About Antony1

Antony1 · 2021-02-20

Hello, guys.I need to improve one old project. There is no free pins on MCU left, except PC13-PC15 and I need three external interrupts. Code with initialization for making PC13-PC15 as inputs lower. I do not use LSE or RTC anyway.For PC13 all works ...

Antony1 · 2021-02-21

Thanks for reply, MM..1. There were no mistakes in init code, it was an error in my debugger code. IRQ was never fire more then once on each pulse. Initialization code above is correct. Thanks for your time.

Antony1 · 2021-02-21

Thanks for reply, Jan. The problem is solved - there was no problame at all, like always it was "human error". It's just I made a mistake in my debugger code, that showed not existing problem. So, EXTI_IRQ was never fire more then once on each pulse ...

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External interrupts on PC14 and PC15 of STM32F103C8T6.

Re: External interrupts on PC14 and PC15 of STM32F103C8T6.

Re: External interrupts on PC14 and PC15 of STM32F103C8T6.