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STM32F107+Ethernet+Lwip no longer an option?

Raymond Buck
Senior

STM32CubeIDE Version 1.19.0
Build: 25607_20250703_0907

I created a project using the STM32F107 and Ethernet. Everything was setup using the .ioc template with Ethernet and various GPIO stuff. Lwip was not included. I generated the code and all of the Ethernet configuration was created. Compiling the code worked with no errors.

I have not connected my board and tried to program it as I just wanted to see if CubeIDE would generate the code properly for the STM32F107 part.

I then re-opened the .ioc file and enabled Lwip since that was my goal. Now when I generate the code, it removes all of the Ethernet setup code. This means none of the Ethernet RMII pin mapping is in place and none of the Ethernet files are in the project.

Is the STM32F107 no longer supported for Ethernet+Lwip applications? I just need a simple application with 2 buttons to control 2 relays. An STM32F7xx is overkill.

I think I remember reading somewhere a couple of years ago that ST was no longer going to support Ethernet for STM32F1 and STM32F4 parts. Is that the case?

I was using CubeIDE for code generation. It also appears that CubeMX no longer works for the STM32F107 part.

Suggestions appreciated.

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