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This repository has been archived by the owner on Jan 29, 2023. It is now read-only.

Library to facilitate time zone conversions and automatic daylight saving (summer) time adjustments. For ESP8266, ESP32, WT32-ETH01 (ESP32 + LAN8720), SAMD21, SAMD51, nRF52, STM32F/L/H/G/WB/MP1, Teensy, SAM DUE, RTL8720DN, RP2040-based (Nano_RP2040_Connect, RASPBERRY_PI_PICO), Portenta_H7 (Ethernet or WiFi) boards, etc. using W5x00/ENC28J60/LAN8…

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khoih-prog/Timezone_Generic

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Timezone_Generic Library

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Table of Contents



Important Change from v1.9.0

Please have a look at HOWTO Fix Multiple Definitions Linker Error

Why do we need this Timezone_Generic library

Features

The Timezone_Generic library is designed to work in conjunction with the Arduino Time library, which must also be installed on your system. This documentation assumes some familiarity with the Time library.

The primary goal of the Timezone_Generic library is to convert Universal Coordinated Time (UTC) to the correct local time, whether it is Daylight Saving Time (a.k.a. summer time, DST) or standard time. The time source could be a GPS receiver, an NTP server, or a Real-Time Clock (RTC) set to UTC. But whether a hardware RTC or other time source is even present is immaterial, since the Time library can function as a software RTC without additional hardware (although its accuracy is dependent on the accuracy of the microcontroller's system clock.)

The Timezone_Generic library implements two objects to facilitate time zone conversions:

  • A TimeChangeRule object describes when local time changes to daylight (summer) time, or to standard time, for a particular locale.

  • A Timezone object uses TimeChangeRules to perform conversions and related functions. It can also write its TimeChangeRules to or read them from EEPROM/DueFlashStorage/FlashStorage/LittleFS/SPIFFS. Multiple time zones can be represented by defining multiple Timezone objects.

The examples will demonstrate how to get the UTC time from NTP server, then update the DS3231 RTC to make sure the time is perfectly correct. You can also modify the examples to read the NTP and update RTC once per every pre-determined period to ensure the RTC accuracy.

This Timezone_Generic library is based on and modified from Jack Christensen's Timezone Library to add functions and support to many boards and shields.


Currently Supported Boards

  • ESP8266.
  • ESP32.
  • AdaFruit Feather nRF52832, nRF52840 Express, BlueFruit Sense, Itsy-Bitsy nRF52840 Express, Metro nRF52840 Express, NINA_B302_ublox, NINA_B112_ublox etc..
  • Arduino SAMD21 (ZERO, MKR, NANO_33_IOT, etc.).
  • Adafruit SAM21 (Itsy-Bitsy M0, Metro M0, Feather M0, Gemma M0, etc.).
  • Adafruit SAM51 (Itsy-Bitsy M4, Metro M4, Grand Central M4, Feather M4 Express, etc.).
  • Seeeduino SAMD21/SAMD51 boards (SEEED_WIO_TERMINAL, SEEED_FEMTO_M0, SEEED_XIAO_M0, Wio_Lite_MG126, WIO_GPS_BOARD, SEEEDUINO_ZERO, SEEEDUINO_LORAWAN, SEEED_GROVE_UI_WIRELESS, etc.)
  • STM32 (Nucleo-144, Nucleo-64, Nucleo-32, Discovery, STM32F1, STM32F3, STM32F4, STM32H7, STM32L0, etc.).
  • STM32F/L/H/G/WB/MP1 (Nucleo-64 L053R8,Nucleo-144, Nucleo-64, Nucleo-32, Discovery, STM32Fx, STM32H7, STM32Lx, STM32Gx, STM32WB, STM32MP1, etc.) having 64K+ Flash program memory.
  • Arduino AVR boards (UNO, Nano, Mega, etc.)
  • Arduino MegaAVR boards (UNO WiFi Rev 2, Nano Every, etc.)
  • RP2040-based boards, such as Nano_RP2040_Connect, using Arduino mbed OS for Nano boards.
  • RP2040-based boards, such as RASPBERRY_PI_PICO, RASPBERRY_PI_PICO_W, ADAFRUIT_FEATHER_RP2040 and GENERIC_RP2040, using Arduino-mbed RP2040 core or Earle Philhower's arduino-pico core.
  • WT32_ETH01 boards using ESP32-based boards and LAN8720 Ethernet
  • RTL8720DN, RTL8722DM, RTL8722CSM, etc. boards
  • Portenta_H7

Currently Supported WiFi Modules and Shields

  • ESP8266 built-in WiFi.
  • ESP32 built-in WiFi.
  • WiFiNINA using WiFiNINA or WiFiNINA_Generic library.
  • ESP8266-AT, ESP32-AT WiFi shields using WiFiEspAT or ESP8266_AT_WebServer library.
  • RTL8720DN, RTL8722DM, RTL8722CSM
  • Built-in WiFi of Portenta_H7
  • Built-in WiFi of RP2040W

Currently Supported Ethernet Modules and Shields

  • W5x00's using Ethernet_Generic Library.
  • ENC28J60 using EthernetENC or UIPEthernet library.
  • LAN8742A using STM32Ethernet / STM32 LwIP libraries.
  • LAN8720A in WT32-ETH01 using WebServer_WT32_ETH01.
  • Portenta_H7 Ethernet using Portenta_Ethernet library

Currently Supported Storage

  • ESP8266 LittleFS, SPIFFS.
  • ESP32, ESP32-S2 SPIFFS and LittleFS. ESP32-C3 SPIFFS.
  • SAM DUE DueFlashStorage.
  • SAMD FlashStorage_SAMD.
  • nRF52/RP2040 LittleFS.
  • STM32, Teensy and AVR, MegaAVR EEPROM.
  • RTL8720 FlashStorage_RTL8720.
  • Portenta_H7 LittleFS.


Prerequisites

  1. Arduino IDE 1.8.19+ for Arduino. GitHub release
  2. Arduino AVR core 1.8.5+ for Arduino (Use Arduino Board Manager) for AVR boards. GitHub release
  3. Arduino MegaAVR core v1.8.3+ for Arduino MegaAVR boards such as Arduino Uno WiFi Rev2. Use Arduino Board Manager to install. GitHub release
  4. ESP32 Core 2.0.5+ for ESP32-based boards. Latest release
  5. ESP8266 Core 3.0.2+ for ESP8266-based boards. Latest release. To use ESP8266 core 2.7.1+ for LittleFS.
  6. Teensy core v1.57+ for Teensy (4.1, 4.0, 3.6, 3.5, 3,2, 3.1, 3.0) boards. Ready from v1.0.0.
  7. Arduino SAM DUE core v1.6.12+ for SAM DUE ARM Cortex-M3 boards.
  8. Arduino SAMD core 1.8.13+ for SAMD ARM Cortex-M0+ boards. GitHub release
  9. Adafruit SAMD core 1.7.10+ for SAMD ARM Cortex-M0+ and M4 boards (Nano 33 IoT, etc.). GitHub release
  10. Seeeduino SAMD core 1.8.3+ for SAMD21/SAMD51 boards (XIAO M0, Wio Terminal, etc.). Latest release
  11. Adafruit nRF52 v1.3.0+ for nRF52 boards such as Adafruit NRF52840_FEATHER, NRF52832_FEATHER, NRF52840_FEATHER_SENSE, NRF52840_ITSYBITSY, NRF52840_CIRCUITPLAY, NRF52840_CLUE, NRF52840_METRO, NRF52840_PCA10056, PARTICLE_XENON, NINA_B302_ublox, etc. GitHub release
  12. Arduino Core for STM32 v2.3.0+ for STM32F/L/H/G/WB/MP1 boards. GitHub release
  13. Arduino mbed_rp2040 core 3.3.0+ for Arduino RP2040-based boards, such as Arduino Nano RP2040 Connect, RASPBERRY_PI_PICO, etc.. GitHub release
  14. Earle Philhower's arduino-pico core v2.5.4+ for RP2040-based boards such as RASPBERRY_PI_PICO, ADAFRUIT_FEATHER_RP2040 and GENERIC_RP2040, etc. GitHub release
  15. Arduino AmebaD core 3.1.4+ for Realtek RTL8720DN, RTL8722DM and RTL8722CSM. GitHub release
  16. Time v1.6.1+. GitHub release. For PIO Time library
  17. Depending on which board you're using:
  1. Depending on which Ethernet card/module/shield you're using:
  1. WiFiNINA_Generic library v1.8.14-6+ to use WiFiNINA modules/shields if using WiFiNINA for boards such as Nano 33 IoT, nRF52, Teensy, etc. GitHub release
  2. WiFiWebServer library v1.9.5+ to use WiFi/WiFiNINA modules/shields. GitHub release
  3. EthernetWebServer library v2.2.3+ to use Ethernet modules/shields on boards other than STM32F/L/H/G/WB/MP1. GitHub release
  4. EthernetWebServer_STM32 library v1.5.0+ to use Ethernet modules/shields on STM32F/L/H/G/WB/MP1 boards. GitHub release
  5. ESP8266_AT_WebServer library v1.5.4+ to use ESP8266-AT/ESP32-AT WiFi modules/shields. GitHub release
  6. DS323x_Generic library v1.3.1+ to use examples using DS323x RTC modules/shields. GitHub release
  7. STM32RTC library v1.3.1+ to use STM32 examples using built-in STM32 RTC. GitHub release.
  8. WebServer_WT32_ETH01 library v1.5.1+ to use WT32_ETH01 (ESP32 + LAN8720). GitHub release
  9. WiFiWebServer_RTL8720 library v1.1.2+ to use Realtek RTL8720DN, etc. GitHub release


Installation

Use Arduino Library Manager

The best and easiest way is to use Arduino Library Manager. Search for Timezone_Generic, then select / install the latest version. You can also use this link arduino-library-badge for more detailed instructions.

Manual Install

Another way to install is to:

  1. Navigate to Timezone_Generic page.
  2. Download the latest release Timezone_Generic-master.zip.
  3. Extract the zip file to Timezone_Generic-master directory
  4. Copy whole Timezone_Generic-master/src folder to Arduino libraries' directory such as ~/Arduino/libraries/.

VS Code & PlatformIO

  1. Install VS Code
  2. Install PlatformIO
  3. Install Timezone_Generic library by using Library Manager. Search for Timezone_Generic in Platform.io Author's Libraries
  4. Use included platformio.ini file from examples to ensure that all dependent libraries will installed automatically. Please visit documentation for the other options and examples at Project Configuration File


Packages' Patches

1. For Adafruit nRF52840 and nRF52832 boards

To be able to compile, run and automatically detect and display BOARD_NAME on nRF52840/nRF52832 boards, you have to copy the whole nRF52 Packages_Patches directory into Adafruit nRF52 directory (~/.arduino15/packages/adafruit/hardware/nrf52/1.3.0).

Supposing the Adafruit nRF52 version is 1.3.0. These files must be copied into the directory:

  • ~/.arduino15/packages/adafruit/hardware/nrf52/1.3.0/platform.txt
  • ~/.arduino15/packages/adafruit/hardware/nrf52/1.3.0/boards.txt
  • ~/.arduino15/packages/adafruit/hardware/nrf52/1.3.0/cores/nRF5/Udp.h
  • ~/.arduino15/packages/adafruit/hardware/nrf52/1.3.0/cores/nRF5/Print.h
  • ~/.arduino15/packages/adafruit/hardware/nrf52/1.3.0/cores/nRF5/Print.cpp
  • ~/.arduino15/packages/adafruit/hardware/nrf52/1.3.0/variants/NINA_B302_ublox/variant.h
  • ~/.arduino15/packages/adafruit/hardware/nrf52/1.3.0/variants/NINA_B302_ublox/variant.cpp
  • ~/.arduino15/packages/adafruit/hardware/nrf52/1.3.0/variants/NINA_B112_ublox/variant.h
  • ~/.arduino15/packages/adafruit/hardware/nrf52/1.3.0/variants/NINA_B112_ublox/variant.cpp
  • ~/.arduino15/packages/adafruit/hardware/nrf52/1.3.0/cores/nRF5/Udp.h

Whenever a new version is installed, remember to copy these files into the new version directory. For example, new version is x.yy.z These files must be copied into the directory:

  • ~/.arduino15/packages/adafruit/hardware/nrf52/x.yy.z/platform.txt
  • ~/.arduino15/packages/adafruit/hardware/nrf52/x.yy.z/boards.txt
  • ~/.arduino15/packages/adafruit/hardware/nrf52/x.yy.z/cores/nRF5/Udp.h
  • ~/.arduino15/packages/adafruit/hardware/nrf52/x.yy.z/cores/nRF5/Print.h
  • ~/.arduino15/packages/adafruit/hardware/nrf52/x.yy.z/cores/nRF5/Print.cpp
  • ~/.arduino15/packages/adafruit/hardware/nrf52/x.yy.z/variants/NINA_B302_ublox/variant.h
  • ~/.arduino15/packages/adafruit/hardware/nrf52/x.yy.z/variants/NINA_B302_ublox/variant.cpp
  • ~/.arduino15/packages/adafruit/hardware/nrf52/x.yy.z/variants/NINA_B112_ublox/variant.h
  • ~/.arduino15/packages/adafruit/hardware/nrf52/x.yy.z/variants/NINA_B112_ublox/variant.cpp
  • ~/.arduino15/packages/adafruit/hardware/nrf52/x.yy.z/cores/nRF5/Udp.h

2. For Teensy boards

To be able to compile and run on Teensy boards, you have to copy the files in Packages_Patches for Teensy directory into Teensy hardware directory (./arduino-1.8.19/hardware/teensy/avr/boards.txt).

Supposing the Arduino version is 1.8.19. These files must be copied into the directory:

  • ./arduino-1.8.19/hardware/teensy/avr/boards.txt
  • ./arduino-1.8.19/hardware/teensy/avr/cores/teensy/Stream.h
  • ./arduino-1.8.19/hardware/teensy/avr/cores/teensy3/Stream.h
  • ./arduino-1.8.19/hardware/teensy/avr/cores/teensy4/Stream.h

Whenever a new version is installed, remember to copy this file into the new version directory. For example, new version is x.yy.zz These files must be copied into the directory:

  • ./arduino-x.yy.zz/hardware/teensy/avr/boards.txt
  • ./arduino-x.yy.zz/hardware/teensy/avr/cores/teensy/Stream.h
  • ./arduino-x.yy.zz/hardware/teensy/avr/cores/teensy3/Stream.h
  • ./arduino-x.yy.zz/hardware/teensy/avr/cores/teensy4/Stream.h

3. For Arduino SAM DUE boards

To be able to compile and run on SAM DUE boards, you have to copy the whole SAM DUE directory into Arduino sam directory (~/.arduino15/packages/arduino/hardware/sam/1.6.12).

