Commit 69c37eaf authored by Eric Duminil's avatar Eric Duminil
Browse files

Updated NTP lib.

Broken, because custom code is missing
parent 6b079f75
Pipeline #5753 canceled with stage
......@@ -25,7 +25,7 @@ NTPClient::NTPClient(UDP& udp) {
this->_udp = &udp;
}
NTPClient::NTPClient(UDP& udp, int timeOffset) {
NTPClient::NTPClient(UDP& udp, long timeOffset) {
this->_udp = &udp;
this->_timeOffset = timeOffset;
}
......@@ -35,24 +35,45 @@ NTPClient::NTPClient(UDP& udp, const char* poolServerName) {
this->_poolServerName = poolServerName;
}
NTPClient::NTPClient(UDP& udp, const char* poolServerName, int timeOffset) {
NTPClient::NTPClient(UDP& udp, IPAddress poolServerIP) {
this->_udp = &udp;
this->_poolServerIP = poolServerIP;
this->_poolServerName = NULL;
}
NTPClient::NTPClient(UDP& udp, const char* poolServerName, long timeOffset) {
this->_udp = &udp;
this->_timeOffset = timeOffset;
this->_poolServerName = poolServerName;
}
NTPClient::NTPClient(UDP& udp, const char* poolServerName, int timeOffset, unsigned long updateInterval) {
NTPClient::NTPClient(UDP& udp, IPAddress poolServerIP, long timeOffset){
this->_udp = &udp;
this->_timeOffset = timeOffset;
this->_poolServerIP = poolServerIP;
this->_poolServerName = NULL;
}
NTPClient::NTPClient(UDP& udp, const char* poolServerName, long timeOffset, unsigned long updateInterval) {
this->_udp = &udp;
this->_timeOffset = timeOffset;
this->_poolServerName = poolServerName;
this->_updateInterval = updateInterval;
}
NTPClient::NTPClient(UDP& udp, IPAddress poolServerIP, long timeOffset, unsigned long updateInterval) {
this->_udp = &udp;
this->_timeOffset = timeOffset;
this->_poolServerIP = poolServerIP;
this->_poolServerName = NULL;
this->_updateInterval = updateInterval;
}
void NTPClient::begin() {
this->begin(NTP_DEFAULT_LOCAL_PORT);
}
void NTPClient::begin(int port) {
void NTPClient::begin(unsigned int port) {
this->_port = port;
this->_udp->begin(this->_port);
......@@ -60,37 +81,15 @@ void NTPClient::begin(int port) {
this->_udpSetup = true;
}
bool NTPClient::isValid(byte * ntpPacket)
{
//Perform a few validity checks on the packet
if((ntpPacket[0] & 0b11000000) == 0b11000000) //Check for LI=UNSYNC
return false;
if((ntpPacket[0] & 0b00111000) >> 3 < 0b100) //Check for Version >= 4
return false;
if((ntpPacket[0] & 0b00000111) != 0b100) //Check for Mode == Server
return false;
if((ntpPacket[1] < 1) || (ntpPacket[1] > 15)) //Check for valid Stratum
return false;
if( ntpPacket[16] == 0 && ntpPacket[17] == 0 &&
ntpPacket[18] == 0 && ntpPacket[19] == 0 &&
ntpPacket[20] == 0 && ntpPacket[21] == 0 &&
ntpPacket[22] == 0 && ntpPacket[22] == 0) //Check for ReferenceTimestamp != 0
return false;
return true;
}
bool NTPClient::forceUpdate() {
#ifdef DEBUG_NTPClient
Serial.println("Update from NTP Server");
#endif
// flush any existing packets
while(this->_udp->parsePacket() != 0)
this->_udp->flush();
this->sendNTPPacket();
// Wait till data is there or timeout...
