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embd/samples/servobbb.go
Kunal Powar 779096e668 samples: enable flag parsing
this will allow people to use glog options (like -v=3) to increase
verbosity of the log output
2014-04-05 01:43:16 +05:30

56 lines
722 B
Go

// +build ignore
package main
import (
"flag"
"fmt"
"os"
"os/signal"
"time"
"github.com/kidoman/embd"
"github.com/kidoman/embd/motion/servo"
)
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)
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
}
}
}