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Fix ESP32 repeater boot crash-loop on blank/first-boot flash #3314

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Fix ESP32 repeater boot crash-loop on blank/first-boot flash #3314

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13 changes: 12 additions & 1 deletion examples/simple_repeater/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -73,7 +73,18 @@ void setup() {
fs = &InternalFS;
IdentityStore store(InternalFS, "");
#elif defined(ESP32)
SPIFFS.begin(true);
if (!SPIFFS.begin(true)) {
// format-on-mount-fail can itself fail on some boards/first-boots (blank flash).
// Retry with an explicit format before giving up, otherwise callers below will
// read/write against a non-mounted filesystem and get garbage back instead of
// clean failures (observed as SPIFFS mount errors followed by a boot crash-loop).
MESH_DEBUG_PRINTLN("SPIFFS mount failed, retrying with explicit format");
SPIFFS.format();
if (!SPIFFS.begin(true)) {
MESH_DEBUG_PRINTLN("SPIFFS mount failed after format, halting");
halt();
}
}
fs = &SPIFFS;
IdentityStore store(SPIFFS, "/identity");
#elif defined(RP2040_PLATFORM)
Expand Down