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FTP Client for Generic boards such as AVR Mega, megaAVR, Portenta_H7, Teensy, SAM DUE, SAMD21, SAMD51, STM32F/L/H/G/WB/MP1, nRF52, RP2040-based (Nano-RP2040-Connect, RASPBERRY_PI_PICO, ESP32/ESP8266, etc.). FTP Client can use WiFi (ESP_WiFi, Portenta_H7 WiFi, WiFiNINA, WiFi101, U-Blox W101, W102, ESP8266/ESP32-AT), Ethernet W6100, W5100S, W5200,,..

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khoih-prog/FTPClient_Generic

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FTPClient_Generic Library

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Table of Contents



Why do we need this FTPClient_Generic library

Features

This FTPClient_Generic library is a simple yet complete FTP Client library for AVR, mega-AVR, Portenta_H7, Teensy, SAM DUE, Arduino SAMD21, Adafruit SAMD21/SAMD51, Adafruit nRF52, ESP32/ESP8266, STM32, RP2040-based, etc. boards using either WiFi or Ethernet.

Library is based on and modified from:

  1. Leonardo Bispo's ESP32_FTPClient

Now supporting other new FTP Servers, such as vsftpd in Linux, Ubuntu, Rasbberry Pi, etc.



Currently supported Boards using Ethernet

This FTPClient_Generic 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 arduino-pico core with SPI, SPI1

  6. Portenta_H7

  7. Arduino UNO WiFi Rev2, AVR_NANO_EVERY, etc.


Currently supported Ethernet shields/modules

  1. W5500, W6100 using Ethernet_Generic library
  2. W5x00 using Ethernet, EthernetLarge, Ethernet2 or Ethernet3 library
  3. ENC28J60 using EthernetENC or UIPEthernet library
  4. Teensy 4.1 built-in Ethernet using NativeEthernet library. From v1.1.0
  5. Teensy 4.1 built-in Ethernet using QNEthernet library. From v1.1.0
  6. Portenta_H7 Ethernet using Portenta_Ethernet library


Currently Supported Boards using WiFi

This FTPClient_Generic library currently supports these following boards:

  1. SAM DUE

  2. SAMD21

  • Arduino: ZERO, MKR, 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 M44 Express, Trellis M4, Metro M4 AirLift lite, MONSTER M4SK Express, Hallowing EM4 xpress, etc.
  • Seeeduino: Wio Terminal, Grove UI Wireless
  1. Teensy (4.1, 4.0, 3.6, 3.5, 3,2, 3.1, 3.0, LC)

  2. All STM32F/L/H/G/WB/MP1 with more than 32KB flash memory.

  3. AVR Mega1280, 2560, ADK, 32U4, 16U4, etc. using Arduino, Adafruit or Sparkfun core. To use patch for ArduinoSTL library.

  4. RP2040-based boards, such as Nano RP2040 Connect, using Arduino-mbed RP2040 core or Earle Philhower's arduino-pico core

  5. RP2040-based boards, such as RASPBERRY_PI_PICO, ADAFRUIT_FEATHER_RP2040 and GENERIC_RP2040, using Arduino-mbed RP2040 core or arduino-pico core.

  6. ESP32

  • ESP32 boards, such as ESP32_DEV, etc.
  • ESP32S2-based boards, such as ESP32S2_DEV, ESP32_S2 Saola, etc.
  • ESP32C3-based boards, such as ESP32C3_DEV, etc.
  • ESP32_S3 (ESP32S3_DEV, ESP32_S3_BOX, UM TINYS3, UM PROS3, UM FEATHERS3, etc.)
  1. ESP8266

  2. Portenta_H7

  3. 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.

  4. Arduino megaAVR boards using Arduino core

  • UNO WiFi Rev2 : WiFi101_Generic
  • Nano Every : WiFiEspAT
  1. CO2 Ampel
  • SAMD : WiFi101_Generic
  1. STM32 using STM32duino Maple core

  2. Sparkfun SAMD

  • SAMD21, SAMD51 : WiFiEspAT
  1. Industruino SAMD
  • D21G : WiFiEspAT
  1. Tlera Corp STM32WB boards
  • Firefly-WB55RG, Nucleo-WB55RG, etc. : WiFiEspAT
  1. Maixduino boards
  • Sipeed Maixduino, etc. : WiFiEspAT
  1. RTL8720DN using Realtek AmebaD core

  2. Arduino, Sparkfun, Adafruit, etc. AVR boards (Mega, 32U4, etc.). To use patch for ArduinoSTL library

  • Arduino Uno / Mega / Duemilanove / Diecimila / LilyPad / Mini / Fio / Nano, etc.
  • Arduino ATMega 16U4, 32U4 such as AVR Leonardo, Leonardo ETH, YUN, Esplora, LILYPAD_USB, AVR_ROBOT_CONTROL, AVR_ROBOT_MOTOR, AVR_INDUSTRIAL101, etc.
  • Adafruit ATMega 32U4 such as AVR_FLORA8, AVR_FEATHER32U4, AVR_CIRCUITPLAY, AVR_ITSYBITSY32U4_5V, AVR_ITSYBITSY32U4_3V, AVR_BLUEFRUITMICRO, AVR_ADAFRUIT32U4, etc.
  • Adafruit ATMega 328(P) such as AVR_METRO, AVR_FEATHER328P, AVR_PROTRINKET5, AVR_PROTRINKET3, AVR_PROTRINKET5FTDI, AVR_PROTRINKET3FTDI, etc.
  • Generic or Sparkfun AVR ATmega_32U4 such as AVR_MAKEYMAKEY, AVR_PROMICRO, etc.
  • Generic or Sparkfun AVR ATmega_328(P) such as ARDUINO_REDBOT, ARDUINO_AVR_DIGITAL_SANDBOX, etc.
  • Generic or Sparkfun AVR ATmega128RFA1 such as ATMEGA128RFA1_DEV_BOARD, etc.
  1. RP2040W with CYW43439 WiFi using arduino-pico core New

Currently supported WiFi shields/modules

  1. WiFiNINA using WiFiNINA_Generic library
  2. WiFi101 using WiFi101_Generic library
  3. u-blox W101, W102 using WiFiNINA_Generic library
  4. ESP8266-AT command using WiFiEspAT library
  5. ESP8266/ESP32-AT command using ESP_AT_Lib library
  6. Built-in WiFi of ESP32, ESP8266
  7. Built-in WiFi of Portenta_H7


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. 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 3.1.1+ 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 3.5.4+ for Arduino (Use Arduino Board Manager) Portenta_H7, RP2040-based boards, such as Nano_RP2040_Connect, RASPBERRY_PI_PICO. GitHub release
  12. arduino-pico core v2.7.1+ 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.
  14. Functional-Vlpp library v1.0.2+ to use server's lambda function. To install. check arduino-library-badge
  15. Depending on which Ethernet card you're using:
  1. Depending on which WiFi you're using:


Installation

Use Arduino Library Manager

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

Manual Install

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

VS Code & PlatformIO:

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


Packages' Patches

1. For Adafruit nRF52840 and nRF52832 boards

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

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

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

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

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

2. For Teensy boards

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

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

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

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

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

3. For Arduino SAM DUE boards

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

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

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

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

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

4. For Arduino SAMD boards

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

For core version v1.8.10+

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

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

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

This file must be copied into the directory:

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

For core version v1.8.9-

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

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

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

These files must be copied into the directory:

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

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

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

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

5. For Adafruit SAMD boards

To be able to compile, run and automatically detect and display BOARD_NAME on Adafruit SAMD (Itsy-Bitsy M4, etc) boards, you have to copy the whole Adafruit SAMD Packages_Patches directory into Adafruit samd directory (~/.arduino15/packages/adafruit/hardware/samd/1.7.11).

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

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 Fix Multiple Definitions Linker Error

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

You can include this .hpp file

// Can be included as many times as necessary, without `Multiple Definitions` Linker Error
#include "FTPClient_Generic.hpp"     //https://github.com/khoih-prog/FTPClient_Generic

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

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

Check the new multiFileProject example for a HOWTO demo.

Have a look at the discussion in Different behaviour using the src_cpp or src_h lib #80



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 for Ethernet

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 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 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 <FTPClient_Generic.h>
#include <EthernetLarge.h>
...

#include <FTPClient_Generic.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

// 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

  • For Ethernet_Generic library only, to use SPI2 for ESP32
#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

  • For Ethernet_Generic library only, to use SPI1/SPI2 for Teensy 4.x
#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


How to configure to use different WiFi Libraries

1. Modify pin-to-pin connection in WiFiNINA_Generic library

Please change the pin-to-pin connection in ~/Arduino/libraries/src/WiFiNINA_Pinout_Generic.h to match actual connection if using WiFiNINA with WiFiNINA_Generic library.

