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Retry EPUB section build after freeing BLE stack

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When building an EPUB section fails with Bluetooth enabled, temporarily stop the BLE stack to free up memory (~16KB), retry the build, then restart BLE. This works around memory fragmentation caused by the NimBLE stack that prevents allocating the large contiguous buffer needed for inflate/deflate operations. The recovery only runs once per uncached chapter since chapters are cached afterwards.
This commit is contained in:
Justin Mitchell
2026-06-24 16:13:43 -04:00
parent 9ab0b0bfb7
commit 6305777b22
9 changed files with 63 additions and 94 deletions
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src/main.cpp
+2 -2
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@@ -500,8 +500,8 @@ void loop() {
static unsigned long lastMemPrint = 0;
gpio.update();
BleHid.poll(); // drive BLE auto-reconnect + key auto-repeat (no-op when BT off)
mappedInputManager.pollBle(); // drain BLE keys -> logical-button overlay for this frame
BleHid.poll(); // drive BLE auto-reconnect + key auto-repeat (no-op when BT off)
mappedInputManager.pollBle(); // drain BLE keys -> logical-button overlay for this frame
halTiltSensor.update(SETTINGS.tiltPageTurn, SETTINGS.orientation, activityManager.isReaderActivity());
renderer.setFadingFix(SETTINGS.fadingFix);