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little clean up

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This commit is contained in:
kuba
2026-01-06 13:32:25 +01:00
parent 528dc76ec0
commit ed89ceaac5
339 changed files with 279 additions and 415273 deletions
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lib/Time/docs/issue_template.md
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Please use this form only to report code defects or bugs.
For any question, even questions directly pertaining to this code, post your question on the forums related to the board you are using.
Arduino: forum.arduino.cc
Teensy: forum.pjrc.com
ESP8266: www.esp8266.com
ESP32: www.esp32.com
Adafruit Feather/Metro/Trinket: forums.adafruit.com
Particle Photon: community.particle.io
If you are experiencing trouble but not certain of the cause, or need help using this code, ask on the appropriate forum. This is not the place to ask for support or help, even directly related to this code. Only use this form you are certain you have discovered a defect in this code!
Please verify the problem occurs when using the very latest version, using the newest version of Arduino and any other related software.
----------------------------- Remove above -----------------------------
### Description
Describe your problem.
### Steps To Reproduce Problem
Please give detailed instructions needed for anyone to attempt to reproduce the problem.
### Hardware & Software
Board
Shields / modules used
Arduino IDE version
Teensyduino version (if using Teensy)
Version info & package name (from Tools > Boards > Board Manager)
Operating system & version
Any other software or hardware?
### Arduino Sketch
```cpp
// Change the code below by your sketch (please try to give the smallest code which demonstrates the problem)
#include <Arduino.h>
// libraries: give links/details so anyone can compile your code for the same result
void setup() {
}
void loop() {
}
```
### Errors or Incorrect Output
If you see any errors or incorrect output, please show it here. Please use copy & paste to give an exact copy of the message. Details matter, so please show (not merely describe) the actual message or error exactly as it appears.
lib/Time/examples/Processing/SyncArduinoClock/SyncArduinoClock.pde
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/**
* SyncArduinoClock.
*
* SyncArduinoClock is a Processing sketch that responds to Arduino
* requests for time synchronization messages. Run this in the
* Processing environment (not in Arduino) on your PC or Mac.
*
* Download TimeSerial onto Arduino and you should see the time
* message displayed when you run SyncArduinoClock in Processing.
* The Arduino time is set from the time on your computer through the
* Processing sketch.
*
* portIndex must be set to the port connected to the Arduino
*
* The current time is sent in response to request message from Arduino
* or by clicking the display window
*
* The time message is 11 ASCII text characters; a header (the letter 'T')
* followed by the ten digit system time (unix time)
*/
import processing.serial.*;
import java.util.Date;
import java.util.Calendar;
import java.util.GregorianCalendar;
public static final short portIndex = 0; // select the com port, 0 is the first port
public static final String TIME_HEADER = "T"; //header for arduino serial time message
public static final char TIME_REQUEST = 7; // ASCII bell character
public static final char LF = 10; // ASCII linefeed
public static final char CR = 13; // ASCII linefeed
Serial myPort; // Create object from Serial class
void setup() {
size(200, 200);
println(Serial.list());
println(" Connecting to -> " + Serial.list()[portIndex]);
myPort = new Serial(this,Serial.list()[portIndex], 9600);
println(getTimeNow());
}
void draw()
{
textSize(20);
textAlign(CENTER);
fill(0);
text("Click to send\nTime Sync", 0, 75, 200, 175);
if ( myPort.available() > 0) { // If data is available,
char val = char(myPort.read()); // read it and store it in val
if(val == TIME_REQUEST){
long t = getTimeNow();
sendTimeMessage(TIME_HEADER, t);
}
else
{
if(val == LF)
; //igonore
else if(val == CR)
println();
else
print(val); // echo everying but time request
}
}
}
void mousePressed() {
sendTimeMessage( TIME_HEADER, getTimeNow());
}
void sendTimeMessage(String header, long time) {
String timeStr = String.valueOf(time);
myPort.write(header); // send header and time to arduino
myPort.write(timeStr);
myPort.write('\n');
}
long getTimeNow(){
// java time is in ms, we want secs
Date d = new Date();
Calendar cal = new GregorianCalendar();
long current = d.getTime()/1000;
long timezone = cal.get(cal.ZONE_OFFSET)/1000;
long daylight = cal.get(cal.DST_OFFSET)/1000;
return current + timezone + daylight;
}
lib/Time/examples/Processing/SyncArduinoClock/readme.txt
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SyncArduinoClock is a Processing sketch that responds to Arduino requests for
time synchronization messages.
