void setup() {
Serial.begin(115200);
Serial.println("Booting");
Serial.println(ESP.getResetInfo());
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
while (WiFi.waitForConnectResult() != WL_CONNECTED) {
Serial.println("Connection Failed! Rebooting...");
delay(5000);
ESP.restart();
}
Serial.println("Starting UDP");
udp.begin(localPort);
Serial.print("Local port: ");
Serial.println(udp.localPort());
// -- OTA
// OTA options
// Port defaults to 8266
// ArduinoOTA.setPort(8266);
// Hostname defaults to esp8266-[ChipID]
// ArduinoOTA.setHostname("myesp8266");
// No authentication by default
// ArduinoOTA.setPassword((const char *)"123");
ArduinoOTA.onStart([]() {
Serial.println("Start");
});
ArduinoOTA.onEnd([]() {
Serial.println("\nEnd");
});
ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
});
ArduinoOTA.onError([](ota_error_t error) {
Serial.printf("Error[%u]: ", error);
if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed");
else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed");
else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed");
else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed");
else if (error == OTA_END_ERROR) Serial.println("End Failed");
});
ArduinoOTA.begin();
Serial.println("Ready");
Serial.print("IP address: ");
local_ip_str = WiFi.localIP().toString();
Serial.println(local_ip_str);
// neopixel bus
strip.Begin();
strip.Show();
}
void setupTime()
{
print_dbg("IP number assigned by DHCP is ");
println_dbg(WiFi.localIP());
println_dbg("Starting UDP");
Udp.begin(localPort);
print_dbg("Local port: ");
println_dbg(Udp.localPort());
println_dbg("waiting for sync");
setSyncProvider(getNtpTime);
}
//This gets the time from the server and sets the system Time.
//This function is also used as syncProvider:
time_t RRTime::getTime(){
unsigned int localPort = 8888; // local port to listen for UDP packets
/* Don't hardwire the IP address or we won't get the benefits of the pool.
* Lookup the IP address for the host name instead */
//IPAddress timeServerIP(132, 163, 4, 102); // time-b.timefreq.bldrdoc.gov
IPAddress timeServerIP; // time.nist.gov NTP server address
const char* ntpServerName = "europe.pool.ntp.org";
static const int NTP_PACKET_SIZE = 48; // NTP time stamp is in the first 48 bytes of the message
byte packetBuffer[ NTP_PACKET_SIZE]; //buffer to hold incoming and outgoing packet
const int timeZone = 1; // Central European Time
WiFiUDP udp; // A UDP instance to let us send and receive packets over UDP
udp.begin(localPort);
DEBUGPRINT.print("Local port: ");
DEBUGPRINT.println(udp.localPort());
DEBUGPRINT.println("waiting for sync");
//get a random server from the pool
if(!WiFi.hostByName(ntpServerName, timeServerIP)){
DEBUGPRINT.print("ERROR; Could not resolve IP using ");
IPAddress fallBack(132, 163, 4, 102);
timeServerIP = fallBack;
DEBUGPRINT.println(timeServerIP);
}
DEBUGPRINT.print("Timesever IP:");
DEBUGPRINT.println(timeServerIP);
while (udp.parsePacket() > 0) ; // discard any previously received packets
DEBUGPRINT.println("Transmit NTP Request");
// set all bytes in the buffer to 0
/////////////////////////////////////////////////////////////////////////
memset(packetBuffer, 0, NTP_PACKET_SIZE);
// Initialize values needed to form NTP request
// (see URL above for details on the packets)
packetBuffer[0] = 0b11100011; // LI, Version, Mode
packetBuffer[1] = 0; // Stratum, or type of clock
packetBuffer[2] = 6; // Polling Interval
packetBuffer[3] = 0xEC; // Peer Clock Precision
// 8 bytes of zero for Root Delay & Root Dispersion
packetBuffer[12] = 49;
packetBuffer[13] = 0x4E;
packetBuffer[14] = 49;
packetBuffer[15] = 52;
// all NTP fields have been given values, now
// you can send a packet requesting a timestamp:
udp.beginPacket(timeServerIP, 123); //NTP requests are to port 123
udp.write(packetBuffer, NTP_PACKET_SIZE);
udp.endPacket();
/////////////////////////////////////////////////////////////////////////
uint32_t beginWait = millis();
while (millis() - beginWait < 3000) {
int size = udp.parsePacket();
if (size >= NTP_PACKET_SIZE) {
DEBUGPRINT.println("Receive NTP Response");
udp.read(packetBuffer, NTP_PACKET_SIZE); // read packet into the buffer
unsigned long secsSince1900;
// convert four bytes starting at location 40 to a long integer
secsSince1900 = (unsigned long)packetBuffer[40] << 24;
secsSince1900 |= (unsigned long)packetBuffer[41] << 16;
secsSince1900 |= (unsigned long)packetBuffer[42] << 8;
secsSince1900 |= (unsigned long)packetBuffer[43];
//store last sync:
lastSync = millis();
return secsSince1900 - 2208988800UL + timeZone * SECS_PER_HOUR;
}
}
DEBUGPRINT.println("No NTP Response :-(");
return 0; // return 0 if unable to get the time
}
void ntpStart() {
Serial.println("Starting UDP");
udp.begin(localPort);
Serial.print("Local port: ");
Serial.println(udp.localPort());
}