Supposing the Arduino SAM core version is 1.6.12. This file must be copied into the directory:

  • ~/.arduino15/packages/arduino/hardware/sam/1.6.12/platform.txt

Whenever a new version is installed, remember to copy this file into the new version directory. For example, new version is x.yy.zz This file must be copied into the directory:

  • ~/.arduino15/packages/arduino/hardware/sam/x.yy.zz/platform.txt

4. For Arduino SAMD boards

To be able to compile, run and automatically detect and display BOARD_NAME on Arduino SAMD (Nano-33-IoT, etc) boards, you have to copy the whole Arduino SAMD Packages_Patches directory into Arduino SAMD directory (~/.arduino15/packages/arduino/hardware/samd/1.8.13).

For core version v1.8.10+

Supposing the Arduino SAMD version is 1.8.13. Now only one file must be copied into the directory:

  • ~/.arduino15/packages/arduino/hardware/samd/1.8.13/platform.txt

Whenever a new version is installed, remember to copy this files into the new version directory. For example, new version is x.yy.zz

This file must be copied into the directory:

  • ~/.arduino15/packages/arduino/hardware/samd/x.yy.zz/platform.txt

For core version v1.8.9-

Supposing the Arduino SAMD version is 1.8.9. These files must be copied into the directory:

  • ~/.arduino15/packages/arduino/hardware/samd/1.8.9/platform.txt
  • ~/.arduino15/packages/arduino/hardware/samd/1.8.9/cores/arduino/Arduino.h

Whenever a new version is installed, remember to copy these files into the new version directory. For example, new version is x.yy.z

These files must be copied into the directory:

  • ~/.arduino15/packages/arduino/hardware/samd/x.yy.z/platform.txt
  • ~/.arduino15/packages/arduino/hardware/samd/x.yy.z/cores/arduino/Arduino.h

This is mandatory to fix the notorious Arduino SAMD compiler error. See Improve Arduino compatibility with the STL (min and max macro)

 ...\arm-none-eabi\include\c++\7.2.1\bits\stl_algobase.h:243:56: error: macro "min" passed 3 arguments, but takes just 2
     min(const _Tp& __a, const _Tp& __b, _Compare __comp)

Whenever the above-mentioned compiler error issue is fixed with the new Arduino SAMD release, you don't need to copy the Arduino.h file anymore.

5. For Adafruit SAMD boards

To be able to compile, run and automatically detect and display BOARD_NAME on Adafruit SAMD (Itsy-Bitsy M4, etc) boards, you have to copy the whole Adafruit SAMD Packages_Patches directory into Adafruit samd directory (~/.arduino15/packages/adafruit/hardware/samd/1.7.10).

Supposing the Adafruit SAMD core version is 1.7.10. This file must be copied into the directory:

  • ~/.arduino15/packages/adafruit/hardware/samd/1.7.10/platform.txt
  • ~/.arduino15/packages/adafruit/hardware/samd/1.7.10/cores/arduino/Print.h
  • ~/.arduino15/packages/adafruit/hardware/samd/1.7.10/cores/arduino/Print.cpp

Whenever a new version is installed, remember to copy this file into the new version directory. For example, new version is x.yy.zz This file must be copied into the directory:

  • ~/.arduino15/packages/adafruit/hardware/samd/x.yy.zz/platform.txt
  • ~/.arduino15/packages/adafruit/hardware/samd/x.yy.zz/cores/arduino/Print.h
  • ~/.arduino15/packages/adafruit/hardware/samd/x.yy.zz/cores/arduino/Print.cpp

6. For Seeeduino SAMD boards

To be able to compile, run and automatically detect and display BOARD_NAME on Seeeduino SAMD (XIAO M0, Wio Terminal, etc) boards, you have to copy the whole Seeeduino SAMD Packages_Patches directory into Seeeduino samd directory (~/.arduino15/packages/Seeeduino/hardware/samd/1.8.3).

Supposing the Seeeduino SAMD core version is 1.8.3. This file must be copied into the directory:

  • ~/.arduino15/packages/Seeeduino/hardware/samd/1.8.3/platform.txt
  • ~/.arduino15/packages/Seeeduino/hardware/samd/1.8.3/cores/arduino/Arduino.h
  • ~/.arduino15/packages/Seeeduino/hardware/samd/1.8.3/cores/arduino/Print.h
  • ~/.arduino15/packages/Seeeduino/hardware/samd/1.8.3/cores/arduino/Print.cpp

Whenever a new version is installed, remember to copy this file into the new version directory. For example, new version is x.yy.zz This file must be copied into the directory:

  • ~/.arduino15/packages/Seeeduino/hardware/samd/x.yy.zz/platform.txt
  • ~/.arduino15/packages/Seeeduino/hardware/samd/x.yy.zz/cores/arduino/Arduino.h
  • ~/.arduino15/packages/Seeeduino/hardware/samd/x.yy.zz/cores/arduino/Print.h
  • ~/.arduino15/packages/Seeeduino/hardware/samd/x.yy.zz/cores/arduino/Print.cpp

7. For STM32 boards

7.1 For STM32 boards to use LAN8720

To use LAN8720 on some STM32 boards

  • Nucleo-144 (F429ZI, NUCLEO_F746NG, NUCLEO_F746ZG, NUCLEO_F756ZG)
  • Discovery (DISCO_F746NG)
  • STM32F4 boards (BLACK_F407VE, BLACK_F407VG, BLACK_F407ZE, BLACK_F407ZG, BLACK_F407VE_Mini, DIYMORE_F407VGT, FK407M1)

you have to copy the files stm32f4xx_hal_conf_default.h and stm32f7xx_hal_conf_default.h into STM32 stm32 directory (~/.arduino15/packages/STM32/hardware/stm32/2.3.0/system) to overwrite the old files.

Supposing the STM32 stm32 core version is 2.3.0. These files must be copied into the directory:

  • ~/.arduino15/packages/STM32/hardware/stm32/2.3.0/system/STM32F4xx/stm32f4xx_hal_conf_default.h for STM32F4.
  • ~/.arduino15/packages/STM32/hardware/stm32/2.3.0/system/STM32F7xx/stm32f7xx_hal_conf_default.h for Nucleo-144 STM32F7.

Whenever a new version is installed, remember to copy this file into the new version directory. For example, new version is x.yy.zz, these files must be copied into the corresponding directory:

  • ~/.arduino15/packages/STM32/hardware/stm32/x.yy.zz/system/STM32F4xx/stm32f4xx_hal_conf_default.h
  • `~/.arduino15/packages/STM32/hardware/stm32/x.yy.zz/system/STM32F7xx/stm32f7xx_hal_conf_default.h

7.2 For STM32 boards to use Serial1

To use Serial1 on some STM32 boards without Serial1 definition (Nucleo-144 NUCLEO_F767ZI, Nucleo-64 NUCLEO_L053R8, etc.) boards, you have to copy the files STM32 variant.h into STM32 stm32 directory (~/.arduino15/packages/STM32/hardware/stm32/2.3.0). You have to modify the files corresponding to your boards, this is just an illustration how to do.

Supposing the STM32 stm32 core version is 2.3.0. These files must be copied into the directory:

  • ~/.arduino15/packages/STM32/hardware/stm32/2.3.0/variants/STM32F7xx/F765Z(G-I)T_F767Z(G-I)T_F777ZIT/NUCLEO_F767ZI/variant.h for Nucleo-144 NUCLEO_F767ZI.
  • ~/.arduino15/packages/STM32/hardware/stm32/2.3.0/variants/STM32L0xx/L052R(6-8)T_L053R(6-8)T_L063R8T/NUCLEO_L053R8/variant.h for Nucleo-64 NUCLEO_L053R8.

Whenever a new version is installed, remember to copy this file into the new version directory. For example, new version is x.yy.zz, these files must be copied into the corresponding directory:

  • ~/.arduino15/packages/STM32/hardware/stm32/x.yy.zz/variants/STM32F7xx/F765Z(G-I)T_F767Z(G-I)T_F777ZIT/NUCLEO_F767ZI/variant.h
  • ~/.arduino15/packages/STM32/hardware/stm32/x.yy.zz/variants/STM32L0xx/L052R(6-8)T_L053R(6-8)T_L063R8T/NUCLEO_L053R8/variant.h

8. For RP2040-based boards using Earle Philhower arduino-pico core

8.1 To use BOARD_NAME

To be able to automatically detect and display BOARD_NAME on RP2040-based boards (RASPBERRY_PI_PICO, ADAFRUIT_FEATHER_RP2040, GENERIC_RP2040, etc) boards, you have to copy the file RP2040 platform.txt into rp2040 directory (~/.arduino15/packages/rp2040/hardware/rp2040/1.4.0).

Supposing the rp2040 core version is 1.4.0. This file must be copied into the directory:

  • ~/.arduino15/packages/rp2040/hardware/rp2040/1.4.0/platform.txt

Whenever a new version is installed, remember to copy this file into the new version directory. For example, new version is x.yy.zz This file must be copied into the directory:

  • ~/.arduino15/packages/rp2040/hardware/rp2040/x.yy.zz/platform.txt

With core after v1.5.0, this step is not necessary anymore thanks to the PR Add -DBOARD_NAME="{build.board}" #136.

8.2 To avoid compile error relating to microsecondsToClockCycles

Some libraries, such as Adafruit DHT-sensor-library, require the definition of microsecondsToClockCycles(). To be able to compile and run on RP2040-based boards, you have to copy the files in RP2040 Arduino.h into rp2040 directory (~/.arduino15/packages/rp2040/hardware/rp2040/1.4.0).

Supposing the rp2040 core version is 1.4.0. This file must be copied to replace:

  • ~/.arduino15/packages/rp2040/hardware/rp2040/1.4.0/cores/rp2040/Arduino.h

Whenever a new version is installed, remember to copy this file into the new version directory. For example, new version is x.yy.zz This file must be copied to replace:

  • ~/.arduino15/packages/rp2040/hardware/rp2040/x.yy.zz/cores/rp2040/Arduino.h

With core after v1.5.0, this step is not necessary anymore thanks to the PR Add defs for compatibility #142.

9. For Portenta_H7 boards using Arduino IDE in Linux

To be able to upload firmware to Portenta_H7 using Arduino IDE in Linux (Ubuntu, etc.), you have to copy the file portenta_post_install.sh into mbed_portenta directory (~/.arduino15/packages/arduino/hardware/mbed_portenta/3.3.0/portenta_post_install.sh).

Then run the following command using sudo

$ cd ~/.arduino15/packages/arduino/hardware/mbed_portenta/3.3.0
$ chmod 755 portenta_post_install.sh
$ sudo ./portenta_post_install.sh

This will create the file /etc/udev/rules.d/49-portenta_h7.rules as follows:

# Portenta H7 bootloader mode UDEV rules

SUBSYSTEMS=="usb", ATTRS{idVendor}=="2341", ATTRS{idProduct}=="035b", GROUP="plugdev", MODE="0666"

Supposing the ArduinoCore-mbed core version is 3.3.0. Now only one file must be copied into the directory:

  • ~/.arduino15/packages/arduino/hardware/mbed_portenta/3.3.0/portenta_post_install.sh

Whenever a new version is installed, remember to copy this files into the new version directory. For example, new version is x.yy.zz

This file must be copied into the directory:

  • ~/.arduino15/packages/arduino/hardware/mbed_portenta/x.yy.zz/portenta_post_install.sh

10. For RTL8720DN boards using AmebaD core

To avoid compile error relating to PROGMEM, you have to copy the file Realtek AmebaD core pgmspace.h into Realtek AmebaD directory (~/.arduino15/packages/realtek/hardware/AmebaD/3.1.4/cores/arduino/avr/pgmspace.h).

Supposing the Realtek AmebaD core version is 3.1.4. This file must be copied into the directory:

  • ~/.arduino15/packages/realtek/hardware/AmebaD/3.1.4/cores/arduino/avr/pgmspace.h

Whenever a new version is installed, remember to copy this file into the new version directory. For example, new version is x.yy.zz This file must be copied into the directory:

  • ~/.arduino15/packages/realtek/hardware/AmebaD/x.yy.zz/cores/arduino/avr/pgmspace.h

11. For SAMD21 and SAMD51 boards using ArduinoCore-fab-sam core

To avoid compile error relating to SAMD21/SAMD51, you have to copy the file ArduinoCore-fab-sam core pgmspace.h into ArduinoCore-fab-sam samd directory (~/.arduino15/packages/Fab_SAM_Arduino/hardware/samd/1.7.0/boards.txt).

Supposing the ArduinoCore-fab-sam samd core version is 1.7.0. This file must be copied into the directory:

  • ~/.arduino15/packages/Fab_SAM_Arduino/hardware/samd/1.7.0/boards.txt

Whenever a new version is installed, remember to copy this file into the new version directory. For example, new version is x.yy.zz This file must be copied into the directory:

  • ~/.arduino15/packages/Fab_SAM_Arduino/hardware/samd/x.yy.zz/boards.txt

12. For Seeeduino RP2040 boards

To be able to compile, run and automatically detect and display BOARD_NAME on Seeeduino RP2040 (XIAO RP2040, Wio RP2040 Mini) boards, you have to copy the whole Seeeduino RP2040 Packages_Patches directory into Seeeduino samd directory (~/.arduino15/packages/Seeeduino/hardware/rp2040/2.7.2).

Supposing the Seeeduino SAMD core version is 2.7.2. This file must be copied into the directory:

  • ~/.arduino15/packages/Seeeduino/hardware/rp2040/2.7.2/boards.txt
  • ~/.arduino15/packages/Seeeduino/hardware/rp2040/2.7.2/variants/Seeed_XIAO_RP2040/pins_arduino.h

Whenever a new version is installed, remember to copy this file into the new version directory. For example, new version is x.yy.zz This file must be copied into the directory:

  • ~/.arduino15/packages/Seeeduino/hardware/samd/x.yy.zz/boards.txt
  • ~/.arduino15/packages/Seeeduino/hardware/samd/x.yy.zz/variants/Seeed_XIAO_RP2040/pins_arduino.h


Libraries' Patches

1. For application requiring 2K+ HTML page

If your application requires 2K+ HTML page, the current Ethernet library must be modified if you are using W5200/W5500 Ethernet shields. W5100 is not supported for 2K+ buffer. If you use boards requiring different CS/SS pin for W5x00 Ethernet shield, for example ESP32, ESP8266, nRF52, etc., you also have to modify the following libraries to be able to specify the CS/SS pin correctly.

2. For Ethernet library

To fix Ethernet library, just copy these following files into the Ethernet library directory to overwrite the old files:

3. For EthernetLarge library

To fix EthernetLarge library, just copy these following files into the EthernetLarge library directory to overwrite the old files:

4. For Ethernet2 library

To fix Ethernet2 library, just copy these following files into the Ethernet2 library directory to overwrite the old files:

To add UDP Multicast support, necessary for the UPnP_Generic library:

5. For Ethernet3 library

  1. To fix Ethernet3 library, just copy these following files into the Ethernet3 library directory to overwrite the old files:

6. For UIPEthernet library

To be able to compile and run on nRF52 boards with ENC28J60 using UIPEthernet library, you have to copy these following files into the UIPEthernet utility directory to overwrite the old files:

7. For fixing ESP32 compile error

To fix ESP32 compile error, just copy the following file into the ESP32 cores/esp32 directory (e.g. ./arduino-1.8.13/hardware/espressif/cores/esp32) to overwrite the old file:

8. For fixing ESP8266 compile error

To fix ESP8266 compile error such as

error: 'class EthernetClass' has no member named 'init'
Ethernet.init (USE_THIS_SS_PIN);

just rename the following file in ./arduino-1.8.13/hardware/esp8266com/esp8266/libraries/Ethernet directory

  • From Ethernet.h to Ethernet_ESP8266.h


HOWTO Fix Multiple Definitions Linker Error

The current library implementation, using xyz-Impl.h instead of standard xyz.cpp, possibly creates certain Multiple Definitions Linker error in certain use cases.

