Build and download Asset Tracker but doesn't work - help!

[jmallett]

I recently purchased a Thingy:91.  Initially it would not connect to the local network.  I purchased a a J-Link programmer and via the nRF Connect Programmer updated the modem firmware and certificates.  Downloaded the latest compiled firmware (thingy91_ltem_2019-11-29_d3130d77.hex - 959kb) and after programming the Thingy:91 got it working and connecting to the network.  Now I can see the data via nrfcloud.com.

I want to modify the Asset Tracker firmware to add my own functionality.  So I downloaded from the repository (https://github.com/NordicPlayground/fw-nrfconnect-nrf) and also got Segger SES environment setup.  It was quite the job getting everything downloaded and configured.  I can compile and build the Asset Tracker project without errors.

The issue I'm having now is identifying the hex file and downloading to the Thingy:91.  I believe it's the Merged.hex that I need to use, however it's a bit smaller than the complied firmware above.  When I build and download the Thingy:91 is unresponsive (red light).  What am I missing here...?

Thanks if you can help!

[Martin Lesund]

Hi jmallet,

Please check which version of nrfjprog you have. (open cmd and type 'nrfjprog -v')

Try to flash via the command line.

The application is located in: <your_project>\build\zephyr 

merged.hex

so let us open the command line in that folder and flash via cmd:

cd build/zephyr
nrfjprog -e && nrfjprog --program merged.hex -f nrf91 -r --verify --sectorerase 

Then post the output of that log.

From SES this should be done:

1. Connect J-link

2. Download zephyr/merged.hex

Best regards,

Martin L.

[jmallett]

Hi Martin

Thanks for the quick reply.

When I run nrfjprog -v in a command line I get "'nrfjprog' is not recognized as an internal or external command,
operable program or batch file.".  Not sure if this installed correctly.

Also when I use SES to program I get the following error:

However I can download the hex program via the Programmer app via nRF Connect utility.  Is this a valid way to program?  It does appear to program the Thingy:91 ok.

I'm still confused as to why my merged.hex is significantly smaller than the pre-compiled hex files.  There are three versions of Asset Tracker - thingy91_ltem_2019-11-29_d3130d77.hex, thingy91_nbiot_2019-11-29_d3130d77.hex and thingy91_nbiot_legacy_pco_2019-11-29_d3130d77.hex.  The LTE-M version of these works for me, is there something I have to set to enable LTE-M in the Asset Tracker firmware before I build it?  I read in this post that SPM is required - am I missing this?: https://devzone.nordicsemi.com/f/nordic-q-a/48048/nrf9160-asset-tracker-confusion

Thanks again

James

[Martin Lesund]

Hi James,
When opening the Asset_tracker project for the Thingy:91, do you have the following settings set? 


Double-check that you are following the same steps as described in the NCS doc when it comes to building and flashing.
Please share the output in SES after the error occurs for additional info:

Using the Programmer app is a valid way to program as well, but it is more convenient doing it in SES when you are developing and testing for quicker flashing.

The question then occurs, how have you connected the Thingy:91 to the PC when you flash the applications?
Are you using a nRF91DK as the programmer or an external Jlink?


If you are just connected via USB, you can only update the application using the Programmer app with the following steps.

---

If nrfjprog is not recognized it is probably because the 'nrfjprog' is in the path found in windows environment variables, or that it's not installed correctly.

(try re-install nrfjprog )

Best regards,

Martin L.

[jmallett]

Hi Martin

These are the settings:

I've followed the NCS doc.  I'm using an external Segger J-Link programmer (educational version).  Ok now I notice that the J-Link is connecting in SES, not sure why it wasn't before:

When I select Target -> Download zephyr/merged.hex the Thingy:9 is programmed.

Here is the output from SES -

Transcript:

