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This is simple yet complete WebServer library for AVR, AVR Dx, Portenta_H7, Teensy, SAM DUE, SAMD21/SAMD51, nRF52, STM32, RP2040-based, etc. boards running Ethernet shields. The functions are similar and compatible to ESP8266/ESP32 WebServer libraries to make life much easier to port sketches from ESP8266/ESP32. Coexisting now with `ESP32 WebSer…

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EthernetWebServer

arduino-library-badge GitHub release GitHub contributions welcome GitHub issues

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Table of Contents

Important Note from v2.3.0

The new EthernetWebServer v2.4.1+ combined with the new Ethernet_Generic v2.7.0+ fixes severe limitation to permit sending much larger data than total than 2/4/8/16K buffer of W5x00 Ethernet.

Important Note from v2.2.2

To be safe for systems using old W5100 shields, the examples are using optional conservative values for SPI clock speed of 14MHz and SPI_MODE0

For SAMD21 M0, such as SAMD Zero, SPI clock speed of 8MHz and SPI_MODE0 are used.

// Default to use W5100. Must change to false for W5500, W5100S, for faster SPI clock
// Must use true for SAMD21, such as Zero, SAMD_FEATHER_M0_EXPRESS, etc.
#define USE_W5100                           true

To use with shields different from W5100, such as W5200, W5500, W5100S, change to

// Default to use W5100. Must change to false for W5500, W5100S, for faster SPI clock
#define USE_W5100                           false

For Arduino SAMD21 Zero, in order to print to Terminal, use SERIAL_PORT_USBVIRTUAL == SerialUSB

// Use this for ARDUINO_SAMD_ZERO, etc. if can't print to terminal with Serial.print
#if defined(SERIAL_PORT_USBVIRTUAL)
  #define Serial          SERIAL_PORT_USBVIRTUAL
  #warning Using SAMD Zero SerialUSB
#endif

Important Breaking Change from v2.0.0

From v2.0.0, breaking changes were made to permit coexistence with ESP32 WebServer and ESP8266 ESP8266WebServer libraries.

The changes will affect only ESP32 and ESP8266 code.

Using ethernetHTTPUpload instead of HTTPUpload

If server using EthernetWebServer, then use ethernetHTTPUpload instead of HTTPUpload. HTTPUpload can be used only with server using WiFi WebServer or ESP8266WebServer

For example, in these examples, server is using EthernetWebServer

just change from

HTTPUpload& upload = server.upload();

to

ethernetHTTPUpload& upload = server.upload();

Please check these new examples to see how to use the new features

  1. WiFi_Ethernet_Complex_ESP32
  2. WiFi_Ethernet_Complex_ESP8266

Why do we need this EthernetWebServer library

Features

This EthernetWebServer library is a simple yet complete WebServer library for AVR, Portenta_H7, Teensy, SAM DUE, Arduino SAMD21, Adafruit SAMD21/SAMD51, Adafruit nRF52, ESP32/ESP8266, STM32, RP2040-based, etc. boards using Ethernet shields. The functions are similar and compatible to those of ESP32 WebServer and ESP8266WebServer libraries to make life much easier to port sketches from ESP8266/ESP32.

The RP2040-based boards, such as RASPBERRY_PI_PICO, are currently supported using Arduino-mbed RP2040 core or Earle Philhower's arduino-pico core.

This EthernetWebServer library, from v1.1.0, also provides high-level HTTP and WebSocket Client with the functions are similar and compatible to those of ArduinoHttpClient Library

The library provides these features:

  1. TCP Server and Client
  2. UDP Server and Client
  3. HTTP Server and Client
  4. HTTP GET and POST requests, provides argument parsing, handles one client at a time.
  5. High-level HTTP (GET, POST, PUT, PATCH, DELETE) and WebSocket Client. From v1.1.0.

Library is based on and modified from:

  1. Ivan Grokhotkov's ESP8266WebServer
  2. Ivan Grokhotkov's ESP32 WebServer
  3. ArduinoHttpClient Library

The EthernetWebServer class, found in EthernetWebServer.h header, is a simple WebServer class, knowing how to handle HTTP requests such as GET and POST and can only support one simultaneous client.

Currently supported Boards

This EthernetWebServer library currently supports these following boards:

  1. nRF52 boards, such as AdaFruit Feather nRF52832, nRF52840 Express, BlueFruit Sense, Itsy-Bitsy nRF52840 Express, Metro nRF52840 Express, NINA_B302_ublox, NINA_B112_ublox, etc.
  2. SAM DUE
  3. SAMD21
  • Arduino SAMD21: ZERO, MKRs, NANO_33_IOT, etc.
  • Adafruit SAMD21 (M0): ItsyBitsy M0, Feather M0, Feather M0 Express, Metro M0 Express, Circuit Playground Express, Trinket M0, PIRkey, Hallowing M0, Crickit M0, etc.
  • Seeeduino: LoRaWAN, Zero, Femto M0, XIAO M0, Wio GPS Board, etc.
  1. SAMD51
  • Adafruit SAMD51 (M4): Metro M4, Grand Central M4, ItsyBitsy M4, Feather M4 Express, Trellis M4, Metro M4 AirLift Lite, MONSTER M4SK Express, Hallowing M4, etc.
  • Seeeduino: Wio Terminal, Grove UI Wireless

  1. Teensy (4.1, 4.0, 3.6, 3.5, 3,2, 3.1, 3.0, LC) with SPI, SPI1, SPI2

  2. AVR Mega1280, 2560, ADK.

  3. ESP32

  4. ESP8266

  5. RP2040-based boards, such as RASPBERRY_PI_PICO, ADAFRUIT_FEATHER_RP2040 and GENERIC_RP2040, using Arduino-mbed RP2040 core or Earle Philhower's arduino-pico core with SPI, SPI1

  6. Portenta_H7

  7. Arduino UNO WiFi Rev2, AVR_NANO_EVERY, etc.

  8. Arduino AVR_Dx boards using DxCore

  • AVRDA-based boards (AVR128DA, AVR64DA, AVR32DA, etc.)

  • AVRDB-based boards (AVR128DB, AVR64DB, AVR32DB, etc.)

  1. Seeeduino nRF52840-based boards such as XIAO_NRF52840 and XIAO_NRF52840_SENSE, etc. using Seeed mbed or nRF52 core

Currently supported Ethernet shields/modules

  1. W5x00/W5100S using Ethernet_Generic library

  2. W6100, such as such as WIZnet WIZ610MJ, using Ethernet_Generic library

  1. W5x00 using Ethernet, EthernetLarge, Ethernet2 or Ethernet3 library
  2. ENC28J60 using EthernetENC or UIPEthernet library
  3. Teensy 4.1 built-in Ethernet using NativeEthernet library
  4. Teensy 4.1 built-in Ethernet using QNEthernet library
  5. Portenta_H7 Ethernet using Portenta_Ethernet library

Prerequisites

  1. Arduino IDE 1.8.19+ for Arduino. GitHub release
  2. Arduino AVR core 1.8.6+ for Arduino (Use Arduino Board Manager) AVR boards. GitHub release
  3. Teensy core v1.57+ for Teensy (4.1, 4.0, 3.6, 3.5, 3,2, 3.1, 3.0) boards. GitHub release
  4. Arduino SAM DUE core v1.6.12+ for SAM DUE ARM Cortex-M3 boards.
  5. Arduino SAMD core 1.8.13+ for SAMD ARM Cortex-M0+ boards. GitHub release
  6. Adafruit SAMD core 1.7.11+ for SAMD ARM Cortex-M0+ and M4 boards (Nano 33 IoT, etc.). GitHub release
  7. Seeeduino SAMD core 1.8.3+ for SAMD21/SAMD51 boards (XIAO M0, Wio Terminal, etc.). Latest release
  8. 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
  9. ESP32 Core 2.0.6+ for ESP32-based boards. Latest release
  10. ESP8266 Core 3.1.0+ for ESP8266-based boards. Latest release. To use ESP8266 core 2.7.1+ for LittleFS.
  11. ArduinoCore-mbed mbed_rp2040, mbed_nano, mbed_portenta core 3.5.1+ for Arduino (Use Arduino Board Manager) Portenta_H7, RP2040-based boards, such as Nano_RP2040_Connect, RASPBERRY_PI_PICO. GitHub release
  12. Earle Philhower's arduino-pico core v2.7.0+ for RP2040-based boards such as RASPBERRY_PI_PICO, ADAFRUIT_FEATHER_RP2040 and GENERIC_RP2040, etc. GitHub release
  13. Arduino megaAVR core 1.8.7+ for Arduino megaAVR boards such as Arduino UNO WiFi Rev2, AVR_NANO_EVERY, etc.. GitHub release
  14. SpenceKonde DxCore core 1.5.2+ for Arduino AVRDx boards. GitHub release. Follow DxCore Installation.
  15. Seeeduino nRF52 core 1.1.0+ for Seeed nRF52840-based boards such as Seeed_XIAO_NRF52840 and Seeed_XIAO_NRF52840_SENSE. GitHub release
  16. Seeeduino mbed core 2.9.0+ for Seeed nRF52840-based boards such as SEEED_XIAO_NRF52840 and SEEED_XIAO_NRF52840_SENSE. GitHub release
  17. Functional-Vlpp library v1.0.2+ to use server's lambda function. To install. check arduino-library-badge
  18. Depending on which Ethernet card you're using:

Installation

Use Arduino Library Manager

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

Manual Install

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

VS Code & PlatformIO:

  1. Install VS Code
  2. Install PlatformIO
  3. Install EthernetWebServer library by using Library Manager. Search for EthernetWebServer 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/1.7.11).

Supposing the Adafruit SAMD core version is 1.7.11. These files must be copied into the directory:

  • ~/.arduino15/packages/adafruit/hardware/samd/1.7.11/platform.txt
  • ~/.arduino15/packages/adafruit/hardware/samd/1.7.11/cores/arduino/Print.h
  • ~/.arduino15/packages/adafruit/hardware/samd/1.7.11/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 These files 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. These files 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 These files 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

For Generic STM32F4 series boards, such as STM32F407VE, using LAN8720, please use STM32 core v2.2.0 as breaking core v2.3.0 creates the compile error.

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/3.4.1/portenta_post_install.sh).

Then run the following command using sudo

$ cd ~/.arduino15/packages/arduino/hardware/mbed_portenta/3.4.1
$ 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 3.4.1. Now only one file must be copied into the directory:

  • ~/.arduino15/packages/arduino/hardware/mbed_portenta/3.4.1/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/ambd/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/ambd/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/ambd/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/1.9.0/boards.txt).

Supposing the ArduinoCore-fab-sam samd core version is 1.9.0. This file must be copied into the directory:

  • ~/.arduino15/packages/Fab_SAM_Arduino/hardware/samd/1.9.0/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 RP2040 core version is 2.7.2. These files 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 These files 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

13. For Seeeduino nRF52840 boards

To be able to compile and run on Xiao nRF52840 boards, you have to copy the whole nRF52 1.0.0 directory into Seeeduino nRF52 directory (~/.arduino15/packages/Seeeduino/hardware/nrf52/1.0.0).

