STM32 SPWM sine wave
2016-08-23
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Earn points
You first get 100 points of the sine wave sampling value (there is a special software). You can use the timer 1Mhz to produce PWM A, and then use the timer B, doing the timer interrupt, 100Khz frequency, each interrupt, put a sample value assigned to the timer A output channel: CCRx. And then non-stop cycle, every interrupt one hundred times, the output of 1 waves. Do not stop the loop on the output, then the PWM output, after filtering, is the 1Khz of the sine wave. Nbsp; &
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