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Add handling for NTP server returning 0 #211

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Add handling for NTP server returning 0 #211

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4 changes: 4 additions & 0 deletions NTPClient.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,10 @@ bool NTPClient::forceUpdate() {
// this is NTP time (seconds since Jan 1 1900):
unsigned long secsSince1900 = highWord << 16 | lowWord;

if (secsSince1900 == 0 ) {
return false;
}

this->_currentEpoc = secsSince1900 - SEVENZYYEARS;

return true; // return true after successful update
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