Supposing the Seeeduino nRF52 version is 1.0.0. These files must be copied into the directory:

  • ~/.arduino15/packages/Seeeduino/hardware/nrf52/1.0.0/platform.txt
  • ~/.arduino15/packages/Seeeduino/hardware/nrf52/1.0.0/cores/nRF5/Print.h
  • ~/.arduino15/packages/Seeeduino/hardware/nrf52/1.0.0/cores/nRF5/Print.cpp
  • ~/.arduino15/packages/Seeeduino/hardware/nrf52/1.0.0/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/Seeeduino/hardware/nrf52/x.yy.z/platform.txt
  • ~/.arduino15/packages/Seeeduino/hardware/nrf52/x.yy.z/cores/nRF5/Print.h
  • ~/.arduino15/packages/Seeeduino/hardware/nrf52/x.yy.z/cores/nRF5/Print.cpp
  • ~/.arduino15/packages/Seeeduino/hardware/nrf52/x.yy.z/cores/nRF5/Udp.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:

You can also use the forked and modified library at Patched Ethernet

3. For EthernetLarge library

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

You can also use the forked and modified library at Patched EthernetLarge

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:

You can also use the forked and modified library at Patched Ethernet2

5. For Ethernet3 library

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

You can also use the forked and modified library at Patched Ethernet3

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-1.8.19/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-1.8.19/hardware/esp8266com/esp8266/libraries/Ethernet directory

  • From Ethernet.h to Ethernet_ESP8266.h

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).

Configuration Notes

1. How to select which built-in Ethernet or shield to use

The easiest way is to use

#define USE_ETHERNET_WRAPPER    true

then select one and only one Ethernet library to use as follows:

  • Standard W5x00/W5100S/W6100 Ethernet_Generic library is used by default, in the sketch, just be sure to comment out or leave these #defines to be false :
// Only one if the following to be true
#define USE_UIP_ETHERNET          false
#define USE_ETHERNET_PORTENTA_H7  false
#define USE_NATIVE_ETHERNET       false
#define USE_QN_ETHERNET           false
#define USE_ETHERNET_GENERIC      false
#define USE_ETHERNET_ESP8266      false 
#define USE_ETHERNET_ENC          false
#define USE_CUSTOM_ETHERNET       false

To use W5x00/W5100S/W6100 Ethernet, for example using Ethernet_Generic library

// Only one if the following to be true
#define USE_UIP_ETHERNET          false
#define USE_ETHERNET_PORTENTA_H7  false
#define USE_NATIVE_ETHERNET       false
#define USE_QN_ETHERNET           false
#define USE_ETHERNET_GENERIC      true
#define USE_ETHERNET_ESP8266      false
#define USE_ETHERNET_ENC          false
#define USE_CUSTOM_ETHERNET       false
  • To use ENC28J60 Ethernet, using EthernetENC library (NEW and Better)
// Only one if the following to be true
#define USE_UIP_ETHERNET          false
#define USE_ETHERNET_PORTENTA_H7  false
#define USE_NATIVE_ETHERNET       false
#define USE_QN_ETHERNET           false
#define USE_ETHERNET_GENERIC      false
#define USE_ETHERNET_ESP8266      false
#define USE_ETHERNET_ENC          true
#define USE_CUSTOM_ETHERNET       false
  • To use ENC28J60 Ethernet, using UIPEthernet library:
// Only one if the following to be true
#define USE_UIP_ETHERNET          true
#define USE_ETHERNET_PORTENTA_H7  false
#define USE_NATIVE_ETHERNET       false
#define USE_QN_ETHERNET           false
#define USE_ETHERNET_GENERIC      false
#define USE_ETHERNET_ESP8266      false 
#define USE_ETHERNET_ENC          false
#define USE_CUSTOM_ETHERNET       false
  • To use another Ethernet library For example, EthernetLarge library
// Only one if the following to be true
#define USE_UIP_ETHERNET          false
#define USE_ETHERNET_PORTENTA_H7  false
#define USE_NATIVE_ETHERNET       false
#define USE_QN_ETHERNET           false
#define USE_ETHERNET_GENERIC      false
#define USE_ETHERNET_ESP8266      false 
#define USE_ETHERNET_ENC          false
#define USE_CUSTOM_ETHERNET       true

//Must be placed before #include <EthernetWebServer.h>
#include <EthernetLarge.h>
...

#include <EthernetWebServer.h>
  • Only for Teensy 4.1, to use NativeEthernet library
#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
    #define USE_QN_ETHERNET         false
  #elif defined(ARDUINO_TEENSY40)
    #define BOARD_TYPE      "TEENSY 4.0"
  #else
    #define BOARD_TYPE      "TEENSY 4.x"
  #endif      
#elif defined(__MK66FX1M0__)
  ....
  • Only for Teensy 4.1, to use another Ethernet library, for example Ethernet_Generic library
#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     false
    #define USE_QN_ETHERNET         false
  #elif defined(ARDUINO_TEENSY40)
    #define BOARD_TYPE      "TEENSY 4.0"
  #else
    #define BOARD_TYPE      "TEENSY 4.x"
  #endif      
#elif defined(__MK66FX1M0__)
  ....
  
#define USE_UIP_ETHERNET        false

// 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
  • Only for Teensy 4.1, to use QNEthernet library
#if ( defined(CORE_TEENSY) && defined(__IMXRT1062__) && defined(ARDUINO_TEENSY41) ) 
  // For Teensy 4.1
  #define BOARD_TYPE      "TEENSY 4.1"
  // Use true for NativeEthernet Library, false if using other Ethernet libraries
  #define USE_NATIVE_ETHERNET     false
  #define USE_QN_ETHERNET         true
#else
  #error Only Teensy 4.1 supported
#endif

#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        false
#define USE_ETHERNET_GENERIC    false
#define USE_ETHERNET_ESP8266    false 
#define USE_ETHERNET_ENC        false
#define USE_CUSTOM_ETHERNET     false

#if 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           "using NativeEthernet"
#elif USE_QN_ETHERNET
  #include "QNEthernet.h"
  using namespace qindesign::network;
  #warning Using QNEthernet lib for Teensy 4.1. Must also use Teensy Packages Patch or error
  #define SHIELD_TYPE           "using QNEthernet"  
#endif

Important:

  • The Ethernet_Shield_W5200, EtherCard, EtherSia libraries are not supported. Don't use unless you know how to modify those libraries.
  • Requests to support for any future custom Ethernet library will be ignored. Use at your own risk.

2. How to select another CS/SS pin to use

The default CS/SS pin is GPIO4(D2) for ESP8266, GPIO22 for ESP32, 10 for all other boards.

If the default pin is not correct, the easiest way is to select the CS/SS pin (e.g. 22) to use as follows:

// To override the default CS/SS pin. Don't use unless you know exactly which pin to use
#define USE_THIS_SS_PIN   22

3. How to use W5x00 with ESP8266

To avoid using the default but not-working Ethernet library of ESP8266, rename the Ethernet.h/cpp to Ethernet_ESP8266.h/cpp to avoid library conflict if you're using the Arduino Ethernet library. The Ethernet_Generic, Ethernet2, Ethernet3, EthernetLarge library can be used without conflict.

These pins are tested OK with ESP8266 and W5x00/W5100S/W6100

// For ESP8266
// Pin                D0(GPIO16)    D1(GPIO5)    D2(GPIO4)    D3(GPIO0)    D4(GPIO2)    D8
// Ethernet           0                 X            X            X            X        0
// Ethernet2          X                 X            X            X            X        0
// Ethernet3          X                 X            X            X            X        0
// EthernetLarge      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.setCsPin (USE_THIS_SS_PIN);
Ethernet.init (USE_THIS_SS_PIN);

4. How to increase W5x00 TX/RX buffer

  • For Ethernet_Generic library only, simply use as follows to have large buffer similar to EthernetLarge library
#define ETHERNET_LARGE_BUFFERS
  • For Ethernet3 library only, use as follows
// Use  MAX_SOCK_NUM = 4 for 4K, 2 for 8K, 1 for 16K RX/TX buffer
#ifndef ETHERNET3_MAX_SOCK_NUM
  #define ETHERNET3_MAX_SOCK_NUM      4
#endif

Ethernet.setCsPin (USE_THIS_SS_PIN);
Ethernet.init (ETHERNET3_MAX_SOCK_NUM);

5. How to adjust sendContent_P() and send_P() buffer size

sendContent_P() and send_P() buffer size is set default at 4 Kbytes, and minimum is 256 bytes. If you need to change, just add a definition, e.g.:

#define SENDCONTENT_P_BUFFER_SZ     2048

Note that the buffer size must be larger than 256 bytes. See Sending GZIP HTML ~ 120kb+ (suggested enhancement).

6. How to use SPI2 for ESP32 using W5x00 and Ethernet_Generic Library

#define USING_SPI2                          true

Pin to use for SPI2

MOSI:  13
MISO:  12
SCK:   14
SS:    5

7. How to use SPI1 for RP2040 using W5x00 and Ethernet_Generic Library

#define USING_SPI2                          true

Pin to use for SPI1

MOSI:  15
MISO:  12
SCK:   14
SS:    13

8. How to use SPI1/SPI2 for Teensy 4.x using W5x00 and Ethernet_Generic Library

#include <SPI.h>

  // For RPI Pico using Mbed RP2040 core
#if (USING_SPI2)
  #define USING_CUSTOM_SPI          true

  // Teensy4.1
  // SCK1: 27,  MOSI1: 26, MISO1:  1, SS1/CS1:  0 for SPI1
  // SCK2: 45,  MOSI2: 43, MISO2: 32, SS2/CS2: 44 for SPI2
  // Teensy4.0, in the back, untested
  // SCK1: 27,  MOSI1: 26, MISO1: 1, SS1/CS1: 0 for SPI1
  #define CUR_PIN_MISO              1
  #define CUR_PIN_MOSI              26
  #define CUR_PIN_SCK               27
  #define CUR_PIN_SS                0

  #define SPI_NEW_INITIALIZED       true

  // SPI1
  SPIClass SPI_New((uintptr_t)&IMXRT_LPSPI3_S, (uintptr_t)&SPIClass::spiclass_lpspi3_hardware);
  // SPI2
  //SPIClass SPI_New((uintptr_t)&IMXRT_LPSPI1_S, (uintptr_t)&SPIClass::spiclass_lpspi1_hardware);
  
  #warning Using USE_THIS_SS_PIN = CUR_PIN_SS = 38

  #if defined(USE_THIS_SS_PIN)
    #undef USE_THIS_SS_PIN
  #endif   
  #define USE_THIS_SS_PIN       CUR_PIN_SS

#endif

Pin to use for SPI1

MOSI:  26
MISO:   1
SCK:   27
SS:     0

Pin to use for SPI2

MOSI:  43
MISO:  32
SCK:   45
SS:    44

9. Important Note for AVRDx using Arduino IDE

With some Arduino IDE versions, such as v1.8.19, upload directly via USB to some boards, such as Curiosity_AVR128DA48 or Curiosity_AVR128DB48 can't be done without unknown-to-me fix. We'll get the following error when uploading

avrdude: Version 6.3-20201216
     Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
     Copyright (c) 2007-2014 Joerg Wunsch

     System wide configuration file is "/home/kh/.arduino15/packages/DxCore/hardware/megaavr/1.4.10/avrdude.conf"
     User configuration file is "/home/kh/.avrduderc"
     User configuration file does not exist or is not a regular file, skipping

     Using Port                    : usb
     Using Programmer              : curiosity_updi
avrdude: usbdev_open(): Found nEDBG CMSIS-DAP, serno: MCHP3280041800002682
avrdude: usbdev_open(): WARNING: failed to set configuration 1: Device or resource busy
avrdude: Found CMSIS-DAP compliant device, using EDBG protocol
avrdude: usbdev_send(): wrote -5 out of 912 bytes, err = Input/output error
avrdude: jtag3_edbg_prepare(): failed to send command to serial port

avrdude done.  Thank you.

the selected serial port 
 does not exist or your board is not connected

We can use drag-and-drop method to drag-and-drop the compiled hex file to CURIOSITY virtual drive.