You can use

#include <Timezone_Generic.hpp>               //https://github.com/khoih-prog/Timezone_Generic

in many files. But be sure to use the following #include <Timezone_Generic.h> in just 1 .h, .cpp or .ino file, which must not be included in any other file, to avoid Multiple Definitions Linker Error

// To be included only in main(), .ino with setup() to avoid `Multiple Definitions` Linker Error
#include <Timezone_Generic.h>                //https://github.com/khoih-prog/Timezone_Generic


Note for Platform IO using ESP32 LittleFS

Necessary only for esp32 core v1.0.6-

From esp32 core v1.0.6+, LittleFS_esp32 v1.0.6 has been included and this step is not necessary anymore.

In Platform IO, to fix the error when using LittleFS_esp32 v1.0 for ESP32-based boards with ESP32 core v1.0.4- (ESP-IDF v3.2-), uncomment the following line

from

//#define CONFIG_LITTLEFS_FOR_IDF_3_2   /* For old IDF - like in release 1.0.4 */

to

#define CONFIG_LITTLEFS_FOR_IDF_3_2   /* For old IDF - like in release 1.0.4 */

It's advisable to use the latest LittleFS_esp32 v1.0.5+ to avoid the issue.

Thanks to Roshan to report the issue in Error esp_littlefs.c 'utime_p'



HOWTO Use analogRead() with ESP32 running WiFi and/or BlueTooth (BT/BLE)

Please have a look at ESP_WiFiManager Issue 39: Not able to read analog port when using the autoconnect example to have more detailed description and solution of the issue.

1. ESP32 has 2 ADCs, named ADC1 and ADC2

2. ESP32 ADCs functions

  • ADC1 controls ADC function for pins GPIO32-GPIO39
  • ADC2 controls ADC function for pins GPIO0, 2, 4, 12-15, 25-27

3.. ESP32 WiFi uses ADC2 for WiFi functions

Look in file adc_common.c

In ADC2, there're two locks used for different cases:

  1. lock shared with app and Wi-Fi: ESP32: When Wi-Fi using the ADC2, we assume it will never stop, so app checks the lock and returns immediately if failed. ESP32S2: The controller's control over the ADC is determined by the arbiter. There is no need to control by lock.

  2. lock shared between tasks: when several tasks sharing the ADC2, we want to guarantee all the requests will be handled. Since conversions are short (about 31us), app returns the lock very soon, we use a spinlock to stand there waiting to do conversions one by one.

adc2_spinlock should be acquired first, then adc2_wifi_lock or rtc_spinlock.

  • In order to use ADC2 for other functions, we have to acquire complicated firmware locks and very difficult to do
  • So, it's not advisable to use ADC2 with WiFi/BlueTooth (BT/BLE).
  • Use ADC1, and pins GPIO32-GPIO39
  • If somehow it's a must to use those pins serviced by ADC2 (GPIO0, 2, 4, 12, 13, 14, 15, 25, 26 and 27), use the fix mentioned at the end of ESP_WiFiManager Issue 39: Not able to read analog port when using the autoconnect example to work with ESP32 WiFi/BlueTooth (BT/BLE).


Usage

TimeChangeRules struct

Normally these will be coded in pairs for a given time zone: One rule to describe when daylight (summer, DST) time starts, and one to describe when standard time starts.

As an example, here in the Eastern US time zone, Eastern Daylight Time (EDT) starts on the 2nd Sunday in March at 02:00 local time. Eastern Standard Time (EST) starts on the 1st Sunday in November at 02:00 local time.

Define a TimeChangeRule as follows:

TimeChangeRule myRule = {abbrev, week, dow, month, hour, offset};

Where:

abbrev is a character string abbreviation for the time zone; it must be no longer than five characters.

week is the week of the month that the rule starts.

dow is the day of the week that the rule starts.

hour is the hour in local time that the rule starts (0-23).

offset is the UTC offset in minutes for the time zone being defined.

For convenience, the following symbolic names can be used:

week: First, Second, Third, Fourth, Last dow: Sun, Mon, Tue, Wed, Thu, Fri, Sat month: Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec

For the Eastern US time zone, the TimeChangeRules could be defined as follows:

TimeChangeRule usEDT = {"EDT", Second, Sun, Mar, 2, -240};  //UTC - 4 hours
TimeChangeRule usEST = {"EST", First, Sun, Nov, 2, -300};   //UTC - 5 hours

Timezone class

There are several ways to define Timezone objects.

1. Using initialized Timezone

By first defining TimeChangeRules and giving the daylight time rule and the standard time rule (assuming usEDT and usEST defined as above):

Timezone usEastern(usEDT, usEST);

or

Timezone *usEastern;

usEastern = new Timezone(usEDT, usEST);

For a time zone that does not change to daylight/summer time, pass a single rule to the constructor. For example:

Timezone usAZ(usMST, usMST);

By reading rules previously stored in EEPROM/DueFlashStorage/FlashStorage/LittleFS/SPIFFS. This reads both the daylight and standard time rules previously stored at EEPROM/DueFlashStorage/FlashStorage address 0 or LittleFS/SPIFFS file timezone.dat offset 0 :

Timezone usPacific(0);

Note that TimeChangeRules require TZ_DATA_SIZE (12) bytes of storage each, so the pair of rules associated with a Timezone object requires 24 bytes total. This could possibly change in future versions of the library. The size of a TimeChangeRule can be checked with TZ_DATA_SIZE or sizeof(TimeChangeRule).

2. Using un-initialized Timezone (from v1.2.6)

Just initialize the Timezone object without any TimeChangeRule.

#define USING_INITIALIZED_TZ      false   //true

#if USING_INITIALIZED_TZ
  // US Eastern Time Zone (New York, Detroit,Toronto)
  TimeChangeRule myDST = {"EDT", Second, Sun, Mar, 2, -240};    // Daylight time = UTC - 4 hours
  TimeChangeRule mySTD = {"EST", First,  Sun, Nov, 2, -300};    // Standard time = UTC - 5 hours
  Timezone *myTZ;
#else
  // Allow a "blank" TZ object pointer then use init() method to set the actual TZ.
  // Feature added by 6v6gt (https://forum.arduino.cc/index.php?topic=711259)
  Timezone *myTZ ;
  TimeChangeRule myDST;
  TimeChangeRule mySTD;
#endif

then in setup(), get the correct TimeChangeRule (from SAM DUE DueFlashStorage, SAMD FlashStorage, nRF52 LittleFS, STM32 and AVR EEPROM, etc. or from any input), and initialized the Timezone.

#if (USING_INITIALIZED_TZ)

  myTZ = new Timezone(myDST, mySTD);

#else

  // Can read this info from EEPROM, storage, etc
  String tzName = "EDT/EST" ;

  // Time zone rules can be set as below or dynamically built, say through a configuration
  // interface, or fetched from eeprom, flash etc.

  if ( tzName == "EDT/EST" )
  {
    // America Eastern Time
    myDST = (TimeChangeRule) {
      "EDT",  Second, Sun, Mar, 2, -240
    };     // Daylight time = UTC - 4 hours
    mySTD = (TimeChangeRule) {
      "EST",  First,  Sun, Nov, 2, -300
    };     // Standard time = UTC - 5 hours
  }
  else if ( tzName == "CET/CEST" )
  {
    // central Europe
    myDST = (TimeChangeRule) {
      "CEST", Last, Sun, Mar, 2, 120
    };
    mySTD = (TimeChangeRule) {
      "CET",  Last, Sun, Oct, 3, 60
    };
  }

  else if ( tzName == "GMT/BST" )
  {
    // UK
    myDST = (TimeChangeRule) {
      "BST",  Last, Sun, Mar, 1, 60
    };
    mySTD = (TimeChangeRule) {
      "GMT",  Last, Sun, Oct, 2, 0
    };
  }

  myTZ = new Timezone();
  myTZ->init( myDST, mySTD );

#endif


Timezone_Generic library methods

Note that the time_t data type is defined by the Arduino Time library's <TimeLib.h>. See the Time library documentation here and here for additional details.


time_t toLocal(time_t utc);

Description

Converts the given UTC time to local time, standard or daylight as appropriate.

Syntax

myTZ.toLocal(utc);

Parameters

utc: Universal Coordinated Time (time_t)

Returns

Local time (time_t)

Example

time_t eastern, utc;
TimeChangeRule usEDT = {"EDT", Second, Sun, Mar, 2, -240};  //UTC - 4 hours
TimeChangeRule usEST = {"EST", First, Sun, Nov, 2, -300};   //UTC - 5 hours
Timezone usEastern(usEDT, usEST);

utc = now();	//current time from the Time Library
eastern = usEastern.toLocal(utc);

time_t toLocal(time_t utc, TimeChangeRule **tcr);

Description

As above, converts the given UTC time to local time, and also returns a pointer to the TimeChangeRule that was applied to do the conversion. This could then be used, for example, to include the time zone abbreviation as part of a time display. The caller must take care not to alter the pointed TimeChangeRule, as this will then result in incorrect conversions.

Syntax

myTZ.toLocal(utc, &tcr);

Parameters

utc: Universal Coordinated Time (time_t) tcr: Address of a pointer to a TimeChangeRule (**TimeChangeRule)

Returns

Local time (time_t) Pointer to pointer TimeChangeRule (**TimeChangeRule)

Example

time_t eastern, utc;
TimeChangeRule *tcr;
TimeChangeRule usEDT = {"EDT", Second, Sun, Mar, 2, -240};  //UTC - 4 hours
TimeChangeRule usEST = {"EST", First, Sun, Nov, 2, -300};   //UTC - 5 hours
Timezone usEastern(usEDT, usEST);

utc = now();	//current time from the Time Library
eastern = usEastern.toLocal(utc, &tcr);

Serial.print("The time zone is: ");
Serial.println(tcr -> abbrev);

bool utcIsDST(time_t utc);

bool locIsDST(time_t local);

Description

These functions determine whether a given UTC time or a given local time is within the daylight saving (summer) time interval, and return true or false accordingly.

Syntax

utcIsDST(utc); locIsDST(local);

Parameters

utc: Universal Coordinated Time (time_t) local: Local Time (time_t)

Returns

true or false (bool)

Example

if (usEastern.utcIsDST(utc)) { /*do something*/ }


void readRules(int address);

void writeRules(int address);

Description

These functions read or write a Timezone object's two TimeChangeRules from or to EEPROM.

Syntax

myTZ.readRules(address); myTZ.writeRules(address);

Parameters

address: The beginning EEPROM address to write to or read from (int)

Returns

None.

Example

usEastern.writeRules(0); //write rules beginning at EEPROM address 0 or file offset 0


void setRules(TimeChangeRule dstStart, TimeChangeRule stdStart);

Description

This function reads or updates the daylight and standard time rules from RAM. Can be used to change TimeChangeRules dynamically while a sketch runs.

Syntax

myTZ.setRules(dstStart, stdStart);

Parameters

dstStart: A TimeChangeRule denoting the start of daylight saving (summer) time. stdStart: A TimeChangeRule denoting the start of standard time.

Returns

None.

Example

TimeChangeRule EDT = {"EDT", Second, Sun, Mar, 2, -240};
TimeChangeRule EST = {"EST", First, Sun, Nov, 2, -300};
Timezone tz(EDT, EST);
...
tz.setRules(EDT, EST);

time_t toUTC(time_t local);

Description

Converts the given local time to UTC time.

WARNING: This function is provided for completeness, but should seldom be needed and should be used sparingly and carefully.

Ambiguous situations occur after the Standard-to-DST and the DST-to-Standard time transitions. When changing to DST, there is one hour of local time that does not exist, since the clock moves forward one hour. Similarly, when changing to standard time, there is one hour of local time that occurs twice since the clock moves back one hour.

This function does not test whether it is passed an erroneous time value during the Local-to-DST transition that does not exist. If passed such a time, an incorrect UTC time value will be returned.

If passed a local time value during the DST-to-Local transition that occurs twice, it will be treated as the earlier time, i.e. the time that occurs before the transition.

Calling this function with local times during a transition interval should be avoided!

Syntax

myTZ.toUTC(local);

Parameters

local: Local Time (time_t)

Returns

UTC (time_t)


TimeChangeRule* read_DST_Rule(void);

TimeChangeRule* read_STD_Rule(void);

Description

Read the corresponding TimeChangeRule.

Syntax

TimeChangeRule* myDSTptr = myTZ.read_DST_Rule(); TimeChangeRule* mySTDptr = myTZ.read_STD_Rule();

Parameters

None

Returns

Pointer to TimeChangeRule (TimeChangeRule*)


void display_DST_Rule(void);

void display_STD_Rule(void);

Description

Display the corresponding TimeChangeRule.