......@@ -99,20 +98,14 @@ bool NTPClient::forceUpdate() {
do {
delay ( 10 );
cb = this->_udp->parsePacket();
if(cb > 0)
{
this->_udp->read(this->_packetBuffer, NTP_PACKET_SIZE);
if(!this->isValid(this->_packetBuffer))
cb = 0;
}
if (timeout > 100) return false; // timeout after 1000 ms
timeout++;
} while (cb == 0);
this->_lastUpdate = millis() - (10 * (timeout + 1)); // Account for delay in reading the time
this->_udp->read(this->_packetBuffer, NTP_PACKET_SIZE);
unsigned long highWord = word(this->_packetBuffer[40], this->_packetBuffer[41]);
unsigned long lowWord = word(this->_packetBuffer[42], this->_packetBuffer[43]);
// combine the four bytes (two words) into a long integer
......@@ -121,73 +114,53 @@ bool NTPClient::forceUpdate() {
this->_currentEpoc = secsSince1900 - SEVENZYYEARS;
return true;
return true; // return true after successful update
}
bool NTPClient::update() {
if ((millis() - this->_lastUpdate >= this->_updateInterval) // Update after _updateInterval
|| this->_lastUpdate == 0) { // Update if there was no update yet.
if (!this->_udpSetup) this->begin(); // setup the UDP client if needed
if (!this->_udpSetup || this->_port != NTP_DEFAULT_LOCAL_PORT) this->begin(this->_port); // setup the UDP client if needed
return this->forceUpdate();
}
return true;
return false; // return false if update does not occur
}
bool NTPClient::isTimeSet() const {
return (this->_lastUpdate != 0); // returns true if the time has been set, else false
}
unsigned long NTPClient::getEpochTime() {
unsigned long NTPClient::getEpochTime() const {
return this->_timeOffset + // User offset
this->_currentEpoc + // Epoc returned by the NTP server
this->_currentEpoc + // Epoch returned by the NTP server
((millis() - this->_lastUpdate) / 1000); // Time since last update
}
int NTPClient::getDay() {
int NTPClient::getDay() const {
return (((this->getEpochTime() / 86400L) + 4 ) % 7); //0 is Sunday
}
int NTPClient::getHours() {
int NTPClient::getHours() const {
return ((this->getEpochTime() % 86400L) / 3600);
}
int NTPClient::getMinutes() {
int NTPClient::getMinutes() const {
return ((this->getEpochTime() % 3600) / 60);
}
int NTPClient::getSeconds() {
int NTPClient::getSeconds() const {
return (this->getEpochTime() % 60);
}
void NTPClient::getFormattedTime(char *formatted_time, unsigned long secs) {
unsigned long rawTime = secs ? secs : this->getEpochTime();
unsigned int hours = (rawTime % 86400L) / 3600;
unsigned int minutes = (rawTime % 3600) / 60;
unsigned int seconds = rawTime % 60;
snprintf(formatted_time, 9, "%02d:%02d:%02d", hours, minutes, seconds);
}
// Based on https://github.com/PaulStoffregen/Time/blob/master/Time.cpp
void NTPClient::getFormattedDate(char *formatted_date, unsigned long secs) {
unsigned long rawTime = (secs ? secs : this->getEpochTime()) / 86400L; // in days
unsigned long days = 0, year = 1970;
uint8_t month;
static const uint8_t monthDays[]={31,28,31,30,31,30,31,31,30,31,30,31};
while((days += (LEAP_YEAR(year) ? 366 : 365)) <= rawTime)
year++;
rawTime -= days - (LEAP_YEAR(year) ? 366 : 365); // now it is days in this year, starting at 0
days=0;
for (month=0; month<12; month++) {
uint8_t monthLength;
if (month==1) { // february
monthLength = LEAP_YEAR(year) ? 29 : 28;
} else {
monthLength = monthDays[month];
}
if (rawTime < monthLength) break;
rawTime -= monthLength;
}
month++; // jan is month 1
rawTime++; // first day is day 1
String NTPClient::getFormattedTime() const {
unsigned long rawTime = this->getEpochTime();
unsigned long hours = (rawTime % 86400L) / 3600;
String hoursStr = hours < 10 ? "0" + String(hours) : String(hours);
unsigned long minutes = (rawTime % 3600) / 60;
String minuteStr = minutes < 10 ? "0" + String(minutes) : String(minutes);
unsigned long seconds = rawTime % 60;
String secondStr = seconds < 10 ? "0" + String(seconds) : String(seconds);
char formatted_time[9];
this->getFormattedTime(formatted_time, secs);