The portIndex must be set the Serial port connected to Arduino.
Download TimeSerial.pde onto Arduino and you should see the time
message displayed when you run SyncArduinoClock in Processing.
The Arduino time is set from the time on your computer through the
Processing sketch.
lib/Time/examples/TimeArduinoDue/TimeArduinoDue.ino
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/*
* TimeRTC.pde
* example code illustrating Time library with Real Time Clock.
*
* This example requires Markus Lange's Arduino Due RTC Library
* https://github.com/MarkusLange/Arduino-Due-RTC-Library
*/
#include <TimeLib.h>
#include <rtc_clock.h>
// Select the Slowclock source
//RTC_clock rtc_clock(RC);
RTC_clock rtc_clock(XTAL);
void setup() {
Serial.begin(9600);
rtc_clock.init();
if (rtc_clock.date_already_set() == 0) {
// Unfortunately, the Arduino Due hardware does not seem to
// be designed to maintain the RTC clock state when the
// board resets. Markus described it thusly: "Uhh the Due
// does reset with the NRSTB pin. This resets the full chip
// with all backup regions including RTC, RTT and SC. Only
// if the reset is done with the NRST pin will these regions
// stay with their old values."
rtc_clock.set_time(__TIME__);
rtc_clock.set_date(__DATE__);
// However, this might work on other unofficial SAM3X boards
// with different reset circuitry than Arduino Due?
}
setSyncProvider(getArduinoDueTime);
if(timeStatus()!= timeSet)
Serial.println("Unable to sync with the RTC");
else
Serial.println("RTC has set the system time");
}
time_t getArduinoDueTime()
{
return rtc_clock.unixtime();
}
void loop()
{
digitalClockDisplay();
delay(1000);
}
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 function for digital clock display: prints preceding colon and leading 0
Serial.print(":");
if(digits < 10)
Serial.print('0');
Serial.print(digits);
}
lib/Time/examples/TimeGPS/TimeGPS.ino
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/*
* TimeGPS.pde
* example code illustrating time synced from a GPS
*
*/
#include <TimeLib.h>
#include <TinyGPS.h> // http://arduiniana.org/libraries/TinyGPS/
#include <SoftwareSerial.h>
// TinyGPS and SoftwareSerial libraries are the work of Mikal Hart
SoftwareSerial SerialGPS = SoftwareSerial(10, 11); // receive on pin 10
TinyGPS gps;
// To use a hardware serial port, which is far more efficient than
// SoftwareSerial, uncomment this line and remove SoftwareSerial
//#define SerialGPS Serial1
// Offset hours from gps time (UTC)
const int offset = 1; // Central European Time
//const int offset = -5; // Eastern Standard Time (USA)
//const int offset = -4; // Eastern Daylight Time (USA)
//const int offset = -8; // Pacific Standard Time (USA)
//const int offset = -7; // Pacific Daylight Time (USA)
// Ideally, it should be possible to learn the time zone
// based on the GPS position data. However, that would
// require a complex library, probably incorporating some
// sort of database using Eric Muller's time zone shape
// maps, at http://efele.net/maps/tz/
time_t prevDisplay = 0; // when the digital clock was displayed
void setup()
{
Serial.begin(9600);
while (!Serial) ; // Needed for Leonardo only
SerialGPS.begin(4800);
Serial.println("Waiting for GPS time ... ");
}
void loop()
{
while (SerialGPS.available()) {
if (gps.encode(SerialGPS.read())) { // process gps messages
// when TinyGPS reports new data...