Syntax

myTZ.display_DST_Rule(); myTZ.display_STD_Rule();

Parameters

None

Returns

None

Example

#define TZ_DBG_PORT         Serial
#define _TZ_LOGLEVEL_       1

TimeChangeRule EDT = {"EDT", Second, Sun, Mar, 2, -240};
TimeChangeRule EST = {"EST", First, Sun, Nov, 2, -300};
Timezone tz(EDT, EST);
...
tz.display_DST_Rule();
tz.display_STD_Rule();


Examples

Generic Boards

  1. tzTest
  2. WriteRules

Generic Boards with Ethernet

  1. RTC_Ethernet
  2. TZ_NTP_Clock_Ethernet
  3. TZ_NTP_WorldClock_Ethernet

STM32F/L/H/G/WB/MP1 Boards with Ethernet

  1. BI_RTC_Alarm_STM32_Ethernet
  2. BI_RTC_STM32_Ethernet
  3. RTC_STM32_Ethernet
  4. TZ_NTP_Clock_STM32_Ethernet
  5. TZ_NTP_WorldClock_STM32_Ethernet

Generic Boards with WiFiNINA

  1. RTC_WiFiNINA
  2. TZ_NTP_Clock_WiFiNINA
  3. TZ_NTP_WorldClock_WiFiNINA

WT32_ETH01 Boards

  1. TZ_NTP_Clock_WT32_ETH01
  2. TZ_NTP_WorldClock_WT32_ETH01

RTL8720DN Boards

  1. TZ_NTP_Clock_RTL8720DN
  2. TZ_NTP_WorldClock_RTL8720DN

Portenta_H7 WiFi

  1. TZ_NTP_Clock_WiFi New
  2. TZ_NTP_WorldClock_WiFi New

RP2040W Boards with CYW43439 WiFi

  1. RTC_RP2040W New
  2. TZ_NTP_Clock_RP2040W New
  3. TZ_NTP_WorldClock_RP2040W New


#include "defines.h"
//////////////////////////////////////////
#define TIMEZONE_GENERIC_VERSION_MIN_TARGET "Timezone_Generic v1.10.1"
#define TIMEZONE_GENERIC_VERSION_MIN 1010001
//////////////////////////////////////////
// To be included only in main(), .ino with setup() to avoid `Multiple Definitions` Linker Error
#include <Timezone_Generic.h> // https://github.com/khoih-prog/Timezone_Generic
#define USING_INITIALIZED_TZ false //true
#if USING_INITIALIZED_TZ
// US Eastern Time Zone (New York, Detroit,Toronto)
TimeChangeRule myDST = {"EDT", Second, Sun, Mar, 2, -240}; // Daylight time = UTC - 4 hours
TimeChangeRule mySTD = {"EST", First, Sun, Nov, 2, -300}; // Standard time = UTC - 5 hours
Timezone *myTZ;
#else
// Allow a "blank" TZ object then use begin() method to set the actual TZ.
// Feature added by 6v6gt (https://forum.arduino.cc/index.php?topic=711259)
Timezone *myTZ;
TimeChangeRule myDST;
TimeChangeRule mySTD;
#endif
// If TimeChangeRules are already stored in EEPROM, comment out the three
// lines above and uncomment the line below.
//Timezone myTZ(100); // assumes rules stored at EEPROM address 100
TimeChangeRule *tcr; // pointer to the time change rule, use to get TZ abbrev
//////////////////////////////////////////
char timeServer[] = "time.nist.gov"; // NTP server
unsigned int localPort = 2390; // local port to listen for UDP packets
const int NTP_PACKET_SIZE = 48; // NTP timestamp is in the first 48 bytes of the message
const int UDP_TIMEOUT = 2000; // timeout in miliseconds to wait for an UDP packet to arrive
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;
// send an NTP request to the time server at the given address
void sendNTPpacket(char *ntpSrv)
{
// 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(ntpSrv, 123); //NTP requests are to port 123
Udp.write(packetBuffer, NTP_PACKET_SIZE);
Udp.endPacket();
}
//////////////////////////////////////////
// format and print a time_t value, with a time zone appended.
void printDateTime(time_t t, const char *tz)
{
char buf[32];
char m[4]; // temporary storage for month string (DateStrings.cpp uses shared buffer)
strcpy(m, monthShortStr(month(t)));
sprintf(buf, "%.2d:%.2d:%.2d %s %.2d %s %d %s",
hour(t), minute(t), second(t), dayShortStr(weekday(t)), day(t), m, year(t), tz);
Serial.println(buf);
}
void displayClock(void)
{
time_t utc = now();
time_t local = myTZ->toLocal(utc, &tcr);
Serial.println();
printDateTime(utc, "UTC");
printDateTime(local, tcr -> abbrev);
delay(10000);
}
void getNTPTime(void)
{
static bool gotCurrentTime = false;
// Just get the correct ime once
if (!gotCurrentTime)
{
sendNTPpacket(timeServer); // send an NTP packet to a time server
// wait to see if a reply is available
delay(1000);
if (Udp.parsePacket())
{
Serial.println(F("Packet received"));
// 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, esxtract 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(F("Seconds since Jan 1 1900 = "));
Serial.println(secsSince1900);
// now convert NTP time into everyday time:
Serial.print(F("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;
// Get the time_t from epoch
time_t epoch_t = epoch;
// set the system time to UTC
// warning: assumes that compileTime() returns US EDT
// adjust the following line accordingly if you're in another time zone
setTime(epoch_t);
// print Unix time:
Serial.println(epoch);
// print the hour, minute and second:
Serial.print(F("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
gotCurrentTime = true;
}
else
{
// wait ten seconds before asking for the time again
delay(10000);
}
}
}
//////////////////////////////////////////
void setup()
{
Serial.begin(115200);
while (!Serial);
delay(200);
Serial.print(F("\nStart TZ_NTP_Clock_Ethernet on ")); Serial.print(BOARD_NAME);
Serial.print(F(" with ")); Serial.println(SHIELD_TYPE);
Serial.println(TIMEZONE_GENERIC_VERSION);
#if defined(TIMEZONE_GENERIC_VERSION_MIN)
if (TIMEZONE_GENERIC_VERSION_INT < TIMEZONE_GENERIC_VERSION_MIN)
{
Serial.print("Warning. Must use this example on Version equal or later than : ");
Serial.println(TIMEZONE_GENERIC_VERSION_MIN_TARGET);
}
#endif
#if USE_ETHERNET_PORTENTA_H7
ET_LOGWARN(F("======== USE_PORTENTA_H7_ETHERNET ========"));
#elif USE_NATIVE_ETHERNET
ET_LOGWARN(F("======== USE_NATIVE_ETHERNET ========"));
#elif USE_ETHERNET_GENERIC
ET_LOGWARN(F("=========== USE_ETHERNET_GENERIC ==========="));
#elif USE_ETHERNET_ESP8266
ET_LOGWARN(F("=========== USE_ETHERNET_ESP8266 ==========="));
#elif USE_ETHERNET_ENC
ET_LOGWARN(F("=========== USE_ETHERNET_ENC ==========="));
#else
ET_LOGWARN(F("========================="));
#endif
#if !(USE_NATIVE_ETHERNET || USE_ETHERNET_PORTENTA_H7)
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("MOSI:"), MOSI);
ET_LOGWARN1(F("MISO:"), MISO);
ET_LOGWARN1(F("SCK:"), SCK);
ET_LOGWARN1(F("SS:"), SS);
ET_LOGWARN(F("========================="));
#if defined(ESP8266)
// For ESP8266, change for other boards if necessary
#ifndef USE_THIS_SS_PIN
#define USE_THIS_SS_PIN D2 // For ESP8266
#endif
ET_LOGWARN1(F("ESP8266 setCsPin:"), USE_THIS_SS_PIN);
#if ( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC )
// For ESP8266
// Pin D0(GPIO16) D1(GPIO5) D2(GPIO4) D3(GPIO0) D4(GPIO2) D8
// EthernetGeneric X X X X X 0
// Ethernet_ESP8266 0 0 0 0 0 0
// D2 is safe to used for Ethernet, Ethernet2, Ethernet3, EthernetLarge libs
// Must use library patch for Ethernet, EthernetLarge libraries
Ethernet.init (USE_THIS_SS_PIN);
#elif USE_CUSTOM_ETHERNET
// You have to add initialization for your Custom Ethernet here
// This is just an example to setCSPin to USE_THIS_SS_PIN, and can be not correct and enough
Ethernet.init(USE_THIS_SS_PIN);
#endif //( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC )
#elif defined(ESP32)
// You can use Ethernet.init(pin) to configure the CS pin
//Ethernet.init(10); // Most Arduino shields
//Ethernet.init(5); // MKR ETH shield
//Ethernet.init(0); // Teensy 2.0
//Ethernet.init(20); // Teensy++ 2.0
//Ethernet.init(15); // ESP8266 with Adafruit Featherwing Ethernet
//Ethernet.init(33); // ESP32 with Adafruit Featherwing Ethernet
#ifndef USE_THIS_SS_PIN
#define USE_THIS_SS_PIN 5 //22 // For ESP32
#endif
ET_LOGWARN1(F("ESP32 setCsPin:"), USE_THIS_SS_PIN);
// For other boards, to change if necessary
#if ( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC )
// Must use library patch for Ethernet, EthernetLarge libraries
// ESP32 => GPIO2,4,5,13,15,21,22 OK with Ethernet, Ethernet2, EthernetLarge
// ESP32 => GPIO2,4,5,15,21,22 OK with Ethernet3
//Ethernet.setCsPin (USE_THIS_SS_PIN);
Ethernet.init (USE_THIS_SS_PIN);
#elif USE_CUSTOM_ETHERNET
// You have to add initialization for your Custom Ethernet here
// This is just an example to setCSPin to USE_THIS_SS_PIN, and can be not correct and enough
Ethernet.init(USE_THIS_SS_PIN);
#endif //( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC )
#elif ETHERNET_USE_RPIPICO
pinMode(USE_THIS_SS_PIN, OUTPUT);
digitalWrite(USE_THIS_SS_PIN, HIGH);
// ETHERNET_USE_RPIPICO, use default SS = 5 or 17
#ifndef USE_THIS_SS_PIN
#if defined(ARDUINO_ARCH_MBED)
#define USE_THIS_SS_PIN 5 // For Arduino Mbed core
#else
#define USE_THIS_SS_PIN 17 // For E.Philhower core
#endif
#endif
ET_LOGWARN1(F("RPIPICO setCsPin:"), USE_THIS_SS_PIN);
// For other boards, to change if necessary
#if ( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC )
// Must use library patch for Ethernet, EthernetLarge libraries
// For RPI Pico using Arduino Mbed RP2040 core
// SCK: GPIO2, MOSI: GPIO3, MISO: GPIO4, SS/CS: GPIO5
// For RPI Pico using E. Philhower RP2040 core
// SCK: GPIO18, MOSI: GPIO19, MISO: GPIO16, SS/CS: GPIO17
// Default pin 5/17 to SS/CS
//Ethernet.setCsPin (USE_THIS_SS_PIN);
Ethernet.init (USE_THIS_SS_PIN);
#endif //( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC )
#else //defined(ESP8266)
// unknown board, do nothing, use default SS = 10
#ifndef USE_THIS_SS_PIN
#define USE_THIS_SS_PIN 10 // For other boards
#endif
#if defined(BOARD_NAME)
ET_LOGWARN3(F("Board :"), BOARD_NAME, F(", setCsPin:"), USE_THIS_SS_PIN);
#else
ET_LOGWARN1(F("Unknown board setCsPin:"), USE_THIS_SS_PIN);
#endif
// For other boards, to change if necessary
#if ( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC || USE_NATIVE_ETHERNET )
// Must use library patch for Ethernet, Ethernet2, EthernetLarge libraries
Ethernet.init (USE_THIS_SS_PIN);
#elif USE_CUSTOM_ETHERNET
// You have to add initialization for your Custom Ethernet here
// This is just an example to setCSPin to USE_THIS_SS_PIN, and can be not correct and enough
Ethernet.init(USE_THIS_SS_PIN);
#endif //( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC )
#endif // defined(ESP8266)
#endif // #if !(USE_NATIVE_ETHERNET)
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
uint16_t index = millis() % NUMBER_OF_MAC;
// Use Static IP
//Ethernet.begin(mac[index], ip);
Ethernet.begin(mac[index]);
// Just info to know how to connect correctly
Serial.println(F("========================="));
Serial.println(F("Currently Used SPI pinout:"));
Serial.print(F("MOSI:"));
Serial.println(MOSI);
Serial.print(F("MISO:"));
Serial.println(MISO);
Serial.print(F("SCK:"));
Serial.println(SCK);
Serial.print(F("SS:"));
Serial.println(SS);
#if USE_ETHERNET3
Serial.print(F("SPI_CS:"));
Serial.println(SPI_CS);
#endif
Serial.println(F("========================="));
Serial.print(F("Using mac index = "));
Serial.println(index);
// you're connected now, so print out the data
Serial.print(F("You're connected to the network, IP = "));
Serial.println(Ethernet.localIP());
#if (USING_INITIALIZED_TZ)
myTZ = new Timezone(myDST, mySTD);
#else
// Can read this info from EEPROM, storage, etc
String tzName = "EDT/EST" ;
// Time zone rules can be set as below or dynamically built, say through a configuration
// interface, or fetched from eeprom, flash etc.
if ( tzName == "EDT/EST" )
{
// America Eastern Time
myDST = (TimeChangeRule) {"EDT", Second, Sun, Mar, 2, -240}; // Daylight time = UTC - 4 hours
mySTD = (TimeChangeRule) {"EST", First, Sun, Nov, 2, -300}; // Standard time = UTC - 5 hours
}
else if ( tzName == "CET/CEST" )
{
// central Europe
myDST = (TimeChangeRule) {"CEST", Last, Sun, Mar, 2, 120};
mySTD = (TimeChangeRule) {"CET", Last, Sun, Oct, 3, 60};
}
else if ( tzName == "GMT/BST" )
{
// UK
myDST = (TimeChangeRule) {"BST", Last, Sun, Mar, 1, 60};
mySTD = (TimeChangeRule) {"GMT", Last, Sun, Oct, 2, 0};
}
myTZ = new Timezone();
myTZ->init( myDST, mySTD );
#endif
myTZ->writeRules();
Udp.begin(localPort);
}
void loop()
{
getNTPTime();
displayClock();
}