For example

#elif ( defined(NRF52840_FEATHER) || defined(NRF52832_FEATHER) || defined(NRF52_SERIES) || defined(ARDUINO_NRF52_ADAFRUIT) || \
        defined(NRF52840_FEATHER_SENSE) || defined(NRF52840_ITSYBITSY) || defined(NRF52840_CIRCUITPLAY) || defined(NRF52840_CLUE) || \
        defined(NRF52840_METRO) || defined(NRF52840_PCA10056) || defined(PARTICLE_XENON) || defined(NINA_B302_ublox) || defined(NINA_B112_ublox) )

  #warning You have to modify pin usage according to actual connection for NRF528XX
  // To define pin out for WiFiNINA here

  //#define PINS_COUNT           (60u)
  //NINA
  #define NINA_GPIO0  (26u)                             //26
  #define NINA_RESETN (27u)
  #define NINA_ACK    (28u)

  #define SPIWIFI_SS       24   //PIN_SPI1_SS            //24
  #define SPIWIFI_ACK      28   //NINA_ACK               //28 
  #define SPIWIFI_RESET    27   //NINA_RESETN            //27

2. How to select which built-in WiFi or shield to use

  • To use W102-based WiFiNINA, define in the sketch:
#define USE_WIFI_NINA         true
  • To use built-in WiFi101 or shield:
#define USE_WIFI_NINA         false
#define USE_WIFI101           true
  • To use MKR1000 with built-in WiFi101:
// Don't care false or true
#define USE_WIFI_NINA         false
  • For boards other than MKR1000, to use another WiFi library with the standard WiFi.h, such as WiFiEspAT library library
#define USE_WIFI_NINA         false
  • To use another WiFi library without the standard WiFi.h

For example, WiFi_XYZ library uses WiFi_XYZ.h

#define USE_WIFI_NINA         false
#define USE_WIFI_CUSTOM       true

...
//Must be placed before #include <WiFiWebServer.h>
#include <WiFi_XYZ.h>
#include <WiFiWebServer.h>

3. Important

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


Usage

Class Constructor

char ftp_server[] = "192.168.2.241";
char ftp_user[]   = "teensy4x";
char ftp_pass[]   = "ftp_test";

FTPClient_Generic ftp (ftp_server, ftp_user, ftp_pass, 60000);

Basic Operations

Starting the FTP Client

ftp.OpenConnection();

Change working directory

ftp.ChangeWorkDir("/");

Create new directory

//Create a new Directory
ftp.InitFile(COMMAND_XFER_TYPE_BINARY);
ftp.MakeDir("myNewDir");

List directory

ftp.InitFile(COMMAND_XFER_TYPE_ASCII);
ftp.ContentList("", list);

for (uint16_t i = 0; i < sizeof(list); i++)
{
  uint8_t indexSize = 0;

  if (list[i].length() > 0)
  {
    list[i].toLowerCase();

    if ( list[i].indexOf(fileName) > -1 )
    {
      indexSize = list[i].indexOf("size") + 5;

      fileSize = list[i].substring(indexSize, indexSize + 6).toInt();
    }

    // Print the directory details
    Serial.println(list[i]);
  }
  else
    break;
}

Upload text file using ASCII mode

ftp.InitFile(COMMAND_XFER_TYPE_ASCII);
ftp.NewFile(fileName);
ftp.Write("Hi, I'm a new file");
ftp.CloseFile();

Download text file using ASCII mode

String response = "";
ftp.InitFile(COMMAND_XFER_TYPE_ASCII);
ftp.DownloadString("helloworld.txt", response);
Serial.println("The file content is: " + response);

Upload file using BINARY mode

//Dynammically allocate buffer
unsigned char * downloaded_file = (unsigned char *) malloc(fileSize);

ftp.InitFile(COMMAND_XFER_TYPE_BINARY);

//And upload the file to the new directory
ftp.NewFile( fileName );
ftp.WriteData(downloaded_file, fileSize);
ftp.CloseFile();

Download file using BINARY mode

//Dynammically allocate buffer
unsigned char * downloaded_file = (unsigned char *) malloc(fileSize);

// And download the file
ftp.InitFile(COMMAND_XFER_TYPE_BINARY);
ftp.DownloadFile(fileName, downloaded_file, fileSize, false);


Examples:

Ethernet Examples

  1. FTPClient_DownloadFile
  2. FTPClient_ListFiles
  3. FTPClient_UploadImage
  4. FTPClient_DownloadFile_RP2040_SPI1
  5. FTPClient_DownloadFile_STM32_LAN8742A
  6. FTPClient_ListFiles_STM32_LAN8742A

QNEthernet Examples

  1. FTPClient_DownloadFile
  2. FTPClient_ListFiles
  3. FTPClient_UploadImage

WiFi Examples

  1. FTPClient_DownloadFile
  2. FTPClient_ListFiles
  3. FTPClient_UploadImage

General Example

  1. multiFileProject


#include "Arduino.h"
#include "defines.h"
#include <FTPClient_Generic.h>
// To use `true` with the following PASV mode asnswer from server, such as `VSFTP`
// 227 Entering Passive Mode (192,168,2,112,157,218)
// Using `false` with old style PASV answer, such as `FTP_Server_Teensy41` library
// 227 Entering Passive Mode (4043483328, port 55600)
#define USING_VSFTP_SERVER true
#if USING_VSFTP_SERVER
// Change according to your FTP server
char ftp_server[] = "192.168.2.112";
char ftp_user[] = "ftp_test";
char ftp_pass[] = "ftp_test";
char dirName[] = "/home/ftp_test";
char newDirName[] = "/home/ftp_test/NewDir";
#else
// Change according to your FTP server
char ftp_server[] = "192.168.2.241";
char ftp_user[] = "teensy4x";
char ftp_pass[] = "ftp_test";
char dirName[] = "/";
char newDirName[] = "/NewDir";
#endif
// FTPClient_Generic(char* _serverAdress, char* _userName, char* _passWord, uint16_t _timeout = 10000);
FTPClient_Generic ftp (ftp_server, ftp_user, ftp_pass, 60000);
char fileName[] = "helloworld.txt";
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
#ifndef USE_THIS_SS_PIN
#define USE_THIS_SS_PIN 5 //22 // For ESP32
#endif
ET_LOGWARN1(F("ESP32 setCsPin:"), USE_THIS_SS_PIN);
// For other boards, to change if necessary
#if ( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC )
// Must use library patch for Ethernet, EthernetLarge libraries
// ESP32 => GPIO2,4,5,13,15,21,22 OK with Ethernet, Ethernet2, EthernetLarge
// ESP32 => GPIO2,4,5,15,21,22 OK with Ethernet3
//Ethernet.setCsPin (USE_THIS_SS_PIN);
Ethernet.init (USE_THIS_SS_PIN);
#elif USE_CUSTOM_ETHERNET
// You have to add initialization for your Custom Ethernet here
// This is just an example to setCSPin to USE_THIS_SS_PIN, and can be not correct and enough
Ethernet.init(USE_THIS_SS_PIN);
#endif //( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC )
#elif ETHERNET_USE_RPIPICO
pinMode(USE_THIS_SS_PIN, OUTPUT);
digitalWrite(USE_THIS_SS_PIN, HIGH);
// ETHERNET_USE_RPIPICO, use default SS = 5 or 17
#ifndef USE_THIS_SS_PIN
#if defined(ARDUINO_ARCH_MBED)
#define USE_THIS_SS_PIN 5 // For Arduino Mbed core
#else
#define USE_THIS_SS_PIN 17 // For E.Philhower core
#endif
#endif
ET_LOGWARN1(F("RPIPICO setCsPin:"), USE_THIS_SS_PIN);
// For other boards, to change if necessary
#if ( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC )
// Must use library patch for Ethernet, EthernetLarge libraries
// For RPI Pico using Arduino Mbed RP2040 core
// SCK: GPIO2, MOSI: GPIO3, MISO: GPIO4, SS/CS: GPIO5
// For RPI Pico using E. Philhower RP2040 core
// SCK: GPIO18, MOSI: GPIO19, MISO: GPIO16, SS/CS: GPIO17
// Default pin 5/17 to SS/CS
//Ethernet.setCsPin (USE_THIS_SS_PIN);
Ethernet.init (USE_THIS_SS_PIN);
#endif //( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC )
#else //defined(ESP8266)
// unknown board, do nothing, use default SS = 10
#ifndef USE_THIS_SS_PIN
#define USE_THIS_SS_PIN 10 // For other boards
#endif
#if defined(BOARD_NAME)
ET_LOGWARN3(F("Board :"), BOARD_NAME, F(", setCsPin:"), USE_THIS_SS_PIN);
#else
ET_LOGWARN1(F("Unknown board setCsPin:"), USE_THIS_SS_PIN);
#endif
// For other boards, to change if necessary
#if ( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC || USE_NATIVE_ETHERNET )
// Must use library patch for Ethernet, Ethernet2, EthernetLarge libraries
Ethernet.init (USE_THIS_SS_PIN);
#elif USE_CUSTOM_ETHERNET
// You have to add initialization for your Custom Ethernet here
// This is just an example to setCSPin to USE_THIS_SS_PIN, and can be not correct and enough
Ethernet.init(USE_THIS_SS_PIN);
#endif //( USE_ETHERNET_GENERIC || USE_ETHERNET_ENC )
#endif // defined(ESP8266)
#endif // #if !(USE_NATIVE_ETHERNET)
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
uint16_t index = millis() % NUMBER_OF_MAC;
// Use Static IP
//Ethernet.begin(mac[0], ip);
Ethernet.begin(mac[index]);
#if !(USE_NATIVE_ETHERNET || USE_ETHERNET_PORTENTA_H7)
ET_LOGWARN(F("========================="));
#if defined( ESP32 )
// 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)
{
Serial.println("No Ethernet found. Stay here forever");
while (true)
{
delay(1); // do nothing, no point running without Ethernet hardware
}
}
if (Ethernet.linkStatus() == LinkOFF)
{
Serial.println("Not connected Ethernet cable");
}
#endif
Serial.print(F("Using mac index = "));
Serial.println(index);
Serial.print(F("Connected! IP address: "));
Serial.println(Ethernet.localIP());
}
void setup()
{
Serial.begin( 115200 );
while (!Serial && millis() < 5000);
delay(500);
Serial.print(F("\nStarting FTPClient_DownloadFile on "));
Serial.print(BOARD_NAME);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(FTPCLIENT_GENERIC_VERSION);
initEthernet();
#if (ESP32)
Serial.print("Max Free Heap: ");
Serial.println(ESP.getMaxAllocHeap());
#endif
ftp.OpenConnection();
//Change directory
ftp.ChangeWorkDir(dirName);
Serial.println("Creating new file helloworld.txt");
// Create a new file to use as the download example below:
ftp.InitFile(COMMAND_XFER_TYPE_ASCII);
ftp.NewFile(fileName);
String textContent = String("Hi, I'm a new ASCII file created @ millis = ") + millis();
ftp.Write(textContent.c_str());
ftp.CloseFile();
////////////////////////////////////////
ftp.InitFile(COMMAND_XFER_TYPE_ASCII);
ftp.AppendFile(fileName);
textContent = String("\nAdded text @ millis = ") + millis();
ftp.Write(textContent.c_str());
ftp.CloseFile();
////////////////////////////////////////
//Download the text file or read it
String response = "";
ftp.InitFile(COMMAND_XFER_TYPE_ASCII);
ftp.DownloadString("helloworld.txt", response);
Serial.println("The file content is: " + response);
// Get the file size
String list[128];
// Get the directory content in order to allocate buffer
// my server response => type=file;modify=20190101000010;size=18; helloworld.txt
ftp.InitFile(COMMAND_XFER_TYPE_ASCII);
ftp.ContentListWithListCommand("", list);
for (uint16_t i = 0; i < sizeof(list); i++)
{
if (list[i].length() > 0)
{
list[i].toLowerCase();
// Print the directory details
Serial.println(list[i]);
}
else
break;
}
Serial.println("CloseConnection");
ftp.CloseConnection();
}
void loop()
{
}


