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1 interrupt 2 Timecaptures

Question asked by Spell on Jan 16, 2012
I detect flanks with timer 2 interrupts. After a delay of a few µs I need a timer 4 interrupt to activate an IO port. This delay should be very exactly. So I want to add the delay time to the captured time. But i only have the timer 2 start time. What is the best method to get the start time of Timer 4? I think just a "TIM_GetCounter" is not the best solution.