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Pro-Micro DeepSleep Quick Fix

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It is noticed that some nRF52840 boards (pro-micro in particular)
stopped waking up from the deep sleep state (shutdown state)
with a press of a button.
The problem is in a Serial1.end() call.
This commit is contained in:
MagnusKos 2025-07-21 18:14:50 +03:00
parent 60ec05e536
commit 7c45ada631
1 changed files with 5 additions and 1 deletions
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6
src/platform/nrf52/main-nrf52.cpp
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@ -284,8 +284,12 @@ void cpuDeepSleep(uint32_t msecToWake)
#endif
// This may cause crashes as debug messages continue to flow.
Serial.end();
// This causes troubles with waking up on nrf52 (on pro-micro in particular):
// we have no Serial1 in use on nrf52, check Serial and GPS modules.
#ifdef PIN_SERIAL1_RX
Serial1.end();
if (Serial1) // A straightforward solution to the wake from deepsleep problem
Serial1.end();
#endif
setBluetoothEnable(false);