2. File defines.h

#ifndef defines_h
#define defines_h
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
#define FTP_CLIENT_USING_ETHERNET true
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
#define _FTP_LOGLEVEL_ 4
#define USING_SPI2 false //true
#if ( defined(ARDUINO_PORTENTA_H7_M7) || defined(ARDUINO_PORTENTA_H7_M4) )
#if defined(BOARD_NAME)
#undef BOARD_NAME
#endif
#if defined(CORE_CM7)
#warning Using Portenta H7 M7 core
#define BOARD_NAME "PORTENTA_H7_M7"
#else
#warning Using Portenta H7 M4 core
#define BOARD_NAME "PORTENTA_H7_M4"
#endif
#define ETHERNET_USE_PORTENTA_H7 true
#define USE_ETHERNET_PORTENTA_H7 true
#endif
#if ( defined(ARDUINO_SAMD_ZERO) || defined(ARDUINO_SAMD_MKR1000) || defined(ARDUINO_SAMD_MKRWIFI1010) \
|| defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_SAMD_MKRFox1200) || defined(ARDUINO_SAMD_MKRWAN1300) || defined(ARDUINO_SAMD_MKRWAN1310) \
|| defined(ARDUINO_SAMD_MKRGSM1400) || defined(ARDUINO_SAMD_MKRNB1500) || defined(ARDUINO_SAMD_MKRVIDOR4000) || defined(__SAMD21G18A__) \
|| defined(ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS) || defined(__SAMD21E18A__) || defined(__SAMD51__) || defined(__SAMD51J20A__) || defined(__SAMD51J19A__) \
|| defined(__SAMD51G19A__) || defined(__SAMD51P19A__) || defined(__SAMD21G18A__) )
#if defined(ETHERNET_USE_SAMD)
#undef ETHERNET_USE_SAMD
#endif
#define ETHERNET_USE_SAMD true
#endif
#if ( defined(NRF52840_FEATHER) || defined(NRF52832_FEATHER) || defined(NRF52_SERIES) || defined(ARDUINO_NRF52_ADAFRUIT) || \
defined(NRF52840_FEATHER_SENSE) || defined(NRF52840_ITSYBITSY) || defined(NRF52840_CIRCUITPLAY) || defined(NRF52840_CLUE) || \
defined(NRF52840_METRO) || defined(NRF52840_PCA10056) || defined(PARTICLE_XENON) || defined(NINA_B302_ublox) || defined(NINA_B112_ublox) )
#if defined(ETHERNET_USE_NRF528XX)
#undef ETHERNET_USE_NRF528XX
#endif
#define ETHERNET_USE_NRF528XX true
#endif
#if ( defined(ARDUINO_SAM_DUE) || defined(__SAM3X8E__) )
#if defined(ETHERNET_USE_SAM_DUE)
#undef ETHERNET_USE_SAM_DUE
#endif
#define ETHERNET_USE_SAM_DUE true
#endif
#if ( defined(ARDUINO_ARCH_RP2040) || defined(ARDUINO_RASPBERRY_PI_PICO) || defined(ARDUINO_ADAFRUIT_FEATHER_RP2040) || defined(ARDUINO_GENERIC_RP2040) )
#if defined(ETHERNET_USE_RPIPICO)
#undef ETHERNET_USE_RPIPICO
#endif
#define ETHERNET_USE_RPIPICO true
#endif
#if defined(ETHERNET_USE_SAMD)
// For SAMD
// Default pin 10 to SS/CS
#define USE_THIS_SS_PIN 10
#if ( defined(ARDUINO_SAMD_ZERO) && !defined(SEEED_XIAO_M0) )
#define BOARD_TYPE "SAMD Zero"
#elif defined(ARDUINO_SAMD_MKR1000)
#define BOARD_TYPE "SAMD MKR1000"
#elif defined(ARDUINO_SAMD_MKRWIFI1010)
#define BOARD_TYPE "SAMD MKRWIFI1010"
#elif defined(ARDUINO_SAMD_NANO_33_IOT)
#define BOARD_TYPE "SAMD NANO_33_IOT"
#elif defined(ARDUINO_SAMD_MKRFox1200)
#define BOARD_TYPE "SAMD MKRFox1200"
#elif ( defined(ARDUINO_SAMD_MKRWAN1300) || defined(ARDUINO_SAMD_MKRWAN1310) )
#define BOARD_TYPE "SAMD MKRWAN13X0"
#elif defined(ARDUINO_SAMD_MKRGSM1400)
#define BOARD_TYPE "SAMD MKRGSM1400"
#elif defined(ARDUINO_SAMD_MKRNB1500)
#define BOARD_TYPE "SAMD MKRNB1500"
#elif defined(ARDUINO_SAMD_MKRVIDOR4000)
#define BOARD_TYPE "SAMD MKRVIDOR4000"
#elif defined(ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS)
#define BOARD_TYPE "SAMD ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS"
#elif defined(ADAFRUIT_FEATHER_M0_EXPRESS)
#define BOARD_TYPE "SAMD21 ADAFRUIT_FEATHER_M0_EXPRESS"
#elif defined(ADAFRUIT_METRO_M0_EXPRESS)
#define BOARD_TYPE "SAMD21 ADAFRUIT_METRO_M0_EXPRESS"
#elif defined(ADAFRUIT_CIRCUITPLAYGROUND_M0)
#define BOARD_TYPE "SAMD21 ADAFRUIT_CIRCUITPLAYGROUND_M0"
#elif defined(ADAFRUIT_GEMMA_M0)
#define BOARD_TYPE "SAMD21 ADAFRUIT_GEMMA_M0"
#elif defined(ADAFRUIT_TRINKET_M0)
#define BOARD_TYPE "SAMD21 ADAFRUIT_TRINKET_M0"
#elif defined(ADAFRUIT_ITSYBITSY_M0)
#define BOARD_TYPE "SAMD21 ADAFRUIT_ITSYBITSY_M0"
#elif defined(ARDUINO_SAMD_HALLOWING_M0)
#define BOARD_TYPE "SAMD21 ARDUINO_SAMD_HALLOWING_M0"
#elif defined(ADAFRUIT_METRO_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_METRO_M4_EXPRESS"
#elif defined(ADAFRUIT_GRAND_CENTRAL_M4)
#define BOARD_TYPE "SAMD51 ADAFRUIT_GRAND_CENTRAL_M4"
#elif defined(ADAFRUIT_FEATHER_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_FEATHER_M4_EXPRESS"
#elif defined(ADAFRUIT_ITSYBITSY_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_ITSYBITSY_M4_EXPRESS"
#define USE_THIS_SS_PIN 10
#elif defined(ADAFRUIT_TRELLIS_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_TRELLIS_M4_EXPRESS"
#elif defined(ADAFRUIT_PYPORTAL)
#define BOARD_TYPE "SAMD51 ADAFRUIT_PYPORTAL"
#elif defined(ADAFRUIT_PYPORTAL_M4_TITANO)
#define BOARD_TYPE "SAMD51 ADAFRUIT_PYPORTAL_M4_TITANO"
#elif defined(ADAFRUIT_PYBADGE_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_PYBADGE_M4_EXPRESS"
#elif defined(ADAFRUIT_METRO_M4_AIRLIFT_LITE)
#define BOARD_TYPE "SAMD51 ADAFRUIT_METRO_M4_AIRLIFT_LITE"
#elif defined(ADAFRUIT_PYGAMER_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_PYGAMER_M4_EXPRESS"
#elif defined(ADAFRUIT_PYGAMER_ADVANCE_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_PYGAMER_ADVANCE_M4_EXPRESS"
#elif defined(ADAFRUIT_PYBADGE_AIRLIFT_M4)
#define BOARD_TYPE "SAMD51 ADAFRUIT_PYBADGE_AIRLIFT_M4"
#elif defined(ADAFRUIT_MONSTER_M4SK_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_MONSTER_M4SK_EXPRESS"
#elif defined(ADAFRUIT_HALLOWING_M4_EXPRESS)
#define BOARD_TYPE "SAMD51 ADAFRUIT_HALLOWING_M4_EXPRESS"
#elif defined(SEEED_WIO_TERMINAL)
#define BOARD_TYPE "SAMD SEEED_WIO_TERMINAL"
#elif defined(SEEED_FEMTO_M0)
#define BOARD_TYPE "SAMD SEEED_FEMTO_M0"
#elif defined(SEEED_XIAO_M0)
#define BOARD_TYPE "SAMD SEEED_XIAO_M0"
#ifdef USE_THIS_SS_PIN
#undef USE_THIS_SS_PIN
#endif
#define USE_THIS_SS_PIN A1
#warning define SEEED_XIAO_M0 USE_THIS_SS_PIN == A1
#elif defined(Wio_Lite_MG126)
#define BOARD_TYPE "SAMD SEEED Wio_Lite_MG126"
#elif defined(WIO_GPS_BOARD)
#define BOARD_TYPE "SAMD SEEED WIO_GPS_BOARD"
#elif defined(SEEEDUINO_ZERO)
#define BOARD_TYPE "SAMD SEEEDUINO_ZERO"
#elif defined(SEEEDUINO_LORAWAN)
#define BOARD_TYPE "SAMD SEEEDUINO_LORAWAN"
#elif defined(SEEED_GROVE_UI_WIRELESS)
#define BOARD_TYPE "SAMD SEEED_GROVE_UI_WIRELESS"
#elif defined(__SAMD21E18A__)
#define BOARD_TYPE "SAMD21E18A"
#elif defined(__SAMD21G18A__)
#define BOARD_TYPE "SAMD21G18A"
#elif defined(__SAMD51G19A__)
#define BOARD_TYPE "SAMD51G19A"
#elif defined(__SAMD51J19A__)
#define BOARD_TYPE "SAMD51J19A"
#elif defined(__SAMD51J20A__)
#define BOARD_TYPE "SAMD51J20A"
#elif defined(__SAM3X8E__)
#define BOARD_TYPE "SAM3X8E"
#elif defined(__CPU_ARC__)
#define BOARD_TYPE "CPU_ARC"
#elif defined(__SAMD51__)
#define BOARD_TYPE "SAMD51"
#else
#define BOARD_TYPE "SAMD Unknown"
#endif
#elif (ETHERNET_USE_SAM_DUE)
// Default pin 10 to SS/CS
#define USE_THIS_SS_PIN 10
#define BOARD_TYPE "SAM DUE"
#elif (ETHERNET_USE_NRF528XX)
// Default pin 10 to SS/CS
#define USE_THIS_SS_PIN 10
#if defined(NRF52840_FEATHER)
