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Merge pull request #4893 from meshtastic/softSleep

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Only check hardsleep threshold if GPS softsleep is supported
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Thomas Göttgens 2024-09-28 11:35:57 +02:00 committed by GitHub
commit a39280e9df
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1 changed files with 14 additions and 12 deletions
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26
src/gps/GPS.cpp
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@ -916,20 +916,22 @@ void GPS::down()
softsleepSupported = true; softsleepSupported = true;
#endif #endif
// How long does gps_update_interval need to be, for GPS_HARDSLEEP to become more efficient than GPS_SOFTSLEEP? if (softsleepSupported) {
// Heuristic equation. A compromise manually fitted to power observations from U-blox NEO-6M and M10050 // How long does gps_update_interval need to be, for GPS_HARDSLEEP to become more efficient than GPS_SOFTSLEEP?
// https://www.desmos.com/calculator/6gvjghoumr // Heuristic equation. A compromise manually fitted to power observations from U-blox NEO-6M and M10050
// This is not particularly accurate, but probably an impromevement over a single, fixed threshold // https://www.desmos.com/calculator/6gvjghoumr
uint32_t hardsleepThreshold = (2750 * pow(predictedSearchDuration / 1000, 1.22)); // This is not particularly accurate, but probably an impromevement over a single, fixed threshold
LOG_DEBUG("gps_update_interval >= %us needed to justify hardsleep\n", hardsleepThreshold / 1000); uint32_t hardsleepThreshold = (2750 * pow(predictedSearchDuration / 1000, 1.22));
LOG_DEBUG("gps_update_interval >= %us needed to justify hardsleep\n", hardsleepThreshold / 1000);
// If update interval too short: softsleep (if supported by hardware)
if (softsleepSupported && updateInterval < hardsleepThreshold)
setPowerState(GPS_SOFTSLEEP, sleepTime);
// If update interval too short: softsleep (if supported by hardware)
if (updateInterval < hardsleepThreshold) {
setPowerState(GPS_SOFTSLEEP, sleepTime);
return;
}
}
// If update interval long enough (or softsleep unsupported): hardsleep instead // If update interval long enough (or softsleep unsupported): hardsleep instead
else setPowerState(GPS_HARDSLEEP, sleepTime);
setPowerState(GPS_HARDSLEEP, sleepTime);
} }
} }