kenci · January 23, 2023 13:38 · jmartens2 · Jan 10, 2020 · kenci · Jan 10, 2020
diff --git a/alarmsystem.ino b/alarmsystem.ino
 /*
 * alarmsystem.ino
 *
 * This sketch uses the ESP8266WiFi library
 */
 
 #include <TimeLib.h> 
 #include <Time.h>
 #include <TimeAlarms.h>
 #include <ESP8266WiFi.h>
 #include <WiFiUdp.h>

 const char ssid[] = "SSID";  //  your network SSID (name)
 const char pass[] = "PASSWORD";       // your network password

 // NTP Servers:
 //IPAddress timeServer(132, 163, 4, 101); // time-a.timefreq.bldrdoc.gov
 IPAddress timeServer(91, 206, 8, 36); // 0.at.pool.ntp.org
 // IPAddress timeServer(132, 163, 4, 102); // time-b.timefreq.bldrdoc.gov
 // IPAddress timeServer(132, 163, 4, 103); // time-c.timefreq.bldrdoc.gov


 const int timeZone = 1;     // Central European Time
 //const int timeZone = -5;  // Eastern Standard Time (USA)
 //const int timeZone = -4;  // Eastern Daylight Time (USA)
 //const int timeZone = -8;  // Pacific Standard Time (USA)
 //const int timeZone = -7;  // Pacific Daylight Time (USA)

 #define ALARM_ON_PIN 12
 #define ALARM_OFF_PIN 12

 WiFiUDP Udp;
 unsigned int localPort = 8888;  // local port to listen for UDP packets

 void setup() 
 {
  Serial.begin(9600);
  pinMode(ALARM_ON_PIN, OUTPUT);
  pinMode(ALARM_OFF_PIN, OUTPUT);
  
  while (!Serial) ; // Needed for Leonardo only
  delay(250);

  UpdateNTP();
  
  Serial.println("Setting Alarms...");
  Alarm.alarmRepeat(22,1,0, AlarmON);  // every day at 22:00
  Alarm.alarmRepeat(8,0,0, AlarmOFF);  // every day at 08:00
  Alarm.alarmRepeat(0,0,1, UpdateNTP);
  //Alarm.timerRepeat(5, AlarmON); //test
 }

 time_t prevDisplay = 0; // when the digital clock was displayed

 void loop()
 {  
  if (timeStatus() != timeNotSet) {
    if (now() != prevDisplay) { // update the display only if time has changed
      prevDisplay = now();
      digitalClockDisplay();
      Alarm.delay(1000);
    }
  }
 }

 void pressButton(byte pin) {
  digitalWrite(pin, HIGH);
  delay(500);
  digitalWrite(pin, LOW);  
 }

 // functions to be called when an alarm triggers:
 void AlarmON(){
  pressButton(ALARM_ON_PIN);
 }

 void AlarmOFF(){
  pressButton(ALARM_OFF_PIN);
 }

 void UpdateNTP() {
  Serial.println("TimeNTP Example");
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.begin(ssid, pass);
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  
  Serial.print("IP number assigned by DHCP is ");
  Serial.println(WiFi.localIP());
  
  Serial.println("Starting UDP");
  Udp.begin(localPort);
  Serial.print("Local port: ");
  Serial.println(Udp.localPort());
  Serial.println("waiting for sync");
  setSyncProvider(getNtpTime);
 }

 void digitalClockDisplay(){
  // digital clock display of the time
  Serial.print(hour());
  printDigits(minute());
  printDigits(second());
  Serial.print(" ");
  Serial.print(day());
  Serial.print(".");
  Serial.print(month());
  Serial.print(".");
  Serial.print(year()); 
  Serial.println(); 
 }



 void printDigits(int digits){
  // utility for digital clock display: prints preceding colon and leading 0
  Serial.print(":");
  if(digits < 10)
    Serial.print('0');
  Serial.print(digits);
 }

 /*-------- NTP code ----------*/

 const int NTP_PACKET_SIZE = 48; // NTP time is in the first 48 bytes of message
 byte packetBuffer[NTP_PACKET_SIZE]; //buffer to hold incoming & outgoing packets

 time_t getNtpTime()
 {
  while (Udp.parsePacket() > 0) ; // discard any previously received packets
  Serial.println("Transmit NTP Request");
  sendNTPpacket(timeServer);
  uint32_t beginWait = millis();
  while (millis() - beginWait < 1500) {
    int size = Udp.parsePacket();
    if (size >= NTP_PACKET_SIZE) {
      Serial.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];
      return secsSince1900 - 2208988800UL + timeZone * SECS_PER_HOUR;
    }
  }
  Serial.println("No NTP Response :-(");
  return 0; // return 0 if unable to get the time
 }