unsigned long age;
int Year;
byte Month, Day, Hour, Minute, Second;
gps.crack_datetime(&Year, &Month, &Day, &Hour, &Minute, &Second, NULL, &age);
if (age < 500) {
// set the Time to the latest GPS reading
setTime(Hour, Minute, Second, Day, Month, Year);
adjustTime(offset * SECS_PER_HOUR);
}
}
}
if (timeStatus()!= timeNotSet) {
if (now() != prevDisplay) { //update the display only if the time has changed
prevDisplay = now();
digitalClockDisplay();
}
}
}
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 function for digital clock display: prints preceding colon and leading 0
Serial.print(":");
if(digits < 10)
Serial.print('0');
Serial.print(digits);
}
lib/Time/examples/TimeNTP/TimeNTP.ino
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/*
* Time_NTP.pde
* Example showing time sync to NTP time source
*
* This sketch uses the Ethernet library
*/
#include <TimeLib.h>
#include <Ethernet.h>
#include <EthernetUdp.h>
#include <SPI.h>
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
// NTP Servers:
IPAddress timeServer(132, 163, 4, 101); // time-a.timefreq.bldrdoc.gov
// 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)
EthernetUDP Udp;
unsigned int localPort = 8888; // local port to listen for UDP packets
void setup()
{
Serial.begin(9600);
while (!Serial) ; // Needed for Leonardo only
delay(250);
Serial.println("TimeNTP Example");
if (Ethernet.begin(mac) == 0) {
// no point in carrying on, so do nothing forevermore:
while (1) {
Serial.println("Failed to configure Ethernet using DHCP");
delay(10000);
}
}
Serial.print("IP number assigned by DHCP is ");
Serial.println(Ethernet.localIP());
Udp.begin(localPort);
Serial.println("waiting for sync");
setSyncProvider(getNtpTime);
}
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();
}
}
}
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();
}
lib/Time/examples/TimeNTP_ENC28J60/TimeNTP_ENC28J60.ino
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/*
* Time_NTP.pde
* Example showing time sync to NTP time source
*
* Also shows how to handle DST automatically.
*
* This sketch uses the EtherCard library:
* http://jeelabs.org/pub/docs/ethercard/
*/
#include <TimeLib.h>
#include <EtherCard.h>
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
// NTP Server
const char timeServer[] PROGMEM = "pool.ntp.org";
const int utcOffset = 1; // Central European Time
//const int utcOffset = -5; // Eastern Standard Time (USA)
//const int utcOffset = -4; // Eastern Daylight Time (USA)
//const int utcOffset = -8; // Pacific Standard Time (USA)
//const int utcOffset = -7; // Pacific Daylight Time (USA)
// Packet buffer, must be big enough to packet and payload
#define BUFFER_SIZE 550
byte Ethernet::buffer[BUFFER_SIZE];
const unsigned int remotePort = 123;
void setup()
{
Serial.begin(9600);
while (!Serial) // Needed for Leonardo only
;
delay(250);
Serial.println("TimeNTP_ENC28J60 Example");
if (ether.begin(BUFFER_SIZE, mac) == 0) {
// no point in carrying on, so do nothing forevermore:
while (1) {
Serial.println("Failed to access Ethernet controller");
delay(10000);
}
}
if (!ether.dhcpSetup()) {
// no point in carrying on, so do nothing forevermore:
while (1) {
Serial.println("Failed to configure Ethernet using DHCP");
delay(10000);
}
}
ether.printIp("IP number assigned by DHCP is ", ether.myip);
Serial.println("waiting for sync");
//setSyncProvider(getNtpTime); // Use this for GMT time
setSyncProvider(getDstCorrectedTime); // Use this for local, DST-corrected time
}
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();
}
}
}
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 ----------*/
// SyncProvider that returns UTC time
time_t getNtpTime()
{
// Send request
Serial.println("Transmit NTP Request");
if (!ether.dnsLookup(timeServer)) {
Serial.println("DNS failed");
return 0; // return 0 if unable to get the time
} else {
//ether.printIp("SRV: ", ether.hisip);
ether.ntpRequest(ether.hisip, remotePort);
// Wait for reply
uint32_t beginWait = millis();
while (millis() - beginWait < 1500) {
word len = ether.packetReceive();
ether.packetLoop(len);
unsigned long secsSince1900 = 0L;
if (len > 0 && ether.ntpProcessAnswer(&secsSince1900, remotePort)) {
Serial.println("Receive NTP Response");
return secsSince1900 - 2208988800UL;
}
}
Serial.println("No NTP Response :-(");
return 0;
}
}
/* Alternative SyncProvider that automatically handles Daylight Saving Time (DST) periods,
* at least in Europe, see below.