Checking project status
Project out of date
Building ‘modules/nrf/samples/spm_subimage-prefix/src/spm_subimage-stamp/spm_subimage-mkdir’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/samples/spm_subimage-prefix/src/spm_subimage-stamp/spm_subimage-download’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/samples/spm_subimage-prefix/src/spm_subimage-stamp/spm_subimage-update’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/samples/spm_subimage-prefix/src/spm_subimage-stamp/spm_subimage-patch’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/samples/spm_subimage-prefix/src/spm_subimage-stamp/spm_subimage-configure’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/samples/spm_subimage-prefix/src/spm_subimage-stamp/spm_subimage-build’ from solution ‘build’ in configuration ‘Common’
1> Combining ‘modules/nrf/samples/spm_subimage-prefix/src/spm_subimage-stamp/spm_subimage-build’
1> ninja: no work to do.
Building ‘modules/nrf/samples/spm_subimage-prefix/src/spm_subimage-stamp/spm_subimage-install’ from solution ‘build’ in configuration ‘Common’
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Building ‘modules/nrf/subsys/net/lib/fota_download/lib..__nrf__subsys__net__lib__fota_download.a’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/net/lib/aws_jobs/lib..__nrf__subsys__net__lib__aws_jobs.a’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/net/lib/aws_fota/lib..__nrf__subsys__net__lib__aws_fota.a’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/dfu/lib..__nrf__subsys__dfu.a’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/fw_info/lib..__nrf__subsys__fw_info.a’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/drivers/sensor/sensor_sim/lib..__nrf__drivers__sensor__sensor_sim.a’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/drivers/gps/nrf9160_gps/lib..__nrf__drivers__gps__nrf9160_gps.a’ from solution ‘build’ in configuration ‘Common’
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1> Combining ‘mcuboot/zephyr/zephyr.hex’
1> ninja: no work to do.
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Building ‘zephyr/drivers/serial/all’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/drivers/net/all’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/drivers/entropy/all’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/drivers/timer/all’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/drivers/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/ext/cjson/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/ext/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/lib/bin/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/lib/bsdlib/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/lib/dk_buttons_and_leds/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/lib/at_cmd/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/lib/at_notif/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/lib/at_host/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/lib/at_cmd_parser/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/lib/lte_link_control/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/lib/modem_info/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/lib/flash_patch/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/lib/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/samples/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/net/lib/cloud/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/net/lib/nrf_cloud/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/net/lib/download_client/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/net/lib/fota_download/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/net/lib/aws_jobs/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/net/lib/aws_fota/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/net/lib/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/net/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/dfu/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/nonsecure/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/fw_info/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/debug/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/partition_manager/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/subsys/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/drivers/sensor/sensor_sim/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/drivers/sensor/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/drivers/net/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/drivers/entropy/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/drivers/gps/nrf9160_gps/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/drivers/gps/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/drivers/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/tests/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrf/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nffs/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/segger/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/mbedtls/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/mcuboot/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/mcumgr/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/tinycbor/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrfxlib/bsdlib/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrfxlib/crypto/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nrfxlib/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/fatfs/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/nordic/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/st/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/libmetal/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/lvgl/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/open-amp/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/openthread/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/littlefs/all’ from solution ‘build’ in configuration ‘Common’
Building ‘modules/mipi-sys-t/all’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/kernel/all’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/cmake/flash/all’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/cmake/usage/all’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/cmake/reports/all’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/all’ from solution ‘build’ in configuration ‘Common’
Building ‘src/motion/all’ from solution ‘build’ in configuration ‘Common’
Building ‘src/ui/all’ from solution ‘build’ in configuration ‘Common’
Building ‘src/cloud_codec/all’ from solution ‘build’ in configuration ‘Common’
Building ‘src/gps_controller/all’ from solution ‘build’ in configuration ‘Common’
Building ‘src/env_sensors/all’ from solution ‘build’ in configuration ‘Common’
Building ‘all’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/merged.hex’ from solution ‘asset_tracker’ in configuration ‘Common’
Build complete

Target:

