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Reduced time drift from 60s/day to 7s/day for ESP32-based repeaters with power saving.

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This commit is contained in:
Kevin Le
2026-05-06 13:16:54 +07:00
parent f4c43f7eb7
commit 36a44de119
2 changed files with 2 additions and 14 deletions
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4
examples/simple_repeater/main.cpp
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@@ -154,10 +154,10 @@ void loop() {
if (the_mesh.getNodePrefs()->powersaving_enabled && !the_mesh.hasPendingWork()) {
#if defined(NRF52_PLATFORM)
board.sleep(1800); // nrf ignores seconds param, sleeps whenever possible
board.sleep(0); // nrf ignores seconds param, sleeps whenever possible
#else
if (the_mesh.millisHasNowPassed(POWERSAVING_FIRSTSLEEP_SECS * 1000)) { // To check if it is time to sleep
board.sleep(1800); // Sleep. Wake up after 30 minutes or when receiving a LoRa packet
board.sleep(30); // Sleep. Wake up after a while or when receiving a LoRa packet
}
#endif
}

12
src/helpers/ESP32Board.h
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@@ -73,18 +73,6 @@ public:
return;
}
// Use more accurate clock in sleep
#if SOC_RTC_SLOW_CLK_SUPPORT_RC_FAST_D256
if (rtc_clk_slow_src_get() != SOC_RTC_SLOW_CLK_SRC_RC_FAST) {
// Switch slow clock source to RC_FAST / 256 (~31.25 kHz)
rtc_clk_slow_src_set(SOC_RTC_SLOW_CLK_SRC_RC_FAST);
// Calibrate slow clock
esp_clk_slow_boot_cal(1024);
}
#endif
// Set GPIO wakeup
gpio_num_t wakeupPin = (gpio_num_t)getIRQGpio();