If success, The LED blinks slowly for 2 sec. The LED will blinks rapidly for 2 sec if failure

For example, to run Change_Interval example, use Arduino IDE to compile, and get the Change_Interval.ino.hex file. For Ubuntu Linux, the file is stored in directory /tmp/arduino_build_xxxxxx

After drag-and-drop the Change_Interval.ino.hex into CURIOSITY virtual drive, the code will run immediately if successfully loaded (LED blinks slowly)

How to connect W5x00 to AVDDx

This is example to demo how to connect W5x00/W5100S/W6100 to Curiosity AVR128DA48 or AVR128DB48

W5x00 <---> AVRDx
MOSI <---> PA_4 = 4
MISO <---> PA_5 = 5
SCK <---> PA_6 = 6
SS <---> PA_7 = 7
GND <---> GND = 52
3.3V <---> VCC = 51

Usage

Init the CS/SS pin if use EthernetWrapper

EthernetInit();

Class Constructor

EthernetWebServer server(80);

Creates the EthernetWebServer class object.

Parameters:

host port number: int port (default is the standard HTTP port 80)

Basic Operations

Starting the server

void begin();

Handling incoming client requests

void handleClient();

Disabling the server

void close();
void stop();

Both methods function the same

Client request handlers

void on();
void addHandler();
void onNotFound();
void onFileUpload();

Example:

server.on("/", handlerFunction);
server.onNotFound(handlerFunction);   // called when handler is not assigned
server.onFileUpload(handlerFunction); // handle file uploads

Sending responses to the client

void send();
void send_P();

Parameters:

code - HTTP response code, can be 200 or 404, etc.

content_type - HTTP content type, like "text/plain" or "image/png", etc.

content - actual content body

Advanced Options

Getting information about request arguments

const String & arg();
const String & argName();
int args();
bool hasArg();

Function usage:

arg - get request argument value, use arg("plain") to get POST body

argName - get request argument name

args - get arguments count

hasArg - check if argument exist

Getting information about request headers

const String & header();
const String & headerName();
const String & hostHeader();
int headers();
bool hasHeader();

Function usage:

header - get request header value

headerName - get request header name

hostHeader - get request host header if available, else empty string

headers - get header count

hasHeader - check if header exist

Authentication

bool authenticate();
void requestAuthentication();

Function usage:

authenticate - server authentication, returns true if client is authenticated else false

requestAuthentication - sends authentication failure response to the client

Example Usage:

if(!server.authenticate(username, password))
{
  server.requestAuthentication();
}

Other Function Calls

const String & uri(); // get the current uri
HTTPMethod  method(); // get the current method 
WiFiClient client(); // get the current client
HTTPUpload & upload(); // get the current upload
void setContentLength(); // set content length
void sendHeader(); // send HTTP header
void sendContent(); // send content
void sendContent_P(); 
void collectHeaders(); // set the request headers to collect
void serveStatic();
size_t streamFile();

Examples:

Original Examples

  1. AdvancedWebServer
  2. SimpleWebServer_NativeEthernet
  3. HelloServer
  4. HelloServer2
  5. HttpBasicAuth
  6. MQTTClient_Auth
  7. MQTTClient_Basic
  8. MQTT_ThingStream
  9. PostServer
  10. SimpleAuthentication
  11. UdpNTPClient
  12. UdpSendReceive
  13. WebClient
  14. WebClient_ESP
  15. WebClientRepeating
  16. WebClientRepeating_ESP
  17. WebServer
  18. WebServer_NativeEthernet
  19. ESP32_FS_EthernetWebServer.
  20. FS_EthernetWebServer.
  21. serveStatic.
  22. serveStaticLoadFile.
  23. AdvancedWebServer_Ptr. New
  24. multiFileProject. New
  25. EthernetWebServer_BigData. New

HTTP and WebSocket Client New Examples

  1. BasicAuthGet
  2. CustomHeader
  3. DweetGet
  4. DweetPost
  5. HueBlink
  6. node_test_server
  7. PostWithHeaders
  8. SimpleDelete
  9. SimpleGet
  10. SimpleHTTPExample
  11. SimplePost
  12. SimplePut
  13. SimpleWebSocket

New Examples for Teensy 4.1 QNEthernet

  1. AdvancedWebServer
  2. MQTTClient_Auth
  3. MQTTClient_Basic
  4. MQTT_ThingStream

New Examples for ESP32 and ESP8266 using with WebServer or ESP8266WebServer

  1. WiFi_Ethernet_Complex_ESP32
  2. WiFi_Ethernet_Complex_ESP8266

New Examples for ESP32 using SPI2

  1. AdvancedWebServer_ESP32_SPI2 New

New Examples for SPI1/SPI2

  1. AdvancedWebServer_RP2040_SPI1 New
  2. AdvancedWebServer_Teensy4x_SPI1 New

Example AdvancedWebServer

1. File AdvancedWebServer.ino

EthernetWebServer/examples/AdvancedWebServer/AdvancedWebServer.ino

Lines 44 to 456 in 59a7766

#include "defines.h"
EthernetWebServer server(80);
int reqCount = 0; // number of requests received
void handleRoot()
{
#define BUFFER_SIZE 512
char temp[BUFFER_SIZE];
int sec = millis() / 1000;
int min = sec / 60;
int hr = min / 60;
int day = hr / 24;
hr = hr % 24;
snprintf(temp, BUFFER_SIZE - 1,
"<html>\
<head>\
<meta http-equiv='refresh' content='5'/>\
<title>%s</title>\
<style>\
body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }\
</style>\
</head>\
<body>\
<h1>Hello from %s</h1>\
<h3>running EthernetWebServer</h3>\
<h3>on %s</h3>\
<p>Uptime: %d d %02d:%02d:%02d</p>\
<img src=\"/test.svg\" />\
</body>\
</html>", BOARD_NAME, BOARD_NAME, SHIELD_TYPE, day, hr, min % 60, sec % 60);
server.send(200, F("text/html"), temp);
}
void handleNotFound()
{
String message = F("File Not Found\n\n");
message += F("URI: ");
message += server.uri();
message += F("\nMethod: ");
message += (server.method() == HTTP_GET) ? F("GET") : F("POST");
message += F("\nArguments: ");
message += server.args();
message += F("\n");
for (uint8_t i = 0; i < server.args(); i++)
{
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, F("text/plain"), message);
}
#define ORIGINAL_STR_LEN (2048 * MULTIPLY_FACTOR)
void drawGraph()
{
static String out;
static uint16_t previousStrLen = ORIGINAL_STR_LEN;
if (out.length() == 0)
{
ET_LOGWARN1(F("String Len = 0, extend to"), ORIGINAL_STR_LEN);
out.reserve(ORIGINAL_STR_LEN);
}
#if (MULTIPLY_FACTOR == 2)
out = F( "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"610\" height=\"150\">\n" \
"<rect width=\"610\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"3\" stroke=\"rgb(0, 0, 0)\" />\n" \
"<g stroke=\"blue\">\n");
#elif (MULTIPLY_FACTOR == 4)
out = F( "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"1210\" height=\"150\">\n" \
"<rect width=\"1210\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"3\" stroke=\"rgb(0, 0, 0)\" />\n" \
"<g stroke=\"blue\">\n");
#elif (MULTIPLY_FACTOR == 6)
out = F( "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"1810\" height=\"150\">\n" \
"<rect width=\"1810\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"3\" stroke=\"rgb(0, 0, 0)\" />\n" \
"<g stroke=\"blue\">\n");
#else // (MULTIPLY_FACTOR == 1)
out = F( "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"310\" height=\"150\">\n" \
"<rect width=\"310\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"3\" stroke=\"rgb(0, 0, 0)\" />\n" \
"<g stroke=\"blue\">\n");
#endif
char temp[70];
int y = rand() % 130;
//for (int x = 10; x < 300; x += 10)
for (int x = 10; x < (300 * MULTIPLY_FACTOR); x += 10)
{
int y2 = rand() % 130;
sprintf(temp, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" stroke-width=\"2\" />\n", x, 140 - y, x + 10, 140 - y2);
out += temp;
y = y2;
}
out += F("</g>\n</svg>\n");
ET_LOGERROR1(F("String Len = "), out.length());
if (out.length() > previousStrLen)
{
ET_LOGERROR3(F("String Len > "), previousStrLen, F(", extend to"), out.length() + 48);
previousStrLen = out.length() + 48;
out.reserve(previousStrLen);
}
else
{
server.send(200, "image/svg+xml", out);
}
}
void initEthernet()
{
#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)
#if (USING_SPI2)
#if defined(CUR_PIN_MISO)
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("MOSI:"), CUR_PIN_MOSI);
ET_LOGWARN1(F("MISO:"), CUR_PIN_MISO);
ET_LOGWARN1(F("SCK:"), CUR_PIN_SCK);
ET_LOGWARN1(F("SS:"), CUR_PIN_SS);
ET_LOGWARN(F("========================="));
#endif
#else
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("========================="));
#endif
#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
//Ethernet.init(34); // ESP32_S2 with W5500 Ethernet
#ifndef USE_THIS_SS_PIN
#define USE_THIS_SS_PIN SS //7 //5 //10 //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[0], ip);
Ethernet.begin(mac[index]);
#if !(USE_NATIVE_ETHERNET || USE_ETHERNET_PORTENTA_H7)
ET_LOGWARN(F("========================="));
#if ( defined( ESP32 ) && USE_ETHERNET_GENERIC )
// Just info to know how to connect correctly
// To change for other SPI
ET_LOGWARN(F("Currently Used SPI pinout:"));
ET_LOGWARN1(F("MOSI:"), PIN_MOSI);
ET_LOGWARN1(F("MISO:"), PIN_MISO);
ET_LOGWARN1(F("SCK:"), PIN_SCK);
ET_LOGWARN1(F("SS:"), PIN_SS);
#else
#if defined(CUR_PIN_MISO)
ET_LOGWARN(F("Currently Used SPI pinout:"));
ET_LOGWARN1(F("MOSI:"), CUR_PIN_MOSI);
ET_LOGWARN1(F("MISO:"), CUR_PIN_MISO);
ET_LOGWARN1(F("SCK:"), CUR_PIN_SCK);
ET_LOGWARN1(F("SS:"), CUR_PIN_SS);
#else
ET_LOGWARN(F("Currently Used SPI pinout:"));
ET_LOGWARN1(F("MOSI:"), MOSI);
ET_LOGWARN1(F("MISO:"), MISO);
ET_LOGWARN1(F("SCK:"), SCK);
ET_LOGWARN1(F("SS:"), SS);
#endif
#endif
ET_LOGWARN(F("========================="));
#elif (USE_ETHERNET_PORTENTA_H7)
if (Ethernet.hardwareStatus() == EthernetNoHardware)
{
SerialDebug.println("No Ethernet found. Stay here forever");
while (true)
{
delay(1); // do nothing, no point running without Ethernet hardware
}
}
if (Ethernet.linkStatus() == LinkOFF)
{
SerialDebug.println("Not connected Ethernet cable");
}
#endif
SerialDebug.print(F("Using mac index = "));
SerialDebug.println(index);
SerialDebug.print(F("Connected! IP address: "));
SerialDebug.println(Ethernet.localIP());
}
void setup()
{
SerialDebug.begin(115200);
while (!SerialDebug && millis() < 5000);
delay(1000);
SerialDebug.print("\nStarting AdvancedWebServer on ");
SerialDebug.print(BOARD_NAME);
SerialDebug.print(F(" with "));
SerialDebug.println(SHIELD_TYPE);
SerialDebug.println(ETHERNET_WEBSERVER_VERSION);
initEthernet();
server.on(F("/"), handleRoot);
server.on(F("/test.svg"), drawGraph);
server.on(F("/inline"), []()
{
server.send(200, F("text/plain"), F("This works as well"));
});
server.onNotFound(handleNotFound);
server.begin();
SerialDebug.print(F("HTTP EthernetWebServer is @ IP : "));
SerialDebug.println(Ethernet.localIP());
}
void heartBeatPrint()
{
static int num = 1;
SerialDebug.print(F("."));
if (num == 80)
{
SerialDebug.println();
num = 1;
}
else if (num++ % 10 == 0)
{
SerialDebug.print(F(" "));
}
}
void check_status()
{
static unsigned long checkstatus_timeout = 0;
#define STATUS_CHECK_INTERVAL 10000L
// Send status report every STATUS_REPORT_INTERVAL (60) seconds: we don't need to send updates frequently if there is no status change.
if ((millis() > checkstatus_timeout) || (checkstatus_timeout == 0))
{
heartBeatPrint();
checkstatus_timeout = millis() + STATUS_CHECK_INTERVAL;
}
}
void loop()
{
server.handleClient();
check_status();
}

