[nrf5-demo] Print QR code on boot

[erjiaqing]

No description provided.

[mspang]

Why commented out?

[erjiaqing]

.../chip/chip-demo-202008/third_party/pigweed/repo/.environment/cipd/pigweed/bin/../lib/gcc/arm-none-eabi/9.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libstdc++_nano.a(eh_catch.o): in function `__cxa_get_exception_ptr':
eh_catch.cc:(.text.__cxa_get_exception_ptr+0x0): multiple definition of `__cxa_get_exception_ptr'; obj/third_party/connectedhomeip/examples/platform/nrf528xx/app/support/chip-nrf52840-lock-example.CXXExceptionStubs.cpp.o:.../source/chip/chip-nrf5-qrcode/examples/lock-app/nrf5/out/debug/../../third_party/connectedhomeip/examples/platform/nrf528xx/app/support/CXXExceptionStubs.cpp:77: first defined here

This is caused by STL exceptions introduced by setup payload, which is also the reason of the huge size increase, this is expected to be removed after we have another setup payload implemtation without stl.

[andy31415]

Should we delete instead of commenting out. I generally would try to avoid commented out code.

[wgtdkp]

LGTM

[github-actions]

Size increase report for "gn_nrf-example-build"

File	Section	File	VM

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

[github-actions]

Size increase report for "gn_linux-example-build"

File	Section	File	VM

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

[github-actions]

Size increase report for "nrf-example-build"

File	Section	File	VM
chip-nrf52840-lock-example.out	.text	155576	155576
chip-nrf52840-lock-example.out	.bss	0	5736
chip-nrf52840-lock-example.out	.data	636	636

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

Comparing ./master_artifact/chip-nrf52840-lock-example.out and ./pull_artifact/chip-nrf52840-lock-example.out:

sections,vmsize,filesize
.debug_info,0,317308
.debug_str,0,166467
.text,155576,155576
.strtab,0,115445
.debug_frame,0,87288
.symtab,0,82048
.debug_loc,0,58599
.debug_line,0,43263
[Unmapped],0,41029
.debug_abbrev,0,14883
.debug_macro,0,12606
.debug_ranges,0,9432
.bss,5736,0
.debug_aranges,0,928
.data,636,636
.stabstr,0,52

[github-actions]

Size increase report for "nrfconnect-example-build"

File	Section	File	VM

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

Comparing ./master_artifact/chip-nrf52840-lock-example.elf and ./pull_artifact/chip-nrf52840-lock-example.elf:

sections,vmsize,filesize

[github-actions]

Size increase report for "linux-example-build"

File	Section	File	VM

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

Comparing ./master_artifact/chip-standalone-demo.out and ./pull_artifact/chip-standalone-demo.out:

sections,vmsize,filesize

[github-actions]

Size increase report for "esp32-example-build"

File	Section	File	VM

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

Comparing ./master_artifact/chip-wifi-echo.elf and ./pull_artifact/chip-wifi-echo.elf:

sections,vmsize,filesize

[andy31415]

Should we delete instead of commenting out. I generally would try to avoid commented out code.