99,99,255,255,255,255
    2021-02-10T06:01:59.673Z DEBUG modem << OK
    2021-02-10T06:02:12.668Z DEBUG modem >> AT+CESQ
    2021-02-10T06:02:12.678Z DEBUG modem << +CESQ: 99,99,255,255,255,255
    2021-02-10T06:02:12.679Z DEBUG modem << OK
    2021-02-10T06:02:25.656Z DEBUG modem >> AT+CESQ
    2021-02-10T06:02:25.670Z DEBUG modem << +CESQ: 99,99,255,255,255,255
    2021-02-10T06:02:25.673Z DEBUG modem << OK
    2021-02-10T06:02:38.667Z DEBUG modem >> AT+CESQ
    2021-02-10T06:02:38.677Z DEBUG modem << +CESQ: 99,99,255,255,255,255
    2021-02-10T06:02:38.678Z DEBUG modem << OK
    2021-02-10T06:02:51.673Z DEBUG modem >> AT+CESQ
    2021-02-10T06:02:51.684Z DEBUG modem << +CESQ: 99,99,255,255,255,255
    2021-02-10T06:02:51.685Z DEBUG modem << OK
    2021-02-10T06:03:04.655Z DEBUG modem >> AT+CESQ
    2021-02-10T06:03:04.667Z DEBUG modem << +CESQ: 99,99,255,255,255,255
    2021-02-10T06:03:04.670Z DEBUG modem << OK
    

  • Hi again!

    Great that you figured that out! From what I can see it doesn't connect at all. Have you registered the SIM-card as described in the Thingy:91 getting started video?

    Also make sure that the SIM (iBasis) is supported in your area. You can find information about this in the coverage map.

    Best regards,
    Carl Richard

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