*/
time_t getDstCorrectedTime (void) {
time_t t = getNtpTime ();
if (t > 0) {
TimeElements tm;
breakTime (t, tm);
t += (utcOffset + dstOffset (tm.Day, tm.Month, tm.Year + 1970, tm.Hour)) * SECS_PER_HOUR;
}
return t;
}
/* This function returns the DST offset for the current UTC time.
* This is valid for the EU, for other places see
* http://www.webexhibits.org/daylightsaving/i.html
*
* Results have been checked for 2012-2030 (but should work since
* 1996 to 2099) against the following references:
* - http://www.uniquevisitor.it/magazine/ora-legale-italia.php
* - http://www.calendario-365.it/ora-legale-orario-invernale.html
*/
byte dstOffset (byte d, byte m, unsigned int y, byte h) {
// Day in March that DST starts on, at 1 am
byte dstOn = (31 - (5 * y / 4 + 4) % 7);
// Day in October that DST ends on, at 2 am
byte dstOff = (31 - (5 * y / 4 + 1) % 7);
if ((m > 3 && m < 10) ||
(m == 3 && (d > dstOn || (d == dstOn && h >= 1))) ||
(m == 10 && (d < dstOff || (d == dstOff && h <= 1))))
return 1;
else
return 0;
}
lib/Time/examples/TimeNTP_ESP8266WiFi/TimeNTP_ESP8266WiFi.ino
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/*
* TimeNTP_ESP8266WiFi.ino
* Example showing time sync to NTP time source
*
* This sketch uses the ESP8266WiFi library
*/
#include <TimeLib.h>
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
const char ssid[] = "*************"; // your network SSID (name)
const char pass[] = "********"; // your network password
// NTP Servers:
static const char ntpServerName[] = "us.pool.ntp.org";
//static const char ntpServerName[] = "time.nist.gov";
//static const char ntpServerName[] = "time-a.timefreq.bldrdoc.gov";
//static const char ntpServerName[] = "time-b.timefreq.bldrdoc.gov";
//static const char ntpServerName[] = "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)
WiFiUDP Udp;
unsigned int localPort = 8888; // local port to listen for UDP packets
time_t getNtpTime();
void digitalClockDisplay();
void printDigits(int digits);
void sendNTPpacket(IPAddress &address);
void setup()
{
Serial.begin(9600);
while (!Serial) ; // Needed for Leonardo only
delay(250);
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);
setSyncInterval(300);
}
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();
}
}
}
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()
{
IPAddress ntpServerIP; // NTP server's ip address
while (Udp.parsePacket() > 0) ; // discard any previously received packets
Serial.println("Transmit NTP Request");
// get a random server from the pool
WiFi.hostByName(ntpServerName, ntpServerIP);
Serial.print(ntpServerName);
Serial.print(": ");
Serial.println(ntpServerIP);
sendNTPpacket(ntpServerIP);
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();
}
lib/Time/examples/TimeRTC/TimeRTC.ino
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/*
* TimeRTC.pde
* example code illustrating Time library with Real Time Clock.