2. File defines.h

#ifndef defines_h
#define defines_h
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
#define _TZ_LOGLEVEL_ 1
#if ( defined(ARDUINO_PORTENTA_H7_M7) || defined(ARDUINO_PORTENTA_H7_M4) )
#if defined(BOARD_NAME)
#undef BOARD_NAME
#endif
#if defined(CORE_CM7)
#warning Using Portenta H7 M7 core
#define BOARD_NAME "PORTENTA_H7_M7"
#else
#warning Using Portenta H7 M4 core
#define BOARD_NAME "PORTENTA_H7_M4"
#endif
#define ETHERNET_USE_PORTENTA_H7 true
#define USE_ETHERNET_PORTENTA_H7 true
#define USE_ETHERNET_WRAPPER false
#endif
#if ( defined(ARDUINO_SAMD_ZERO) || defined(ARDUINO_SAMD_MKR1000) || defined(ARDUINO_SAMD_MKRWIFI1010) \
|| defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_SAMD_MKRFox1200) || defined(ARDUINO_SAMD_MKRWAN1300) || defined(ARDUINO_SAMD_MKRWAN1310) \
|| defined(ARDUINO_SAMD_MKRGSM1400) || defined(ARDUINO_SAMD_MKRNB1500) || defined(ARDUINO_SAMD_MKRVIDOR4000) || defined(__SAMD21G18A__) \
|| defined(ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS) || defined(__SAMD21E18A__) || defined(__SAMD51__) || defined(__SAMD51J20A__) || defined(__SAMD51J19A__) \
|| defined(__SAMD51G19A__) || defined(__SAMD51P19A__) || defined(__SAMD21G18A__) )
#if defined(ETHERNET_USE_SAMD)
#undef ETHERNET_USE_SAMD
#endif
#define ETHERNET_USE_SAMD true
#endif
#if ( defined(NRF52840_FEATHER) || defined(NRF52832_FEATHER) || defined(NRF52_SERIES) || defined(ARDUINO_NRF52_ADAFRUIT) || \
defined(NRF52840_FEATHER_SENSE) || defined(NRF52840_ITSYBITSY) || defined(NRF52840_CIRCUITPLAY) || defined(NRF52840_CLUE) || \
defined(NRF52840_METRO) || defined(NRF52840_PCA10056) || defined(PARTICLE_XENON) || defined(NINA_B302_ublox) || defined(NINA_B112_ublox) )
#if defined(ETHERNET_USE_NRF528XX)
#undef ETHERNET_USE_NRF528XX
#endif
#define ETHERNET_USE_NRF528XX true
#endif
#if ( defined(ARDUINO_SAM_DUE) || defined(__SAM3X8E__) )
#if defined(ETHERNET_USE_SAM_DUE)
#undef ETHERNET_USE_SAM_DUE
#endif
#define ETHERNET_USE_SAM_DUE true
#endif
#if ( defined(ARDUINO_ARCH_RP2040) || defined(ARDUINO_RASPBERRY_PI_PICO) || defined(ARDUINO_ADAFRUIT_FEATHER_RP2040) || defined(ARDUINO_GENERIC_RP2040) )
#if defined(ETHERNET_USE_RPIPICO)
#undef ETHERNET_USE_RPIPICO
#endif
#define ETHERNET_USE_RPIPICO true
#endif
#if defined(ETHERNET_USE_SAMD)
// For SAMD
// Default pin 10 to SS/CS
#define USE_THIS_SS_PIN 10
#if ( defined(ARDUINO_SAMD_ZERO) && !defined(SEEED_XIAO_M0) )
#define BOARD_TYPE "SAMD Zero"
#elif defined(ARDUINO_SAMD_MKR1000)
#define BOARD_TYPE "SAMD MKR1000"
#elif defined(ARDUINO_SAMD_MKRWIFI1010)
#define BOARD_TYPE "SAMD MKRWIFI1010"
#elif defined(ARDUINO_SAMD_NANO_33_IOT)
#define BOARD_TYPE "SAMD NANO_33_IOT"
#elif defined(ARDUINO_SAMD_MKRFox1200)
#define BOARD_TYPE "SAMD MKRFox1200"
#elif ( defined(ARDUINO_SAMD_MKRWAN1300) || defined(ARDUINO_SAMD_MKRWAN1310) )
#define BOARD_TYPE "SAMD MKRWAN13X0"
#elif defined(ARDUINO_SAMD_MKRGSM1400)
#define BOARD_TYPE "SAMD MKRGSM1400"
#elif defined(ARDUINO_SAMD_MKRNB1500)
#define BOARD_TYPE "SAMD MKRNB1500"
#elif defined(ARDUINO_SAMD_MKRVIDOR4000)
#define BOARD_TYPE "SAMD MKRVIDOR4000"
#elif defined(ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS)
#define BOARD_TYPE "SAMD ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS"
#elif defined(ADAFRUIT_FEATHER_M0_EXPRESS)
#define BOARD_TYPE "SAMD21 ADAFRUIT_FEATHER_M0_EXPRESS"
#elif defined(ADAFRUIT_METRO_M0_EXPRESS)
#define BOARD_TYPE "SAMD21 ADAFRUIT_METRO_M0_EXPRESS"
#elif defined(ADAFRUIT_CIRCUITPLAYGROUND_M0)
#define BOARD_TYPE "SAMD21 ADAFRUIT_CIRCUITPLAYGROUND_M0"
#elif defined(ADAFRUIT_GEMMA_M0)
#define BOARD_TYPE "SAMD21 ADAFRUIT_GEMMA_M0"
#elif defined(ADAFRUIT_TRINKET_M0)
#define BOARD_TYPE "SAMD21 ADAFRUIT_TRINKET_M0"
#elif defined(ADAFRUIT_ITSYBITSY_M0)
#define BOARD_TYPE "SAMD21 ADAFRUIT_ITSYBITSY_M0"
#elif defined(ARDUINO_SAMD_HALLOWING_M0)
#define BOARD_TYPE "SAMD21 ARDUINO_SAMD_HALLOWING_M0"
#elif defined(ADAFRUIT_METRO_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_METRO_M4_EXPRESS"
#elif defined(ADAFRUIT_GRAND_CENTRAL_M4)
#define BOARD_TYPE "SAMD51 ADAFRUIT_GRAND_CENTRAL_M4"
#elif defined(ADAFRUIT_FEATHER_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_FEATHER_M4_EXPRESS"
#elif defined(ADAFRUIT_ITSYBITSY_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_ITSYBITSY_M4_EXPRESS"
#define USE_THIS_SS_PIN 10
#elif defined(ADAFRUIT_TRELLIS_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_TRELLIS_M4_EXPRESS"
#elif defined(ADAFRUIT_PYPORTAL)
#define BOARD_TYPE "SAMD51 ADAFRUIT_PYPORTAL"
#elif defined(ADAFRUIT_PYPORTAL_M4_TITANO)
#define BOARD_TYPE "SAMD51 ADAFRUIT_PYPORTAL_M4_TITANO"
#elif defined(ADAFRUIT_PYBADGE_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_PYBADGE_M4_EXPRESS"
#elif defined(ADAFRUIT_METRO_M4_AIRLIFT_LITE)
#define BOARD_TYPE "SAMD51 ADAFRUIT_METRO_M4_AIRLIFT_LITE"
#elif defined(ADAFRUIT_PYGAMER_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_PYGAMER_M4_EXPRESS"
#elif defined(ADAFRUIT_PYGAMER_ADVANCE_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_PYGAMER_ADVANCE_M4_EXPRESS"
#elif defined(ADAFRUIT_PYBADGE_AIRLIFT_M4)
#define BOARD_TYPE "SAMD51 ADAFRUIT_PYBADGE_AIRLIFT_M4"
#elif defined(ADAFRUIT_MONSTER_M4SK_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_MONSTER_M4SK_EXPRESS"
#elif defined(ADAFRUIT_HALLOWING_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_HALLOWING_M4_EXPRESS"
#elif defined(SEEED_WIO_TERMINAL)
#define BOARD_TYPE "SAMD SEEED_WIO_TERMINAL"
#elif defined(SEEED_FEMTO_M0)
#define BOARD_TYPE "SAMD SEEED_FEMTO_M0"
#elif defined(SEEED_XIAO_M0)
#define BOARD_TYPE "SAMD SEEED_XIAO_M0"
#ifdef USE_THIS_SS_PIN
#undef USE_THIS_SS_PIN
#endif
#define USE_THIS_SS_PIN A1
#warning define SEEED_XIAO_M0 USE_THIS_SS_PIN == A1
#elif defined(Wio_Lite_MG126)
#define BOARD_TYPE "SAMD SEEED Wio_Lite_MG126"
#elif defined(WIO_GPS_BOARD)
#define BOARD_TYPE "SAMD SEEED WIO_GPS_BOARD"
#elif defined(SEEEDUINO_ZERO)
#define BOARD_TYPE "SAMD SEEEDUINO_ZERO"
#elif defined(SEEEDUINO_LORAWAN)
#define BOARD_TYPE "SAMD SEEEDUINO_LORAWAN"
#elif defined(SEEED_GROVE_UI_WIRELESS)
#define BOARD_TYPE "SAMD SEEED_GROVE_UI_WIRELESS"
#elif defined(__SAMD21E18A__)
#define BOARD_TYPE "SAMD21E18A"
#elif defined(__SAMD21G18A__)
#define BOARD_TYPE "SAMD21G18A"
#elif defined(__SAMD51G19A__)
#define BOARD_TYPE "SAMD51G19A"
#elif defined(__SAMD51J19A__)
#define BOARD_TYPE "SAMD51J19A"
#elif defined(__SAMD51J20A__)
#define BOARD_TYPE "SAMD51J20A"
#elif defined(__SAM3X8E__)
#define BOARD_TYPE "SAM3X8E"
#elif defined(__CPU_ARC__)
#define BOARD_TYPE "CPU_ARC"
#elif defined(__SAMD51__)
#define BOARD_TYPE "SAMD51"
#else
#define BOARD_TYPE "SAMD Unknown"
#endif
#elif (ETHERNET_USE_SAM_DUE)
// Default pin 10 to SS/CS
#define USE_THIS_SS_PIN 10
#define BOARD_TYPE "SAM DUE"
#elif (ETHERNET_USE_NRF528XX)
// Default pin 10 to SS/CS
#define USE_THIS_SS_PIN 10
#if defined(NRF52840_FEATHER)
#define BOARD_TYPE "NRF52840_FEATHER"
#elif defined(NRF52832_FEATHER)
#define BOARD_TYPE "NRF52832_FEATHER"
#elif defined(NRF52840_FEATHER_SENSE)
#define BOARD_TYPE "NRF52840_FEATHER_SENSE"
#elif defined(NRF52840_ITSYBITSY)
#define BOARD_TYPE "NRF52840_ITSYBITSY"
#define USE_THIS_SS_PIN 10 // For other boards
#elif defined(NRF52840_CIRCUITPLAY)
#define BOARD_TYPE "NRF52840_CIRCUITPLAY"
#elif defined(NRF52840_CLUE)
#define BOARD_TYPE "NRF52840_CLUE"
#elif defined(NRF52840_METRO)
#define BOARD_TYPE "NRF52840_METRO"
#elif defined(NRF52840_PCA10056)
#define BOARD_TYPE "NRF52840_PCA10056"
#elif defined(NINA_B302_ublox)
#define BOARD_TYPE "NINA_B302_ublox"
#elif defined(NINA_B112_ublox)
#define BOARD_TYPE "NINA_B112_ublox"
#elif defined(PARTICLE_XENON)
#define BOARD_TYPE "PARTICLE_XENON"
#elif defined(ARDUINO_NRF52_ADAFRUIT)
#define BOARD_TYPE "ARDUINO_NRF52_ADAFRUIT"
#else
#define BOARD_TYPE "nRF52 Unknown"
#endif
#elif ( defined(CORE_TEENSY) )
// Default pin 10 to SS/CS
#define USE_THIS_SS_PIN 10
#if defined(__IMXRT1062__)
// For Teensy 4.1/4.0
#if defined(ARDUINO_TEENSY41)
#define BOARD_TYPE "TEENSY 4.1"
// Use true for NativeEthernet Library, false if using other Ethernet libraries
#define USE_NATIVE_ETHERNET true
#elif defined(ARDUINO_TEENSY40)
#define BOARD_TYPE "TEENSY 4.0"
#else
#define BOARD_TYPE "TEENSY 4.x"
#endif
#elif defined(__MK66FX1M0__)
#define BOARD_TYPE "Teensy 3.6"
#elif defined(__MK64FX512__)
#define BOARD_TYPE "Teensy 3.5"
#elif defined(__MKL26Z64__)
#define BOARD_TYPE "Teensy LC"
#elif defined(__MK20DX256__)
#define BOARD_TYPE "Teensy 3.2" // and Teensy 3.1 (obsolete)
#elif defined(__MK20DX128__)
#define BOARD_TYPE "Teensy 3.0"
#elif defined(__AVR_AT90USB1286__)
#error Teensy 2.0++ not supported yet
#elif defined(__AVR_ATmega32U4__)
#error Teensy 2.0 not supported yet
#else
// For Other Boards
#define BOARD_TYPE "Unknown Teensy Board"
#endif
#elif ( defined(ESP8266) )
// For ESP8266
#warning Use ESP8266 architecture
#include <ESP8266mDNS.h>
#define ETHERNET_USE_ESP8266
#define BOARD_TYPE ARDUINO_BOARD
#elif ( defined(ESP32) )
// For ESP32
#warning Use ESP32 architecture
#define ETHERNET_USE_ESP32
#define BOARD_TYPE ARDUINO_BOARD
#define W5500_RST_PORT 21
#elif ETHERNET_USE_RPIPICO
// Default pin 5 (in Mbed) or 17 to SS/CS
#if defined(ARDUINO_ARCH_MBED)
// For RPI Pico using Arduino Mbed RP2040 core
// SCK: GPIO2, MOSI: GPIO3, MISO: GPIO4, SS/CS: GPIO5
#define USE_THIS_SS_PIN 17 //5
#if defined(BOARD_NAME)
#undef BOARD_NAME
#endif
#if defined(ARDUINO_RASPBERRY_PI_PICO)
#define BOARD_TYPE "MBED RASPBERRY_PI_PICO"
#elif defined(ARDUINO_ADAFRUIT_FEATHER_RP2040)
#define BOARD_TYPE "MBED DAFRUIT_FEATHER_RP2040"
#elif defined(ARDUINO_GENERIC_RP2040)
#define BOARD_TYPE "MBED GENERIC_RP2040"
#else
#define BOARD_TYPE "MBED Unknown RP2040"
#endif
#else
// For RPI Pico using E. Philhower RP2040 core
// SCK: GPIO18, MOSI: GPIO19, MISO: GPIO16, SS/CS: GPIO17
#define USE_THIS_SS_PIN 17
#endif
#define SS_PIN_DEFAULT USE_THIS_SS_PIN
// For RPI Pico
#warning Use RPI-Pico RP2040 architecture
#else
// For Mega
// Default pin 10 to SS/CS
#define USE_THIS_SS_PIN 10
// Reduce size for Mega
#define SENDCONTENT_P_BUFFER_SZ 512
#define BOARD_TYPE "AVR Mega"
#endif
#ifndef BOARD_NAME
#define BOARD_NAME BOARD_TYPE
#endif
#include <SPI.h>
//#define USE_ETHERNET_WRAPPER true
#define USE_ETHERNET_WRAPPER false
// Use true for ENC28J60 and UIPEthernet library (https://github.com/UIPEthernet/UIPEthernet)
// Use false for W5x00 and Ethernetx library (https://www.arduino.cc/en/Reference/Ethernet)
//#define USE_UIP_ETHERNET true
#define USE_UIP_ETHERNET false
// Note: To rename ESP628266 Ethernet lib files to Ethernet_ESP8266.h and Ethernet_ESP8266.cpp
// In order to USE_ETHERNET_ESP8266
#if ( !defined(USE_UIP_ETHERNET) || !USE_UIP_ETHERNET )
// To override the default CS/SS pin. Don't use unless you know exactly which pin to use
// You can define here or customize for each board at same place with BOARD_TYPE
// Check @ defined(SEEED_XIAO_M0)
//#define USE_THIS_SS_PIN 22 //21 //5 //4 //2 //15
// Only one if the following to be true
#define USE_ETHERNET_GENERIC true
#define USE_ETHERNET_ESP8266 false
#define USE_ETHERNET_ENC false
#define USE_CUSTOM_ETHERNET false
#if !USE_ETHERNET_WRAPPER
#if ( USE_ETHERNET_GENERIC || USE_ETHERNET_ESP8266 || USE_ETHERNET_ENC || \
USE_NATIVE_ETHERNET || USE_ETHERNET_PORTENTA_H7 )
#ifdef USE_CUSTOM_ETHERNET
#undef USE_CUSTOM_ETHERNET
#endif
#define USE_CUSTOM_ETHERNET false
#endif
#if USE_ETHERNET_PORTENTA_H7
#include <Portenta_Ethernet.h>
#include <Ethernet.h>
#warning Using Portenta_Ethernet lib for Portenta_H7.
#define SHIELD_TYPE "Ethernet using Portenta_Ethernet Library"
#elif USE_NATIVE_ETHERNET
#include "NativeEthernet.h"
#warning Using NativeEthernet lib for Teensy 4.1. Must also use Teensy Packages Patch or error
#define SHIELD_TYPE "Custom Ethernet using Teensy 4.1 NativeEthernet Library"
#elif USE_ETHERNET_GENERIC
#if (ESP32)
#include <soc/spi_pins.h>
// Optional SPI2
#define USING_SPI2 true
#if USING_SPI2
#define PIN_MISO HSPI_IOMUX_PIN_NUM_MISO
#define PIN_MOSI HSPI_IOMUX_PIN_NUM_MOSI
#define PIN_SCK HSPI_IOMUX_PIN_NUM_CLK
#define PIN_SS HSPI_IOMUX_PIN_NUM_CS
#define SHIELD_TYPE "W5x00 using Ethernet_Generic Library on SPI2"
#else
#define PIN_MISO MISO
#define PIN_MOSI MOSI
#define PIN_SCK SCK
#define PIN_SS SS
#define SHIELD_TYPE "W5x00 using Ethernet_Generic Library on SPI"
#endif
#else
#define SHIELD_TYPE "W5x00 using Ethernet_Generic Library"
#endif
#define ETHERNET_LARGE_BUFFERS
#define _ETG_LOGLEVEL_ 1
#include "Ethernet_Generic.h"
#warning Using Ethernet_Generic lib
#elif USE_ETHERNET_ESP8266
#include "Ethernet_ESP8266.h"
#warning Using Ethernet_ESP8266 lib
#define SHIELD_TYPE "W5x00 using Ethernet_ESP8266 Library"
#elif USE_ETHERNET_ENC
#include "EthernetENC.h"
#warning Using EthernetENC lib
#define SHIELD_TYPE "ENC28J60 using EthernetENC Library"
#elif USE_CUSTOM_ETHERNET
//#include "Ethernet_XYZ.h"
#include "EthernetENC.h"
#warning Using Custom Ethernet library. You must include a library and initialize.
#define SHIELD_TYPE "Custom Ethernet using Ethernet_XYZ Library"
#else
#ifdef USE_ETHERNET_GENERIC
#undef USE_ETHERNET_GENERIC
#endif
#define USE_ETHERNET_GENERIC true
#include "Ethernet_Generic.h"
#warning Using default Ethernet_Generic lib
#define SHIELD_TYPE "W5x00 using default Ethernet_Generic Library"
#endif
// Ethernet_Shield_W5200, EtherCard, EtherSia not supported
// Select just 1 of the following #include if uncomment #define USE_CUSTOM_ETHERNET
// Otherwise, standard Ethernet library will be used for W5x00
#endif // USE_ETHERNET_WRAPPER
#elif USE_UIP_ETHERNET
#include "UIPEthernet.h"
#warning Using UIPEthernet library
#define SHIELD_TYPE "ENC28J60 using UIPEthernet Library"
#endif // #if !USE_UIP_ETHERNET
#include <EthernetWebServer.h>
#ifndef SHIELD_TYPE
#define SHIELD_TYPE "Unknown Ethernet shield/library"
#endif
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress ip(192, 168, 2, 222);
// Google DNS Server IP
IPAddress myDns(8, 8, 8, 8);
#endif //defines_h



