anonfunc/LedD.PCA9685
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fixed wrong led off/on register setting

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This commit is contained in:
Giovanni Harting
2019-05-03 20:25:45 +02:00
parent 1500fa5d93
commit 5c2fe2f073
3 changed files with 14 additions and 17 deletions
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12
pca9685.go
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@@ -168,13 +168,11 @@ func (p *PCA9685) setAllPwm(on uint16, off uint16) {
}
func (p *PCA9685) setPwm(pwm int, on uint16, off uint16) {
onB := byte(on)
offB := byte(off)
p.i2cBus.WriteReg(LED0_ON_L+byte(4)*byte(pwm), []byte{onB & 0xF0})
p.i2cBus.WriteReg(LED0_ON_H+byte(4)*byte(pwm), []byte{onB & 0x0F})
p.i2cBus.WriteReg(LED0_OFF_L+byte(4)*byte(pwm), []byte{offB & 0xF0})
p.i2cBus.WriteReg(LED0_OFF_H+byte(4)*byte(pwm), []byte{offB & 0x0F})
p.i2cBus.WriteReg(LED0_ON_H+byte(4)*byte(pwm), []byte{byte(on >> 8)})
p.i2cBus.WriteReg(LED0_ON_L+byte(4)*byte(pwm), []byte{byte(on & 0x00FF)})
p.i2cBus.WriteReg(LED0_OFF_H+byte(4)*byte(pwm), []byte{byte(off >> 8)})
p.i2cBus.WriteReg(LED0_OFF_L+byte(4)*byte(pwm), []byte{byte(off & 0x00FF)})
}
func (pwm *Pwm) setPercentage(percentage float32) error {
@@ -183,7 +181,7 @@ func (pwm *Pwm) setPercentage(percentage float32) error {
}
pwm.pca.log.Info(fmt.Sprintf("Setting pwm #%v to %v%% at \"%v\" device.", pwm.pin, percentage, pwm.pca.name))
pwm.pca.setPwm(pwm.pin, 0, uint16(percentage*float32(pwm.pca.maxPulse)))
pwm.pca.setPwm(pwm.pin, 0, uint16((percentage/100)*float32(pwm.pca.maxPulse)))
return nil
}