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trust gps time across deep sleep

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geeksville 2020-02-19 20:02:57 -08:00
parent b9438357b6
commit 4dc8af3a1b
1 changed files with 3 additions and 2 deletions
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5
src/GPS.cpp
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@ -7,7 +7,8 @@
HardwareSerial _serial_gps(GPS_SERIAL_NUM); HardwareSerial _serial_gps(GPS_SERIAL_NUM);
uint32_t timeStartMsec; // Once we have a GPS lock, this is where we hold the initial msec clock that corresponds to that time uint32_t timeStartMsec; // Once we have a GPS lock, this is where we hold the initial msec clock that corresponds to that time
uint64_t zeroOffsetSecs; // GPS based time in secs since 1970 - only updated once on initial lock uint64_t zeroOffsetSecs; // GPS based time in secs since 1970 - only updated once on initial lock
bool timeSetFromGPS; // We only reset our time once per wake
RTC_DATA_ATTR bool timeSetFromGPS; // We only reset our time once per _boot_ after that point just run from the internal clock (even across sleeps)
GPS gps; GPS gps;
@ -32,7 +33,7 @@ void GPS::readFromRTC()
{ {
uint32_t now = millis(); uint32_t now = millis();
DEBUG_MSG("Read RTC time as %ld (cur millis %u)\n", tv.tv_sec, now); DEBUG_MSG("Read RTC time as %ld (cur millis %u) valid=%d\n", tv.tv_sec, now, timeSetFromGPS);
timeStartMsec = now; timeStartMsec = now;
zeroOffsetSecs = tv.tv_sec; zeroOffsetSecs = tv.tv_sec;
} }