2. File defines.h

EthernetWebServer/examples/AdvancedWebServer/defines.h

Lines 10 to 621 in 59a7766

#ifndef defines_h
#define defines_h
#if defined(__AVR_AVR128DA48__)
#define SerialDebug Serial1
#elif defined(__AVR_AVR128DB48__)
#define SerialDebug Serial3
#else
// standard Serial
#define SerialDebug Serial
#endif
#define DEBUG_ETHERNET_GENERIC_PORT SerialDebug
#define DEBUG_ETHERNET_WEBSERVER_PORT SerialDebug
// Debug Level from 0 to 4
#define _ETG_LOGLEVEL_ 1
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
#define USING_SPI2 false //true
#if ( defined(ARDUINO_PORTENTA_H7_M7) || defined(ARDUINO_PORTENTA_H7_M4) )
#define MULTIPLY_FACTOR 4
#if defined(BOARD_NAME)
#undef BOARD_NAME
#endif
#if defined(CORE_CM7)
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Using Portenta H7 M7 core
#endif
#define BOARD_NAME "PORTENTA_H7_M7"
#else
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Using Portenta H7 M4 core
#endif
#define BOARD_NAME "PORTENTA_H7_M4"
#endif
#define ETHERNET_USE_PORTENTA_H7 true
#define USE_ETHERNET_PORTENTA_H7 true
#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__) )
#define MULTIPLY_FACTOR 2
#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(NRF52840_LED_GLASSES) || defined(MDBT50Q_RX) || defined(NINA_B302_ublox) || defined(NINA_B112_ublox) || \
defined(ARDUINO_Seeed_XIAO_nRF52840) || defined(ARDUINO_Seeed_XIAO_nRF52840_Sense) || \
defined(ARDUINO_SEEED_XIAO_NRF52840) || defined(ARDUINO_SEEED_XIAO_NRF52840_SENSE) )
#define MULTIPLY_FACTOR 2
#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) )
#define MULTIPLY_FACTOR 4
#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 SS/CS,if no SS pin, use pin 10
#if defined(PIN_SPI_MOSI)
//#warning Using SS pin
#define USE_THIS_SS_PIN 10 //SS
#else
#define USE_THIS_SS_PIN 10
#endif
#if ( defined(ARDUINO_SAMD_ZERO) && !defined(SEEED_XIAO_M0) )
#define BOARD_TYPE "SAMD Zero"
// Default to use W5100. Must change to false for W5500, W5100S, for faster SPI clock
// Must use true for SAMD21, such as Zero, SAMD_FEATHER_M0_EXPRESS, etc.
#define USE_W5100 true
// Use this for ARDUINO_SAMD_ZERO, etc. if can't print to terminal with Serial.print
#if defined(SERIAL_PORT_USBVIRTUAL)
#define Serial SERIAL_PORT_USBVIRTUAL
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Using SAMD Zero SerialUSB
#endif
#endif
#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
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning define SEEED_XIAO_M0 USE_THIS_SS_PIN == A1
#endif
#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)
// For Adafruit nRF52
// Default pin SS/CS,if no SS pin, use pin 10
#if defined(PIN_SPI_MOSI)
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Using SS pin
#endif
#define USE_THIS_SS_PIN SS
#else
#define USE_THIS_SS_PIN 10
#endif
#if defined(ARDUINO_Seeed_XIAO_nRF52840)
#define BOARD_TYPE "Seeed_XIAO_nRF52840"
#elif defined(ARDUINO_Seeed_XIAO_nRF52840_Sense)
#define BOARD_TYPE "Seeed_XIAO_nRF52840_Sense"
#elif defined(ARDUINO_SEEED_XIAO_NRF52840)
#define BOARD_TYPE "SEEED_XIAO_NRF52840"
#elif defined(ARDUINO_SEEED_XIAO_NRF52840_SENSE)
#define BOARD_TYPE "SEEED_XIAO_NRF52840_SENSE"
#elif 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) )
#define MULTIPLY_FACTOR 4
// Default pin 10 to SS/CS
#define USE_THIS_SS_PIN SS //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) )
#define MULTIPLY_FACTOR 6 //4
// For ESP8266
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Use ESP8266 architecture
#endif
#include <ESP8266mDNS.h>
#define ETHERNET_USE_ESP8266
#define BOARD_TYPE ARDUINO_BOARD
#elif ( defined(ESP32) )
#define MULTIPLY_FACTOR 4
// For ESP32
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Use ESP32 architecture
#endif
#define ETHERNET_USE_ESP32
#define BOARD_TYPE ARDUINO_BOARD
#define W5500_RST_PORT 21
#elif ETHERNET_USE_RPIPICO
#define MULTIPLY_FACTOR 6
// Default pin 17 to SS/CS
#if defined(ARDUINO_ARCH_MBED)
// For RPI Pico using newer Arduino Mbed RP2040 core
// SCK: GPIO18, MOSI: GPIO19, MISO: GPIO16, SS/CS: GPIO17
#define USE_THIS_SS_PIN PIN_SPI_SS //17
#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 ADAFRUIT_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
#if (USING_SPI2)
// SCK: GPIO14, MOSI: GPIO15, MISO: GPIO12, SS/CS: GPIO13 for SPI1
#define USE_THIS_SS_PIN PIN_SPI1_SS //13
#else
// SCK: GPIO18, MOSI: GPIO19, MISO: GPIO16, SS/CS: GPIO17 for SPI0
#define USE_THIS_SS_PIN PIN_SPI0_SS //17
#endif
#endif
#define SS_PIN_DEFAULT USE_THIS_SS_PIN
// For RPI Pico
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Use RPI-Pico RP2040 architecture
#endif
#elif defined(DXCORE)
#define MULTIPLY_FACTOR 1
// Default pin 10 to SS/CS
#define USE_THIS_SS_PIN SS
#if defined(__AVR_AVR128DA48__)
#define BOARD_TYPE "Curiosity AVR_AVR128DA48"
#elif defined(__AVR_AVR128DB48__)
#define BOARD_TYPE "Curiosity AVR_AVR128DB48"
#else
#define BOARD_TYPE "Unknown AVRDv board"
#endif
#else
#define MULTIPLY_FACTOR 1
// For Mega, etc.
// Default pin SS/CS,if no SS pin, use pin 10
#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>
// 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 false //true
#define USE_ETHERNET_ESP8266 false
#define USE_ETHERNET_ENC true //false
#define USE_CUSTOM_ETHERNET false
////////////////////////////
#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>
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Using Portenta_Ethernet lib for Portenta_H7
#endif
#define SHIELD_TYPE "Ethernet using Portenta_Ethernet Library"
#elif USE_NATIVE_ETHERNET
#include "NativeEthernet.h"
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Using NativeEthernet lib for Teensy 4.1. Must also use Teensy Packages Patch or error
#endif
#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
// HSPI_IOMUX_PIN_NUM_???? deprecated from core v2.0.6+
// For ESP32 core v2.0.6+
#define PIN_MISO SPI2_IOMUX_PIN_NUM_MISO
#define PIN_MOSI SPI2_IOMUX_PIN_NUM_MOSI
#define PIN_SCK SPI2_IOMUX_PIN_NUM_CLK
#define PIN_SS SPI2_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
#if USING_SPI2
#define SHIELD_TYPE "W5x00 using Ethernet_Generic Library on SPI1"
#else
#define SHIELD_TYPE "W5x00 using Ethernet_Generic Library on SPI0/SPI"
#endif
#endif
#define ETHERNET_LARGE_BUFFERS
//#define _ETG_LOGLEVEL_ 1
#include "Ethernet_Generic.h"
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Using Ethernet_Generic lib
#endif
#elif USE_ETHERNET_ESP8266
#include "Ethernet_ESP8266.h"
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Using Ethernet_ESP8266 lib
#endif
#define SHIELD_TYPE "W5x00 using Ethernet_ESP8266 Library"
#elif USE_ETHERNET_ENC
#include "EthernetENC.h"
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Using EthernetENC lib
#endif
#define SHIELD_TYPE "ENC28J60 using EthernetENC Library"
#elif USE_CUSTOM_ETHERNET
//#include "Ethernet_XYZ.h"
#include "EthernetENC.h"
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Using Custom Ethernet library. You must include a library and initialize
#endif
#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"
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Using default Ethernet_Generic lib
#endif
#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
////////////////////////////
#elif USE_UIP_ETHERNET
#include "UIPEthernet.h"
#if (_ETHERNET_WEBSERVER_LOGLEVEL_ > 3)
#warning Using UIPEthernet library
#endif
#define SHIELD_TYPE "ENC28J60 using UIPEthernet Library"
#endif // #if !USE_UIP_ETHERNET
////////////////////////////
#if !defined(MULTIPLY_FACTOR)
#define MULTIPLY_FACTOR 1
#elif (MULTIPLY_FACTOR > 6)
// Limit to max 4, for Ethernet W5500 buffer of 8K
#undef MULTIPLY_FACTOR
#define MULTIPLY_FACTOR 6
#endif
////////////////////////////
#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. AdvancedWebServer on NRF52840_FEATHER_EXPRESS with ENC28J60 using EthernetENC Library

The following are debug terminal output and screen shot when running example AdvancedWebServer on Adafruit NRF52840_FEATHER_EXPRESS with ENC28J60 using EthernetENC Library

Starting AdvancedWebServer on NRF52840_FEATHER with ENC28J60 using EthernetENC Library
EthernetWebServer v2.4.1
[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 = 11
Connected! IP address: 192.168.2.96
HTTP EthernetWebServer is @ IP : 192.168.2.96
EthernetWebServer::handleClient: New Client
method:  GET
url:  /
search:
headerName: Host
headerValue: 192.168.2.113
headerName: Connection
headerValue: keep-alive
headerName: DNT
headerValue: 1
headerName: Upgrade-Insecure-Requests
headerValue: 1
headerName: User-Agent
headerValue: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36
headerName: Accept
headerValue: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
headerName: Accept-Encoding
headerValue: gzip, deflate
headerName: Accept-Language
headerValue: en-GB,en-US;q=0.9,en;q=0.8
args:
args count:  0
args:
args count:  0
Request: /
Arguments: 
Final list of key/value pairs:
EthernetWebServer::_handleRequest handle
EthernetWebServer::send1: len =  347
content =  <html><head><meta http-equiv='refresh' content='5'/><title>NRF52840_FEATHER</title><style>body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }</style></head><body><h2>Hello from NRF52840_FEATHER</h2><h3>running EthernetWebServer</h3><p>Uptime: 0 d 00:00:11</p><img src="/test.svg" /></body></html>
EthernetWebServer::_prepareHeader sendHeader Conn close
EthernetWebServer::send1: write header =  HTTP/1.1 200 OK
Content-Type: text/html
Content-Length: 347
Connection: close


