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Results tagged with timer
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user 91099
Circuit to generate a signal at a specific time after a trigger event. The timing can be defined by an RC time constant, or by clock pulses from an oscillator.
5
votes
Accepted
What does ClockDivision do, as opposed to the Prescaler for STM32 timers?
According to the stm32 F4 family datasheet register description, the "ClockDivision" stands for
CKD:
This bit-field indicates the division ratio between the timer clock (CK_INT) frequency and the
dead-time … Beware TIM1 is a special Timer, the same description do not hold true for other general pupose timers(ex. TIM2 etc.) …
- 491
2
votes
STM32F7 46 G Discovery setting TIM2 to 1 second
Your timer configuration looks fine for me but for Timer_Clock configuration to be precise, calculate Prescaler value from SystemCoreClock value. …
- 491
5
votes
How to dynamically adjust a timer with STM32
I think the mistake that you are doing is you are stopping the timer base clock in IRQHandler() and want to update it in PeriodElapsedCallback(), which will be executed inside the IRQHandler(). … The only thing you need to do is grab the CCR value dynamically and update the macro, you do not need to stop and start the timer..!
The same problem is addressed here. …
- 491