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by leoP4
Wed Aug 07, 2019 1:43 pm
Forum: Device Tree
Topic: Pi-4 Activating additional UART ports
Replies: 38
Views: 10192

Re: Pi-4 Activating additional UART ports

I was referring to the script mentioned above, that is #! / bin / sh
by leoP4
Wed Aug 07, 2019 1:31 pm
Forum: Device Tree
Topic: Pi-4 Activating additional UART ports
Replies: 38
Views: 10192

Re: Pi-4 Activating additional UART ports

Hi everyone

I'm interested in the topic, but how to use the script? I can't understand the passage.
Sorry for the trivial question.
by leoP4
Wed Aug 07, 2019 12:44 pm
Forum: Advanced users
Topic: Pi4 set serial ports UART
Replies: 6
Views: 730

Re: Pi4 set serial ports UART

I was reading the same post but as I said before when I open minicom I can't type anything!
by leoP4
Wed Aug 07, 2019 11:21 am
Forum: Advanced users
Topic: Pi4 set serial ports UART
Replies: 6
Views: 730

Re: Pi4 set serial ports UART

Thanks for the reply

I did what you told me but when you open the minicom screen I can't type anything. But when the serial ports are activated, are the GPIOs of a serial port immediately active to transmit and receive?
by leoP4
Tue Aug 06, 2019 3:00 am
Forum: Advanced users
Topic: Pi4 set serial ports UART
Replies: 6
Views: 730

Re: Pi4 set serial ports UART

but after I create the serial ports do I have to set any gpio?

I created the other serial ports but it doesn't change anything. I begin to think that the fault lies with the logic level converter.
by leoP4
Mon Aug 05, 2019 7:25 pm
Forum: Advanced users
Topic: Pi4 set serial ports UART
Replies: 6
Views: 730

Pi4 set serial ports UART

Hi everyone I have a problem with the serial ports on the Raspberry Pi4. I created a graphical interface on Processing that uses multiple serial ports simultaneously, sending commands to Arduino Mega. The serial ports I want to use are those on the GPIOs. I read how to create an additional serial po...

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