EthernetWebServer::sendContent: Client.write content:  <html><head><meta http-equiv='refresh' content='5'/><title>AdvancedWebServer NRF52840_FEATHER</title><style>body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }</style></head><body><h2>Hi from EthernetWebServer!</h2><h3>on NRF52840_FEATHER</h3><p>Uptime: 0 d 00:00:11</p><img src="/test.svg" /></body></html>
EthernetWebServer::_handleRequest OK
EthernetWebServer::handleClient: Client disconnected
EthernetWebServer::handleClient: Don't keepCurrentClient
EthernetWebServer::handleClient: Client disconnected
EthernetWebServer::handleClient: New Client
method:  GET
url:  /test.svg
search:
headerName: Host
headerValue: 192.168.2.113
headerName: Connection
headerValue: keep-alive
headerName: User-Agent
headerValue: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36
headerName: DNT
headerValue: 1
headerName: Accept
headerValue: image/webp,image/apng,image/*,*/*;q=0.8
headerName: Referer
headerValue: http://192.168.2.113/
headerName: Accept-Encoding
headerValue: gzip, deflate
headerName: Accept-Language
headerValue: en-GB,en-US;q=0.9,en;q=0.8
args:
args count:  0
args:
args count:  0
Request: /test.svg
Arguments: 
Final list of key/value pairs:
EthernetWebServer::_handleRequest handle
EthernetWebServer::send1: len =  1950
content =  <svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="310" height="150">
<rect width="310" height="150" fill="rgb(250, 230, 210)" stroke-width="3" stroke="rgb(0, 0, 0)" />
<g stroke="blue">
<line x1="10" y1="98" x2="20" y2="111" stroke-width="2" />
<line x1="20" y1="111" x2="30" y2="90" stroke-width="2" />
<line x1="30" y1="90" x2="40" y2="22" stroke-width="2" />
<line x1="40" y1="22" x2="50" y2="98" stroke-width="2" />
<line x1="50" y1="98" x2="60" y2="64" stroke-width="2" />
<line x1="60" y1="64" x2="70" y2="104" stroke-width="2" />
<line x1="70" y1="104" x2="80" y2="31" stroke-width="2" />
<line x1="80" y1="31" x2="90" y2="59" stroke-width="2" />
<line x1="90" y1="59" x2="100" y2="139" stroke-width="2" />
<line x1="100" y1="139" x2="110" y2="117" stroke-width="2" />
<line x1="110" y1="117" x2="120" y2="75" stroke-width="2" />
<line x1="120" y1="75" x2="130" y2="72" stroke-width="2" />
<line x1="130" y1="72" x2="140" y2="137" stroke-width="2" />
<line x1="140" y1="137" x2="150" y2="20" stroke-width="2" />
<line x1="150" y1="20" x2="160" y2="94" stroke-width="2" />
<line x1="160" y1="94" x2="170" y2="81" stroke-width="2" />
<line x1="170" y1="81" x2="180" y2="38" stroke-width="2" />
<line x1="180" y1="38" x2="190" y2="33" stroke-width="2" />
<line x1="190" y1="33" x2="200" y2="53" stroke-width="2" />
<line x1="200" y1="53" x2="210" y2="88" stroke-width="2" />
<line x1="210" y1="88" x2="220" y2="32" stroke-width="2" />
<line x1="220" y1="32" x2="230" y2="110" stroke-width="2" />
<line x1="230" y1="110" x2="240" y2="87" stroke-width="2" />
<line x1="240" y1="87" x2="250" y2="11" stroke-width="2" />
<line x1="250" y1="11" x2="260" y2="98" stroke-width="2" />
<line x1="260" y1="98" x2="270" y2="76" stroke-width="2" />
<line x1="270" y1="76" x2="280" y2="121" stroke-width="2" />
<line x1="280" y1="121" x2="290" y2="139" stroke-width="2" />
<line x1="290" y1="139" x2="300" y2="103" stroke-width="2" />
</g>
</svg>

EthernetWebServer::_prepareHeader sendHeader Conn close
EthernetWebServer::send1: write header =  HTTP/1.1 200 OK
Content-Type: image/svg+xml
Content-Length: 1950
Connection: close

2. ENC28J60_WM_Config on ESP32 with ENC28J60 using UIPEthernet Library

The terminal output of ESP32 running a ENC28J60_WM_Config example of BlynkEthernet_WM Library

Start ENC28J60_WM_Config on ESP32
[38] EEPROMsz:1024
[38] CCSum=0x29f2,RCSum=0x29f2
[38] CrCCsum=0,CrRCsum=0
[38] Hdr=ENC28J60,BName=ESP32-ENC28J60-WM
[38] Svr=account.duckdns.org,Tok=token
[45] Svr1=account.ddns.net,Tok1=token1
[51] Prt=8080,SIP=blank
[53] MAC:FE-80-D6-B4-FC-EE
ENC28J60_CONTROL_CS =13
SS =5
SPI_MOSI =23
SPI_MISO =19
SPI_SCK =18
[5332] IP:192.168.2.103
[5332] bg:ECon.TryB
[5332] 
    ___  __          __
   / _ )/ /_ _____  / /__
  / _  / / // / _ \/  '_/
 /____/_/\_, /_//_/_/\_\
        /___/ v0.6.1 on ESP32

[5343] BlynkArduinoClient.connect: Connecting to account.duckdns.org:8080
[6454] Ready (ping: 37ms).
[6522] Connected to Blynk Server = account.duckdns.org, Token = token
[6522] bg:EBCon
Conn2Blynk: server = account.duckdns.org, port = 8080
Token = token, IP = 192.168.2.103
BBBBBBBBBB BBBBBBBBBB BBBBBBBBBB

3. SimpleWebSocket on SAM DUE with W5x00 using Ethernet_Generic Library

The terminal output of SAM DUE with W5x00 using Ethernet_Generic Library running SimpleWebSocket example to demonstrate newly-added WebSocket Client feature.

Starting SimpleWebSocket on SAM DUE with W5x00 using Ethernet_Generic Library
EthernetWebServer v2.4.1
[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
Connected! IP address: 192.168.2.81
starting WebSocket client
Connection failed
disconnected
starting WebSocket client
Connected
Sending Hello 0
Sending Hello 1
Received a message:
0 => Hello from SimpleWebSocket on SAM DUE, millis = 6906
Sending Hello 2
Received a message:
1 => Hello from SimpleWebSocket on SAM DUE, millis = 11907
Sending Hello 3
Received a message:
2 => Hello from SimpleWebSocket on SAM DUE, millis = 16909
Sending Hello 4
Received a message:
3 => Hello from SimpleWebSocket on SAM DUE, millis = 21911
Sending Hello 5
Received a message:
4 => Hello from SimpleWebSocket on SAM DUE, millis = 26913
Sending Hello 6
Received a message:
5 => Hello from SimpleWebSocket on SAM DUE, millis = 31915
Sending Hello 7
Received a message:
6 => Hello from SimpleWebSocket on SAM DUE, millis = 36917
Sending Hello 8
Received a message:
7 => Hello from SimpleWebSocket on SAM DUE, millis = 41919
Sending Hello 9
Received a message:
8 => Hello from SimpleWebSocket on SAM DUE, millis = 46921
Sending Hello 10
Received a message:
9 => Hello from SimpleWebSocket on SAM DUE, millis = 51923
Sending Hello 11
Received a message:
10 => Hello from SimpleWebSocket on SAM DUE, millis = 56925
Sending Hello 12
Received a message:
11 => Hello from SimpleWebSocket on SAM DUE, millis = 61927
Sending Hello 13
Received a message:
12 => Hello from SimpleWebSocket on SAM DUE, millis = 66929
Sending Hello 14
Received a message:
13 => Hello from SimpleWebSocket on SAM DUE, millis = 71931
Sending Hello 15
Received a message:
14 => Hello from SimpleWebSocket on SAM DUE, millis = 76933
Sending Hello 16
Received a message:
15 => Hello from SimpleWebSocket on SAM DUE, millis = 81935
Sending Hello 17
Received a message:
16 => Hello from SimpleWebSocket on SAM DUE, millis = 86937
Sending Hello 18
Received a message:
17 => Hello from SimpleWebSocket on SAM DUE, millis = 91939

4. DweetPost on NRF52840_FEATHER with W5x00 using Ethernet_Generic Library

The terminal output of NRF52840_FEATHER with W5x00 using Ethernet_Generic Library running DweetPost example to demonstrate newly-added high-level HTTP Client feature.

Starting DweetPost on NRF52840_FEATHER with W5x00 using Ethernet_Generic Library
EthernetWebServer v2.4.1
[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
=========================
Currently Used SPI pinout:
MOSI:25
MISO:24
SCK:26
SS:5
SPI_CS:10
=========================
Using mac index = 17
Connected! IP address: 192.168.2.80
making POST request
Status code: 200
Response: {"this":"succeeded","by":"dweeting","the":"dweet","with":{"thing":"scandalous-cheese-hoarder","created":"2020-11-17T05:10:59.175Z","content":{"sensorValue":40},"transaction":"08ae7c04-f1e5-4411-ad05-eb4afe77a6b4"}}
Wait ten seconds

5. ESP32_FS_EthernetWebServer on ESP32 using LittleFS with W5x00 using Ethernet_Generic Library

The terminal output of ESP32 with W5x00 using Ethernet_Generic Library running ESP32_FS_EthernetWebServer example to demonstrate newly-added WebServer serving from LittleFS/SPIFFS

Starting ESP32_FS_EthernetWebServer on ESP32 using LittleFS
With W5x00 using Ethernet_Generic Library on SPI
EthernetWebServer v2.4.1
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 23
[EWS] MISO: 19
[EWS] SCK: 18
[EWS] SS: 5
[EWS] =========================
[EWS] ESP32 setCsPin: 5
=========================
Currently Used SPI pinout:
MOSI:23
MISO:19
SCK:18
SS:5
=========================
Connected! IP address: 192.168.2.139
FS File: /CanadaFlag_1.png, size: 40.25KB
FS File: /CanadaFlag_2.png, size: 8.12KB
FS File: /CanadaFlag_3.jpg, size: 10.89KB
FS File: /edit.htm.gz, size: 4.02KB
FS File: /favicon.ico, size: 1.12KB
FS File: /graphs.js.gz, size: 1.92KB
FS File: /index.htm, size: 3.63KB

HTTP server started @192.168.2.139
Open http://192.168.2.139/edit to see the file browser
handleFileRead: /edit.htm
handleFileRead: /index.htm
handleFileRead: /favicon.ico

and the screen shot of the WebServer

6. FS_EthernetWebServer on ESP8266 using LittleFS with W5x00 using Ethernet_Generic Library

The terminal output of ESP8266 with W5x00 using Ethernet_Generic Library running FS_EthernetWebServer example to demonstrate newly-added WebServer serving from LittleFS/SPIFFS

