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I am using RP2040 with Arduino MBED core. I tried "UDPSendReceive" example but SPI pins is wrong. How can I set the pins as SCK: GPIO2, MOSI: GPIO3, MISO: GPIO4, SS/CS: GPIO5.

Start UDPSendReceive on MBED RASPBERRY_PI_PICO with W5x00 using Ethernet_Generic Library with Large Buffer
Ethernet_Generic v2.3.1
[ETG] Default SPI pinout:
[ETG] MOSI: 19
[ETG] MISO: 16
[ETG] SCK: 18
[ETG] SS: 17
[ETG] =========================
[ETG] RPIPICO setCsPin: 17
[ETG] W5100 init, using SS_PIN_DEFAULT = 17 , new ss_pin = 10 , W5100Class::ss_ pin = 17
[ETG] W5100::init: no chip :-(
[ETG] Currently Used SPI pinout:
[ETG] MOSI: 19
[ETG] MISO: 16
[ETG] SCK: 18
[ETG] SS: 17
[ETG] =========================
Using mac index = 12
Connected! IP address: 0.0.0.0
Speed: NO LINK, Duplex: NO LINK, Link status: NO LINK

Hi,
I am using ESP32 Dev Module with W5500.I tried Webclient and webserver example but it's not working.

Starting WebServer on ESP32 with W5x00 using Ethernet_Generic Library with Large Buffer
Ethernet_Generic v2.3.1
[ETG] Default SPI pinout:
[ETG] MOSI: 23
[ETG] MISO: 19
[ETG] SCK: 18
[ETG] SS: 5
[ETG] =========================
[ETG] ESP32 setCsPin: 5        
[ETG] W5100 init, using SS_PIN_DEFAULT = 22 , new ss_pin =  10 , W5100Class::ss_pin =  5
[ETG] Chip is W5500
[ETG] W5100::init: W5500, SSIZE = 8192
[ETG] Currently Used SPI pinout:
[ETG] MOSI: 23
[ETG] MISO: 19
[ETG] SCK: 18
[ETG] SS: 5
[ETG] ========================= 
Using mac index = 1
Connected! IP address: 0.0.0.0 
Speed: 100 MB, Duplex: FULL DUPLEX, Link status: LINK

Sometimes It is working properly but sometimes I am getting as above.
I tried with Arduino UNO with W5500.I am getting same problem.
Can you help me to resolve the issue.

Khoi, I see a demand for server.end() and server.begin(port)
arduino-libraries/Ethernet#191

Dear Khoih

I am using the STM32L0 + SX1276 (LoRaWAN WISOL LOM204 MODULE).

I ported the STM32 ARDUINO to it and working nice!

The module uses the SPI, not the SPI1 or SPI2

Now i want to add the WIZNET W500 to SPI1 , did you port the defines to use the SPI1 to WIZNET ?

I spent some hours without success!

My idea is to use the SPI (SX1276) and SPI1 (WIZNET) togetther, btw, add ETHERNET to LOM204

Describe the bug

I am have included Ethernet_Generic.h in my main file for starting a webserver. I also have Ethernet_Generic included in another header file for a Modbus TCP class.

On compiling I get many multiple definition errors such as
c:/users/??????/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld.exe: .pio/build/stm32-5mi/src/modbus/ModbusTCPSlave.cpp.o:(.bss._ZN10W5100Class4chipE+0x0): multiple definition of `W5100Class::chip'; .pio/build/stm32-5mi/src/main.cpp.o:(.bss._ZN10W5100Class4chipE+0x0): first defined here

Any help would be appreciated.

Expected behavior

When using previous Ethernet library, everything compiled as normal. Previous Library

Information

• Latest development STM32 core

I am using your library with Generic RP2040 + W5500, connected to 4G modem, using DHCP.
I am using Arduino IDE version 2.0.3 on Windows 10 Pro 22H2.

To get the connection, I used Ethernet.begin(&MAC);

Everything was going fine until I tested modem problem.
On this tests, I unplug the Ethernet cable, emulating a modem problem, and the begin() never ends.
It's looks like the library does not know what to do when it can't access the DHCP.

To confirm the error, I repeated the operation, but using fixed IP Ethernet.begin(&MAC, &IP);.
It works fine.

I would like to recommend:

1. The begin() returns a Boolean informing it fails or not.
2. The begin() include a timeout or add a new set timeout function for legacy compatibility.

I appreciate your help.

Best regards,

Fernando Camargo
mailto: [email protected]

Error:

Ethernet_Generic/src/EthernetServer_Impl.h:364:81: error: 'ETHERNET_SERVER_SEND_MAX_SIZE' was not declared in this scope

If you don't enable large buffer support, then the ETHERNET_SERVER_SEND_MAX_SIZE constant is not defiend and the code doesn't compile.

EthernetServer_Impl.h:327:

// Don't use larger size or hang, max is 16K for 1 socket
#ifdef ETHERNET_LARGE_BUFFERS
  #if MAX_SOCK_NUM <= 1
    #define ETHERNET_SERVER_SEND_MAX_SIZE         16384
  #elif MAX_SOCK_NUM <= 2
    #define ETHERNET_SERVER_SEND_MAX_SIZE         8192
  #elif MAX_SOCK_NUM <= 4
    #define ETHERNET_SERVER_SEND_MAX_SIZE         4096
  #else
    #define ETHERNET_SERVER_SEND_MAX_SIZE         2048
  #endif
#endif

EthernetServer_Impl.h:364

   written =  Ethernet.socketSend(sockindex, buf, min(bytesRemaining, (size_t) ETHERNET_SERVER_SEND_MAX_SIZE) );

I didn't submit a PR because I'm not sure what the constant should be set to if large buffers is disabled.

I did a small implementation using Generic RP2040 + W5500 to access the NTP servers and the IoT Cloud (AWS) using MQTT.
Why the libraries EthernetWebServer and LittleFS are always included?
Is there someway to not do it?

Best regards,

Fernando Camargo
mailto:[email protected]