Hello Nylon, On Mon, Jan 06, 2025 at 05:00:32PM +0800, Nylon Chen wrote: > Hi Uwe, I have made the following adjustments based on your > requirements. Does this align with what you had in mind? > - period > seq 5000 1 15000 | while read p; do echo $p > > /sys/class/pwm/pwmchip0/pwm0/period echo "Testing period: $p" done > > - duty cycle > for duty in $(seq 0 1 10000); do echo $duty > > /sys/class/pwm/pwmchip0/pwm0/duty_cycle echo "Testing duty cycle: > $duty" done That + doing the same test backwards (i.e. using seq 15000 -1 5000 for the period test and seq 10000 -1 0 for duty_cycle) should catch most rounding bugs. Best regards Uwe
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