 // send an NTP request to the time server at the given address
 void sendNTPpacket(IPAddress &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();
 }
	/*
	* alarmsystem.ino
	*
	* This sketch uses the ESP8266WiFi library
	*/

	#include <TimeLib.h>
	#include <Time.h>
	#include <TimeAlarms.h>
	#include <ESP8266WiFi.h>
	#include <WiFiUdp.h>

	const char ssid[] = "SSID"; // your network SSID (name)
	const char pass[] = "PASSWORD"; // your network password

	// NTP Servers:
	//IPAddress timeServer(132, 163, 4, 101); // time-a.timefreq.bldrdoc.gov
	IPAddress timeServer(91, 206, 8, 36); // 0.at.pool.ntp.org
	// IPAddress timeServer(132, 163, 4, 102); // time-b.timefreq.bldrdoc.gov
	// IPAddress timeServer(132, 163, 4, 103); // time-c.timefreq.bldrdoc.gov


	const int timeZone = 1; // Central European Time
	//const int timeZone = -5; // Eastern Standard Time (USA)
	//const int timeZone = -4; // Eastern Daylight Time (USA)
	//const int timeZone = -8; // Pacific Standard Time (USA)
	//const int timeZone = -7; // Pacific Daylight Time (USA)

	#define ALARM_ON_PIN 12
	#define ALARM_OFF_PIN 12

	WiFiUDP Udp;
	unsigned int localPort = 8888; // local port to listen for UDP packets

	void setup()
	{
	Serial.begin(9600);
	pinMode(ALARM_ON_PIN, OUTPUT);
	pinMode(ALARM_OFF_PIN, OUTPUT);

	while (!Serial) ; // Needed for Leonardo only
	delay(250);

	UpdateNTP();

	Serial.println("Setting Alarms...");
	Alarm.alarmRepeat(22,1,0, AlarmON); // every day at 22:00
	Alarm.alarmRepeat(8,0,0, AlarmOFF); // every day at 08:00
	Alarm.alarmRepeat(0,0,1, UpdateNTP);
	//Alarm.timerRepeat(5, AlarmON); //test
	}

	time_t prevDisplay = 0; // when the digital clock was displayed

	void loop()
	{
	if (timeStatus() != timeNotSet) {
	if (now() != prevDisplay) { // update the display only if time has changed
	prevDisplay = now();
	digitalClockDisplay();
	Alarm.delay(1000);
	}
	}
	}

	void pressButton(byte pin) {
	digitalWrite(pin, HIGH);
	delay(500);
	digitalWrite(pin, LOW);
	}

	// functions to be called when an alarm triggers:
	void AlarmON(){
	pressButton(ALARM_ON_PIN);
	}

	void AlarmOFF(){
	pressButton(ALARM_OFF_PIN);
	}

	void UpdateNTP() {
	Serial.println("TimeNTP Example");
	Serial.print("Connecting to ");
	Serial.println(ssid);
	WiFi.begin(ssid, pass);

	while (WiFi.status() != WL_CONNECTED) {
	delay(500);
	Serial.print(".");
	}

	Serial.print("IP number assigned by DHCP is ");
	Serial.println(WiFi.localIP());

	Serial.println("Starting UDP");
	Udp.begin(localPort);
	Serial.print("Local port: ");
	Serial.println(Udp.localPort());
	Serial.println("waiting for sync");
	setSyncProvider(getNtpTime);
	}

	void digitalClockDisplay(){
	// digital clock display of the time
	Serial.print(hour());
	printDigits(minute());
	printDigits(second());
	Serial.print(" ");
	Serial.print(day());
	Serial.print(".");
	Serial.print(month());
	Serial.print(".");
	Serial.print(year());
	Serial.println();
	}



	void printDigits(int digits){
	// utility for digital clock display: prints preceding colon and leading 0
	Serial.print(":");
	if(digits < 10)
	Serial.print('0');
	Serial.print(digits);
	}

	/-------- NTP code ----------/

	const int NTP_PACKET_SIZE = 48; // NTP time is in the first 48 bytes of message
	byte packetBuffer[NTP_PACKET_SIZE]; //buffer to hold incoming & outgoing packets

	time_t getNtpTime()
	{
	while (Udp.parsePacket() > 0) ; // discard any previously received packets
	Serial.println("Transmit NTP Request");
	sendNTPpacket(timeServer);
	uint32_t beginWait = millis();
	while (millis() - beginWait < 1500) {
	int size = Udp.parsePacket();
	if (size >= NTP_PACKET_SIZE) {
	Serial.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];
	return secsSince1900 - 2208988800UL + timeZone * SECS_PER_HOUR;
	}
	}
	Serial.println("No NTP Response :-(");
	return 0; // return 0 if unable to get the time
	}

	// send an NTP request to the time server at the given address
	void sendNTPpacket(IPAddress &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();
	}
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