#define BOARD_TYPE "NRF52840_FEATHER"
#elif defined(NRF52832_FEATHER)
#define BOARD_TYPE "NRF52832_FEATHER"
#elif defined(NRF52840_FEATHER_SENSE)
#define BOARD_TYPE "NRF52840_FEATHER_SENSE"
#elif defined(NRF52840_ITSYBITSY)
#define BOARD_TYPE "NRF52840_ITSYBITSY"
#define USE_THIS_SS_PIN 10 // For other boards
#elif defined(NRF52840_CIRCUITPLAY)
#define BOARD_TYPE "NRF52840_CIRCUITPLAY"
#elif defined(NRF52840_CLUE)
#define BOARD_TYPE "NRF52840_CLUE"
#elif defined(NRF52840_METRO)
#define BOARD_TYPE "NRF52840_METRO"
#elif defined(NRF52840_PCA10056)
#define BOARD_TYPE "NRF52840_PCA10056"
#elif defined(NINA_B302_ublox)
#define BOARD_TYPE "NINA_B302_ublox"
#elif defined(NINA_B112_ublox)
#define BOARD_TYPE "NINA_B112_ublox"
#elif defined(PARTICLE_XENON)
#define BOARD_TYPE "PARTICLE_XENON"
#elif defined(ARDUINO_NRF52_ADAFRUIT)
#define BOARD_TYPE "ARDUINO_NRF52_ADAFRUIT"
#else
#define BOARD_TYPE "nRF52 Unknown"
#endif
#elif ( defined(CORE_TEENSY) )
// Default pin 10 to SS/CS
#define USE_THIS_SS_PIN 10
#if defined(__IMXRT1062__)
// For Teensy 4.1/4.0
#if defined(ARDUINO_TEENSY41)
#define BOARD_TYPE "TEENSY 4.1"
// Use true for NativeEthernet Library, false if using other Ethernet libraries
#define USE_NATIVE_ETHERNET false //true
#elif defined(ARDUINO_TEENSY40)
#define BOARD_TYPE "TEENSY 4.0"
#else
#define BOARD_TYPE "TEENSY 4.x"
#endif
#elif defined(__MK66FX1M0__)
#define BOARD_TYPE "Teensy 3.6"
#elif defined(__MK64FX512__)
#define BOARD_TYPE "Teensy 3.5"
#elif defined(__MKL26Z64__)
#define BOARD_TYPE "Teensy LC"
#elif defined(__MK20DX256__)
#define BOARD_TYPE "Teensy 3.2" // and Teensy 3.1 (obsolete)
#elif defined(__MK20DX128__)
#define BOARD_TYPE "Teensy 3.0"
#elif defined(__AVR_AT90USB1286__)
#error Teensy 2.0++ not supported yet
#elif defined(__AVR_ATmega32U4__)
#error Teensy 2.0 not supported yet
#else
// For Other Boards
#define BOARD_TYPE "Unknown Teensy Board"
#endif
#elif ( defined(ESP8266) )
// For ESP8266
#warning Use ESP8266 architecture
#include <ESP8266mDNS.h>
#define ETHERNET_USE_ESP8266
#define BOARD_TYPE ARDUINO_BOARD
#elif ( defined(ESP32) )
// For ESP32
#warning Use ESP32 architecture
//#if !defined(ETHERNET_USE_ESP32)
// #define ETHERNET_USE_ESP32
//#endif
#define BOARD_TYPE ARDUINO_BOARD
#define W5500_RST_PORT 21
#include <soc/spi_pins.h>
#if USING_SPI2
#define PIN_MISO HSPI_IOMUX_PIN_NUM_MISO
#define PIN_MOSI HSPI_IOMUX_PIN_NUM_MOSI
#define PIN_SCK HSPI_IOMUX_PIN_NUM_CLK
#define PIN_SS HSPI_IOMUX_PIN_NUM_CS
#else
#define PIN_MISO MISO
#define PIN_MOSI MOSI
#define PIN_SCK SCK
#define PIN_SS SS
#endif
#elif ETHERNET_USE_RPIPICO
// Default pin 5 (in Mbed) or 17 to SS/CS
#if defined(ARDUINO_ARCH_MBED)
// For RPI Pico using Arduino Mbed RP2040 core
// SCK: GPIO2, MOSI: GPIO3, MISO: GPIO4, SS/CS: GPIO5
#define USE_THIS_SS_PIN 17
#if defined(BOARD_NAME)
#undef BOARD_NAME
#endif
#if defined(ARDUINO_RASPBERRY_PI_PICO)
#define BOARD_TYPE "MBED RASPBERRY_PI_PICO"
#elif defined(ARDUINO_ADAFRUIT_FEATHER_RP2040)
#define BOARD_TYPE "MBED DAFRUIT_FEATHER_RP2040"
#elif defined(ARDUINO_GENERIC_RP2040)
#define BOARD_TYPE "MBED GENERIC_RP2040"
#else
#define BOARD_TYPE "MBED Unknown RP2040"
#endif
#else
// For RPI Pico using E. Philhower RP2040 core
#if (USING_SPI2)
// SCK: GPIO14, MOSI: GPIO15, MISO: GPIO12, SS/CS: GPIO13 for SPI1
#define USE_THIS_SS_PIN 13
#else
// SCK: GPIO18, MOSI: GPIO19, MISO: GPIO16, SS/CS: GPIO17 for SPI0
#define USE_THIS_SS_PIN 17
#endif
#endif
#define SS_PIN_DEFAULT USE_THIS_SS_PIN
// For RPI Pico
#warning Use RPI-Pico RP2040 architecture
#else
// For Mega
// Default pin 10 to SS/CS
#define USE_THIS_SS_PIN 10
// Reduce size for Mega
#define SENDCONTENT_P_BUFFER_SZ 512
#define BOARD_TYPE "AVR Mega"
#endif
#ifndef BOARD_NAME
#define BOARD_NAME BOARD_TYPE
#endif
#include <SPI.h>
// Use true for ENC28J60 and UIPEthernet library (https://github.com/UIPEthernet/UIPEthernet)
// Use false for W5x00/W6100 and Ethernetx library (https://www.arduino.cc/en/Reference/Ethernet)
#define USE_UIP_ETHERNET false
// Note: To rename ESP628266 Ethernet lib files to Ethernet_ESP8266.h and Ethernet_ESP8266.cpp
// In order to USE_ETHERNET_ESP8266
#if ( !defined(USE_UIP_ETHERNET) || !USE_UIP_ETHERNET )
// To override the default CS/SS pin. Don't use unless you know exactly which pin to use
// You can define here or customize for each board at same place with BOARD_TYPE
// Check @ defined(SEEED_XIAO_M0)
//#define USE_THIS_SS_PIN 22 //21 //5 //4 //2 //15
// Only one if the following to be true
#define USE_ETHERNET_GENERIC true
#define USE_ETHERNET_ESP8266 false
#define USE_ETHERNET_ENC false
#define USE_CUSTOM_ETHERNET false
////////////////////////////
#if ( USE_ETHERNET_GENERIC || USE_ETHERNET_ESP8266 || USE_ETHERNET_ENC || \
USE_NATIVE_ETHERNET || USE_ETHERNET_PORTENTA_H7 )
#ifdef USE_CUSTOM_ETHERNET
#undef USE_CUSTOM_ETHERNET
#endif
#define USE_CUSTOM_ETHERNET false
#endif
#if USE_ETHERNET_PORTENTA_H7
#include <Portenta_Ethernet.h>
#include <Ethernet.h>
#warning Using Portenta_Ethernet lib for Portenta_H7.
#define SHIELD_TYPE "Ethernet using Portenta_Ethernet Library"
#elif USE_NATIVE_ETHERNET
#include "NativeEthernet.h"
#warning Using NativeEthernet lib for Teensy 4.1. Must also use Teensy Packages Patch or error
#define SHIELD_TYPE "Custom Ethernet using Teensy 4.1 NativeEthernet Library"
#elif USE_ETHERNET_GENERIC
#if USING_SPI2
#define SHIELD_TYPE "W5x00/W6100 using Ethernet_Generic Library on SPI1"
#else
#define SHIELD_TYPE "W5x00/W6100 using Ethernet_Generic Library on SPI0/SPI"
#endif
#define ETHERNET_LARGE_BUFFERS
#define _ETG_LOGLEVEL_ 2
#include "Ethernet_Generic.h"
#warning Using Ethernet_Generic lib
#elif USE_ETHERNET_ESP8266
#include "Ethernet_ESP8266.h"
#warning Using Ethernet_ESP8266 lib
#define SHIELD_TYPE "W5x00 using Ethernet_ESP8266 Library"
#elif USE_ETHERNET_ENC
#include "EthernetENC.h"
#warning Using EthernetENC lib
#define SHIELD_TYPE "ENC28J60 using EthernetENC Library"
#elif USE_CUSTOM_ETHERNET
//#include "Ethernet_XYZ.h"
#include "EthernetENC.h"
#warning Using Custom Ethernet library. You must include a library and initialize.
#define SHIELD_TYPE "Custom Ethernet using Ethernet_XYZ Library"
#else
#ifdef USE_ETHERNET_GENERIC
#undef USE_ETHERNET_GENERIC
#endif
#define USE_ETHERNET_GENERIC true
#include "Ethernet_Generic.h"
#warning Using default Ethernet_Generic lib
#define SHIELD_TYPE "W5x00/W6100 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/W6100
////////////////////////////
#elif USE_UIP_ETHERNET
#include "UIPEthernet.h"
#error Using UIPEthernet library not supported. Try EthernetENC
#define SHIELD_TYPE "ENC28J60 using UIPEthernet Library"
#endif // #if !USE_UIP_ETHERNET
#include <EthernetWebServer.h>
#ifndef SHIELD_TYPE
#define SHIELD_TYPE "Unknown Ethernet shield/library"
#endif
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress ip(192, 168, 2, 222);
// Google DNS Server IP
IPAddress myDns(8, 8, 8, 8);
#endif //defines_h



