Hi Felipe, If you are using one of these two UART as serial console (to NSH), then you can see it using the USB Serial/JTAG interface:
https://docs.espressif.com/projects/esp-idf/en/stable/esp32c6/api-guides/usb-serial-jtag-console.html This way you will have two real serials available to your product. BR, Alan On Tue, Jan 14, 2025 at 9:55 PM Felipe Moura Oliveira <moura....@gmail.com> wrote: > *Dear All,* > > I hope this message finds you well. > > I am currently working on a project using the ESP32C6 and find myself in > need of an additional UART, bringing the total to three UARTs. Initially, I > considered implementing a UART using bit-banging; however, after reviewing > the documentation, I discovered that a low power UART option is available, > which seems to suit my requirements. > > At first glance, adding this UART does not appear to be overly complex. > However, I am encountering an issue related to a missing configuration: > > The UART configurations on the ESP require two parameters that I am having > difficulty understanding: > > .txsig = U1TXD_OUT_IDX, > .rxsig = U1RXD_IN_IDX, > > Could someone please explain what these parameters represent? > > Upon examining the gpio_sigmap.h file that references the ESP32C6, I > noticed that there isn't a similar parameter available for use with > the low power UART. How should I proceed in this case? > > Any guidance or assistance you can provide would be greatly appreciated. > > Thank you in advance for your support. > > *Best regards,* > > > -- > *Felipe Moura de Oliveira* > *Universidade Federal de Minas Gerais* > Linkedin <https://www.linkedin.com/in/felipe-oliveira-75a651a0> > <https://twitter.com/FelipeMOliveir?lang=pt-br> >