Debug Terminal Output Samples

1. TZ_NTP_WorldClock_Ethernet on NRF52840_FEATHER with ENC28J60

The following is debug terminal output when running example TZ_NTP_WorldClock_Ethernet on Adafruit NRF52840_FEATHER_EXPRESS with ENC28J60 using EthernetENC Library

Start TZ_NTP_WorldClock_Ethernet on NRF52840_FEATHER with ENC28J60 using EthernetENC Library
Timezone_Generic v1.10.1
[EWS] =========================
[EWS] Default SPI pinout:
[EWS] MOSI: 25
[EWS] MISO: 24
[EWS] SCK: 26
[EWS] SS: 5
[EWS] =========================
[EWS] Board : NRF52840_FEATHER , setCsPin: 10
=========================
Currently Used SPI pinout:
MOSI:25
MISO:24
SCK:26
SS:5
=========================
Using mac index = 9
You're connected to the network, IP = 192.168.2.89

Packet received
Seconds since Jan 1 1900 = 3858290300
Unix time = 1649301500
The UTC time is 3:18:20

13:18:20 Thu 07 Apr 2022 AEST Sydney
06:18:20 Thu 07 Apr 2022 MSK  Moscow
05:18:20 Thu 07 Apr 2022 CEST Paris
04:18:20 Thu 07 Apr 2022 BST  London
03:18:20 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:20 Wed 06 Apr 2022 EDT  New York
22:18:20 Wed 06 Apr 2022 CDT  Chicago
21:18:20 Wed 06 Apr 2022 MDT  Denver
20:18:20 Wed 06 Apr 2022 MST  Phoenix
20:18:20 Wed 06 Apr 2022 PDT  Los Angeles

13:18:30 Thu 07 Apr 2022 AEST Sydney
06:18:30 Thu 07 Apr 2022 MSK  Moscow
05:18:30 Thu 07 Apr 2022 CEST Paris
04:18:30 Thu 07 Apr 2022 BST  London
03:18:30 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:30 Wed 06 Apr 2022 EDT  New York
22:18:30 Wed 06 Apr 2022 CDT  Chicago
21:18:30 Wed 06 Apr 2022 MDT  Denver
20:18:30 Wed 06 Apr 2022 MST  Phoenix
20:18:30 Wed 06 Apr 2022 PDT  Los Angeles

2. TZ_NTP_WorldClock_Ethernet on NRF52840_FEATHER with W5500

The following is debug terminal output when running example TZ_NTP_WorldClock_Ethernet on Adafruit NRF52840_FEATHER_EXPRESS with W5500 using Ethernet_Generic Library

Start TZ_NTP_WorldClock_Ethernet on NRF52840_FEATHER with W5x00 using Ethernet_Generic Library
Timezone_Generic v1.10.1
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 25
[EWS] MISO: 24
[EWS] SCK: 26
[EWS] SS: 5
[EWS] =========================
[EWS] Board : NRF52840_FEATHER , setCsPin: 10
_pinCS = 0
W5100 init, using SS_PIN_DEFAULT = 10, new ss_pin = 10, W5100Class::ss_pin = 10
W5100::init: W5500, SSIZE =8192
=========================
Currently Used SPI pinout:
MOSI:25
MISO:24
SCK:26
SS:5
=========================
Using mac index = 0
You're connected to the network, IP = 192.168.2.84

Packet received
Seconds since Jan 1 1900 = 3858290300
Unix time = 1649301500
The UTC time is 3:18:20

13:18:20 Thu 07 Apr 2022 AEST Sydney
06:18:20 Thu 07 Apr 2022 MSK  Moscow
05:18:20 Thu 07 Apr 2022 CEST Paris
04:18:20 Thu 07 Apr 2022 BST  London
03:18:20 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:20 Wed 06 Apr 2022 EDT  New York
22:18:20 Wed 06 Apr 2022 CDT  Chicago
21:18:20 Wed 06 Apr 2022 MDT  Denver
20:18:20 Wed 06 Apr 2022 MST  Phoenix
20:18:20 Wed 06 Apr 2022 PDT  Los Angeles

13:18:30 Thu 07 Apr 2022 AEST Sydney
06:18:30 Thu 07 Apr 2022 MSK  Moscow
05:18:30 Thu 07 Apr 2022 CEST Paris
04:18:30 Thu 07 Apr 2022 BST  London
03:18:30 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:30 Wed 06 Apr 2022 EDT  New York
22:18:30 Wed 06 Apr 2022 CDT  Chicago
21:18:30 Wed 06 Apr 2022 MDT  Denver
20:18:30 Wed 06 Apr 2022 MST  Phoenix
20:18:30 Wed 06 Apr 2022 PDT  Los Angeles

3. TZ_NTP_WorldClock_WiFiNINA on SAMD_NANO_33_IOT with WiFiNINA

The following is debug terminal output when running example TZ_NTP_WorldClock_WiFiNINA on Arduino SAMD21 SAMD_NANO_33_IOT with WiFiNINA using WiFiNINA_Generic Library

Starting TZ_NTP_WorldClock_WiFiNINA on SAMD_NANO_33_IOT with WiFiNINA using WiFiNINA_Generic Library
Timezone_Generic v1.10.1
Connecting to WPA SSID: HueNet1
You're connected to the network, IP = 192.168.2.128
Listening on port 2390

Packet received
Seconds since Jan 1 1900 = 3858290300
Unix time = 1649301500
The UTC time is 3:18:20

13:18:20 Thu 07 Apr 2022 AEST Sydney
06:18:20 Thu 07 Apr 2022 MSK  Moscow
05:18:20 Thu 07 Apr 2022 CEST Paris
04:18:20 Thu 07 Apr 2022 BST  London
03:18:20 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:20 Wed 06 Apr 2022 EDT  New York
22:18:20 Wed 06 Apr 2022 CDT  Chicago
21:18:20 Wed 06 Apr 2022 MDT  Denver
20:18:20 Wed 06 Apr 2022 MST  Phoenix
20:18:20 Wed 06 Apr 2022 PDT  Los Angeles

13:18:30 Thu 07 Apr 2022 AEST Sydney
06:18:30 Thu 07 Apr 2022 MSK  Moscow
05:18:30 Thu 07 Apr 2022 CEST Paris
04:18:30 Thu 07 Apr 2022 BST  London
03:18:30 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:30 Wed 06 Apr 2022 EDT  New York
22:18:30 Wed 06 Apr 2022 CDT  Chicago
21:18:30 Wed 06 Apr 2022 MDT  Denver
20:18:30 Wed 06 Apr 2022 MST  Phoenix
20:18:30 Wed 06 Apr 2022 PDT  Los Angeles

4. RTC_STM32_Ethernet on STM32F7 Nucleo-144 NUCLEO_F767ZI with W5500

The following is debug terminal output when running example RTC_STM32_Ethernet on STM32F7 Nucleo-144 NUCLEO_F767ZI with W5500 using Ethernet_Generic Library

Start RTC_STM32_Ethernet on NUCLEO_F767ZI, using W5x00 & Ethernet_Generic Library
Timezone_Generic v1.10.1
DS323x_Generic v1.3.1
[EWS] Board : NUCLEO_F767ZI , setCsPin: 10
[EWS] Default SPI pinout:
[EWS] MOSI: 11
[EWS] MISO: 12
[EWS] SCK: 13
[EWS] SS: 10
[EWS] =========================
You're connected to the network, IP = 192.168.2.117

Packet received
Seconds since Jan 1 1900 = 3858289514
Unix time = 1649300714
The UTC time is 3:05:14


03:05:14 Thu 07 Apr 2022 UTC
23:05:14 Wed 06 Apr 2022 EDT

03:05:23 Thu 07 Apr 2022 UTC
23:05:23 Wed 06 Apr 2022 EDT

03:05:33 Thu 07 Apr 2022 UTC
23:05:33 Wed 06 Apr 2022 EDT

5. RTC_Ethernet on Arduino SAM DUE with W5100

The following is debug terminal output when running example RTC_Ethernet on Arduino SAM DUE with W5100 using Ethernet_Generic Library

Start RTC_Ethernet on SAM DUE with W5x00 using Ethernet_Generic Library
Timezone_Generic v1.10.1
DS323x_Generic v1.3.1
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 75
[EWS] MISO: 74
[EWS] SCK: 76
[EWS] SS: 10
[EWS] =========================
[EWS] Board : SAM DUE , setCsPin: 10
_pinCS = 0
W5100 init, using SS_PIN_DEFAULT = 10, new ss_pin = 10, W5100Class::ss_pin = 10
W5100::init: W5100, SSIZE =4096
=========================
Currently Used SPI pinout:
MOSI:75
MISO:74
SCK:76
SS:10
=========================
Using mac index = 5
You're connected to the network, IP = 192.168.2.108
============================

03:06:43 Thu 07 Apr 2022 UTC
23:06:43 Wed 06 Apr 2022 EDT

03:06:53 Thu 07 Apr 2022 UTC
23:06:53 Wed 06 Apr 2022 EDT

6. RTC_Ethernet on Adafruit NRF52840_FEATHER with W5500

The following is debug terminal output when running example RTC_Ethernet on Adafruit NRF52840_FEATHER with W5500 using Ethernet_Generic Library

Start RTC_Ethernet on NRF52840_FEATHER with W5x00 using Ethernet_Generic Library
Timezone_Generic v1.10.1
DS323x_Generic v1.3.1
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 25
[EWS] MISO: 24
[EWS] SCK: 26
[EWS] SS: 5
[EWS] =========================
[EWS] Board : NRF52840_FEATHER , setCsPin: 10
_pinCS = 0
W5100 init, using SS_PIN_DEFAULT = 10, new ss_pin = 10, W5100Class::ss_pin = 10
W5100::init: W5500, SSIZE =8192
=========================
Currently Used SPI pinout:
MOSI:25
MISO:24
SCK:26
SS:5
=========================
Using mac index = 3
You're connected to the network, IP = 192.168.2.99

Packet received
Seconds since Jan 1 1900 = 3858289514
Unix time = 1649300714
The UTC time is 3:05:14

03:05:14 Thu 07 Apr 2022 UTC
23:05:14 Wed 06 Apr 2022 EDT

03:05:23 Thu 07 Apr 2022 UTC
23:05:23 Wed 06 Apr 2022 EDT

03:05:33 Thu 07 Apr 2022 UTC
23:05:33 Wed 06 Apr 2022 EDT

7. tzTest on Adafruit NRF52840_FEATHER

The following is debug terminal output when running example tzTest on NRF52840_FEATHER

Starting TZTest on NRF52840_FEATHER
Timezone_Generic v1.10.1
-------- Apr-2018 time change --------
13:59:57 Sat 31 Mar 2018 UTC = 02:59:57 Sun 01 Apr 2018 NZDT
13:59:58 Sat 31 Mar 2018 UTC = 02:59:58 Sun 01 Apr 2018 NZDT
13:59:59 Sat 31 Mar 2018 UTC = 02:59:59 Sun 01 Apr 2018 NZDT
14:00:00 Sat 31 Mar 2018 UTC = 02:00:00 Sun 01 Apr 2018 NZST
14:00:01 Sat 31 Mar 2018 UTC = 02:00:01 Sun 01 Apr 2018 NZST
14:00:02 Sat 31 Mar 2018 UTC = 02:00:02 Sun 01 Apr 2018 NZST

-------- Sep-2018 time change --------
13:59:57 Sat 29 Sep 2018 UTC = 01:59:57 Sun 30 Sep 2018 NZST
13:59:58 Sat 29 Sep 2018 UTC = 01:59:58 Sun 30 Sep 2018 NZST
13:59:59 Sat 29 Sep 2018 UTC = 01:59:59 Sun 30 Sep 2018 NZST
14:00:00 Sat 29 Sep 2018 UTC = 03:00:00 Sun 30 Sep 2018 NZDT
14:00:01 Sat 29 Sep 2018 UTC = 03:00:01 Sun 30 Sep 2018 NZDT
14:00:02 Sat 29 Sep 2018 UTC = 03:00:02 Sun 30 Sep 2018 NZDT

