modbus tcp port
Ah Ah yes this I have done allready, sourceforge also !
I could find only modbus RTU which is not modbus tcp, there is a modbus tcp like example on github but it is commented in chineese.So this is reason why I am asking the people here.Because I hope someone allready ported or developped a modbus tcp or a modbus tcp running on lwIP or native stm32f4 API code (like bare metal c code)
So yes I went on github and doing the proprer research would give -> Github
Then this unique modbus tcp port is based on uIP which is just another lightweight ethernet stack but not lwIP stack
So it looks like you have read my request too fast.
Thank you though for your help 
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