*
*/
#include <TimeLib.h>
#include <Wire.h>
#include <DS1307RTC.h> // a basic DS1307 library that returns time as a time_t
void setup() {
Serial.begin(9600);
while (!Serial) ; // wait until Arduino Serial Monitor opens
setSyncProvider(RTC.get); // the function to get the time from the RTC
if(timeStatus()!= timeSet)
Serial.println("Unable to sync with the RTC");
else
Serial.println("RTC has set the system time");
}
void loop()
{
if (timeStatus() == timeSet) {
digitalClockDisplay();
} else {
Serial.println("The time has not been set. Please run the Time");
Serial.println("TimeRTCSet example, or DS1307RTC SetTime example.");
Serial.println();
delay(4000);
}
delay(1000);
}
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 function for digital clock display: prints preceding colon and leading 0
Serial.print(":");
if(digits < 10)
Serial.print('0');
Serial.print(digits);
}
lib/Time/examples/TimeRTCLog/TimeRTCLog.ino
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/*
* TimeRTCLogger.ino
* example code illustrating adding and subtracting Time.
*
* this sketch logs pin state change events
* the time of the event and time since the previous event is calculated and sent to the serial port.
*/
#include <TimeLib.h>
#include <Wire.h>
#include <DS1307RTC.h> // a basic DS1307 library that returns time as a time_t
const int nbrInputPins = 6; // monitor 6 digital pins
const int inputPins[nbrInputPins] = {2,3,4,5,6,7}; // pins to monitor
boolean state[nbrInputPins] ; // the state of the monitored pins
time_t prevEventTime[nbrInputPins] ; // the time of the previous event
void setup() {
Serial.begin(9600);
setSyncProvider(RTC.get); // the function to sync the time from the RTC
for (int i=0; i < nbrInputPins; i++) {
pinMode( inputPins[i], INPUT);
// uncomment these lines if pull-up resistors are wanted
// pinMode( inputPins[i], INPUT_PULLUP);
// state[i] = HIGH;
}
}
void loop()
{
for (int i=0; i < nbrInputPins; i++) {
boolean val = digitalRead(inputPins[i]);
if (val != state[i]) {
time_t duration = 0; // the time since the previous event
state[i] = val;
time_t timeNow = now();
if (prevEventTime[i] > 0) {
// if this was not the first state change, calculate the time from the previous change
duration = timeNow - prevEventTime[i];
}
logEvent(inputPins[i], val, timeNow, duration ); // log the event
prevEventTime[i] = timeNow; // store the time for this event
}
}
}
void logEvent( int pin, boolean state, time_t timeNow, time_t duration)
{
Serial.print("Pin ");
Serial.print(pin);
if (state == HIGH) {
Serial.print(" went High at ");
} else {
Serial.print(" went Low at ");
}
showTime(timeNow);
if (duration > 0) {
// only display duration if greater than 0
Serial.print(", Duration was ");
showDuration(duration);
}
Serial.println();
}
void showTime(time_t t)
{
// display the given time
Serial.print(hour(t));
printDigits(minute(t));
printDigits(second(t));
Serial.print(" ");
Serial.print(day(t));
Serial.print(" ");
Serial.print(month(t));
Serial.print(" ");
Serial.print(year(t));
}
void printDigits(int digits){
// utility function for digital clock display: prints preceding colon and leading 0
Serial.print(":");
if(digits < 10)
Serial.print('0');
Serial.print(digits);
}
void showDuration(time_t duration)
{
// prints the duration in days, hours, minutes and seconds
if (duration >= SECS_PER_DAY) {
Serial.print(duration / SECS_PER_DAY);
Serial.print(" day(s) ");
duration = duration % SECS_PER_DAY;
}
if (duration >= SECS_PER_HOUR) {
Serial.print(duration / SECS_PER_HOUR);
Serial.print(" hour(s) ");
duration = duration % SECS_PER_HOUR;
}
if (duration >= SECS_PER_MIN) {
Serial.print(duration / SECS_PER_MIN);
Serial.print(" minute(s) ");
duration = duration % SECS_PER_MIN;
}
Serial.print(duration);
Serial.print(" second(s) ");
}
lib/Time/examples/TimeRTCSet/TimeRTCSet.ino
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/*
* TimeRTCSet.pde
* example code illustrating Time library with Real Time Clock.
