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Stop past timestamps from setting our system time RTC (#4704)

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* Ignore attempts to set times in the past (before our build epoch)

* TRONK
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Ben Meadors 2024-09-13 19:42:31 -05:00 committed by GitHub
parent b59bd6fee9
commit 35cfe4318a
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2 changed files with 7 additions and 0 deletions
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1
platformio.ini
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@ -81,6 +81,7 @@ build_flags = -Wno-missing-field-initializers
-DRADIOLIB_EXCLUDE_APRS -DRADIOLIB_EXCLUDE_APRS
-DRADIOLIB_EXCLUDE_LORAWAN -DRADIOLIB_EXCLUDE_LORAWAN
-DMESHTASTIC_EXCLUDE_DROPZONE=1 -DMESHTASTIC_EXCLUDE_DROPZONE=1
-DBUILD_EPOCH=$UNIX_TIME
;-D OLED_PL ;-D OLED_PL
monitor_speed = 115200 monitor_speed = 115200

6
src/gps/RTC.cpp
View File

@ -109,6 +109,12 @@ bool perhapsSetRTC(RTCQuality q, const struct timeval *tv, bool forceUpdate)
static uint32_t lastSetMsec = 0; static uint32_t lastSetMsec = 0;
uint32_t now = millis(); uint32_t now = millis();
uint32_t printableEpoch = tv->tv_sec; // Print lib only supports 32 bit but time_t can be 64 bit on some platforms uint32_t printableEpoch = tv->tv_sec; // Print lib only supports 32 bit but time_t can be 64 bit on some platforms
#ifdef BUILD_EPOCH
if (tv->tv_sec < BUILD_EPOCH) {
LOG_WARN("Ignoring time (%ld) before build epoch (%ld)!\n", printableEpoch, BUILD_EPOCH);
return false;
}
#endif
bool shouldSet; bool shouldSet;
if (forceUpdate) { if (forceUpdate) {