feat(littlefs): Adjust log level during formatting

[JakubAndrysek]

This pull request introduces a minor but important improvement to the LittleFSFS::format() method in LittleFS.cpp. The change temporarily suppresses all ESP logging during the filesystem format operation to reduce log noise and then restores the default log level afterwards.

• Logging control during formatting:
  • Suppresses all ESP logs by setting the log level to ESP_LOG_NONE before calling esp_littlefs_format, and restores the previous log level afterwards to minimise unnecessary log output during the format process.

Implemented the same as in SPIFFS: https://github.com/espressif/arduino-esp32/blob/3.3.4/libraries/SPIFFS/src/SPIFFS.cpp#L93-L106

Fixes:

E (15795) esp_littlefs: mount failed,  (-84)
E (15799) esp_littlefs: Failed to initialize LittleFS
E (31716) task_wdt: esp_task_wdt_reset(707): task not found
E (31722) task_wdt: esp_task_wdt_reset(707): task not found
E (31756) task_wdt: esp_task_wdt_reset(707): task not found
E (31757) task_wdt: esp_task_wdt_reset(707): task not found
E (31758) task_wdt: esp_task_wdt_reset(707): task not found
E (31761) task_wdt: esp_task_wdt_reset(707): task not found
E (31796) task_wdt: esp_task_wdt_reset(707): task not found
E (31797) task_wdt: esp_task_wdt_reset(707): task not found
E (31798) task_wdt: esp_task_wdt_reset(707): task not found
E (31801) task_wdt: esp_task_wdt_reset(707): task not found
E (31806) task_wdt: esp_task_wdt_reset(707): task not found

[github-actions]

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[github-actions]

Memory usage test (comparing PR against master branch)

The table below shows the summary of memory usage change (decrease - increase) in bytes and percentage for each target.

Memory	FLASH [bytes]		FLASH [%]		RAM [bytes]		RAM [%]
Target	DEC	INC	DEC	INC	DEC	INC	DEC	INC
ESP32C5	0	⚠️ +36	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32P4	0	⚠️ +36	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32S3	0	⚠️ +24	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32S2	0	⚠️ +24	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32C3	0	⚠️ +36	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32C6	0	⚠️ +38	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32H2	0	⚠️ +36	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32	0	⚠️ +24	0.00	⚠️ +0.01	0	0	0.00	0.00

Click to expand the detailed deltas report [usage change in BYTES]

Target	ESP32C5		ESP32P4		ESP32S3		ESP32S2		ESP32C3		ESP32C6		ESP32H2		ESP32
Example	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM
libraries/LittleFS/examples/LITTLEFS_test	⚠️ +36	0	⚠️ +36	0	⚠️ +20	0	⚠️ +20	0	⚠️ +36	0	⚠️ +38	0	⚠️ +36	0	⚠️ +20	0
libraries/LittleFS/examples/LITTLEFS_time	⚠️ +36	0	⚠️ +36	0	⚠️ +24	0	⚠️ +24	0	⚠️ +36	0	⚠️ +38	0	-	-	⚠️ +24	0
libraries/WebServer/examples/WebServer	⚠️ +36	0	⚠️ +36	0	⚠️ +16	0	⚠️ +24	0	⚠️ +36	0	⚠️ +36	0	-	-	⚠️ +24	0

[github-actions]

Test Results

 76 files   76 suites   15m 11s ⏱️
 38 tests  38 ✅ 0 💤 0 ❌
241 runs  241 ✅ 0 💤 0 ❌

Results for commit 853a68a.

♻️ This comment has been updated with latest results.

[lucasssvaz]

@JakubAndrysek PTAL

https://github.com/espressif/arduino-esp32/actions/runs/19856936376/job/56898128522#step:10:488

[JakubAndrysek]

Wokwi is failing on GPIO tests with ESP32c6. I have tested running it multiple times locally with the same commands, and it works. Can you please try to re-run this test? There is probably again a timing problem.
The weird thing is that this test has been there for a few weeks, and it has worked perfectly.

[JakubAndrysek]

I have tested to run it in my fork and it works: JakubAndrysek#19