Hello world! Any RP2040 users feedback is welcome on this change as
Kevin tired it and reported some issues :-)
Thanks! :-)
Tomek
On Tue, Apr 29, 2025 at 2:24 AM Matteo Golin wrote:
>
> Hello everyone,
>
> In order to solve this issue, I have opened a PR here:
> https://github.com/apache/nuttx/pu
Hello everyone,
In order to solve this issue, I have opened a PR here:
https://github.com/apache/nuttx/pull/16281
This allows multiple GPIO interrupt types to be selected once, since the
RP2040 supports that. Now one GPIO pin can trigger up to 4 interrupt events.
I would appreciate your review!
Hi Matteo,
I think RP2040 and new RP2350 are good MCUs, but Raspberry Pi Foundation
did some terribles mistakes, like using a serial port control that doesn't
have indication of transmission done (useful for RS485 support) and GPIO
INT with both edges support.
When I created the ultrasound sensor
On Mon, Mar 17, 2025 at 5:18 PM Matteo Golin wrote:
> Hello everyone,
>
> I have an application wherein I am using a W5500-EVB Pico as the MCU for a
> network controlled system. I need to connect
> several switch inputs into this MCU. The switches are normally held high
> via the RP2040's interna
Hey Matteo,
It appears the RP2040 can support falling and rising interrupts at once
according to the RP2040 datasheet section 2.19.5.2 "Enable a GPIO
interrupt", which provides an example of how to do this.
Ofcourse this example is not NuttX, but can help for implementation.
https://datasheets.ras
Thank you everyone for the suggestions.
I don't have enough GPIO pins to dedicate two per switch unfortunately, nor
do I have a suitable hardware method for handling debouncing. I suppose
this is taken care of in the button driver framework via software, but not
for the bare GPIO framework. I don'
Hello,
You can do this in software: check the line status if it is low, then you
set the interrupt to rising edge and if it is high you set to falling edge,
any time the interrupt happens, you carefully change to falling or rising
depending on the status.
On Mon, Mar 17, 2025 at 22:18 Matteo Goli
Do you have enough gpio's available to dedicate two pins per switch? If
so, just tie them in pairs, program one of the pair to interrupt high,
the other low.
On 3/17/25 14:18, Matteo Golin wrote:
Hello everyone,
I have an application wherein I am using a W5500-EVB Pico as the MCU for a
netwo
Hello everyone,
I have an application wherein I am using a W5500-EVB Pico as the MCU for a
network controlled system. I need to connect
several switch inputs into this MCU. The switches are normally held high via
the RP2040's internal pullups, and pulled
low when flipped.
The problem I'm encoun
