void TimeSync::process(bool dataToRead)
{
Debug::out(LOG_DEBUG, "TimeSync::process(%s) entering with eState=%d nextProcessTime=%u", dataToRead ? "true" : "false", (int)eState, nextProcessTime);
switch(eState) {
case INIT:
case INIT_NTP:
sendNtpPacket();
break;
case NTP_WAIT_PACKET1:
case NTP_WAIT_PACKET2:
if(dataToRead) {
readNtpPacket();
} else {
sendNtpPacket();
}
break;
case NTP_WAIT_PACKET3:
if(dataToRead) {
readNtpPacket();
} else {
eState = NTP_FAILED;
}
break;
case NTP_FAILED:
case INIT_WEB:
sendWebRequest();
break;
case WEB_WAIT_RESPONSE:
checkWebResponse();
break;
case WEB_FAILED:
case DATE_FAILED:
if(s >= 0) {
close(s);
s = -1;
}
nextProcessTime = Utils::getEndTime(60*1000);// retry in 1 minute
eState = INIT;
break;
case DATE_SET:
if(s >= 0) {
close(s);
s = -1;
}
nextProcessTime = Utils::getEndTime(30*60*1000);// do it again in 30 minutes
eState = INIT;
break;
}
Debug::out(LOG_DEBUG, "TimeSync::process(%s) exiting with eState=%d nextProcessTime=%u", dataToRead ? "true" : "false", (int)eState, nextProcessTime);
}
bool BlindCloud::loop( void )
{
if ( connected(false) )
{
if ( m_ntp_offset==0 ) {
uint8_t packetBuffer[ NTP_PACKET_SIZE ];
sendNtpPacket( ); // send an NTP packet to a time server
delay(150);
if ( m_udp.parsePacket()>0 )
{
#ifdef BLIND_VERBOSE
Serial.println("BlindCloud : NTP Packet received..");
#endif
m_udp.read( packetBuffer, sizeof(packetBuffer) );
const unsigned long highWord = word(packetBuffer[40], packetBuffer[41]);
const unsigned long lowWord = word(packetBuffer[42], packetBuffer[43]);
// combine the four bytes (two words) into a long integer (that is the seconds since Jan 1 1900)
// i.e. 2208988800UL are seconds from Jan 1 1900 to Jan 1 1970 that is the epoch
const unsigned long secsSince1970 = ( (highWord<<16) | lowWord )-2208988800UL; // i.e. seventyYears
m_ntp_offset = secsSince1970-(millis()/1000);
// From UTC time to local time zone (Rome is +1h = +3600 sec )
m_ntp_offset += (m_ntp_time_zone*60*60);
}
while ( m_udp.parsePacket()>0 ) // clean-up buffer
m_udp.read( packetBuffer, sizeof(packetBuffer) );
}
/*
#ifdef BLIND_VERBOSE
if ( m_ntp_offset>0 ) {
static uint8_t count = 0;
count++;
if ( count==16 ) {
count = 0;
printNtpTime( m_ntp_offset+(millis()/1000) );
}
}
#endif
*/
//m_mqtt.loop();
#ifdef BLIND_VERBOSE
// Serial.print("m_state is : "); Serial.println(m_state);
#endif
return true;
}
return false;
}
void sendTimeRequest() {
lastNtpRequestTime = now();
ntpState = WAITING_FOR_RESPONSE;
Serial.print(currServerIndex);
sendNtpPacket(servers[currServerIndex]);
currServerIndex = ++currServerIndex % (sizeof servers / sizeof (IPAddress));
Serial.print("Sent time request");
}
