Il 30/12/2020 19:02, Deloptes ha scritto:
> RobertoA wrote:
>
>> The Raspberry4 board has 6 native uart
>> I'm not talking about serial ports via usb but uart on the gpio
>> connector of the Raspberry board
>> Having to control devices via uart (for example gps receivers,
>> electronic scales, etc.) it would be useful to create a device that,
>> communicating with the control computer via ethernet, would allow the
>> computer to 'see' the virtual com ports, corresponding to the uart of
>> the card Raspberry
>> So it will be necessary to program the Raspberry so that it has a tcp /
>> ip server inside, which will pass the information to the uart ports
>> On the computer side it will be necessary to install programs to
>> 'virtualize' the com port and connect it to the tcp / ip server on the
>> Raspberry
>> How to proceed?
>
> I built one Rs323 to RS232 adapter during the first lock down this year. I
> had this project on my todo list since 3-4years already. I connect it to
> the GPIO pins and have a serial console, where I can see exactly
> everything. It works great. It helped me debug and setup the TFTP boot. But
> of course you can also buy a ready to use one. Pay attention on the chipset
> and manufacturer. There is tons of fake and buggy crap out there. There are
> also Serial to IPv4 converters, so that you can access your serial port via
> internet. AFAIR they are RS232 (12V) so perhaps a TTL level shifter
> (323-232) and a Serial to IPv4 is what you are looking for.
> I am not aware of any additional software (besides setting up the serial
> port on the RPI4)
>

The description seems to be what I need
How do you get it?

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