Esempio n. 1
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// SetAngle sets the servo angle.
func (s *Servo) SetAngle(angle int) error {
	us := util.Map(int64(angle), 0, 180, int64(s.Minus), int64(s.Maxus))

	glog.V(1).Infof("servo: given angle %v calculated %v us", angle, us)

	return s.PWM.SetMicroseconds(int(us))
}
Esempio n. 2
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func (p *pwmPin) SetAnalog(value byte) error {
	duty := util.Map(int64(value), 0, 255, 0, int64(p.period))
	return p.SetDuty(int(duty))
}
Esempio n. 3
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// SetAnalog is a convinience method which allows easy manipulation of the PWM
// based on a (0-255) range value.
func (p *pwmChannel) SetAnalog(value byte) error {
	offTime := util.Map(int64(value), 0, 255, 0, pwmControlPoints-1)
	return p.d.SetPwm(p.channel, 0, int(offTime))
}