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Timer with fixed interrupt period

Arsenii Soitu
 

Hello. I use stm32f429 and Zephyr Os 2.7.0

Is there any API for timers with fixed interrupt period?
I need to change PWM duty cycle exactly every 1000 us. In bare-metal I would have used general purpose timer with fixed interrupt period, and changed duty cycle in interrupt handler
But how should I manage with such task under Zephyr Os?

Thank you
Henrik Brix Andersen
 

Hi,

The counter API provides exactly that: https://docs.zephyrproject.org/latest/reference/peripherals/counter.html

Brgds,
Brix
--
Henrik Brix Andersen

On 31 Oct 2021, at 20.46, Arsenii Soitu <seniasoitu@...> wrote:

Hello. I use stm32f429 and Zephyr Os 2.7.0

Is there any API for timers with fixed interrupt period?
I need to change PWM duty cycle exactly every 1000 us. In bare-metal I would have used general purpose timer with fixed interrupt period, and changed duty cycle in interrupt handler
But how should I manage with such task under Zephyr Os?

Thank you
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