Connecting ‘J-Link’ using ‘USB’
Connecting to target using SWD
Loaded C:/Users/James/arm_segger_embedded_studio_v430c_win_x64_nordic/bin/JLink_x64.dll
Firmware Version: J-Link EDU Mini V1 compiled Oct 22 2019 16:28:45
DLL Version: 6.56a
Hardware Version: V1.00
Target Voltage: 1.793
Device "NRF9160" selected.
ConfigTargetSettings() start
---Setting ROM table---
ConfigTargetSettings() end
Found SW-DP with ID 0x6BA02477
SWD speed too high. Reduced from 4000 kHz to 2025 kHz for stability
Scanning AP map to find all available APs
AP[7]: Stopped AP scan as end of AP map has been reached
AP[0]: AHB-AP (IDR: 0x84770001)
AP[1]: AHB-AP (IDR: 0x24770011)
AP[2]: JTAG-AP (IDR: 0x12880000)
AP[3]: APB-AP (IDR: 0x54770002)
AP[4]: JTAG-AP (IDR: 0x12880000)
AP[5]: JTAG-AP (IDR: 0x12880000)
AP[6]: CUSTOM-AP (IDR: 0x128800A1)
Iterating through AP map to find AHB-AP to use
AP[0]: Core found
AP[0]: AHB-AP ROM base: 0xE00FF000
CPUID register: 0x410FD212. Implementer code: 0x41 (ARM)
Found Cortex-M33 r0p2, Little endian.
FPUnit: 8 code (BP) slots and 0 literal slots
Security extension: implemented
Secure debug: enabled
CoreSight components:
ROMTbl[0] @ E00FF000
ROMTbl[0][0]: E000E000, CID: B105900D, PID: 000BBD21 Cortex-M33
ROMTbl[0][1]: E0001000, CID: B105900D, PID: 000BBD21 DWT
ROMTbl[0][2]: E0002000, CID: B105900D, PID: 000BBD21 FPB
ROMTbl[0][3]: E0000000, CID: B105900D, PID: 000BBD21 ITM
ROMTbl[0][5]: E0041000, CID: B105900D, PID: 002BBD21 ETM
ROMTbl[0][6]: E0042000, CID: B105900D, PID: 000BBD21 CTI
Preparing target for download
Executing Reset script TargetInterface.resetAndStop()
Reset: Halt core after reset via DEMCR.VC_CORERESET.
Reset: Reset device via AIRCR.SYSRESETREQ.
Downloading ‘merged.hex’ to J-Link
Programming 34.4 KB of addresses 00000000 — 000089bb
Programming 243.5 KB of addresses 0000c000 — 00048e5f
J-Link: Flash download: Bank 2 @ 0x00000000: Skipped. Contents already match
Download successful
Connecting ‘J-Link’ using ‘USB’
Connecting to target using SWD
Loaded C:/Users/James/arm_segger_embedded_studio_v430c_win_x64_nordic/bin/JLink_x64.dll
Firmware Version: J-Link EDU Mini V1 compiled Oct 22 2019 16:28:45
DLL Version: 6.56a
Hardware Version: V1.00
Target Voltage: 1.785
Device "NRF9160" selected.
ConfigTargetSettings() start
---Setting ROM table---
ConfigTargetSettings() end
Found SW-DP with ID 0x6BA02477
SWD speed too high. Reduced from 4000 kHz to 2025 kHz for stability
Scanning AP map to find all available APs
AP[7]: Stopped AP scan as end of AP map has been reached
AP[0]: AHB-AP (IDR: 0x84770001)
AP[1]: AHB-AP (IDR: 0x24770011)
AP[2]: JTAG-AP (IDR: 0x12880000)
AP[3]: APB-AP (IDR: 0x54770002)
AP[4]: JTAG-AP (IDR: 0x12880000)
AP[5]: JTAG-AP (IDR: 0x12880000)
AP[6]: CUSTOM-AP (IDR: 0x128800A1)
Iterating through AP map to find AHB-AP to use
AP[0]: Core found
AP[0]: AHB-AP ROM base: 0xE00FF000
CPUID register: 0x410FD212. Implementer code: 0x41 (ARM)
Found Cortex-M33 r0p2, Little endian.
FPUnit: 8 code (BP) slots and 0 literal slots
Security extension: implemented
Secure debug: enabled
CoreSight components:
ROMTbl[0] @ E00FF000
ROMTbl[0][0]: E000E000, CID: B105900D, PID: 000BBD21 Cortex-M33
ROMTbl[0][1]: E0001000, CID: B105900D, PID: 000BBD21 DWT
ROMTbl[0][2]: E0002000, CID: B105900D, PID: 000BBD21 FPB
ROMTbl[0][3]: E0000000, CID: B105900D, PID: 000BBD21 ITM
ROMTbl[0][5]: E0041000, CID: B105900D, PID: 002BBD21 ETM
ROMTbl[0][6]: E0042000, CID: B105900D, PID: 000BBD21 CTI
Preparing target for download
Executing Reset script TargetInterface.resetAndStop()
Reset: Halt core after reset via DEMCR.VC_CORERESET.
Reset: Reset device via AIRCR.SYSRESETREQ.
Downloading ‘merged.hex’ to J-Link
Programming 34.4 KB of addresses 00000000 — 000089bb
Programming 243.5 KB of addresses 0000c000 — 00048e5f
J-Link: Flash download: Bank 2 @ 0x00000000: Skipped. Contents already match
Download successful

The program does not appear to be executing on the Thingy:91 - no lights are flashing etc.  Am I still missing something with the build/download process?

[Martin Lesund]

Hi James,

You need to build the project for the Thingy:91 and not the nRF91DK:

Board names:

PCA10090 = nRF9160DK

PCA20035 = Thingy:91

Best regards,

Martin L.

[jmallett]

Thanks again Martin - I did miss that.

Ok so here are my settings to confirm:

I did build the solution and download however still not working - no flashing lights or activity.  The merged.hex is now 710kb, still much smaller than the pre-compiled examples.

[Martin Lesund]

Hi James,

What NCS version are you on?

Could you please try to upgrade to the master branch?

cd ncs/nrf
git checkout master
git pull
west update

Then delete the build folder for the asset_tracker sample, and re-build with SES. 

Then try to flash via SES. 

If nothing is happening, please connect a USB to Thingy:91 and open LTE Link Monitor and uncheck: [Automatic requests, Auto device/port filter]

Then select the correct port:

Then you should get out some serial output from the application.

---

Please try via command line (nrfjprog) if SES is not working.

I can confirm that the pre-compiled FW is a bit bigger than the one that you build yourself.

Best regards,

Martin L.

[jmallett]

Thank you so much Martin.

After typing 'git checkout master' I had this error: "Your local changes to the following files would be overwritten by merge .. Please, commit your changes or stash them before you can merge".

So I discarded the local changes by doing this:

1. git reset --hard
2. git checkout master
3. git pull
4. west update

Built the project and flashed the target Thingy:91 with merged.hex (now 781kb) and it works!

Thanks so much for providing help, I very much appreciate it!

James