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pbl: add command flash log download and dehash tools #653

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@asyba asyba commented Jan 2, 2026 •
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I added a new pbl command to get the logs from the flash region.
and then a script to deash them (using some other existing scripts) and be able to check the logs.

example:

(.venv) PebbleOS % pbl flash_logs --phone 192.168.1.101 --board asterix                         

Reading flash log region: 0x1FD0000 - 0x1FF0000 (128 KB)

Read 131072 bytes from flash
Saved flash logs to /PebbleOS/flash_logs_2026-01-01_22-03-35.bin

To parse and dehash the logs:
 tools/dehash_flash_logs.py flash_logs_2026-01-01_22-03-35.bin

(.venv) PebbleOS % tools/dehash_flash_logs.py flash_logs_2026-01-01_22-03-35.bin

Successfully parsed 1529 messages. Saved to: flash_logs_2026-01-01_22-03-35_parsed_2026-01-01_22-03-42.txt

? 14:13:49.000 unknown:0> Put bytes cleanup. Tok: 0
? 14:13:49.000 unknown:0> Encountered unknown attribute
? 14:13:49.000 unknown:0> ANCS MSG: Before record_app, app_id=<net.whatsapp.WhatsApp>, num_attrs=40, expiration=0
? 14:13:49.000 unknown:0> RECORD APP: Copying 40 existing attributes
? 14:13:49.000 unknown:0> RECORD APP: Copied AttributeIdMuteExpiration=0
? 14:13:49.000 unknown:0> RECORD APP: Preserving existing AttributeIdMuteExpiration=0

@asyba
pbl: add flash log download and dehash tools
b2f5199 
Implement 'pbl flash_logs' to download raw logs from the watch flash
and 'tools/dehash_flash_logs.py' to parse and dehash them.

Signed-off-by: Federico Bechini <[email protected]>
gmarull
gmarull reviewed Jan 2, 2026
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@asyba asyba force-pushed the flash_logs_tools branch from ab50b7f to 7bbb205 Compare January 3, 2026 00:04
@asyba
pbl: add flash log download and dehash tools
a59ac35 
Code review

Signed-off-by: Federico Bechini <[email protected]>
@asyba asyba force-pushed the flash_logs_tools branch from 7bbb205 to a59ac35 Compare January 3, 2026 00:06
@asyba asyba requested a review from gmarull January 3, 2026 04:00
gmarull
gmarull reviewed Jan 5, 2026
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gmarull
gmarull reviewed Jan 5, 2026
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python_libs/pbl/pbl/commands/flash_logs.py Outdated
'diorite': (0x280000, 0x20000),
'silk': (0x280000, 0x20000),

# Robert / Emery
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@gmarull gmarull Jan 5, 2026

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Obelix is Emery now ;-)

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@asyba asyba Jan 5, 2026

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done

gmarull
gmarull reviewed Jan 5, 2026
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python_libs/pbl/pbl/commands/flash_logs.py
'asterix': (0x1FD0000, 0x20000),

# Obelix
'obelix': (0x1FCF000, 0x20000),
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@gmarull gmarull Jan 5, 2026

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mind adding getafix?

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@asyba asyba Jan 5, 2026

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done

@asyba asyba force-pushed the flash_logs_tools branch from 821eaa4 to 3de79f1 Compare January 5, 2026 15:49
asyba added 2 commits January 5, 2026 12:50
@asyba
pbl: add flash log download and dehash tools
bac532d 
Merge main

Signed-off-by: Federico Bechini <[email protected]>
@asyba
pbl: add flash log download and dehash tools
f44903a 
Code review

Signed-off-by: Federico Bechini <[email protected]>
@asyba asyba force-pushed the flash_logs_tools branch from 3de79f1 to f44903a Compare January 5, 2026 15:50
@asyba asyba requested a review from gmarull January 6, 2026 00:10
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@asyba @gmarull