*
* RTC clock is set in response to serial port time message
* A Processing example sketch to set the time is included in the download
* On Linux, you can use "date +T%s > /dev/ttyACM0" (UTC time zone)
*/
#include <TimeLib.h>
#include <Wire.h>
#include <DS1307RTC.h> // a basic DS1307 library that returns time as a time_t
void setup() {
Serial.begin(9600);
while (!Serial) ; // Needed for Leonardo only
setSyncProvider(RTC.get); // the function to get the time from the RTC
if (timeStatus() != timeSet)
Serial.println("Unable to sync with the RTC");
else
Serial.println("RTC has set the system time");
}
void loop()
{
if (Serial.available()) {
time_t t = processSyncMessage();
if (t != 0) {
RTC.set(t); // set the RTC and the system time to the received value
setTime(t);
}
}
digitalClockDisplay();
delay(1000);
}
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 function for digital clock display: prints preceding colon and leading 0
Serial.print(":");
if(digits < 10)
Serial.print('0');
Serial.print(digits);
}
/* code to process time sync messages from the serial port */
#define TIME_HEADER "T" // Header tag for serial time sync message
unsigned long processSyncMessage() {
unsigned long pctime = 0L;
const unsigned long DEFAULT_TIME = 1357041600; // Jan 1 2013
if(Serial.find(TIME_HEADER)) {
pctime = Serial.parseInt();
return pctime;
if( pctime < DEFAULT_TIME) { // check the value is a valid time (greater than Jan 1 2013)
pctime = 0L; // return 0 to indicate that the time is not valid
}
}
return pctime;
}
lib/Time/examples/TimeSerial/TimeSerial.ino
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/*
* TimeSerial.pde
* example code illustrating Time library set through serial port messages.
*
* Messages consist of the letter T followed by ten digit time (as seconds since Jan 1 1970)
* you can send the text on the next line using Serial Monitor to set the clock to noon Jan 1 2013
T1357041600
*
* A Processing example sketch to automatically send the messages is included in the download
* On Linux, you can use "date +T%s\n > /dev/ttyACM0" (UTC time zone)
*/
#include <TimeLib.h>
#define TIME_HEADER "T" // Header tag for serial time sync message
#define TIME_REQUEST 7 // ASCII bell character requests a time sync message
void setup() {
Serial.begin(9600);
while (!Serial) ; // Needed for Leonardo only
pinMode(13, OUTPUT);
setSyncProvider( requestSync); //set function to call when sync required
Serial.println("Waiting for sync message");
}
void loop(){
if (Serial.available()) {
processSyncMessage();
}
if (timeStatus()!= timeNotSet) {
digitalClockDisplay();
}
if (timeStatus() == timeSet) {
digitalWrite(13, HIGH); // LED on if synced
} else {
digitalWrite(13, LOW); // LED off if needs refresh
}
delay(1000);
}
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 function for digital clock display: prints preceding colon and leading 0
Serial.print(":");
if(digits < 10)
Serial.print('0');
Serial.print(digits);
}
void processSyncMessage() {
unsigned long pctime;
const unsigned long DEFAULT_TIME = 1357041600; // Jan 1 2013
if(Serial.find(TIME_HEADER)) {
pctime = Serial.parseInt();
if( pctime >= DEFAULT_TIME) { // check the integer is a valid time (greater than Jan 1 2013)
setTime(pctime); // Sync Arduino clock to the time received on the serial port
}
}
}
time_t requestSync()
{
Serial.write(TIME_REQUEST);
return 0; // the time will be sent later in response to serial mesg
}
lib/Time/examples/TimeSerialDateStrings/TimeSerialDateStrings.ino
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/*
* TimeSerialDateStrings.pde
* example code illustrating Time library date strings
*
* This sketch adds date string functionality to TimeSerial sketch
* Also shows how to handle different messages
*
* A message starting with a time header sets the time
* A Processing example sketch to automatically send the messages is inclided in the download
* On Linux, you can use "date +T%s\n > /dev/ttyACM0" (UTC time zone)