-------- Apr-2019 time change --------
13:59:57 Sat 06 Apr 2019 UTC = 02:59:57 Sun 07 Apr 2019 NZDT
13:59:58 Sat 06 Apr 2019 UTC = 02:59:58 Sun 07 Apr 2019 NZDT
13:59:59 Sat 06 Apr 2019 UTC = 02:59:59 Sun 07 Apr 2019 NZDT
14:00:00 Sat 06 Apr 2019 UTC = 02:00:00 Sun 07 Apr 2019 NZST
14:00:01 Sat 06 Apr 2019 UTC = 02:00:01 Sun 07 Apr 2019 NZST
14:00:02 Sat 06 Apr 2019 UTC = 02:00:02 Sun 07 Apr 2019 NZST

-------- Sep-2019 time change --------
13:59:57 Sat 28 Sep 2019 UTC = 01:59:57 Sun 29 Sep 2019 NZST
13:59:58 Sat 28 Sep 2019 UTC = 01:59:58 Sun 29 Sep 2019 NZST
13:59:59 Sat 28 Sep 2019 UTC = 01:59:59 Sun 29 Sep 2019 NZST
14:00:00 Sat 28 Sep 2019 UTC = 03:00:00 Sun 29 Sep 2019 NZDT
14:00:01 Sat 28 Sep 2019 UTC = 03:00:01 Sun 29 Sep 2019 NZDT
14:00:02 Sat 28 Sep 2019 UTC = 03:00:02 Sun 29 Sep 2019 NZDT

-------- Apr-2020 time change --------
13:59:57 Sat 04 Apr 2020 UTC = 02:59:57 Sun 05 Apr 2020 NZDT
13:59:58 Sat 04 Apr 2020 UTC = 02:59:58 Sun 05 Apr 2020 NZDT
13:59:59 Sat 04 Apr 2020 UTC = 02:59:59 Sun 05 Apr 2020 NZDT
14:00:00 Sat 04 Apr 2020 UTC = 02:00:00 Sun 05 Apr 2020 NZST
14:00:01 Sat 04 Apr 2020 UTC = 02:00:01 Sun 05 Apr 2020 NZST
14:00:02 Sat 04 Apr 2020 UTC = 02:00:02 Sun 05 Apr 2020 NZST

-------- Sep-2020 time change --------
13:59:57 Sat 26 Sep 2020 UTC = 01:59:57 Sun 27 Sep 2020 NZST
13:59:58 Sat 26 Sep 2020 UTC = 01:59:58 Sun 27 Sep 2020 NZST
13:59:59 Sat 26 Sep 2020 UTC = 01:59:59 Sun 27 Sep 2020 NZST
14:00:00 Sat 26 Sep 2020 UTC = 03:00:00 Sun 27 Sep 2020 NZDT
14:00:01 Sat 26 Sep 2020 UTC = 03:00:01 Sun 27 Sep 2020 NZDT
14:00:02 Sat 26 Sep 2020 UTC = 03:00:02 Sun 27 Sep 2020 NZDT

-------- Mar-2018 time change --------
06:59:57 Sun 11 Mar 2018 UTC = 01:59:57 Sun 11 Mar 2018 EST
06:59:58 Sun 11 Mar 2018 UTC = 01:59:58 Sun 11 Mar 2018 EST
06:59:59 Sun 11 Mar 2018 UTC = 01:59:59 Sun 11 Mar 2018 EST
07:00:00 Sun 11 Mar 2018 UTC = 03:00:00 Sun 11 Mar 2018 EDT
07:00:01 Sun 11 Mar 2018 UTC = 03:00:01 Sun 11 Mar 2018 EDT
07:00:02 Sun 11 Mar 2018 UTC = 03:00:02 Sun 11 Mar 2018 EDT

-------- Nov-2018 time change --------
05:59:57 Sun 04 Nov 2018 UTC = 01:59:57 Sun 04 Nov 2018 EDT
05:59:58 Sun 04 Nov 2018 UTC = 01:59:58 Sun 04 Nov 2018 EDT
05:59:59 Sun 04 Nov 2018 UTC = 01:59:59 Sun 04 Nov 2018 EDT
06:00:00 Sun 04 Nov 2018 UTC = 01:00:00 Sun 04 Nov 2018 EST
06:00:01 Sun 04 Nov 2018 UTC = 01:00:01 Sun 04 Nov 2018 EST
06:00:02 Sun 04 Nov 2018 UTC = 01:00:02 Sun 04 Nov 2018 EST

-------- Mar-2019 time change --------
06:59:57 Sun 10 Mar 2019 UTC = 01:59:57 Sun 10 Mar 2019 EST
06:59:58 Sun 10 Mar 2019 UTC = 01:59:58 Sun 10 Mar 2019 EST
06:59:59 Sun 10 Mar 2019 UTC = 01:59:59 Sun 10 Mar 2019 EST
07:00:00 Sun 10 Mar 2019 UTC = 03:00:00 Sun 10 Mar 2019 EDT
07:00:01 Sun 10 Mar 2019 UTC = 03:00:01 Sun 10 Mar 2019 EDT
07:00:02 Sun 10 Mar 2019 UTC = 03:00:02 Sun 10 Mar 2019 EDT

-------- Nov-2019 time change --------
05:59:57 Sun 03 Nov 2019 UTC = 01:59:57 Sun 03 Nov 2019 EDT
05:59:58 Sun 03 Nov 2019 UTC = 01:59:58 Sun 03 Nov 2019 EDT
05:59:59 Sun 03 Nov 2019 UTC = 01:59:59 Sun 03 Nov 2019 EDT
06:00:00 Sun 03 Nov 2019 UTC = 01:00:00 Sun 03 Nov 2019 EST
06:00:01 Sun 03 Nov 2019 UTC = 01:00:01 Sun 03 Nov 2019 EST
06:00:02 Sun 03 Nov 2019 UTC = 01:00:02 Sun 03 Nov 2019 EST

-------- Mar-2020 time change --------
06:59:57 Sun 08 Mar 2020 UTC = 01:59:57 Sun 08 Mar 2020 EST
06:59:58 Sun 08 Mar 2020 UTC = 01:59:58 Sun 08 Mar 2020 EST
06:59:59 Sun 08 Mar 2020 UTC = 01:59:59 Sun 08 Mar 2020 EST
07:00:00 Sun 08 Mar 2020 UTC = 03:00:00 Sun 08 Mar 2020 EDT
07:00:01 Sun 08 Mar 2020 UTC = 03:00:01 Sun 08 Mar 2020 EDT
07:00:02 Sun 08 Mar 2020 UTC = 03:00:02 Sun 08 Mar 2020 EDT

-------- Nov-2020 time change --------
05:59:57 Sun 01 Nov 2020 UTC = 01:59:57 Sun 01 Nov 2020 EDT
05:59:58 Sun 01 Nov 2020 UTC = 01:59:58 Sun 01 Nov 2020 EDT
05:59:59 Sun 01 Nov 2020 UTC = 01:59:59 Sun 01 Nov 2020 EDT
06:00:00 Sun 01 Nov 2020 UTC = 01:00:00 Sun 01 Nov 2020 EST
06:00:01 Sun 01 Nov 2020 UTC = 01:00:01 Sun 01 Nov 2020 EST
06:00:02 Sun 01 Nov 2020 UTC = 01:00:02 Sun 01 Nov 2020 EST

8. WriteRules on Adafruit NRF52840_FEATHER using LittleFS

The following is debug terminal output when running example WriteRules on NRF52840_FEATHER using LittleFS

Start WriteRules on NRF52840_FEATHER
Timezone_Generic v1.10.1
[TZ] Saving m_dst & m_std to TZ_file : /timezone.dat , data offset = 0
[TZ] Saving to TZ_file OK
WriteRules done
[TZ] Reading m_dst & m_std from TZ_file : /timezone.dat , data offset = 0
[TZ] Reading from TZ_file OK
readRules done
[TZ] DST rule
[TZ] abbrev : EDT , week : 2
[TZ] dow : 1 , month : 3
[TZ] hour : 2 , offset : -240
[TZ] DST rule
[TZ] abbrev : EST , week : 1
[TZ] dow : 1 , month : 11
[TZ] hour : 2 , offset : -300

9. WriteRules on SAMD_NANO_33_IOT using FlashStorage_SAMD

The following is debug terminal output when running example WriteRules on Arduino SAMD21 SAMD_NANO_33_IOT using FlashStorage_SAMD

Start WriteRules on SAMD_NANO_33_IOT
Timezone_Generic v1.10.1
WriteRules done
readRules done
[TZ] DST rule
[TZ] abbrev : EDT , week : 2
[TZ] dow : 1 , month : 3
[TZ] hour : 2 , offset : -240
[TZ] DST rule
[TZ] abbrev : EST , week : 1
[TZ] dow : 1 , month : 11
[TZ] hour : 2 , offset : -300

10. WriteRules on STM32F7 Nucleo-144 NUCLEO_F767ZI using EEPROM

The following is debug terminal output when running example WriteRules on STM32F7 Nucleo-144 NUCLEO_F767ZI using EEPROM

Start WriteRules on NUCLEO_F767ZI
Timezone_Generic v1.10.1
[TZ] Write to EEPROM, size =  16384 , offset =  0
WriteRules done
[TZ] Read from EEPROM, size =  16384 , offset =  0
readRules done
[TZ] DST rule
[TZ] abbrev : EDT , week : 2
[TZ] dow : 1 , month : 3
[TZ] hour : 2 , offset : -240
[TZ] DST rule
[TZ] abbrev : EST , week : 1
[TZ] dow : 1 , month : 11
[TZ] hour : 2 , offset : -300

11. WriteRules on Arduino SAM DUE using dueFlashStorage

The following is debug terminal output when running example WriteRules on Arduino SAM DUE using dueFlashStorage

Start WriteRules
Timezone_Generic v1.10.1
[TZ] Writing to dueFlashStorage OK
WriteRules done
[TZ] Reading from dueFlashStorage OK
readRules done
[TZ] DST rule
[TZ] abbrev : EDT , week : 2
[TZ] dow : 1 , month : 3
[TZ] hour : 2 , offset : -240
[TZ] DST rule
[TZ] abbrev : EST , week : 1
[TZ] dow : 1 , month : 11
[TZ] hour : 2 , offset : -300

12. WriteRules on ESP32_DEV using new ESP32 LittleFS

The following is debug terminal output when running example WriteRules on ESP32_DEV using new ESP32 LittleFS

Start WriteRules on ESP32_DEV
Timezone_Generic v1.10.1
[TZ] Saving m_dst & m_std to TZ_file : /timezone.dat , data offset = 0
[TZ] Saving to TZ_file OK
WriteRules done
[TZ] Reading m_dst & m_std from TZ_file : /timezone.dat , data offset = 0
[TZ] Reading from TZ_file OK
readRules done
[TZ] DST rule
[TZ] abbrev : EDT , week : 2
[TZ] dow : 1 , month : 3
[TZ] hour : 2 , offset : -240
[TZ] DST rule
[TZ] abbrev : EST , week : 1
[TZ] dow : 1 , month : 11
[TZ] hour : 2 , offset : -300

13. WriteRules on ESP8266_NODEMCU using LittleFS

The following is debug terminal output when running example WriteRules on ESP8266_NODEMCU using LittleFS

Start WriteRules on ESP8266_NODEMCU
Timezone_Generic v1.10.1
[TZ] Saving m_dst & m_std to TZ_file : /timezone.dat , data offset = 0
[TZ] Saving to TZ_file OK
WriteRules done
[TZ] Reading m_dst & m_std from TZ_file : /timezone.dat , data offset = 0
[TZ] Reading from TZ_file OK
readRules done
[TZ] DST rule
[TZ] abbrev : EDT , week : 2
[TZ] dow : 1 , month : 3
[TZ] hour : 2 , offset : -240
[TZ] DST rule
[TZ] abbrev : EST , week : 1
[TZ] dow : 1 , month : 11
[TZ] hour : 2 , offset : -300

14. BI_RTC_STM32_Ethernet on STM32F7 Nucleo-144 NUCLEO_F767ZI with LAN8742A

The following is debug terminal output when running example BI_RTC_STM32_Ethernet on STM32F7 Nucleo-144 NUCLEO_F767ZI with LAN8742A using STM32Ethernet Library to demonstrate the usage of STM32 built-in RTC

Start BI_RTC_STM32_Ethernet on NUCLEO_F767ZI, using LAN8742A Ethernet & STM32Ethernet Library
Timezone_Generic v1.10.1
[EWS] Board : NUCLEO_F767ZI , setCsPin: 10
[EWS] Default SPI pinout:
[EWS] MOSI: 11
[EWS] MISO: 12
[EWS] SCK: 13
[EWS] SS: 10
[EWS] =========================
You're connected to the network, IP = 192.168.2.97
Packet received
Seconds since Jan 1 1900 = 3858289514
Unix time = 1649300714

Updating Time for STM32 RTC
The UTC time is 3:05:14
============================
03:05:14 Thu 07 Apr 2022 UTC
23:05:14 Wed 06 Apr 2022 EDT
============================
03:05:23 Thu 07 Apr 2022 UTC
23:05:23 Wed 06 Apr 2022 EDT
============================
03:05:33 Thu 07 Apr 2022 UTC
23:05:33 Wed 06 Apr 2022 EDT
============================

15. BI_RTC_Alarm_STM32_Ethernet on STM32F7 Nucleo-144 NUCLEO_F767ZI with LAN8742A

The following is debug terminal output when running example BI_RTC_Alarm_STM32_Ethernet on STM32F7 Nucleo-144 NUCLEO_F767ZI with LAN8742A using STM32Ethernet Library to demonstrate the usage of STM32 built-in RTC Alarm function

Start BI_RTC_Alarm_STM32_Ethernet on NUCLEO_F767ZI, using LAN8742A Ethernet & STM32Ethernet Library
Timezone_Generic v1.10.1
[EWS] Board : NUCLEO_F767ZI , setCsPin: 10
[EWS] Default SPI pinout:
[EWS] MOSI: 11
[EWS] MISO: 12
[EWS] SCK: 13
[EWS] SS: 10
[EWS] =========================
You're connected to the network, IP = 192.168.2.96
Packet received
Seconds since Jan 1 1900 = 3812900198
Unix time = 1603911398

Updating Time for STM32 RTC
=======RTC ALARM SET========
18:57:08 Wed 01 Dec 2021 UTC
14:57:08 Wed 01 Dec 2021 EDT
============================
The UTC time is 18:56:38
============================
18:56:38 Wed 01 Dec 2021 UTC
14:56:38 Wed 01 Dec 2021 EDT
============================
18:56:47 Wed 01 Dec 2021 UTC
14:56:47 Wed 01 Dec 2021 EDT
============================
18:56:56 Wed 01 Dec 2021 UTC
14:56:56 Wed 01 Dec 2021 EDT
============================
18:57:05 Wed 01 Dec 2021 UTC
14:57:05 Wed 01 Dec 2021 EDT
*****RTC ALARM ACTIVATED*****
*****RTC ALARM ACTIVATED*****
============================
18:57:15 Wed 01 Dec 2021 UTC
14:57:15 Wed 01 Dec 2021 EDT