Debug Terminal Output Samples

1. FTPClient_DownloadFile on TEENSY 4.0 with W5x00 using Ethernet_Generic Library

The following is debug terminal output when running example FTPClient_DownloadFile on TEENSY 4.0 with W5x00 using Ethernet_Generic Library on SPI0/SPI connecting to vsftpd server

Starting FTPClient_DownloadFile on TEENSY 4.0 with W5x00 using Ethernet_Generic Library on SPI0/SPI
FTPCLIENT_GENERIC v1.6.0
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 11
[EWS] MISO: 12
[EWS] SCK: 13
[EWS] SS: 10
[EWS] =========================
[EWS] Board : TEENSY 4.0 , setCsPin: 10
[ETG] W5100 init, using SS_PIN_DEFAULT = 10 , new ss_pin =  10 , W5100Class::ss_pin =  10
[ETG] Chip is W5100S
[ETG] W5100::init: W5100S, SSIZE = 4096
[EWS] =========================
[EWS] Currently Used SPI pinout:
[EWS] MOSI: 11
[EWS] MISO: 12
[EWS] SCK: 13
[EWS] SS: 10
[EWS] =========================
Using mac index = 0
Connected! IP address: 192.168.2.97
[FTP] Connecting to:  192.168.2.112
[FTP] Command connected
[FTP] Send USER =  ftp_test
[FTP] Send PASSWORD =  ftp_test
[FTP] Send CWD
Creating new file helloworld.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,167,15).

[FTP] Data port:  42767
[FTP] _dataAddress:  192.168.2.112 , Data port:  42767
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,38,72).
[FTP] Data port:  9800
[FTP] _dataAddress:  192.168.2.112 , Data port:  9800
[FTP] Data connection established
[FTP] Send APPE
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,56,103).
[FTP] Data port:  14439
[FTP] _dataAddress:  192.168.2.112 , Data port:  14439
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result:  150 Opening ASCII mode data connection for helloworld.txt (75 bytes).
timedRead timeout = 1000
The file content is: Hi, I'm a new ASCII file created @ millis = 2677
Added text @ millis = 2683
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 226 Transfer complete.
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,101,234).
[FTP] Data port:  26090
[FTP] _dataAddress:  192.168.2.112 , Data port:  26090
[FTP] Send LIST
[FTP] Result:  200 Switching to ASCII mode.
CloseConnection
[FTP] Connection closed

2. FTPClient_UploadImage on Nano RP2040 Connect with WiFiNINA using WiFiNINA_Generic Library

The following is debug terminal output when running example FTPClient_UploadImage on Nano RP2040 Connect with WiFiNINA using WiFiNINA_Generic Library

Starting FTPClient_UploadImage on Nano RP2040 Connect with WiFiNINA using WiFiNINA_Generic Library
FTPCLIENT_GENERIC v1.6.0
Connecting WiFi
IP address: 192.168.2.117
[FTP] Connecting to:  192.168.2.241
[FTP] Command connected
[FTP] Send USER =  teensy4x
[FTP] Send PASSWORD =  ftp_test
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send CWD
[FTP] Send MLSD
[FTP] Result start
[FTP] Result:  150 Accepted data connection to port 55600
226-options: -a -l
226 18 matches total
[FTP] Result end
Directory info: 
type=file;modify=20220429231446;size=3810; index1.htm
type=file;modify=19800101000000;size=13; foo.txt
type=file;modify=20190101003904;size=3714; index2.htm
type=file;modify=20220429225004;size=3810; index.htm
type=file;modify=20220409222458;size=10; mydatalog.txt
type=file;modify=20220313201514;size=4116; edit.htm.gz
type=file;modify=20220313201514;size=41214; canadaflag_1.png
type=file;modify=20220313201514;size=8311; canadaflag_2.png
type=file;modify=20220313201514;size=11156; canadaflag_3.jpg
type=file;modify=20190101003834;size=1150; favicon.ico
type=file;modify=20220313201514;size=1971; graphs.js.gz
type=file;modify=20220429225252;size=8311; canadaflag_2_1.png
type=file;modify=20220429225138;size=1547; esp_at_wm_lite.txt
type=file;modify=20190101002054;size=18; helloworld.txt
type=dir;modify=20190101000020;size=0; mynewdir
type=dir;modify=20190101001150;size=0; my_new_dir
type=file;modify=20190101001412;size=51695; octocat.jpg
type=file;modify=20190101001414;size=11; hello_world.txt
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send STOR
[FTP] Writing
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Connection closed

3. FTPClient_DownloadFile on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library

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

Starting FTPClient_DownloadFile on PORTENTA_H7_M7 with Ethernet using Portenta_Ethernet Library
FTPCLIENT_GENERIC v1.6.0
[EWS] ======== USE_PORTENTA_H7_ETHERNET ========
Using mac index = 13
Connected! IP address: 192.168.2.123
[FTP] Connecting to:  192.168.2.241
[FTP] Command connected
[FTP] Send USER =  teensy4x
[FTP] Send PASSWORD =  ftp_test
[FTP] Send CWD
Creating new file helloworld.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result start
[FTP] Result:  150-Connected to port 55600
150 18 bytes to download
226 File successfully transferred
[FTP] Result end
The file content is: Hi, I'm a new file
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send MLSD
[FTP] Result start
[FTP] Result:  150 Accepted data connection to port 55600
226-options: -a -l
226 18 matches total
[FTP] Result end
type=file;modify=20220429231446;size=3810; index1.htm
type=file;modify=19800101000000;size=13; foo.txt
type=file;modify=20190101003904;size=3714; index2.htm
type=file;modify=20220429225004;size=3810; index.htm
type=file;modify=20220409222458;size=10; mydatalog.txt
type=file;modify=20220313201514;size=4116; edit.htm.gz
type=file;modify=20220313201514;size=41214; canadaflag_1.png
type=file;modify=20220313201514;size=8311; canadaflag_2.png
type=file;modify=20220313201514;size=11156; canadaflag_3.jpg
type=file;modify=20190101003834;size=1150; favicon.ico
type=file;modify=20220313201514;size=1971; graphs.js.gz
type=file;modify=20220429225252;size=8311; canadaflag_2_1.png
type=file;modify=20220429225138;size=1547; esp_at_wm_lite.txt
type=file;modify=20190101002054;size=18; helloworld.txt
type=dir;modify=20190101000020;size=0; mynewdir
type=dir;modify=20190101001150;size=0; my_new_dir
type=file;modify=20190101001412;size=51695; octocat.jpg
type=file;modify=20190101001414;size=11; hello_world.txt
File size is: 18
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result start
[FTP] Result:  150-Connected to port 55600
150 18 bytes to download
226-File successfully transferred
226 1 ms, 18 kbytes/s
[FTP] Result end
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send MKD
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Send CWD
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Send STOR
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Writing
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Close File
CloseConnection
[FTP] Connection closed

4. FTPClient_UploadImage on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library

The following is debug terminal output when running example FTPClient_DownloadFile on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library on SPI0/SPI

Starting FTPClient_UploadImage on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library on SPI0/SPI
FTPCLIENT_GENERIC v1.6.0
[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
[ETG] W5100 init, using SS_PIN_DEFAULT = 17 , new ss_pin =  10 , W5100Class::ss_pin =  17
[ETG] Chip is W5100S
[ETG] W5100::init: W5100S, SSIZE = 4096
[EWS] =========================
[EWS] Currently Used SPI pinout:
[EWS] MOSI: 19
[EWS] MISO: 16
[EWS] SCK: 18
[EWS] SS: 17
[EWS] =========================
Using mac index = 3
Connected! IP address: 192.168.2.95
[FTP] Connecting to:  192.168.2.241
[FTP] Command connected
[FTP] Send USER =  teensy4x
[FTP] Send PASSWORD =  ftp_test
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send CWD
[FTP] Send MLSD
[FTP] Result start
[FTP] Result:  150 Accepted data connection to port 55600
226-options: -a -l
226 18 matches total
[FTP] Result end
Directory info: 
type=file;modify=20220429231446;size=3810; index1.htm
type=file;modify=19800101000000;size=13; foo.txt
type=file;modify=20190101003904;size=3714; index2.htm
type=file;modify=20220429225004;size=3810; index.htm
type=file;modify=20220409222458;size=10; mydatalog.txt
type=file;modify=20220313201514;size=4116; edit.htm.gz
type=file;modify=20220313201514;size=41214; canadaflag_1.png
type=file;modify=20220313201514;size=8311; canadaflag_2.png
type=file;modify=20220313201514;size=11156; canadaflag_3.jpg
type=file;modify=20190101003834;size=1150; favicon.ico
type=file;modify=20220313201514;size=1971; graphs.js.gz
type=file;modify=20220429225252;size=8311; canadaflag_2_1.png
type=file;modify=20220429225138;size=1547; esp_at_wm_lite.txt
type=file;modify=20190101002054;size=18; helloworld.txt
type=dir;modify=20190101000020;size=0; mynewdir
type=dir;modify=20190101001150;size=0; my_new_dir
type=file;modify=20190101001412;size=51695; octocat.jpg
type=file;modify=20190101001414;size=11; hello_world.txt
Writing octocat.jpg
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send STOR
[FTP] Writing
[FTP] Close File
Writing hello_world.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Connection closed

