How to make a PWM master that vary from 1 to 90%, steps of 1. The second PWM is 50% duty cycle and must have the same frequency of PWM master and the third is complementary and same as second. PWM master have to phase shift relation to second and thi

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Best answer by Tesla DeLorean

One TIM

Use PWM Mode 1 on CCR1, Sweep the CCR1 for CH1 to change the duty

Use PWM Mode 1 on CCR2 = (ARR+1)/2 for 50/50

Use PWM Mode 2 on CCR3 = (ARR+1)/2 for 50/50 anti-phase

TIMx->CCR1 = ((TIMx->ARR + 1) * percent) / 100;

Super User

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Associate II

Thank you! Some day you will need help and you say the same message that you sended to me. Thank you for nothing!

Guru

One TIM

Use PWM Mode 1 on CCR1, Sweep the CCR1 for CH1 to change the duty

Use PWM Mode 1 on CCR2 = (ARR+1)/2 for 50/50

Use PWM Mode 2 on CCR3 = (ARR+1)/2 for 50/50 anti-phase

TIMx->CCR1 = ((TIMx->ARR + 1) * percent) / 100;

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Associate II

I will try again, can i share my code with you after i try?

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