Starting FS_EthernetWebServer on ESP8266 using LittleFS
With W5x00 using Ethernet_Generic Library
EthernetWebServer v2.4.1
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 13
[EWS] MISO: 12
[EWS] SCK: 14
[EWS] SS: 15
[EWS] =========================
[EWS] ESP8266 setCsPin: 4
=========================
Currently Used SPI pinout:
MOSI:13
MISO:12
SCK:14
SS:15
=========================
Connected! IP address: 192.168.2.139
Opening / directory
FS File: CanadaFlag_1.png, size: 40.25KB
FS File: CanadaFlag_2.png, size: 8.12KB
FS File: CanadaFlag_3.jpg, size: 10.89KB
FS File: edit.htm.gz, size: 4.02KB
FS File: favicon.ico, size: 1.12KB
FS File: graphs.js.gz, size: 1.92KB
FS File: index.htm, size: 3.63KB
FS File: page1.html, size: 1.16KB
FS File: page1.htm, size: 1.16KB
FS File: page2.html, size: 1.16KB
FS File: page3.html, size: 1.16KB


HTTP server started @192.168.2.139
Open http://192.168.2.139/edit to see the file browser
handleFileRead: /edit.htm
handleFileRead: /index.htm
handleFileRead: /favicon.ico

and the screen shot of the WebServer

7. serveStatic on ESP8266 using LittleFS with W5x00 using Ethernet_Generic Library

The terminal output of ESP8266 with W5x00 using Ethernet_Generic Library running serveStatic example to demonstrate newly-added WebServer serving from LittleFS/SPIFFS

Starting serveStatic demoing 'serveStatic' function on ESP8266 using LittleFS
With W5x00 using Ethernet_Generic Library
EthernetWebServer v2.4.1
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 13
[EWS] MISO: 12
[EWS] SCK: 14
[EWS] SS: 15
[EWS] =========================
[EWS] ESP8266 setCsPin: 4
=========================
Currently Used SPI pinout:
MOSI:13
MISO:12
SCK:14
SS:15
=========================
Connected! IP address: 192.168.2.133
HTTP server started

and the screen shot of the WebServer

8. SimpleWebServer_NativeEthernet on Teensy 4.1 with NativeEthernet library

The following are debug terminal output and screen shot when running example SimpleWebServer_NativeEthernet on Teensy 4.1 with NativeEthernet library

SimpleWebServer_NativeEthernet on Teensy 4.1 with NativeEthernet
EthernetWebServer v2.4.1
Debug Level = 3
Connected! IP address: 192.168.2.127
[EWS] <html><head><meta http-equiv='refresh' content='5'/><title>AdvancedWebServer Teensy 4.1 with NativeEthernet</title><style>body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }</style></head><body><h2>Hi from EthernetWebServer!</h2><h3>on Teensy 4.1 with NativeEthernet</h3><p>Uptime: 0 d 00:00:05</p></body></html>
========================================
[EWS] <svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="310" height="150">
<rect width="310" height="150" fill="rgb(250, 230, 210)" stroke-width="1" stroke="rgb(0, 0, 0)" />
<g stroke="black">
<line x1="10" y1="77" x2="20" y2="67" stroke-width="1" />
<line x1="20" y1="67" x2="30" y2="98" stroke-width="1" />
<line x1="30" y1="98" x2="40" y2="111" stroke-width="1" />
<line x1="40" y1="111" x2="50" y2="90" stroke-width="1" />
<line x1="50" y1="90" x2="60" y2="22" stroke-width="1" />
<line x1="60" y1="22" x2="70" y2="98" stroke-width="1" />
<line x1="70" y1="98" x2="80" y2="64" stroke-width="1" />
<line x1="80" y1="64" x2="90" y2="104" stroke-width="1" />
<line x1="90" y1="104" x2="100" y2="31" stroke-width="1" />
<line x1="100" y1="31" x2="110" y2="59" stroke-width="1" />
<line x1="110" y1="59" x2="120" y2="139" stroke-width="1" />
<line x1="120" y1="139" x2="130" y2="117" stroke-width="1" />
<line x1="130" y1="117" x2="140" y2="75" stroke-width="1" />
<line x1="140" y1="75" x2="150" y2="72" stroke-width="1" />
<line x1="150" y1="72" x2="160" y2="137" stroke-width="1" />
<line x1="160" y1="137" x2="170" y2="20" stroke-width="1" />
<line x1="170" y1="20" x2="180" y2="94" stroke-width="1" />
<line x1="180" y1="94" x2="190" y2="81" stroke-width="1" />
<line x1="190" y1="81" x2="200" y2="38" stroke-width="1" />
<line x1="200" y1="38" x2="210" y2="33" stroke-width="1" />
<line x1="210" y1="33" x2="220" y2="53" stroke-width="1" />
<line x1="220" y1="53" x2="230" y2="88" stroke-width="1" />
<line x1="230" y1="88" x2="240" y2="32" stroke-width="1" />
<line x1="240" y1="32" x2="250" y2="110" stroke-width="1" />
<line x1="250" y1="110" x2="260" y2="87" stroke-width="1" />
<line x1="260" y1="87" x2="270" y2="11" stroke-width="1" />
<line x1="270" y1="11" x2="280" y2="98" stroke-width="1" />
<line x1="280" y1="98" x2="290" y2="76" stroke-width="1" />
<line x1="290" y1="76" x2="300" y2="121" stroke-width="1" />
</g>
</svg>

========================================

9. AdvancedWebServer on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library

The following are debug terminal output and screen shot when running example AdvancedWebServer on RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library and Arduino-mbed RP2040 core

Starting AdvancedWebServer on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library
EthernetWebServer v2.4.1
[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 = 19
Connected! IP address: 192.168.2.95
HTTP EthernetWebServer is @ IP : 192.168.2.95
.[EWS] String Len = 0, extend to 2048
..

10. MQTTClient_Auth on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library

The following are debug terminal output when running example MQTTClient_Auth on RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library and Arduino-mbed RP2040 core

Start MQTTClient_Auth on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library
EthernetWebServer v2.4.1
[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 = 10
Connected! IP address: 192.168.2.94
Attempting MQTT connection to broker.emqx.io...connected
Message Send : MQTT_Pub => Hello from MQTTClient_Auth on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library
Message arrived [MQTT_Pub] Hello from MQTTClient_Auth on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library

11. AdvancedWebServer on RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library

The following are debug terminal output and screen shot when running example AdvancedWebServer on RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library and Earle Philhower's arduino-pico core

Starting AdvancedWebServer on RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library
EthernetWebServer v2.4.1
[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 = 7
Connected! IP address: 192.168.2.117
HTTP EthernetWebServer is @ IP : 192.168.2.117
.......... .......... .......... .......... .......... ..

12. UdpNTPClient on RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library

The following are debug terminal output and screen shot when running example UdpNTPClient on RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library and Earle Philhower's arduino-pico core

Start UdpNTPClient on RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library
EthernetWebServer v2.4.1
[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 = 18
You're connected to the network, IP = 192.168.2.106
UDP Packet received, size 48
From 128.138.140.44, port 123
Seconds since Jan 1 1900 = 3830118654
Unix time = 1621129854
The UTC time is 1:50:54
UDP Packet received, size 48
From 128.138.140.44, port 123
Seconds since Jan 1 1900 = 3830118666
Unix time = 1621129866
The UTC time is 1:51:06

13. AdvancedWebServer on Teensy 4.1 using NativeEthernet Library

The following are debug terminal output and screen shot when running example AdvancedWebServer on Teensy 4.1 using NativeEthernet Library

Starting AdvancedWebServer on TEENSY 4.1 using QNEthernet
EthernetWebServer v2.4.1
[EWS] =========== USE_QN_ETHERNET ===========
Initialize Ethernet using static IP => IP Address = 192.168.2.222
HTTP EthernetWebServer is @ IP : 192.168.2.222
.[EWS] String Len = 0, extend to 2048
..........

14. AdvancedWebServer on Teensy 4.1 using QNEthernet Library

The following are debug terminal output and screen shot when running example AdvancedWebServer on Teensy 4.1 using QNEthernet Library

Starting AdvancedWebServer on TEENSY 4.1 using QNEthernet
EthernetWebServer v2.4.1
[EWS] =========== USE_QN_ETHERNET ===========
Initialize Ethernet using static IP => IP Address = 192.168.2.222
HTTP EthernetWebServer is @ IP : 192.168.2.222
.[EWS] String Len = 0, extend to 2048
......... .......... .......... .......... .......... .......... .......... ..........
.......... .......... ......

15. MQTTClient_Auth on TEENSY 4.1 using QNEthernet Library

The following is the debug terminal output when running example MQTTClient_Auth on Teensy 4.1 using QNEthernet Library

Start MQTTClient_Auth on TEENSY 4.1 using QNEthernet
EthernetWebServer v2.4.1
[EWS] =========== USE_QN_ETHERNET ===========
Initialize Ethernet using static IP => IP Address = 192.168.2.222
Attempting MQTT connection to broker.emqx.io...connected
Message Send : MQTT_Pub => Hello from MQTTClient_Auth on TEENSY 4.1 using QNEthernet
Message arrived [MQTT_Pub] Hello from MQTTClient_Auth on TEENSY 4.1 using QNEthernet
Message Send : MQTT_Pub => Hello from MQTTClient_Auth on TEENSY 4.1 using QNEthernet
Message arrived [MQTT_Pub] Hello from MQTTClient_Auth on TEENSY 4.1 using QNEthernet

16. AdvancedWebServer on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library

The following are debug terminal output and screen shot when running example AdvancedWebServer on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library

Starting AdvancedWebServer on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
EthernetWebServer v2.4.1
[EWS] ======== USE_PORTENTA_H7_ETHERNET ========
Using mac index = 6
Connected! IP address: 192.168.2.222
HTTP EthernetWebServer is @ IP : 192.168.2.222
.[EWS] String Len = 0, extend to 2048
.......... .......... .......... .......... .......... ..

