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

[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’
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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.
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1> Combining ‘mcuboot/zephyr/zephyr.hex’
1> ninja: no work to do.
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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