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Ethernet: UdpNtpClient.ino now uses DNS to connect to the NTP server

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This commit is contained in:
Fede85
2014-09-25 14:49:14 +02:00
committed by Cristian Maglie
parent 9a64c1bb1c
commit f85a72847a
1 changed files with 3 additions and 3 deletions
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6
libraries/Ethernet/examples/UdpNtpClient/UdpNtpClient.ino
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@ -26,9 +26,9 @@ byte mac[] = {
0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
}; };
unsigned int localPort = 8888; // local port to listen for UDP packets unsigned int localPort = 8888; // local port to listen for UDP packets
IPAddress timeServer(192, 43, 244, 18); // time.nist.gov NTP server char timeServer[] = "time.nist.gov"; // time.nist.gov NTP server
const int NTP_PACKET_SIZE = 48; // NTP time stamp is in the first 48 bytes of the message const int NTP_PACKET_SIZE = 48; // NTP time stamp is in the first 48 bytes of the message
@ -108,7 +108,7 @@ void loop()
} }
// send an NTP request to the time server at the given address // send an NTP request to the time server at the given address
unsigned long sendNTPpacket(IPAddress& address) unsigned long sendNTPpacket(char* address)
{ {
// set all bytes in the buffer to 0 // set all bytes in the buffer to 0
memset(packetBuffer, 0, NTP_PACKET_SIZE); memset(packetBuffer, 0, NTP_PACKET_SIZE);