17. SimpleWebSocket on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library

The following is the debug terminal output when running example MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library

17.1 Client
Starting SimpleWebSocket on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
EthernetWebServer v2.4.1
[EWS] ======== USE_PORTENTA_H7_ETHERNET ========
Using mac index = 4
Connected! IP address: 192.168.2.132
starting WebSocket client
Sending Hello 0
Sending Hello 1
Received a message:
0 => Hello from SimpleWebSocket on PORTENTA_H7_M7, millis = 5022
Sending Hello 2
Received a message:
1 => Hello from SimpleWebSocket on PORTENTA_H7_M7, millis = 10075
Sending Hello 3
Received a message:
2 => Hello from SimpleWebSocket on PORTENTA_H7_M7, millis = 15132
Sending Hello 4
Received a message:
3 => Hello from SimpleWebSocket on PORTENTA_H7_M7, millis = 20145
Sending Hello 5
Received a message:
4 => Hello from SimpleWebSocket on PORTENTA_H7_M7, millis = 25152
17.2 Server
kh@kh-Inspiron-3593:~/Downloads/Nodejs/simple-websocket-server$ ./WS_server.sh 
Wed Sep 08 2021 21:30:46 GMT-0400 (Eastern Daylight Time) Server is listening on port 8080
Wed Sep 08 2021 21:31:08 GMT-0400 (Eastern Daylight Time) Connection accepted.
Received Message: 0 => Hello from SimpleWebSocket on PORTENTA_H7_M7, millis = 5022
Received Message: 1 => Hello from SimpleWebSocket on PORTENTA_H7_M7, millis = 10075
Received Message: 2 => Hello from SimpleWebSocket on PORTENTA_H7_M7, millis = 15132
Received Message: 3 => Hello from SimpleWebSocket on PORTENTA_H7_M7, millis = 20145
Received Message: 4 => Hello from SimpleWebSocket on PORTENTA_H7_M7, millis = 25152
Received Message: 5 => Hello from SimpleWebSocket on PORTENTA_H7_M7, millis = 30248
Received Message: 6 => Hello from SimpleWebSocket on PORTENTA_H7_M7, millis = 35256

18. MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library

The following is the debug terminal output when running example MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library

Start MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
EthernetWebServer v2.4.1
[EWS] ======== USE_PORTENTA_H7_ETHERNET ========
Using mac index = 7
Connected! IP address: 192.168.2.132
Attempting MQTT connection to broker.emqx.io...connected
Message Send : MQTT_Pub => Hello from MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
Message arrived [MQTT_Pub] Hello from MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
Message Send : MQTT_Pub => Hello from MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
Message arrived [MQTT_Pub] Hello from MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
Message Send : MQTT_Pub => Hello from MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
Message arrived [MQTT_Pub] Hello from MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
Message Send : MQTT_Pub => Hello from MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
Message arrived [MQTT_Pub] Hello from MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
Message Send : MQTT_Pub => Hello from MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
Message arrived [MQTT_Pub] Hello from MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
Message Send : MQTT_Pub => Hello from MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
Message arrived [MQTT_Pub] Hello from MQTTClient_Auth on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library

19. WiFi_Ethernet_Complex_ESP32 on ESP32_DEV

The following are debug terminal output when running example WiFi_Ethernet_Complex_ESP32 on ESP32_DEV using both EthernetWebServer and WebServer Library simultaneously.

Starting WiFi_Ethernet_Complex_ESP32 on ESP32_DEV
Connecting to HueNet1
.......
WiFi connected
IP address: 
192.168.2.105
[EWS] ESP32 setCsPin: 22
_pinCS = 0
W5100 init, using SS_PIN_DEFAULT = 22, new ss_pin = 10, W5100Class::ss_pin = 22
W5100::init: W5500, SSIZE =8192
HTTP EthernetWebServer is @ IP : 192.168.2.114
HTTP WiFiWebServer is @ IP : 192.168.2.105

20. WiFi_Ethernet_Complex_ESP8266 on ESP8266_NODEMCU_ESP12E

The following are debug terminal output when running example WiFi_Ethernet_Complex_ESP8266 on ESP8266_NODEMCU_ESP12E using both EthernetWebServer and WebServer Library simultaneously.

Starting WiFi_Ethernet_Complex_ESP8266 on ESP8266_NODEMCU_ESP12E
Connecting to HueNet1
...........
WiFi connected
IP address: 
192.168.2.109
[EWS] ESP8266 setCsPin: 4
=========================
Currently Used SPI pinout:
MOSI:13
MISO:12
SCK:14
SS:15
HTTP EthernetWebServer is @ IP : 192.168.2.111
HTTP WiFiWebServer is @ IP : 192.168.2.109

21. AdvancedWebServer_ESP32_SPI2 on ESP32_DEV with W5x00 using Ethernet_Generic Library on SPI2

The following are debug terminal output and screen shot when running example AdvancedWebServer_ESP32_SPI2 on ESP32_DEV with W5500 using Ethernet_Generic Library on SPI2

Starting AdvancedWebServer_ESP32_SPI2 on ESP32_DEV with W5x00 using Ethernet_Generic Library on SPI2
EthernetWebServer v2.4.1
=========================
Currently Used SPI pinout:
MOSI:13
MISO:12
SCK:14
SS:5
=========================
Using mac index = 0
Connected! IP address: 192.168.2.102
Speed: 100 MB, Duplex: FULL DUPLEX, Link status: LINK
HTTP EthernetWebServer is @ IP : 192.168.2.102
.
[EWS] String Len = 0, extend to 2048

22. AdvancedWebServer on RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library on SPI1

The following are debug terminal output and screen shot when running example AdvancedWebServer on RASPBERRY_PI_PICO with W5500 using Ethernet_Generic Library on SPI1 and arduino-pico core

Starting AdvancedWebServer on RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library on SPI1
EthernetWebServer v2.4.1
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 15
[EWS] MISO: 12
[EWS] SCK: 14
[EWS] SS: 13
[EWS] =========================
[EWS] RPIPICO setCsPin: 13
[EWS] =========================
[EWS] Currently Used SPI pinout:
[EWS] MOSI: 15
[EWS] MISO: 12
[EWS] SCK: 14
[EWS] SS: 13
[EWS] =========================
Using mac index = 13
Connected! IP address: 192.168.2.104
HTTP EthernetWebServer is @ IP : 192.168.2.104
.[EWS] String Len = 0, extend to 2048
......... .......... ..........

23. AdvancedWebServer_RP2040_SPI1 on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library on SPI1

The following are debug terminal output and screen shot when running example AdvancedWebServer_RP2040_SPI1 on MBED RASPBERRY_PI_PICO with W5500 using Ethernet_Generic Library on SPI1 and ArduinoCore-mbed

Starting AdvancedWebServer_RP2040_SPI1 on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library with Large Buffer
EthernetWebServer v2.4.1
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 15
[EWS] MISO: 12
[EWS] SCK: 14
[EWS] SS: 13
[EWS] =========================
[EWS] RPIPICO setCsPin: 13
[EWS] =========================
[EWS] Currently Used SPI pinout:
[EWS] MOSI: 15
[EWS] MISO: 12
[EWS] SCK: 14
[EWS] SS: 13
[EWS] =========================
Using mac index = 6
Connected! IP address: 192.168.2.97
HTTP EthernetWebServer is @ IP : 192.168.2.97
...

24. AdvancedWebServer_Teensy4x_SPI1 on TEENSY 4.1 with W5x00 using Ethernet_Generic Library on SPI1

The following are debug terminal output and screen shot when running example AdvancedWebServer_Teensy4x_SPI1 on Teensy 4.1 with W5500 using Ethernet_Generic Library on SPI1

Starting AdvancedWebServer_Teensy4x_SPI1 on TEENSY 4.1 with W5x00 using Ethernet_Generic Library with Large Buffer
EthernetWebServer v2.4.1
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 26
[EWS] MISO: 1
[EWS] SCK: 27
[EWS] SS: 0
[EWS] =========================
[EWS] Board : TEENSY 4.1 , setCsPin: 0
[EWS] =========================
[EWS] Currently Used SPI pinout:
[EWS] MOSI: 26
[EWS] MISO: 1
[EWS] SCK: 27
[EWS] SS: 0
[EWS] =========================
Using mac index = 15
Connected! IP address: 192.168.2.101
HTTP EthernetWebServer is @ IP : 192.168.2.101
.[EWS] String Len = 0, extend to 2048
......... .......... ..........

25. AdvancedWebServer on Curiosity AVR_AVR128DA48 with W5x00 using Ethernet_Generic Library on SPI

The following are debug terminal output and screen shot when running example AdvancedWebServer on Curiosity AVR_AVR128DA48 with W5500 using Ethernet_Generic Library on SPI

Starting AdvancedWebServer on Curiosity AVR_AVR128DA48 with W5x00 using Ethernet_Generic Library on SPI0/SPI
EthernetWebServer v2.4.1
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 4
[EWS] MISO: 5
[EWS] SCK: 6
[EWS] SS: 7
[EWS] =========================
[EWS] Board : Curiosity AVR_AVR128DA48 , setCsPin: 7
[ETG] W5100 init, using W5100Class::ss_pin =  7 , whereas new ss_pin =  10 , SS_PIN_DEFAULT = 10
[ETG] Chip is W5500
[ETG] W5100::init: W5500, SSIZE = 8192
[EWS] =========================
[EWS] Currently Used SPI pinout:
[EWS] MOSI: 4
[EWS] MISO: 5
[EWS] SCK: 6
[EWS] SS: 7
[EWS] =========================
Using mac index = 6
Connected! IP address: 192.168.2.105
HTTP EthernetWebServer is @ IP : 192.168.2.105
..[EWS] String Len = 0, extend to 2048
........ .......... .......... .......... ...

26. EthernetWebServer_BigData on NRF52840_FEATHER

The following is debug terminal output when running example EthernetWebServer_BigData on NRF52840_FEATHER board, using W5500 Ethernet with Ethernet_Generic Library, to demo how to send much larger data than total 8K

MULTIPLY_FACTOR = 3.0f
Start EthernetWebServer_BigData on NRF52840_FEATHER with W5x00 using Ethernet_Generic Library on SPI0/SPI
EthernetWebServer v2.4.1
[ETG] W5100 init, using W5100Class::ss_pin =  5 , whereas new ss_pin =  10 , SS_PIN_DEFAULT = 10
[ETG] Chip is W5500
[ETG] W5100::init: W5500, SSIZE = 8192
Using mac index = 14
Connected! IP address: 192.168.2.135
String Len = 23712
[ETG] EthernetClient::write: To write, size =  86
[ETG] EthernetClient::write: written =  86 , totalBytesSent = 86
[ETG] EthernetClient::write: Done, written =  86 , totalBytesSent = 86
[ETG] EthernetClient::write: To write, size =  23712
[ETG] EthernetClient::write: written =  8192 , totalBytesSent = 8192
[ETG] EthernetClient::write: Partially Done, written =  8192 , bytesRemaining = 15520
[ETG] EthernetClient::write: written =  8192 , totalBytesSent = 16384
[ETG] EthernetClient::write: Partially Done, written =  8192 , bytesRemaining = 7328
[ETG] EthernetClient::write: written =  7328 , totalBytesSent = 23712
[ETG] EthernetClient::write: Done, written =  7328 , totalBytesSent = 23712
[ETG] EthernetClient::write: To write, size =  91
[ETG] EthernetClient::write: written =  91 , totalBytesSent = 91
[ETG] EthernetClient::write: Done, written =  91 , totalBytesSent = 91
[ETG] EthernetClient::write: To write, size =  59
[ETG] EthernetClient::write: written =  59 , totalBytesSent = 59
[ETG] EthernetClient::write: Done, written =  59 , totalBytesSent = 59
String Len = 23712
[ETG] EthernetClient::write: To write, size =  86
[ETG] EthernetClient::write: written =  86 , totalBytesSent = 86
[ETG] EthernetClient::write: Done, written =  86 , totalBytesSent = 86
[ETG] EthernetClient::write: To write, size =  23712
[ETG] EthernetClient::write: written =  8192 , totalBytesSent = 8192
[ETG] EthernetClient::write: Partially Done, written =  8192 , bytesRemaining = 15520
[ETG] EthernetClient::write: written =  8192 , totalBytesSent = 16384
[ETG] EthernetClient::write: Partially Done, written =  8192 , bytesRemaining = 7328
[ETG] EthernetClient::write: written =  7328 , totalBytesSent = 23712
[ETG] EthernetClient::write: Done, written =  7328 , totalBytesSent = 23712

27. EthernetWebServer_BigData on RASPBERRY_PI_PICO

The following is debug terminal output when running example EthernetWebServer_BigData on RASPBERRY_PI_PICO board, using W5500 Ethernet with Ethernet_Generic Library, to demo how to send much larger data than total 8K