5. FTPClient_DownloadFile on NUCLEO_L552ZE_Q with W5x00 using Ethernet_Generic Library

The following is debug terminal output when running example FTPClient_DownloadFile on NUCLEO_L552ZE_Q with W5x00 using Ethernet_Generic Library on SPI0/SPI

Starting FTPClient_DownloadFile on NUCLEO_L552ZE_Q with W5x00 using Ethernet_Generic Library on SPI0/SPI
FTPCLIENT_GENERIC v1.6.0
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 11
[EWS] MISO: 12
[EWS] SCK: 13
[EWS] SS: 10
[EWS] =========================
[EWS] Board : NUCLEO_L552ZE_Q , setCsPin: 10
[ETG] W5100 init, using SS_PIN_DEFAULT = 10 , new ss_pin =  10 , W5100Class::ss_pin =  10
[ETG] Chip is W5500
[ETG] W5100::init: W5500, SSIZE = 8192
[EWS] =========================
[EWS] Currently Used SPI pinout:
[EWS] MOSI: 11
[EWS] MISO: 12
[EWS] SCK: 13
[EWS] SS: 10
[EWS] =========================
Using mac index = 1
Connected! IP address: 192.168.2.89
[FTP] Connecting to:  192.168.2.241
[FTP] Command connected
[FTP] Send USER =  teensy4x
[FTP] Send PASSWORD =  ftp_test
[FTP] Send CWD
Creating new file helloworld.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result start
[FTP] Result:  150-Connected to port 55600
150 18 bytes to download
226 File successfully transferred
[FTP] Result end
The file content is: Hi, I'm a new file
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send MLSD
[FTP] Result start
[FTP] Result:  150 Accepted data connection to port 55600
226-options: -a -l
226 18 matches total
[FTP] Result end
type=file;modify=20220429231446;size=3810; index1.htm
type=file;modify=19800101000000;size=13; foo.txt
type=file;modify=20190101003904;size=3714; index2.htm
type=file;modify=20220429225004;size=3810; index.htm
type=file;modify=20220409222458;size=10; mydatalog.txt
type=file;modify=20220313201514;size=4116; edit.htm.gz
type=file;modify=20220313201514;size=41214; canadaflag_1.png
type=file;modify=20220313201514;size=8311; canadaflag_2.png
type=file;modify=20220313201514;size=11156; canadaflag_3.jpg
type=file;modify=20190101003834;size=1150; favicon.ico
type=file;modify=20220313201514;size=1971; graphs.js.gz
type=file;modify=20220429225252;size=8311; canadaflag_2_1.png
type=file;modify=20220429225138;size=1547; esp_at_wm_lite.txt
type=file;modify=20190101002054;size=18; helloworld.txt
type=dir;modify=20190101000020;size=0; mynewdir
type=dir;modify=20190101001150;size=0; my_new_dir
type=file;modify=20190101001412;size=51695; octocat.jpg
type=file;modify=20190101001414;size=11; hello_world.txt
File size is: 18
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result start
[FTP] Result:  150-Connected to port 55600
150 18 bytes to download
226 File successfully transferred
[FTP] Result end
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send MKD
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Send CWD
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Send STOR
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Writing
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Close File
CloseConnection
[FTP] Connection closed

6. FTPClient_DownloadFile_STM32_LAN8742A on NUCLEO_F767ZI with LAN8742A Ethernet

The following is debug terminal output when running example FTPClient_DownloadFile_STM32_LAN8742A on NUCLEO_F767ZI with LAN8742A Ethernet & STM32Ethernet Library

Starting FTPClient_DownloadFile_STM32_LAN8742A on NUCLEO_F767ZI with LAN8742A Ethernet & STM32Ethernet Library
FTPCLIENT_GENERIC v1.6.0
EthernetWebServer_STM32 v1.5.0
Connected! IP address: 192.168.2.124
[FTP] Connecting to:  192.168.2.241
[FTP] Command connected
[FTP] Send USER =  teensy4x
[FTP] Send PASSWORD =  ftp_test
[FTP] Send CWD
Creating new file helloworld.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result start
[FTP] Result:  150-Connected to port 55600
150 18 bytes to download
226 File successfully transferred
[FTP] Result end
The file content is: Hi, I'm a new file
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send MLSD
[FTP] Result start
[FTP] Result:  150 Accepted data connection to port 55600
226-options: -a -l
226 18 matches total
[FTP] Result end
type=file;modify=20220429231446;size=3810; index1.htm
type=file;modify=19800101000000;size=13; foo.txt
type=file;modify=20190101003904;size=3714; index2.htm
type=file;modify=20220429225004;size=3810; index.htm
type=file;modify=20220409222458;size=10; mydatalog.txt
type=file;modify=20220313201514;size=4116; edit.htm.gz
type=file;modify=20220313201514;size=41214; canadaflag_1.png
type=file;modify=20220313201514;size=8311; canadaflag_2.png
type=file;modify=20220313201514;size=11156; canadaflag_3.jpg
type=file;modify=20190101003834;size=1150; favicon.ico
type=file;modify=20220313201514;size=1971; graphs.js.gz
type=file;modify=20220429225252;size=8311; canadaflag_2_1.png
type=file;modify=20220429225138;size=1547; esp_at_wm_lite.txt
type=file;modify=20190101002054;size=18; helloworld.txt
type=dir;modify=20190101000020;size=0; mynewdir
type=dir;modify=20190101001150;size=0; my_new_dir
type=file;modify=20190101001412;size=51695; octocat.jpg
type=file;modify=20190101001414;size=11; hello_world.txt
File size is: 18
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result start
[FTP] Result:  150-Connected to port 55600
150 18 bytes to download
226-File successfully transferred
226 1 ms, 18 kbytes/s
[FTP] Result end
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send MKD
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Send CWD
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Send STOR
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Writing
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Close File
CloseConnection
[FTP] Connection closed

7. FTPClient_DownloadFile on ITSYBITSY_M4 with W5x00 using Ethernet_Generic Library

The following is debug terminal output when running example FTPClient_DownloadFile on SAMD51 ITSYBITSY_M4 with W5x00 using Ethernet_Generic Library on SPI0/SPI

Starting FTPClient_DownloadFile on ITSYBITSY_M4 with W5x00 using Ethernet_Generic Library on SPI0/SPI
FTPCLIENT_GENERIC v1.6.0
[EWS] =========== USE_ETHERNET_GENERIC ===========
[EWS] Default SPI pinout:
[EWS] MOSI: 25
[EWS] MISO: 23
[EWS] SCK: 24
[EWS] SS: 16
[EWS] =========================
[EWS] Board : ITSYBITSY_M4 , setCsPin: 10
[ETG] W5100 init, using SS_PIN_DEFAULT = 10 , new ss_pin =  10 , W5100Class::ss_pin =  10
[ETG] Chip is W5500
[ETG] W5100::init: W5500, SSIZE = 8192
[EWS] =========================
[EWS] Currently Used SPI pinout:
[EWS] MOSI: 25
[EWS] MISO: 23
[EWS] SCK: 24
[EWS] SS: 16
[EWS] =========================
Using mac index = 1
Connected! IP address: 192.168.2.89
[FTP] Connecting to:  192.168.2.241
[FTP] Command connected
[FTP] Send USER =  teensy4x
[FTP] Send PASSWORD =  ftp_test
[FTP] Send CWD
Creating new file helloworld.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result start
[FTP] Result:  150-Connected to port 55600
150 18 bytes to download
226 File successfully transferred
[FTP] Result end
The file content is: Hi, I'm a new file
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send MLSD
[FTP] Result start
[FTP] Result:  150 Accepted data connection to port 55600
226-options: -a -l
226 18 matches total
[FTP] Result end
type=file;modify=20220429231446;size=3810; index1.htm
type=file;modify=19800101000000;size=13; foo.txt
type=file;modify=20190101003904;size=3714; index2.htm
type=file;modify=20220429225004;size=3810; index.htm
type=file;modify=20220409222458;size=10; mydatalog.txt
type=file;modify=20220313201514;size=4116; edit.htm.gz
type=file;modify=20220313201514;size=41214; canadaflag_1.png
type=file;modify=20220313201514;size=8311; canadaflag_2.png
type=file;modify=20220313201514;size=11156; canadaflag_3.jpg
type=file;modify=20190101003834;size=1150; favicon.ico
type=file;modify=20220313201514;size=1971; graphs.js.gz
type=file;modify=20220429225252;size=8311; canadaflag_2_1.png
type=file;modify=20220429225138;size=1547; esp_at_wm_lite.txt
type=file;modify=20190101002054;size=18; helloworld.txt
type=dir;modify=20190101000020;size=0; mynewdir
type=dir;modify=20190101001150;size=0; my_new_dir
type=file;modify=20190101001412;size=51695; octocat.jpg
type=file;modify=20190101001414;size=11; hello_world.txt
File size is: 18
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result start
[FTP] Result:  150-Connected to port 55600
150 18 bytes to download
226 File successfully transferred
[FTP] Result end
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send MKD
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Send CWD
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Send STOR
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Writing
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Close File
CloseConnection
[FTP] Connection closed

8. FTPClient_UploadImage on NRF52840_FEATHER with W5x00 using Ethernet_Generic Library

The following is debug terminal output when running example FTPClient_DownloadFile on NRF52840_FEATHER with W5x00 using Ethernet_Generic Library on SPI0/SPI

