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Stm32f103 nucleo board with cubemx, variable pwm out

Question asked by on May 3, 2016
Latest reply on May 6, 2016 by Clive One
im working with a nucleof103 and the cubeMX HAL library.
i managed so far to get a steady pwm out via tim3_ch1 on PA6.
but id like to change the DC after each periode, therefore enable interrupts and change then the registers value. but so far, i did not find any function from the HAL library except to completely reinit the entire timer structure. i guess i have to write the the register directly. i dont know yet which one, do i have to write my new pulse width to the ARR or the CCR register?