MULTIPLY_FACTOR = 3.0f
Start EthernetWebServer_BigData on RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library on SPI0/SPI
EthernetWebServer v2.4.1
[ETG] W5100 init, using W5100Class::ss_pin =  17 , whereas new ss_pin =  10 , SS_PIN_DEFAULT = 17
[ETG] Chip is W5100S
[ETG] W5100::init: W5100S, SSIZE = 4096
Using mac index = 7
Connected! IP address: 192.168.2.111
String Len = 23714
[ETG] EthernetClient::write: To write, size =  86
[ETG] EthernetClient::write: written =  86 , totalBytesSent = 86
[ETG] EthernetClient::write: Done, written =  86 , totalBytesSent = 86
[ETG] EthernetClient::write: To write, size =  23714
[ETG] EthernetClient::write: written =  4096 , totalBytesSent = 4096
[ETG] EthernetClient::write: Partially Done, written =  4096 , bytesRemaining = 19618
[ETG] EthernetClient::write: written =  4096 , totalBytesSent = 8192
[ETG] EthernetClient::write: Partially Done, written =  4096 , bytesRemaining = 15522
[ETG] EthernetClient::write: written =  4096 , totalBytesSent = 12288
[ETG] EthernetClient::write: Partially Done, written =  4096 , bytesRemaining = 11426
[ETG] EthernetClient::write: written =  4096 , totalBytesSent = 16384
[ETG] EthernetClient::write: Partially Done, written =  4096 , bytesRemaining = 7330
[ETG] EthernetClient::write: written =  4096 , totalBytesSent = 20480
[ETG] EthernetClient::write: Partially Done, written =  4096 , bytesRemaining = 3234
[ETG] EthernetClient::write: written =  3234 , totalBytesSent = 23714
[ETG] EthernetClient::write: Done, written =  3234 , totalBytesSent = 23714
String Len = 23714
[ETG] EthernetClient::write: To write, size =  86
[ETG] EthernetClient::write: written =  86 , totalBytesSent = 86
[ETG] EthernetClient::write: Done, written =  86 , totalBytesSent = 86
[ETG] EthernetClient::write: To write, size =  23714
[ETG] EthernetClient::write: written =  4096 , totalBytesSent = 4096
[ETG] EthernetClient::write: Partially Done, written =  4096 , bytesRemaining = 19618
[ETG] EthernetClient::write: written =  4096 , totalBytesSent = 8192
[ETG] EthernetClient::write: Partially Done, written =  4096 , bytesRemaining = 15522
[ETG] EthernetClient::write: written =  4096 , totalBytesSent = 12288
[ETG] EthernetClient::write: Partially Done, written =  4096 , bytesRemaining = 11426
[ETG] EthernetClient::write: written =  4096 , totalBytesSent = 16384
[ETG] EthernetClient::write: Partially Done, written =  4096 , bytesRemaining = 7330
[ETG] EthernetClient::write: written =  4096 , totalBytesSent = 20480
[ETG] EthernetClient::write: Partially Done, written =  4096 , bytesRemaining = 3234
[ETG] EthernetClient::write: written =  3234 , totalBytesSent = 23714
[ETG] EthernetClient::write: Done, written =  3234 , totalBytesSent = 23714

28. AdvancedWebServer on ESP32_DEV with W6100 using Ethernet_Generic Library on SPI

The following are debug terminal output when running example AdvancedWebServer on ESP32_DEV with WIZnet WIZ610MJ W6100 using Ethernet_Generic Library

Starting AdvancedWebServer on ESP32_DEV with W5x00 using Ethernet_Generic Library on SPI
EthernetWebServer v2.4.1
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 23
[EWS] MISO: 19
[EWS] SCK: 18
[EWS] SS: 5
[EWS] =========================
[EWS] ESP32 setCsPin: 5
[ETG] W5100 init, using W5100Class::ss_pin =  5 , whereas new ss_pin =  10 , SS_PIN_DEFAULT = 22
[ETG] Chip is W6100
[EWS] =========================
[EWS] Currently Used SPI pinout:
[EWS] MOSI: 23
[EWS] MISO: 19
[EWS] SCK: 18
[EWS] SS: 5
[EWS] =========================
Using mac index = 1
Connected! IP address: 192.168.2.107
HTTP EthernetWebServer is @ IP : 192.168.2.107
..[EWS] String Len = 0, extend to 8192
[EWS] String Len =  7455
[EWS] String Len =  7450

Debug

Debug is enabled by default on Serial. Debug Level from 0 to 4. To disable, change the ETHERNET_WEBSERVER_LOGLEVEL to 0

// Use this to output debug msgs to Serial
#define DEBUG_ETHERNET_WEBSERVER_PORT       Serial
// Use this to disable all output debug msgs
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_       0

Troubleshooting

If you get compilation errors, more often than not, you may need to install a newer version of the board's core, applying Libraries' Patches, Packages' Patches or this library latest version.

Issues

Submit issues to: EthernetWebServer issues

TO DO

  1. Bug Searching and Killing
  2. Add Server support
  3. Support more types of boards using Ethernet shields.
  4. Support more non-compatible Ethernet Libraries such as Ethernet_Shield_W5200, EtherCard, EtherSia
  5. Add mDNS features.

DONE

  1. Add support to Arduino SAMD21 (ZERO, MKR, NANO_33_IOT, etc.)
  2. Add support to Adafruit SAMD21 (Itsy-Bitsy M0, Metro M0, Feather M0 Express, etc.).
  3. Add support to Adafruit SAMD51 (Itsy-Bitsy M4, Metro M4, Grand Central M4, Feather M4 Express, etc.).
  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..
  5. Add support to SAM DUE.
  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 ESP32 and ESP8266
  9. Add support to Seeeduino SAMD21/SAMD51: LoRaWAN, Zero, Femto M0, XIAO M0, Wio GPS Board, Wio Terminal, Grove UI Wireless
  10. Add support to EthernetENC
  11. Add support to PROGMEM-related commands, such as sendContent_P() and send_P()
  12. Add High-level HTTP (GET, POST, PUT, PATCH, DELETE) and WebSocket Client
  13. Add support to RP2040-based boards such as RASPBERRY_PI_PICO, using Arduino-mbed RP2040 core
  14. Add support to RP2040-based boards such as RASPBERRY_PI_PICO, using Earle Philhower's arduino-pico core v1.3.1+
  15. Add support to Teensy 4.1 built-in Ethernet using NativeEthernet library
  16. Add support to Teensy 4.1 built-in Ethernet using QNEthernet library
  17. Add support to Portenta_H7 boards, using Arduino-mbed mbed_portenta core.
  18. Reduce usage of Arduino String with std::string
  19. Optimize library code and examples by using reference-passing instead of value-passing.
  20. Make breaking changes in v2.0.0 to permit coexistence with ESP32 WebServer and ESP8266 ESP8266WebServer libraries
  21. Add support to SAMD21/SAMD51 boards using Fab_SAM_Arduino core
  22. Fix bug when using QNEthernet staticIP.
  23. Add staticIP option to NativeEthernet examples
  24. Use new Ethernet_Generic library as default for W5x00.
  25. Support SPI2 for ESP32
  26. Add support to SPI1 for RP2040 using arduino-pico core
  27. Drop EthernetWrapper
  28. Add example multiFileProject to demo how to avoid multiple-definitions linker error for multiple-file project
  29. Change from arduino.cc to arduino.tips in examples
  30. Add support to SPI1, SPI2 for Teensy using W5x00 with Ethernet_Generic library
  31. Add support to custom SPI for Mbed RP2040, Portenta-H7, etc. using W5x00 with Ethernet_Generic library
  32. Add examples AdvancedWebServer_Teensy4x_SPI1 and AdvancedWebServer_RP2040_SPI1 to demo new features
  33. Auto-select SPI(s) SS/CS pins according to board package if available
  34. Slow SPI clock for old W5100 shield or SAMD Zero
  35. Use correct Debug Terminal Serial for so-called SAMD21 Zero boards from Arduino as well as Adafruit
  36. Add support to AVR Dx (AVR128Dx, AVR64Dx, AVR32Dx, etc.) using DxCore
  37. Add support to Seeeduino nRF52840-based boards such as SEEED_XIAO_NRF52840 and SEEED_XIAO_NRF52840_SENSE, etc. using Seeed mbed or nRF52 core
  38. Add astyle using allman style. Restyle the library
  39. Update Packages' Patches to add Seeeduino nRF52 core
  40. Add examples EthernetWebServer_BigData to demo how to send larger data than 2/4/8/16K buffer
  41. Modify example AdvancedWebServer to demo how to send larger data than 2/4/8/16K buffer
  42. Fix compile errors for new ESP32 core v2.0.6
  43. Add support to WIZNet W6100 using IPv4

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 good Ivan Grokhotkov's ESP8266WebServer and ESP32 WebServer libraries.
  2. jandrassy for EthernetENC and UIPEthernet library
  3. Thanks to good work of Miguel Alexandre Wisintainer for initiating, inspriring, working with, developing, debugging and testing. Without that, support to nRF52, especially U-Blox B302 running as nRF52840 and U-Blox B112 running as nRF52832, has never been started and finished. Also see ESP32-based U-BLOX NINA W102 running ENC28J60.
  4. Thanks to Vladimir to initiate the work on ESP32 and ESP8266 in Spiffs not work Issue #2
  5. Adrian McEwen for HttpClient Library on which the ArduinoHttpClient Library and this EthernetWebServer library are relied.
  6. Thanks to jimmie11 to report and suggest a fix in Compile Error on Teensy 4.1 #14 leading to the new version v1.2.0 to provide support to Teensy 4.1 using NativeEthernet Library
  7. Thanks to Sardar Azari to make PR in streamFile and serveStatic for ESP8266/ESP32 boards #22 leading to the new version v1.3.0 to add WebServer feature to serve static from LittleFS/SPIFFS for ESP32/ESP8266. The example serveStatic and serveStaticLoadFile are also contributed by Sardar Azari.
  8. Thanks to neardreams to report issue Something wrong in http response header #41, then make PR in fix for wrong http status header #42 leading to the new version v1.8.2 to fix wrong http status header bug.
  9. Thanks to dirkdickler to report issue server.authenticate problem #43 which was fixed in v1.8.2
  10. Thanks to Shahram to report issues
  1. RQnet to report issue Decoding Error. two times called urlDecode in Parsing-impl.h. #17 leading to version v2.0.1 to fix the decoding error bug when using special & in data fields.
igrr
⭐️ Ivan Grokhotkov
 amcewen
⭐️ Adrian McEwen
 jandrassy
⭐️ Juraj Andrássy
 tcpipchip
⭐️ Miguel Wisintainer
 Vladimir
Vladimir
 jimmie11
jimmie11
gagulik
Sardar Azari
 neardreams
neardreams
 dirkdickler
dirkdickler
 Nourbakhsh-Rad
Shahram
 RQnet
RQnet

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 MIT

Copyright

Copyright (C) 2020- Khoi Hoang

About

This is simple yet complete WebServer library for AVR, AVR Dx, Portenta_H7, Teensy, SAM DUE, SAMD21/SAMD51, nRF52, STM32, RP2040-based, etc. boards running Ethernet shields. The functions are similar and compatible to ESP8266/ESP32 WebServer libraries to make life much easier to port sketches from ESP8266/ESP32. Coexisting now with `ESP32 WebSer…

Topics

teensy webserver websockets http-client websocket-client http-requests http-server ethernet samd enc28j60 nrf52 w5x00 rp2040 portentah7 teensy41 native-ethernet ethernetwebserver-library qn-ethernet custom-spi dx-core

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v2.4.1 to add support to `WIZNet W6100` using IPv4 Latest
Jan 7, 2023
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