Starting FTPClient_UploadImage on NRF52840_FEATHER with W5x00 using Ethernet_Generic Library on SPI0/SPI
FTPCLIENT_GENERIC v1.6.0
[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
[ETG] W5100 init, using SS_PIN_DEFAULT = 10 , new ss_pin =  10 , W5100Class::ss_pin =  10
[ETG] Chip is W5500
[ETG] W5100::init: W5500, SSIZE = 8192
[EWS] =========================
[EWS] Currently Used SPI pinout:
[EWS] MOSI: 25
[EWS] MISO: 24
[EWS] SCK: 26
[EWS] SS: 5
[EWS] =========================
Using mac index = 1
Connected! IP address: 192.168.2.89
[FTP] Connecting to:  192.168.2.241
[FTP] Command connected
[FTP] Send USER =  teensy4x
[FTP] Send PASSWORD =  ftp_test
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send CWD
[FTP] Send MLSD
[FTP] Result start
[FTP] Result:  150 Accepted data connection to port 55600
226-options: -a -l
226 18 matches total
[FTP] Result end
Directory info: 
type=file;modify=20220429231446;size=3810; index1.htm
type=file;modify=19800101000000;size=13; foo.txt
type=file;modify=20190101003904;size=3714; index2.htm
type=file;modify=20220429225004;size=3810; index.htm
type=file;modify=20220409222458;size=10; mydatalog.txt
type=file;modify=20220313201514;size=4116; edit.htm.gz
type=file;modify=20220313201514;size=41214; canadaflag_1.png
type=file;modify=20220313201514;size=8311; canadaflag_2.png
type=file;modify=20220313201514;size=11156; canadaflag_3.jpg
type=file;modify=20190101003834;size=1150; favicon.ico
type=file;modify=20220313201514;size=1971; graphs.js.gz
type=file;modify=20220429225252;size=8311; canadaflag_2_1.png
type=file;modify=20220429225138;size=1547; esp_at_wm_lite.txt
type=file;modify=20190101002054;size=18; helloworld.txt
type=dir;modify=20190101000020;size=0; mynewdir
type=dir;modify=20190101001150;size=0; my_new_dir
type=file;modify=20190101001412;size=51695; octocat.jpg
type=file;modify=20190101001414;size=11; hello_world.txt
Writing octocat.jpg
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send STOR
[FTP] Writing
[FTP] Close File
Writing hello_world.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Connection closed

9. FTPClient_DownloadFile on SAMD_NANO_33_IOT with WiFiNINA using WiFiNINA_Generic Library

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

Starting FTPClient_DownloadFile on SAMD_NANO_33_IOT with WiFiNINA using WiFiNINA_Generic Library
FTPCLIENT_GENERIC v1.6.0
Connecting WiFi
IP address: 192.168.2.118
[FTP] Connecting to:  192.168.2.241
[FTP] Command connected
[FTP] Send USER =  teensy4x
[FTP] Send PASSWORD =  ftp_test
[FTP] Send CWD
Creating new file helloworld.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result start
[FTP] Result:  150-Connected to port 55600
150 18 bytes to download
226 File successfully transferred
[FTP] Result end
The file content is: Hi, I'm a new file
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send MLSD
[FTP] Result start
[FTP] Result:  150 Accepted data connection to port 55600
226-options: -a -l
226 18 matches total
[FTP] Result end
type=file;modify=20220429231446;size=3810; index1.htm
type=file;modify=19800101000000;size=13; foo.txt
type=file;modify=20190101003904;size=3714; index2.htm
type=file;modify=20220429225004;size=3810; index.htm
type=file;modify=20220409222458;size=10; mydatalog.txt
type=file;modify=20220313201514;size=4116; edit.htm.gz
type=file;modify=20220313201514;size=41214; canadaflag_1.png
type=file;modify=20220313201514;size=8311; canadaflag_2.png
type=file;modify=20220313201514;size=11156; canadaflag_3.jpg
type=file;modify=20190101003834;size=1150; favicon.ico
type=file;modify=20220313201514;size=1971; graphs.js.gz
type=file;modify=20220429225252;size=8311; canadaflag_2_1.png
type=file;modify=20220429225138;size=1547; esp_at_wm_lite.txt
type=file;modify=20190101002054;size=18; helloworld.txt
type=dir;modify=20190101000020;size=0; mynewdir
type=dir;modify=20190101001150;size=0; my_new_dir
type=file;modify=20190101001412;size=51695; octocat.jpg
type=file;modify=20190101001414;size=11; hello_world.txt
File size is: 18
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result start
[FTP] Result:  150-Connected to port 55600
150 18 bytes to download
226-File successfully transferred
226 1 ms, 18 kbytes/s
[FTP] Result end
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send MKD
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Send CWD
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Send STOR
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Writing
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Close File
CloseConnection
[FTP] Connection closed

10. FTPClient_DownloadFile on ESP32S3_DEV with ESP WiFi using WiFi Library

The following is debug terminal output when running example FTPClient_DownloadFile on ESP32S3_DEV with ESP WiFi using WiFi Library

Starting FTPClient_DownloadFile on ESP32S3_DEV with ESP WiFi using WiFi Library
FTPCLIENT_GENERIC v1.6.0
Connecting WiFi
.........
IP address: 192.168.2.115
Max Free Heap: 270324
[FTP] Connecting to:  192.168.2.241
[FTP] Command connected
[FTP] Send USER =  teensy4x
[FTP] Send PASSWORD =  ftp_test
[FTP] Send CWD
Creating new file helloworld.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result start
[FTP] Result:  150-Connected to port 55600
150 18 bytes to download
226 File successfully transferred
[FTP] Result end
The file content is: Hi, I'm a new file
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send MLSD
[FTP] Result start
[FTP] Result:  150 Accepted data connection to port 55600
226-options: -a -l
226 18 matches total
[FTP] Result end
type=file;modify=20220429231446;size=3810; index1.htm
type=file;modify=19800101000000;size=13; foo.txt
type=file;modify=20190101003904;size=3714; index2.htm
type=file;modify=20220429225004;size=3810; index.htm
type=file;modify=20220409222458;size=10; mydatalog.txt
type=file;modify=20220313201514;size=4116; edit.htm.gz
type=file;modify=20220313201514;size=41214; canadaflag_1.png
type=file;modify=20220313201514;size=8311; canadaflag_2.png
type=file;modify=20220313201514;size=11156; canadaflag_3.jpg
type=file;modify=20190101003834;size=1150; favicon.ico
type=file;modify=20220313201514;size=1971; graphs.js.gz
type=file;modify=20220429225252;size=8311; canadaflag_2_1.png
type=file;modify=20220429225138;size=1547; esp_at_wm_lite.txt
type=file;modify=20190101002054;size=18; helloworld.txt
type=dir;modify=20190101000020;size=0; mynewdir
type=dir;modify=20190101001150;size=0; my_new_dir
type=file;modify=20190101001412;size=51695; octocat.jpg
type=file;modify=20190101001414;size=11; hello_world.txt
File size is: 18
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result start
[FTP] Result:  150-Connected to port 55600
150 18 bytes to download
226-File successfully transferred
226 1 ms, 18 kbytes/s
[FTP] Result end
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (4043483328, port 55600)
[FTP] _dataAddress:  192.168.2.241 , Data port:  55600
[FTP] Data connection established
[FTP] Send MKD
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Send CWD
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Send STOR
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Writing
[FTP] FTP error:  521 "myNewDir" directory already exists
[FTP] Close File
CloseConnection
[FTP] Connection closed

11. FTPClient_UploadImage on TEENSY 4.1 with NativeEthernet

The following is debug terminal output when running example FTPClient_UploadImage on TEENSY 4.1 with using NativeEthernet, connecting to vsftpd server

Starting FTPClient_UploadImage on TEENSY 4.1 with NativeEthernet
FTPCLIENT_GENERIC v1.6.0
[EWS] ======== USE_NATIVE_ETHERNET ========
[EWS] =====================================
Using mac index = 6
Connected! IP address: 192.168.2.105
[FTP] Connecting to:  192.168.2.112
[FTP] Command connected
[FTP] Send USER =  ftp_test
[FTP] Send PASSWORD =  ftp_test
[FTP] Send CWD
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,156,132).

[FTP] Data port:  40068
[FTP] _dataAddress:  192.168.2.112 , Data port:  40068
[FTP] Data connection established
[FTP] Send LIST
[FTP] Result:  150 Here comes the directory listing.
NewDir
hello_world.txt
helloworld.txt
octocat.jpg
Writing octocat.jpg, size = 51695
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 226 Directory send OK.
227 Entering Passive Mode (192,168,2,112,27,30).
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,122,216).
[FTP] Data port:  31448
[FTP] _dataAddress:  192.168.2.112 , Data port:  31448
[FTP] Data connection established
[FTP] Send STOR
[FTP] Writing
[FTP] WriteData: datalen =  51695
[FTP] Close File
Writing hello_world.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,151,205).
[FTP] Data port:  38861
[FTP] _dataAddress:  192.168.2.112 , Data port:  38861
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Connection closed

12. FTPClient_UploadImage on TEENSY 4.1 with QNEthernet

The following is debug terminal output and directory listing after running example FTPClient_UploadImage on TEENSY 4.1 with using QNEthernet, connecting to vsftpd server

Starting FTPClient_UploadImage on TEENSY 4.1 with QNEthernet
FTPCLIENT_GENERIC v1.6.0
[EWS] =========== USE_QN_ETHERNET ===========
Initialize Ethernet using static IP => IP Address = 192.168.2.222
[FTP] Connecting to:  192.168.2.112
[FTP] Command connected
[FTP] Send USER =  ftp_test
[FTP] Send PASSWORD =  ftp_test
[FTP] Send CWD
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,203,166).

