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mirror of https://github.com/kidoman/embd synced 2024-11-13 21:18:55 +01:00
embd/samples/servoblaster.go
Karan Misra c35deeb17c host specific drivers can now be loaded separately
this ensures cleaner abstractions/code and will ensure that the produced
binary is as small as possible. a convenience package is provided to
easily load all hosts easily: "github.com/kidoman/embd/host/all"
2014-04-06 06:50:09 +05:30

57 lines
782 B
Go

// +build ignore
package main
import (
"flag"
"os"
"os/signal"
"time"
"github.com/kidoman/embd/controller/servoblaster"
"github.com/kidoman/embd/motion/servo"
_ "github.com/kidoman/embd/host/all"
)
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
}
}
}