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fix raspi PWMPin.SetDutyCycle #800

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merged 2 commits into from
Apr 24, 2022
Merged

fix raspi PWMPin.SetDutyCycle #800

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ef157b7
fix raspi PWMPin.SetDutyCycle
DiscreteTom Aug 3, 2021
cce0232
fix raspi PWMPin.SetDutyCycle
DiscreteTom Aug 4, 2021
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5 changes: 3 additions & 2 deletions platforms/raspi/pwm_pin.go
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Original file line number Diff line number Diff line change
Expand Up @@ -83,9 +83,10 @@ func (p *PWMPin) SetDutyCycle(duty uint32) (err error) {
p.dc = duty

val := gobot.FromScale(float64(p.dc), 0, float64(p.period))

// never go below minimum allowed duty for pi blaster
if val < 0.05 {
// unless the duty equals to 0
if val < 0.05 && val != 0 {
val = 0.05
}
return p.piBlaster(fmt.Sprintf("%v=%v\n", p.pin, val))
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