*
* A message starting with a format header sets the date format
* send: Fs\n for short date format
* send: Fl\n for long date format
*/
#include <TimeLib.h>
// single character message tags
#define TIME_HEADER 'T' // Header tag for serial time sync message
#define FORMAT_HEADER 'F' // Header tag indicating a date format message
#define FORMAT_SHORT 's' // short month and day strings
#define FORMAT_LONG 'l' // (lower case l) long month and day strings
#define TIME_REQUEST 7 // ASCII bell character requests a time sync message
static boolean isLongFormat = true;
void setup() {
Serial.begin(9600);
while (!Serial) ; // Needed for Leonardo only
setSyncProvider( requestSync); //set function to call when sync required
Serial.println("Waiting for sync message");
}
void loop(){
if (Serial.available() > 1) { // wait for at least two characters
char c = Serial.read();
if( c == TIME_HEADER) {
processSyncMessage();
}
else if( c== FORMAT_HEADER) {
processFormatMessage();
}
}
if (timeStatus()!= timeNotSet) {
digitalClockDisplay();
}
delay(1000);
}
void digitalClockDisplay() {
// digital clock display of the time
Serial.print(hour());
printDigits(minute());
printDigits(second());
Serial.print(" ");
if(isLongFormat)
Serial.print(dayStr(weekday()));
else
Serial.print(dayShortStr(weekday()));
Serial.print(" ");
Serial.print(day());
Serial.print(" ");
if(isLongFormat)
Serial.print(monthStr(month()));
else
Serial.print(monthShortStr(month()));
Serial.print(" ");
Serial.print(year());
Serial.println();
}
void printDigits(int digits) {
// utility function for digital clock display: prints preceding colon and leading 0
Serial.print(":");
if(digits < 10)
Serial.print('0');
Serial.print(digits);
}
void processFormatMessage() {
char c = Serial.read();
if( c == FORMAT_LONG){
isLongFormat = true;
Serial.println(F("Setting long format"));
}
else if( c == FORMAT_SHORT) {
isLongFormat = false;
Serial.println(F("Setting short format"));
}
}
void processSyncMessage() {
unsigned long pctime;
const unsigned long DEFAULT_TIME = 1357041600; // Jan 1 2013 - paul, perhaps we define in time.h?
pctime = Serial.parseInt();
if( pctime >= DEFAULT_TIME) { // check the integer is a valid time (greater than Jan 1 2013)
setTime(pctime); // Sync Arduino clock to the time received on the serial port
}
}
time_t requestSync() {
Serial.write(TIME_REQUEST);
return 0; // the time will be sent later in response to serial mesg
}
lib/Time/examples/TimeTeensy3/TimeTeensy3.ino
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/*
* TimeRTC.pde
* example code illustrating Time library with Real Time Clock.
*
*/
#include <TimeLib.h>
void setup() {
// set the Time library to use Teensy 3.0's RTC to keep time
setSyncProvider(getTeensy3Time);
Serial.begin(115200);
while (!Serial); // Wait for Arduino Serial Monitor to open
delay(100);
if (timeStatus()!= timeSet) {
Serial.println("Unable to sync with the RTC");
} else {
Serial.println("RTC has set the system time");
}
}
void loop() {
if (Serial.available()) {
time_t t = processSyncMessage();
if (t != 0) {
Teensy3Clock.set(t); // set the RTC
setTime(t);
}
}
digitalClockDisplay();
delay(1000);
}
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();
}
time_t getTeensy3Time()
{
return Teensy3Clock.get();
}
/* code to process time sync messages from the serial port */
#define TIME_HEADER "T" // Header tag for serial time sync message
unsigned long processSyncMessage() {
unsigned long pctime = 0L;
const unsigned long DEFAULT_TIME = 1357041600; // Jan 1 2013
if(Serial.find(TIME_HEADER)) {
pctime = Serial.parseInt();
return pctime;
if( pctime < DEFAULT_TIME) { // check the value is a valid time (greater than Jan 1 2013)
pctime = 0L; // return 0 to indicate that the time is not valid
}
}
return pctime;
}
void printDigits(int digits){
// utility function for digital clock display: prints preceding colon and leading 0
Serial.print(":");
if(digits < 10)
Serial.print('0');
Serial.print(digits);
}