97 lines
3.4 KiB
C++
97 lines
3.4 KiB
C++
/*
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Copyright 2016 German Martin (gmag11@gmail.com). All rights reserved.
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Redistribution and use in source and binary forms, with or without modification, are
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permitted provided that the following conditions are met :
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1. Redistributions of source code must retain the above copyright notice, this list of
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conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice, this list
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of conditions and the following disclaimer in the documentation and / or other materials
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provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ''AS IS'' AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.IN NO EVENT SHALL <COPYRIGHT HOLDER> OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT(INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those of the
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authors and should not be interpreted as representing official policies, either expressed
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or implied, of German Martin
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*/
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/*
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Name: NtpClientAvr.ino
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Created: 20/08/2016
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Author: gmag11@gmail.com
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Editor: http://www.visualmicro.com
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*/
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#include <TimeLib.h>
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#include <NtpClientLib.h>
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#include <SPI.h>
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#include <EthernetUdp.h>
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#include <Ethernet.h>
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#include <Dns.h>
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#include <Dhcp.h>
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#define SHOW_TIME_PERIOD 5000
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// Enter a MAC address for your controller below.
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// Newer Ethernet shields have a MAC address printed on a sticker on the shield
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byte mac[] = {
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0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x02
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};
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EthernetClient client;
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void setup () {
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Serial.begin (115200);
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if (Ethernet.begin (mac) == 0) {
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Serial.println ("Failed to configure Ethernet using DHCP");
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// no point in carrying on, so do nothing forevermore:
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for (;;)
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;
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}
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NTP.onNTPSyncEvent ([](NTPSyncEvent_t error) {
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if (error) {
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Serial.print ("Time Sync error: ");
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if (error == noResponse)
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Serial.println ("NTP server not reachable");
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else if (error == invalidAddress)
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Serial.println ("Invalid NTP server address");
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} else {
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Serial.print ("Got NTP time: ");
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Serial.println (NTP.getTimeDateString (NTP.getLastNTPSync ()));
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}
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});
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NTP.setInterval (63);
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NTP.setNTPTimeout (1000);
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NTP.begin ("pool.ntp.org", 1, true);
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}
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void loop () {
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static int i = 0;
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static int last = 0;
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if ((millis () - last) > SHOW_TIME_PERIOD) {
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//Serial.println(millis() - last);
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last = millis ();
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Serial.print (i); Serial.print (" ");
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Serial.print (NTP.getTimeDateString ()); Serial.print (". ");
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Serial.print (NTP.isSummerTime () ? "Summer Time. " : "Winter Time. ");
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Serial.print ("Uptime: ");
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Serial.print (NTP.getUptimeString ()); Serial.print (" since ");
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Serial.println (NTP.getTimeDateString (NTP.getFirstSync ()).c_str ());
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i++;
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}
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delay (0);
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Ethernet.maintain (); // Check DHCP for renewal
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}
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