ESP32: Wait till NimBLE host-cotroller is synced

[shubhamdp]

Problem

• If NimBLE host-controller is not synced then BLE manager fails to configure advertising data. This is observed when ESP32 is configure to run at 80 MHz CPU frequency.

Change overview

• Waiting on a semaphore to till NimBLE host-controller sync completes.
• Some fixes in temperature-measurement-app/esp32 readme file.
• Added a config option to add 8K RTC memory to heap in unicore mode in temperature-measurement-app/esp32

Testing

• Build, flash and monitor all-clusters-app/esp32 at 80 MHz CPU frequency and BLE manager was able to configure the advertising data.

[CLAassistant]

All committers have signed the CLA.

[dhrishi]

Thanks a lot @shubhamdp! LGTM

[github-actions]

Size increase report for "esp32-example-build" from c65b91c

File	Section	File	VM
chip-shell.elf	.flash.text	92	92
chip-shell.elf	.flash.rodata	48	48
chip-bridge-app.elf	.flash.text	156	156
chip-bridge-app.elf	.flash.rodata	48	48
chip-bridge-app.elf	.dram0.bss	0	8
chip-temperature-measurement-app.elf	.flash.text	24	24
chip-temperature-measurement-app.elf	.dram0.bss	0	8
chip-lock-app.elf	.flash.text	84	84
chip-lock-app.elf	.flash.rodata	56	56
chip-lock-app.elf	.dram0.bss	0	8
chip-ipv6only-app.elf	.flash.text	172	172
chip-all-clusters-app.elf	.flash.text	112	112
chip-all-clusters-app.elf	.flash.rodata	56	56

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

Comparing ./master_artifact/chip-shell.elf and ./pull_artifact/chip-shell.elf:

sections,vmsize,filesize
.debug_info,0,267
.debug_line,0,194
.flash.text,92,92
.strtab,0,63
.debug_loc,0,57
.flash.rodata,48,48
.debug_abbrev,0,28
.debug_ranges,0,24
.debug_str,0,18
.symtab,0,16
.shstrtab,0,1
[Unmapped],0,-140

Comparing ./master_artifact/chip-bridge-app.elf and ./pull_artifact/chip-bridge-app.elf:

sections,vmsize,filesize
.debug_info,0,267
.debug_line,0,194
.flash.text,156,156
.debug_loc,0,65
.strtab,0,63
.flash.rodata,48,48
.debug_abbrev,0,28
.debug_ranges,0,24
.symtab,0,16
.debug_str,0,14
.dram0.bss,8,0
.shstrtab,0,1
[Unmapped],0,-204

Comparing ./master_artifact/chip-persistent-storage.elf and ./pull_artifact/chip-persistent-storage.elf:

sections,vmsize,filesize

Comparing ./master_artifact/chip-temperature-measurement-app.elf and ./pull_artifact/chip-temperature-measurement-app.elf:

sections,vmsize,filesize
.debug_info,0,170
.debug_line,0,87
.strtab,0,63
.debug_abbrev,0,28
.debug_ranges,0,24
.flash.text,24,24
.debug_str,0,17
.symtab,0,16
.dram0.bss,8,0
.shstrtab,0,1
.debug_loc,0,-6
[Unmapped],0,-24

Comparing ./master_artifact/chip-lock-app.elf and ./pull_artifact/chip-lock-app.elf:

sections,vmsize,filesize
.debug_info,0,267
.debug_line,0,194
.debug_loc,0,89
.flash.text,84,84
.strtab,0,63
.flash.rodata,56,56
.debug_abbrev,0,28
.debug_ranges,0,24
.symtab,0,16
.debug_str,0,14
.dram0.bss,8,0
.shstrtab,0,1
[Unmapped],0,-140

Comparing ./master_artifact/chip-ipv6only-app.elf and ./pull_artifact/chip-ipv6only-app.elf:

sections,vmsize,filesize
[Unmapped],0,3924
.flash.text,172,172

Comparing ./master_artifact/chip-pigweed-app.elf and ./pull_artifact/chip-pigweed-app.elf:

sections,vmsize,filesize

Comparing ./master_artifact/chip-all-clusters-app.elf and ./pull_artifact/chip-all-clusters-app.elf:

sections,vmsize,filesize
.debug_info,0,200
.flash.text,112,112
.debug_line,0,104
.strtab,0,63
.flash.rodata,56,56
.debug_loc,0,44
.debug_abbrev,0,28
.debug_str,0,16
.symtab,0,16
.shstrtab,0,1
.debug_frame,0,-8
[Unmapped],0,-168

[dhrishi]

Can this be reviewed and merged? cc @woody-apple