[FTP] Data port:  52134
[FTP] _dataAddress:  192.168.2.112 , Data port:  52134
[FTP] Data connection established
[FTP] Send LIST
[FTP] Result:  150 Here comes the directory listing.
226 Directory send OK.
NewDir
hello_world.txt
helloworld.txt
Writing octocat.jpg, size = 51695
[FTP] Send TYPE Type I
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,215,146).
[FTP] Data port:  55186
[FTP] _dataAddress:  192.168.2.112 , Data port:  55186
[FTP] Data connection established
[FTP] Send STOR
[FTP] Writing
[FTP] WriteData: datalen =  51695
[FTP] Close File
Writing hello_world.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,127,205).
[FTP] Data port:  32717
[FTP] _dataAddress:  192.168.2.112 , Data port:  32717
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Connection closed
  • Directory listing
pi@raspberrypi-02:/home/ftp_test $ ls -la
total 84
drwxrwxrwx 3 ftp_test ftp_test  4096 May 16 21:26 .
drwxr-xr-x 4 root     root      4096 May 14 16:55 ..
-rw-r--r-- 1 ftp_test ftp_test   220 May 14 16:55 .bash_logout
-rw-r--r-- 1 ftp_test ftp_test  3523 May 14 16:55 .bashrc
-rwxrwxrwx 1 ftp_test ftp_test    11 May 16 21:26 hello_world.txt
-rwxrwxrwx 1 ftp_test ftp_test    75 May 16 20:29 helloworld.txt
drwx------ 2 ftp_test ftp_test  4096 May 16 20:19 NewDir
-rw------- 1 ftp_test ftp_test 51695 May 16 21:26 octocat.jpg
-rw-r--r-- 1 ftp_test ftp_test   807 May 14 16:55 .profile

13. FTPClient_DownloadFile on ESP32_DEV with W5x00 using Ethernet_Generic Library

The following is debug terminal output when running example FTPClient_DownloadFile on ESP32_DEV with W5x00 using Ethernet_Generic Library on SPI0/SPI

Starting FTPClient_DownloadFile on ESP32_DEV with W5x00 using Ethernet_Generic Library on SPI0/SPI
FTPCLIENT_GENERIC v1.6.0
[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 W5500
[ETG] W5100::init: W5500, SSIZE = 8192
[EWS] =========================
[EWS] Currently Used SPI pinout:
[EWS] MOSI: 23
[EWS] MISO: 19
[EWS] SCK: 18
[EWS] SS: 5
[EWS] =========================
Using mac index = 0
Connected! IP address: 192.168.2.109
Max Free Heap: 116724
[FTP] Connecting to:  192.168.2.112
[FTP] Command connected
[FTP] Send USER =  ftp_test
[FTP] Send PASSWORD =  ftp_test
[FTP] Send CWD
Creating new file helloworld.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,97,137).
[FTP] Data port:  24969
[FTP] _dataAddress:  192.168.2.112 , Data port:  24969
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,127,110).
[FTP] Data port:  32622
[FTP] _dataAddress:  192.168.2.112 , Data port:  32622
[FTP] Data connection established
[FTP] Send APPE
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,25,113).
[FTP] Data port:  6513
[FTP] _dataAddress:  192.168.2.112 , Data port:  6513
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result:  150 Opening ASCII mode data connection for helloworld.txt (75 bytes).
226 Transfer complete.
The file content is: Hi, I'm a new ASCII file created @ millis = 2090
Added text @ millis = 2406
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,143,251).
[FTP] Data port:  36859
[FTP] _dataAddress:  192.168.2.112 , Data port:  36859
[FTP] Data connection established
[FTP] Send LIST
[FTP] Result:  150 Here comes the directory listing.
226 Directory send OK.
hello_world.txt
helloworld.txt
octocat.jpg
CloseConnection
[FTP] Connection closed

14. FTPClient_DownloadFile on RASPBERRY_PI_PICO_W with RP2040W CYW43439 WiFi

The following is debug terminal output when running example FTPClient_DownloadFile on RASPBERRY_PI_PICO_W with CYW43439 WiFi using arduino-pico core

Starting FTPClient_DownloadFile on RASPBERRY_PI_PICO_W with RP2040W CYW43439 WiFi
FTPCLIENT_GENERIC v1.6.0
Connecting WiFi, SSID = HueNet
IP address: 192.168.2.128
[FTP] Connecting to:  192.168.2.112
[FTP] Command connected
[FTP] Send USER =  ftp_test
[FTP] Send PASSWORD =  ftp_test
[FTP] Send CWD
Creating new file helloworld.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,151,205).
[FTP] Data port:  38861
[FTP] _dataAddress:  192.168.2.112 , Data port:  38861
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,230,216).
[FTP] Data port:  59096
[FTP] _dataAddress:  192.168.2.112 , Data port:  59096
[FTP] Data connection established
[FTP] Send APPE
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,97,129).
[FTP] Data port:  24961
[FTP] _dataAddress:  192.168.2.112 , Data port:  24961
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result:  150 Opening ASCII mode data connection for helloworld.txt (75 bytes).
226 Transfer complete.
The file content is: Hi, I'm a new ASCII file created @ millis = 9205
Added text @ millis = 9755
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,215,148).
[FTP] Data port:  55188
[FTP] _dataAddress:  192.168.2.112 , Data port:  55188
[FTP] Data connection established
[FTP] Send LIST
[FTP] Result:  150 Here comes the directory listing.
226 Directory send OK.
hello_world.txt
helloworld.txt
octocat.jpg
CloseConnection
[FTP] Connection closed

15. FTPClient_DownloadFile on ESP32_DEV with W5x00/W6100 using Ethernet_Generic Library

The following is debug terminal output when running example FTPClient_DownloadFile on ESP32_DEV with W6100 using Ethernet_Generic

Starting FTPClient_DownloadFile on ESP32_DEV with W5x00/W6100 using Ethernet_Generic Library on SPI0/SPI
FTPCLIENT_GENERIC v1.6.0
[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 = 18
Connected! IP address: 192.168.2.77
Max Free Heap: 110580
[FTP] Connecting to:  192.168.2.112
[FTP] Command connected
[FTP] Send USER =  ftp_test
[FTP] Send PASSWORD =  ftp_test
[FTP] Send CWD
Creating new file helloworld.txt
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,197,251).
[FTP] Data port:  50683
[FTP] _dataAddress:  192.168.2.112 , Data port:  50683
[FTP] Data connection established
[FTP] Send STOR
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,93,240).
[FTP] Data port:  24048
[FTP] _dataAddress:  192.168.2.112 , Data port:  24048
[FTP] Data connection established
[FTP] Send APPE
[FTP] Write File
[FTP] Close File
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,43,142).
[FTP] Data port:  11150
[FTP] _dataAddress:  192.168.2.112 , Data port:  11150
[FTP] Data connection established
[FTP] Send RETR
[FTP] Result:  150 Opening ASCII mode data connection for helloworld.txt (75 bytes).
226 Transfer complete.
The file content is: Hi, I'm a new ASCII file created @ millis = 6112
Added text @ millis = 6429
[FTP] Send TYPE Type A
[FTP] Send PASV
[FTP] outBuf = 227 Entering Passive Mode (192,168,2,112,72,197).
[FTP] Data port:  18629
[FTP] _dataAddress:  192.168.2.112 , Data port:  18629
[FTP] Data connection established
[FTP] Send LIST
[FTP] Result:  150 Here comes the directory listing.
226 Directory send OK.
hello_world.txt
helloworld.txt
octocat.jpg
CloseConnection
[FTP] Connection closed


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
#define _FTP_LOGLEVEL_                      1

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: FTPClient_Generic issues


TO DO

  1. Bug Searching and Killing
  2. Support more types of boards using Ethernet / WiFi shields
  3. Support more types ofFTP commands

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 Ethernet_Generic library library
  7. Add support to Ethernet ENC28J60, using UIPEthernet library
  8. Add support to ESP32 and ESP8266 using WiFi or Ethernet
  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 RP2040-based boards such as RASPBERRY_PI_PICO, using Arduino-mbed RP2040 core
  12. Add support to RP2040-based boards such as RASPBERRY_PI_PICO, using Earle Philhower's arduino-pico core
  13. Add support to Teensy 4.1 built-in Ethernet using NativeEthernet library. From v1.1.0
  14. Add support to Teensy 4.1 built-in Ethernet using QNEthernet library. From v1.1.0
  15. Add support to Portenta_H7 boards, using Arduino-mbed mbed_portenta core.
  16. Add support to SAMD21/SAMD51 boards using Fab_SAM_Arduino core
  17. Use new Ethernet_Generic library as default for W5x00.
  18. Support SPI2 for ESP32
  19. Add support to SPI1 for RP2040 using arduino-pico core
  20. Add example multiFileProject to demo how to avoid multiple-definitions linker error for multiple-file project
  21. Add support to SPI1, SPI2 for Teensy using W5x00 with Ethernet_Generic library
  22. Add support to custom SPI for Mbed RP2040, Portenta-H7, etc. using W5x00 with Ethernet_Generic library
  23. Add support to all STM32F/L/H/G/WB/MP1.
  24. Add support to WiFiNINA using WiFiNINA_Generic library.
  25. Add support to WiFi101 library
  26. Add support to new ESP32-S2, ESP32-S3 and ESP32_C3
  27. Add support to other new FTP Servers, such as vsftpd in Linux, Ubuntu, Rasbberry Pi, etc.
  28. Auto detect server response type in PASV mode
  29. Fix uploading issue of large files for WiFi, QNEthernet
  30. Add support to ESP32 using Ethernet W5x00 or ENC28J60 with Ethernet_Generic or EthernetENC library
  31. Add astyle using allman style. Restyle the library
  32. Add support to RP2040W with CYW43439 WiFi using arduino-pico core
  33. Add support to WIZNet W6100 using Ethernet_Generic library


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 Leonardo Bispo's ESP32_FTPClient
  2. Thanks to KvarTechnologies to report issue unable to compile to DOIT esp32 DEV KIT #4 leading to the new version v1.4.0 to add support to ESP32 using Ethernet W5x00 or ENC28J60
  3. Thanks to Mirko to make PR Update FTPClient_Generic_Impl.h #7
ldab
⭐️ Leonardo Bispo

KvarTechnologies
KvarTechnologies

MirkoAusFFM
Mirko


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

  1. Copyright (C) 2019- Leonardo Bispo
  2. Copyright (C) 2022- Khoi Hoang

About

FTP Client for Generic boards such as AVR Mega, megaAVR, Portenta_H7, Teensy, SAM DUE, SAMD21, SAMD51, STM32F/L/H/G/WB/MP1, nRF52, RP2040-based (Nano-RP2040-Connect, RASPBERRY_PI_PICO, ESP32/ESP8266, etc.). FTP Client can use WiFi (ESP_WiFi, Portenta_H7 WiFi, WiFiNINA, WiFi101, U-Blox W101, W102, ESP8266/ESP32-AT), Ethernet W6100, W5100S, W5200,,..

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