Flowcode Support Board

LeighM wrote: ↑

Wed Jun 11, 2025 1:48 pm

I suspect there might already be examples on this or the old forum.
Just some other points...

Presumably you have proved that the hardware is working? Perhaps adding a led flash in the main loop.
Are you using your own hardware design, or a development board?

You have a pull up (or down) resistor on the switched input?

I would also suggest that you keep the interrupt code as short as possible, e.g. just set a flag and then test for it in the main loop and do your printing there

I couldn't even achieve the EXTI Interrupt software simulation in the Debug - Run mode.

LeighM wrote: ↑

Wed Jun 11, 2025 1:48 pm

I suspect there might already be examples on this or the old forum.
Just some other points...

Presumably you have proved that the hardware is working? Perhaps adding a led flash in the main loop.
Are you using your own hardware design, or a development board?

You have a pull up (or down) resistor on the switched input?

I would also suggest that you keep the interrupt code as short as possible, e.g. just set a flag and then test for it in the main loop and do your printing there

To be clear, only STM32F411CEU6 I have downloaded it to a standard development board(Still failed), for the others, I only tested it in the Debug-Run mode. the program will never goes into EXTI macro even when I set the EXTI active button always on and Step into it.

As you mentioned,I changed the program to use a flg in the EXTI Interrupt Macro and an LED on the main loop.
I have tried 4 boards : ESP32(OK),PIC(OK),PICO(NG),STM32(NG). 2 success and 2 failed. The program are all same except the Interrupt pin.
If some want to check, please see below attachment.

I think Flowcode developers should pay attention to this issue.
Or prove me stupid. I still think this is a good example for Flowcode beginners, and I believe there will be people who encounter the same problem as me.

BR, Deqiang

Thanks for the further info.
I'm not sure what support there is for interrupts in simulation mode - one for the Matrix team.
I should be able to find some time next week to provide an EXTI example on STM32F411 hardware