RPI Pico STDIO (C/C++) UART

Visit PCBWay, the sponsor of this Video: www.pcbway.com/
The Raspberry PI Pico, Pico-W and any RP2040 board using the Pico SDK can put STDIO over USB or UART. This is a simple change to the CMake file.
Did you know you can also select which GPIO PAD is used for this. So you are not limited to STDIO over `GPIO 0 and GPIO 1.
An example showing this is at: github.com/jon.... Or check out my blog on this at drjonea.co.uk/....
Sponsor: PCBWay: www.pcbway.com/
PCB prototyping, assembly, 3D printing, CNC, sheet metal fabrication and injection moulding.

[@kahlilpollack-hinds8458]

Is it possible to have both uart and usb active? Like if I wanted to read something in from RX and then print it over usb is that possible?

[@DrJonEA]

Absolutely. That is not much different from what I am doing using USB to run MicroROS while using Uart for telematry.

[@muhammadhaziq1255]

When I use stdio over usb and UART0 driver pin other then default pins for stdio to read data from sensors, serial monitor does not prints anything.

[@DrJonEA]

Serial monitor, does that mean you are using Arduino library? I have only focused on the Pico SDK but not had an issue using both UARTS and on different pins.

[@muhammadhaziq1255]

@@DrJonEA I'm using pico c/c++ SDK

[@DrJonEA]

Me too. I talk through some of this a bit more in my blog: drjonea.co.uk/2023/04/05/rp2040-stdio-over-uart-non-default-gpio/. Hope that helps.