PCNT (Pulse Counter) example (arduino ide)

[Nikita71]

Hi. I need to count high frequency pulses. On the internet i found that the esp32 has such a thing as PCNT (Pulse Counter)
even found its description but nowhere can find an example that could ideally output the number of pulses per second in compor. Please help )

[smah80]

Hi,
I am also looking for a similar solution where I can count pulses for quadrature encoder running on 1500RPM.
I also found some code and look at the description on ESP-IDF of PCNT, but not able to understand how to connect my A,B,Z pulses encoder with it.

Also feel difficult to understand tasks. is there any good tutorial with example? or at-least a simple example of using quadrature encoder.

any help will be highly appreciated.

Thanks

[smah80]

Any help in this regard?

[tommeyers]

I googled: "esp32 pulse count"

This looks promising: https://docs.espressif.com/projects/esp ... /pcnt.html

What did you look for?

Tom

[smah80]

Yes I looked at it, but I am not able to understand it properly.

could you please provide a sample program for arduino ide in which I can connect a encoder using PCNT along with hardware pin schematic?

[tommeyers]

https://github.com/espressif/esp-idf/tr ... ry_encoder