snprintf(formatted_date, 23, "%4lu-%02d-%02lu %s%+03d", year, month, rawTime, formatted_time, this->_timeOffset / 3600);
return hoursStr + ":" + minuteStr + ":" + secondStr;
}
void NTPClient::end() {
......@@ -204,28 +177,36 @@ void NTPClient::setUpdateInterval(unsigned long updateInterval) {
this->_updateInterval = updateInterval;
}
void NTPClient::setPoolServerName(const char* poolServerName) {
this->_poolServerName = poolServerName;
}
void NTPClient::sendNTPPacket() {
// set all bytes in the buffer to 0
memset(this->_packetBuffer, 0, NTP_PACKET_SIZE);
// Initialize values needed to form NTP request
// (see URL above for details on the packets)
this->_packetBuffer[0] = 0b11100011; // LI, Version, Mode
this->_packetBuffer[1] = 0; // Stratum, or type of clock
this->_packetBuffer[2] = 6; // Polling Interval
this->_packetBuffer[3] = 0xEC; // Peer Clock Precision
// 8 bytes of zero for Root Delay & Root Dispersion
this->_packetBuffer[12] = 0x49;
this->_packetBuffer[12] = 49;
this->_packetBuffer[13] = 0x4E;
this->_packetBuffer[14] = 0x49;
this->_packetBuffer[15] = 0x52;
this->_packetBuffer[14] = 49;
this->_packetBuffer[15] = 52;
// all NTP fields have been given values, now
// you can send a packet requesting a timestamp:
this->_udp->beginPacket(this->_poolServerName, 123); //NTP requests are to port 123
if (this->_poolServerName) {
this->_udp->beginPacket(this->_poolServerName, 123);
} else {
this->_udp->beginPacket(this->_poolServerIP, 123);
}
this->_udp->write(this->_packetBuffer, NTP_PACKET_SIZE);
this->_udp->endPacket();
}
void NTPClient::setEpochTime(unsigned long secs) {
this->_currentEpoc = secs;
void NTPClient::setRandomPort(unsigned int minValue, unsigned int maxValue) {
randomSeed(analogRead(0));
this->_port = random(minValue, maxValue);
}
......@@ -7,8 +7,6 @@
#define SEVENZYYEARS 2208988800UL
#define NTP_PACKET_SIZE 48
#define NTP_DEFAULT_LOCAL_PORT 1337
#define LEAP_YEAR(Y) ( (Y>0) && !(Y%4) && ( (Y%100) || !(Y%400) ) )
class NTPClient {
private:
......@@ -16,8 +14,9 @@ class NTPClient {
bool _udpSetup = false;
const char* _poolServerName = "pool.ntp.org"; // Default time server
int _port = NTP_DEFAULT_LOCAL_PORT;
int _timeOffset = 0;
IPAddress _poolServerIP;
unsigned int _port = NTP_DEFAULT_LOCAL_PORT;
long _timeOffset = 0;
unsigned long _updateInterval = 60000; // In ms
......@@ -27,14 +26,28 @@ class NTPClient {
byte _packetBuffer[NTP_PACKET_SIZE];
void sendNTPPacket();
bool isValid(byte * ntpPacket);
public:
NTPClient(UDP& udp);
NTPClient(UDP& udp, int timeOffset);
NTPClient(UDP& udp, long timeOffset);
NTPClient(UDP& udp, const char* poolServerName);
NTPClient(UDP& udp, const char* poolServerName, int timeOffset);
NTPClient(UDP& udp, const char* poolServerName, int timeOffset, unsigned long updateInterval);
NTPClient(UDP& udp, const char* poolServerName, long timeOffset);
NTPClient(UDP& udp, const char* poolServerName, long timeOffset, unsigned long updateInterval);
NTPClient(UDP& udp, IPAddress poolServerIP);
NTPClient(UDP& udp, IPAddress poolServerIP, long timeOffset);
NTPClient(UDP& udp, IPAddress poolServerIP, long timeOffset, unsigned long updateInterval);
/**
* Set time server name
*
* @param poolServerName
*/
void setPoolServerName(const char* poolServerName);
/**
* Set random local port
*/
void setRandomPort(unsigned int minValue = 49152, unsigned int maxValue = 65535);
/**
* Starts the underlying UDP client with the default local port
......@@ -44,7 +57,7 @@ class NTPClient {
/**
* Starts the underlying UDP client with the specified local port
*/
void begin(int port);
void begin(unsigned int port);
/**
* This should be called in the main loop of your application. By default an update from the NTP Server is only
......@@ -61,10 +74,17 @@ class NTPClient {
*/
bool forceUpdate();
int getDay();
int getHours();
int getMinutes();
int getSeconds();
/**
* This allows to check if the NTPClient successfully received a NTP packet and set the time.
