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STM32F407 external frequency counting

Question asked by hausmann.simon on Oct 16, 2013
Latest reply on Oct 17, 2013 by Clive One
Hello folks,

i have to try write a C-Code for counting an external frequency in a Range of 250ms.
I tried to use the encoder mode, but i think it is impossible only with one signal.
In my project i have only one frequency signal in a range of 0Hz to round about 400Hz.
Could you help me or show examples how to count external frequency by using timer?

Thanks a lot!!