I am trying t get the standard UDP Net TIme Client (from the IDE library) to compile and work.
However I keep geting the following errors;
(1) Compiler error
In file included from D:\AppDev\Arduino\hardware\arduino\avr\cores\arduino/Udp.h:39:0,
from D:\DatArduino\Sketches\libraries\Ethernet\src/EthernetUdp.h:40,
from D:\DatArduino\Sketches\libraries\Ethernet\src/Dns.h:8,
from D:\DatArduino\Sketches\UDP Experiments\UdpNetTimeClient\UdpNetTimeClient.ino:21:
D:\AppDev\Arduino\hardware\arduino\avr\cores\arduino/IPAddress.h: In function 'void loop()':
D:\AppDev\Arduino\hardware\arduino\avr\cores\arduino/IPAddress.h:54:5: note: candidate is: IPAddress::operator uint32_t() const
operator uint32_t() const { return _address.dword; };
^
D:\AppDev\Arduino\hardware\arduino\avr\cores\arduino/IPAddress.h:54:5: note: no known conversion from 'uint32_t {aka long unsigned int}' to 'char*'
(2) Runtime error
Udp Begin = 0 // Note : See line 63 of the code //
Here is the code listing
/*
Udp NTP Client
Get the time from a Network Time Protocol (NTP) time server
Demonstrates use of UDP sendPacket and ReceivePacket
For more on NTP time servers and the messages needed to communicate with them,
see Network Time Protocol - Wikipedia
created 4 Sep 2010
by Michael Margolis
modified 9 Apr 2012
by Tom Igoe
modified 02 Sept 2015
by Arturo Guadalupi
This code is in the public domain.
*/
//#include <Dhcp.h>
#include <Dns.h>
#include <Ethernet.h>
#include <EthernetClient.h>
#include <EthernetServer.h>
#include <EthernetUdp.h>
#include <SPI.h>
// Enter a MAC address for your controller below.
// Newer Ethernet shields have a MAC address printed on a sticker on the shield.
byte mac[] = {0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};
//IPAddress localIP(192, 168, 100, 101);
// IPAddress localIP(192, 168, 100, 50);
IPAddress myIP( 192, 168, 100, 100 ); // IP Address of Ethernet Shield.
IPAddress dnsServer( 203, 134, 64, 66 );
IPAddress gateway( 192, 168, 10, 251 );
IPAddress subnet( 255, 255, 255, 0 );
IPAddress timeServerIP( 129,6,15,28 );
unsigned int localPort = 8888; // local port to listen for UDP packets
//byte timeServerIP[] = { 129,6,15,28};
//IPAddress timeServerIP; // NTP server time.nist.gov
const char *ntpServerName = "time.nist.gov";
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 packets
// A UDP instance to let us send and receive packets over UDP
EthernetUDP Udp;
void setup()
{
Ethernet.begin(mac, myIP, dnsServer, gateway, subnet); // Open serial communications and wait for port to open.
Udp.begin(localPort);
Serial.begin(9600);
Serial.println("Set-up Commencing");
Serial.print("Udp Begin = ");
Serial.println(Udp.begin(mac) );
Serial.print("MAC Address = ");
for (int i =0; i < 6; i++)
{
Serial.print( mac*);*
- Serial.print(" ");*
- }*
- Serial.println("");*
- Serial.print("Local Port Address = ");*
- Serial.println(myIP );*
- Serial.print("Time Server = ");*
- Serial.print(ntpServerName);*
- Serial.print(" Time Server IP = ");*
- Serial.println(timeServerIP);*
- while (!Serial)*
- {*
- ; // wait for serial port to connect. Needed for native USB port only*
- }*
- if (Serial)*
- {*
- Serial.println("Serial port connection succeeded");*
- }*
- else*
- {*
- Serial.println("Serial port connection failed");*
- }*
- // start Ethernet and UDP*
// Serial.println(Ethernet.begin(mac) );
// if (Ethernet.begin(mac) == 0)
// {
// Serial.println("Failed to configure Ethernet");
// for (; // no point in carrying on, so do nothing forevermore:
// ;
// }
// EthernetUdp.begin(localPort);
- Serial.println("Setup completed successfully");*
} // End setup
void loop()
{
// sendNTPpacket(ntpServerName); // Send an NTP packet to a time server. - sendNTPpacket(timeServerIP); // Send an NTP packet to a time server.*
- Serial.println("At send NTP Packet");*
- // wait to see if a reply is available*
- delay(1000);*
- if (Udp.parsePacket())*
- {*
- Serial.println("Inside UDP Parse Packet");*
- // We've received a packet, read the data from it*
- Udp.read(packetBuffer, NTP_PACKET_SIZE); // read the packet into the buffer*
- // the timestamp starts at byte 40 of the received packet and is four bytes,*
- // or two words, long. First, extract the two words:*
- unsigned long highWord = word(packetBuffer[40], packetBuffer[41]);*
- unsigned long lowWord = word(packetBuffer[42], packetBuffer[43]);*
- // combine the four bytes (two words) into a long integer*
- // this is NTP time (seconds since Jan 1 1900):*
- unsigned long secsSince1900 = highWord << 16 | lowWord;*
- Serial.print("Seconds since Jan 1 1900 = ");*
- Serial.println(secsSince1900);*
- // now convert NTP time into everyday time:*
- Serial.print("Unix time = ");*
- // Unix time starts on Jan 1 1970. In seconds, that's 2208988800:*
- const unsigned long seventyYears = 2208988800UL;*
- // subtract seventy years:*
- unsigned long epoch = secsSince1900 - seventyYears;*
- Serial.println(epoch); // print Unix time.*
- // print the hour, minute and second:*
- Serial.print("The UTC time is "); // UTC is the time at Greenwich Meridian (GMT)*
- Serial.print((epoch % 86400L) / 3600); // print the hour (86400 equals secs per day)*
- Serial.print(':');*
- if (((epoch % 3600) / 60) < 10)*
- {*
- // In the first 10 minutes of each hour, we'll want a leading '0'*
- Serial.print('0');*
- }*
- Serial.print((epoch % 3600) / 60); // print the minute (3600 equals secs per minute)*
- Serial.print(':');*
- if ((epoch % 60) < 10)*
- {*
- // In the first 10 seconds of each minute, we'll want a leading '0'*
- Serial.print('0');*
- }*
- Serial.println(epoch % 60); // print the second*
- }*
- // wait ten seconds before asking for the time again*
- delay(10000);*
- Ethernet.maintain();*
} // End loop
void sendNTPpacket(char* address) // send an NTP request to the time server at the given address.
{ - // 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(address, 123); //NTP requests are to port 123*
- Udp.write(packetBuffer, NTP_PACKET_SIZE);*
- Udp.endPacket();*
} // End sendNTPpacket
Can someone please assist me by telling me wht the issue is?