*
* @return true if time has been set, else false
*/
bool isTimeSet() const;
int getDay() const;
int getHours() const;
int getMinutes() const;
int getSeconds() const;
/**
* Changes the time offset. Useful for changing timezones dynamically
......@@ -78,28 +98,17 @@ class NTPClient {
void setUpdateInterval(unsigned long updateInterval);
/**
* @return secs argument (or 0 for current time) formatted like `hh:mm:ss`
*/
void getFormattedTime(char *formatted_time, unsigned long secs = 0);
* @return time formatted like `hh:mm:ss`
*/
String getFormattedTime() const;
/**
* @return time in seconds since Jan. 1, 1970
*/
unsigned long getEpochTime();
/**
* @return secs argument (or 0 for current date) formatted to ISO 8601
* like `2004-02-12T15:19:21+00:00`
*/
void getFormattedDate(char *formatted_date, unsigned long secs = 0);
unsigned long getEpochTime() const;
/**
* Stops the underlying UDP client
*/
void end();
/**
* Replace the NTP-fetched time with seconds since Jan. 1, 1970
*/
void setEpochTime(unsigned long secs);
};
# NTPClient
[![Build Status](https://travis-ci.org/arduino-libraries/NTPClient.svg?branch=master)](https://travis-ci.org/arduino-libraries/NTPClient)
[![Check Arduino status](https://github.com/arduino-libraries/NTPClient/actions/workflows/check-arduino.yml/badge.svg)](https://github.com/arduino-libraries/NTPClient/actions/workflows/check-arduino.yml)
[![Compile Examples status](https://github.com/arduino-libraries/NTPClient/actions/workflows/compile-examples.yml/badge.svg)](https://github.com/arduino-libraries/NTPClient/actions/workflows/compile-examples.yml)
[![Spell Check status](https://github.com/arduino-libraries/NTPClient/actions/workflows/spell-check.yml/badge.svg)](https://github.com/arduino-libraries/NTPClient/actions/workflows/spell-check.yml)
Connect to a NTP server, here is how:
......@@ -22,7 +24,7 @@ WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP);
// You can specify the time server pool and the offset, (in seconds)
// additionaly you can specify the update interval (in milliseconds).
// additionally you can specify the update interval (in milliseconds).
// NTPClient timeClient(ntpUDP, "europe.pool.ntp.org", 3600, 60000);
void setup(){
......@@ -45,3 +47,6 @@ void loop() {
delay(1000);
}
```
## Function documentation
`getEpochTime` returns the Unix epoch, which are the seconds elapsed since 00:00:00 UTC on 1 January 1970 (leap seconds are ignored, every day is treated as having 86400 seconds). **Attention**: If you have set a time offset this time offset will be added to your epoch timestamp.
......@@ -12,9 +12,13 @@ begin KEYWORD2
end KEYWORD2
update KEYWORD2
forceUpdate KEYWORD2
isTimeSet KEYWORD2
getDay KEYWORD2
getHours KEYWORD2
getMinutes KEYWORD2
getSeconds KEYWORD2
getFormattedTime KEYWORD2
getEpochTime KEYWORD2
setTimeOffset KEYWORD2
setUpdateInterval KEYWORD2
setPoolServerName KEYWORD2
name=NTPClient
version=3.1.0
version=3.2.0
author=Fabrice Weinberg
maintainer=Fabrice Weinberg <fabrice@weinberg.me>
sentence=An NTPClient to connect to a time server
......
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