func main() {
flag.Parse()
if err := embd.InitI2C(); err != nil {
panic(err)
}
defer embd.CloseI2C()
bus := embd.NewI2CBus(1)
d := pca9685.New(bus, 0x41)
d.Freq = 50
defer d.Close()
pwm := d.ServoChannel(0)
servo := servo.New(pwm)
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt, os.Kill)
turnTimer := time.Tick(500 * time.Millisecond)
left := true
servo.SetAngle(90)
defer func() {
servo.SetAngle(90)
}()
for {
select {
case <-turnTimer:
left = !left
switch left {
case true:
servo.SetAngle(70)
case false:
servo.SetAngle(110)
}
case <-c:
return
}
}
}
func main() {
flag.Parse()
embd.InitGPIO()
defer embd.CloseGPIO()
pwm, err := embd.NewPWMPin("P9_14")
if err != nil {
panic(err)
}
defer pwm.Close()
servo := servo.New(pwm)
quit := make(chan os.Signal, 1)
signal.Notify(quit, os.Interrupt, os.Kill)
turnTimer := time.Tick(500 * time.Millisecond)
left := true
servo.SetAngle(90)
defer func() {
servo.SetAngle(90)
}()
for {
select {
case <-turnTimer:
left = !left
switch left {
case true:
servo.SetAngle(70)
case false:
servo.SetAngle(110)
}
case <-quit:
return
}
}
}
func main() {
flag.Parse()
sb := servoblaster.New()
defer sb.Close()
pwm := sb.Channel(0)
servo := servo.New(pwm)
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt, os.Kill)
turnTimer := time.Tick(500 * time.Millisecond)
left := true
servo.SetAngle(90)
defer func() {
servo.SetAngle(90)
}()
for {
select {
case <-turnTimer:
left = !left
var err error
switch left {
case true:
err = servo.SetAngle(45)
case false:
err = servo.SetAngle(135)
}
if err != nil {
panic(err)
}
case <-c:
return
}
}
}