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Measuring a sinewave

Question asked by montoya.joseba on May 3, 2013
Latest reply on May 6, 2013 by montoya.joseba
Hello everyone, I am trying to measure a sinusoid signal via ADC. I used timer's trigger to obtain different samples. But i don't know how i can synchronize the trigger's time with the frecuency of the signal, to obtain a good measure.

And then, how I have to process the data that I have in an array in the DMA to obtain the necessary information?