16. TZ_NTP_WorldClock_WiFiNINA on MBED NANO_RP2040_CONNECT with WiFiNINA

The following is debug terminal output when running example TZ_NTP_WorldClock_WiFiNINA on MBED NANO_RP2040_CONNECT with WiFiNINA using WiFiNINA_Generic Library

Start TZ_NTP_WorldClock_WiFiNINA on MBED NANO_RP2040_CONNECT with WiFiNINA using WiFiNINA_Generic Library
Timezone_Generic v1.10.1
Connecting to WPA SSID: HueNet1
You're connected to the network, IP = 192.168.2.153
Listening on port 2390

Packet received
Seconds since Jan 1 1900 = 3858290300
Unix time = 1649301500
The UTC time is 3:18:20

13:18:20 Thu 07 Apr 2022 AEST Sydney
06:18:20 Thu 07 Apr 2022 MSK  Moscow
05:18:20 Thu 07 Apr 2022 CEST Paris
04:18:20 Thu 07 Apr 2022 BST  London
03:18:20 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:20 Wed 06 Apr 2022 EDT  New York
22:18:20 Wed 06 Apr 2022 CDT  Chicago
21:18:20 Wed 06 Apr 2022 MDT  Denver
20:18:20 Wed 06 Apr 2022 MST  Phoenix
20:18:20 Wed 06 Apr 2022 PDT  Los Angeles

13:18:30 Thu 07 Apr 2022 AEST Sydney
06:18:30 Thu 07 Apr 2022 MSK  Moscow
05:18:30 Thu 07 Apr 2022 CEST Paris
04:18:30 Thu 07 Apr 2022 BST  London
03:18:30 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:30 Wed 06 Apr 2022 EDT  New York
22:18:30 Wed 06 Apr 2022 CDT  Chicago
21:18:30 Wed 06 Apr 2022 MDT  Denver
20:18:30 Wed 06 Apr 2022 MST  Phoenix
20:18:30 Wed 06 Apr 2022 PDT  Los Angeles

17. TZ_NTP_WorldClock_Ethernet on MBED RASPBERRY_PI_PICO with W5x00

The following is debug terminal output when running example TZ_NTP_WorldClock_Ethernet on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library

Start TZ_NTP_WorldClock_Ethernet on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library
Timezone_Generic v1.10.1
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 19
[EWS] MISO: 16
[EWS] SCK: 18
[EWS] SS: 17
[EWS] =========================
[EWS] RPIPICO setCsPin: 17
=========================
Currently Used SPI pinout:
MOSI:19
MISO:16
SCK:18
SS:17
=========================
Using mac index = 8
You're connected to the network, IP = 192.168.2.99

Packet received
Seconds since Jan 1 1900 = 3858290300
Unix time = 1649301500
The UTC time is 3:18:20

13:18:20 Thu 07 Apr 2022 AEST Sydney
06:18:20 Thu 07 Apr 2022 MSK  Moscow
05:18:20 Thu 07 Apr 2022 CEST Paris
04:18:20 Thu 07 Apr 2022 BST  London
03:18:20 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:20 Wed 06 Apr 2022 EDT  New York
22:18:20 Wed 06 Apr 2022 CDT  Chicago
21:18:20 Wed 06 Apr 2022 MDT  Denver
20:18:20 Wed 06 Apr 2022 MST  Phoenix
20:18:20 Wed 06 Apr 2022 PDT  Los Angeles

18. TZ_NTP_WorldClock_Ethernet on RASPBERRY_PI_PICO with W5x00

The following is debug terminal output when running example TZ_NTP_WorldClock_Ethernet on RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library

Start TZ_NTP_WorldClock_Ethernet on RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library
Timezone_Generic v1.10.1
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 19
[EWS] MISO: 16
[EWS] SCK: 18
[EWS] SS: 17
[EWS] =========================
[EWS] RPIPICO setCsPin: 17
=========================
Currently Used SPI pinout:
MOSI:19
MISO:16
SCK:18
SS:17
=========================
Using mac index = 11
You're connected to the network, IP = 192.168.2.96

Packet received
Seconds since Jan 1 1900 = 3858290300
Unix time = 1649301500
The UTC time is 3:18:20

13:18:20 Thu 07 Apr 2022 AEST Sydney
06:18:20 Thu 07 Apr 2022 MSK  Moscow
05:18:20 Thu 07 Apr 2022 CEST Paris
04:18:20 Thu 07 Apr 2022 BST  London
03:18:20 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:20 Wed 06 Apr 2022 EDT  New York
22:18:20 Wed 06 Apr 2022 CDT  Chicago
21:18:20 Wed 06 Apr 2022 MDT  Denver
20:18:20 Wed 06 Apr 2022 MST  Phoenix
20:18:20 Wed 06 Apr 2022 PDT  Los Angeles

19. TZ_NTP_WorldClock_WT32_ETH01 on WT32-ETH01 with ETH_PHY_LAN8720

The following is debug terminal output when running example TZ_NTP_WorldClock_WT32_ETH01 on WT32-ETH01 with ETH_PHY_LAN8720

Start TZ_NTP_WorldClock_WT32_ETH01 on WT32-ETH01 with ETH_PHY_LAN8720
WebServer_WT32_ETH01 v1.5.1
Timezone_Generic v1.10.1
ETH MAC: A8:03:2A:A1:61:73, IPv4: 192.168.2.232
FULL_DUPLEX, 100Mbps
TZ_NTP_WorldClock_WT32_ETH01 started @ IP address: 192.168.2.232
Listening on port 2390

Packet received
Seconds since Jan 1 1900 = 3858290300
Unix time = 1649301500
The UTC time is 3:18:20

13:18:20 Thu 07 Apr 2022 AEST Sydney
06:18:20 Thu 07 Apr 2022 MSK  Moscow
05:18:20 Thu 07 Apr 2022 CEST Paris
04:18:20 Thu 07 Apr 2022 BST  London
03:18:20 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:20 Wed 06 Apr 2022 EDT  New York
22:18:20 Wed 06 Apr 2022 CDT  Chicago
21:18:20 Wed 06 Apr 2022 MDT  Denver
20:18:20 Wed 06 Apr 2022 MST  Phoenix
20:18:20 Wed 06 Apr 2022 PDT  Los Angeles

20. TZ_NTP_WorldClock_RTL8720DN on Rtlduino RTL8720DN

The following is debug terminal output when running example TZ_NTP_WorldClock_RTL8720DN on Rtlduino RTL8720DN

Start TZ_NTP_WorldClock_RTL8720DN on Rtlduino RTL8720DN
WiFiWebServer_RTL8720 v1.1.2
Timezone_Generic v1.10.1
Current Firmware Version = 1.0.0
Attempting to connect to SSID: HueNet_5G
TZ_NTP_Clock_RTL8720DN started @ IP address: 192.168.2.111
Listening on port 2390

Packet received
Seconds since Jan 1 1900 = 3858290300
Unix time = 1649301500
The UTC time is 3:18:20

13:18:20 Thu 07 Apr 2022 AEST Sydney
06:18:20 Thu 07 Apr 2022 MSK  Moscow
05:18:20 Thu 07 Apr 2022 CEST Paris
04:18:20 Thu 07 Apr 2022 BST  London
03:18:20 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:20 Wed 06 Apr 2022 EDT  New York
22:18:20 Wed 06 Apr 2022 CDT  Chicago
21:18:20 Wed 06 Apr 2022 MDT  Denver
20:18:20 Wed 06 Apr 2022 MST  Phoenix
20:18:20 Wed 06 Apr 2022 PDT  Los Angeles

21. TZ_NTP_Clock_Ethernet on PORTENTA_H7_M7

The following is debug terminal output when running example TZ_NTP_Clock_Ethernet on PORTENTA_H7_M7 using Portenta_Ethernet Library

Start TZ_NTP_Clock_Ethernet on PORTENTA_H7_M7 with Ethernet 
Timezone_Generic v1.10.1
[EWS] ======== USE_PORTENTA_H7_ETHERNET ========
=========================
Currently Used SPI pinout:
MOSI:8
MISO:10
SCK:9
SS:7
=========================
Using mac index = 7
You're connected to the network, IP = 192.168.2.106
[TZ] LittleFS Mount OK
Packet received
Seconds since Jan 1 1900 = 3858288516
Unix time = 1649299716
The UTC time is 2:48:36

02:48:36 Thu 07 Apr 2022 UTC
22:48:36 Wed 06 Apr 2022 EDT

02:48:45 Thu 07 Apr 2022 UTC
22:48:45 Wed 06 Apr 2022 EDT

02:48:55 Thu 07 Apr 2022 UTC
22:48:55 Wed 06 Apr 2022 EDT

22. TZ_NTP_WorldClock_WiFi on PORTENTA_H7_M7

The following is debug terminal output when running example TZ_NTP_WorldClock_WiFi on PORTENTA_H7_M7 using WiFi

Start TZ_NTP_WorldClock_WiFi on PORTENTA_H7_M7
Timezone_Generic v1.10.1
Connecting to WPA SSID: HueNet1
You're connected to the network, IP = 192.168.2.105
Listening on port 2390
Packet received
Seconds since Jan 1 1900 = 3858290300
Unix time = 1649301500
The UTC time is 3:18:20

13:18:20 Thu 07 Apr 2022 AEST Sydney
06:18:20 Thu 07 Apr 2022 MSK  Moscow
05:18:20 Thu 07 Apr 2022 CEST Paris
04:18:20 Thu 07 Apr 2022 BST  London
03:18:20 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:20 Wed 06 Apr 2022 EDT  New York
22:18:20 Wed 06 Apr 2022 CDT  Chicago
21:18:20 Wed 06 Apr 2022 MDT  Denver
20:18:20 Wed 06 Apr 2022 MST  Phoenix
20:18:20 Wed 06 Apr 2022 PDT  Los Angeles

13:18:30 Thu 07 Apr 2022 AEST Sydney
06:18:30 Thu 07 Apr 2022 MSK  Moscow
05:18:30 Thu 07 Apr 2022 CEST Paris
04:18:30 Thu 07 Apr 2022 BST  London
03:18:30 Thu 07 Apr 2022 UTC  Universal Coordinated Time
23:18:30 Wed 06 Apr 2022 EDT  New York
22:18:30 Wed 06 Apr 2022 CDT  Chicago
21:18:30 Wed 06 Apr 2022 MDT  Denver
20:18:30 Wed 06 Apr 2022 MST  Phoenix
20:18:30 Wed 06 Apr 2022 PDT  Los Angeles


Issues

Submit issues to: Timezone_Generic issues



TO DO

  1. Bug Searching and Killing
  2. Add more examples

DONE

  1. Add support to Arduino SAMD21 (ZERO, MKR, NANO_33_IOT, etc.) and FlashStorage
  2. Add support to Adafruit SAMD21 (Itsy-Bitsy M0, Metro M0, Feather M0 Express, etc.) and FlashStorage.
  3. Add support to Adafruit SAMD51 (Itsy-Bitsy M4, Metro M4, Grand Central M4, Feather M4 Express, etc.) and FlashStorage.
  4. Add support to Adafruit nRF52 ( Feather nRF52832, nRF52840 Express, BlueFruit Sense, Itsy-Bitsy nRF52840 Express, Metro nRF52840 Express, NINA_B302_ublox, NINA_B112_ublox, etc. and LittleFS.
  5. Add support to SAM DUE and DueFlashStorage.
  6. Add support to Ethernet W5x00, using either Ethernet, Ethernet2, Ethernet3 or EthernetLarge library
  7. Add support to Ethernet ENC28J60, using UIPEthernet library
  8. Add support to Seeeduino SAMD21/SAMD51: LoRaWAN, Zero, Femto M0, XIAO M0, Wio GPS Board, Wio Terminal, Grove UI Wireless and FlashStorage.
  9. Add support to EthernetENC
  10. Add support to ESP32/ESP8266 boards using SPIFFS or LittleFS
  11. Add support to Arduino AVR boards (UNO, Nano, Mega, etc.)
  12. Add support to Arduino MegaAVR boards (UNO WiFi Rev 2, Nano Every, etc.)
  13. Add support to Arduino Nano RP2040 Connect using Arduino mbed OS for Nano boards.
  14. Add support to RP2040-based boards, such as RASPBERRY_PI_PICO, ADAFRUIT_FEATHER_RP2040 and GENERIC_RP2040, using Earle Philhower's arduino-pico core.
  15. Add support to RP2040-based boards, such as RASPBERRY_PI_PICO, ADAFRUIT_FEATHER_RP2040 and GENERIC_RP2040, using Arduino-mbed RP2040 core
  16. Add support to ESP32-S2 (using SPIFFS or LittleFS) and ESP32-C3 boards (using SPIFFS)
  17. Add support to WT32_ETH01 boards using ESP32-based boards and LAN8720 Ethernet
  18. Add support to RTL8720DN, RTL8722DM, RTL8722CSM, etc. boards
  19. Fix multiple-definitions linker error and weird bug related to src_cpp.
  20. Optimize library code by using reference-passing instead of value-passing
  21. Update to be compatible with new FlashStorage_SAMD
  22. Use better FlashStorage_STM32 or FlashStorage_STM32F1 library for STM32
  23. Add support to generic SAMD21 boards : __SAMD21E1xA__, __SAMD21G1xA__ and __SAMD21J1xA__
  24. Add support to Portenta_H7 Ethernet and WiFi
  25. Use Ethernet_Generic library as default for W5x00 Ethernet.
  26. Add support to RP2040W using CYW43439 WiFi with arduino-pico core


Contributions and Thanks

Many thanks for everyone for bug reporting, new feature suggesting, testing and contributing to the development of this library.

  1. Based on and modified from the Jack Christensen's Timezone Library.
  2. Thanks to good work of Miguel Alexandre Wisintainer for initiating, inspriring, working with, developing, debugging and testing.
  3. Thanks to 6v6gt to contribute the new feature to allow un-initialized TZ. Check Timezone_Generic Library to convert UTC to local time.
  4. Thanks to Maximilian Gerhardt to create bug report RP2040_RTC_Time crashes Pico, does not work #3 and help investigate and fix the bug, leading to v1.7.2
JChristensen
⭐️ Jack Christensen

tcpipchip
Miguel Wisintainer

6v6gt
6v6gt

maxgerhardt
Maximilian Gerhardt


Contributing

If you want to contribute to this project:

  • Report bugs and errors
  • Ask for enhancements
  • Create issues and pull requests
  • Tell other people about this library

License

  • The library is licensed under GPLv3

Copyright

  • Copyright 2012- Jack Christensen

  • Copyright 2020- Khoi Hoang

About

Library to facilitate time zone conversions and automatic daylight saving (summer) time adjustments. For ESP8266, ESP32, WT32-ETH01 (ESP32 + LAN8720), SAMD21, SAMD51, nRF52, STM32F/L/H/G/WB/MP1, Teensy, SAM DUE, RTL8720DN, RP2040-based (Nano_RP2040_Connect, RASPBERRY_PI_PICO), Portenta_H7 (Ethernet or WiFi) boards, etc. using W5x00/ENC28J60/LAN8…

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