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embd/samples/led.go
2014-03-23 06:25:32 +05:30

45 lines
596 B
Go

// +build ignore
package main
import (
"fmt"
"os"
"os/signal"
"time"
"github.com/kidoman/embd"
)
func main() {
if err := embd.InitLED(); err != nil {
panic(err)
}
defer embd.CloseLED()
led, err := embd.NewLED(3)
if err != nil {
panic(err)
}
defer func() {
led.Off()
led.Close()
}()
quit := make(chan os.Signal, 1)
signal.Notify(quit, os.Interrupt, os.Kill)
defer signal.Stop(quit)
for {
select {
case <-time.After(500 * time.Millisecond):
if err := led.Toggle(); err != nil {
panic(err)
}
fmt.Printf("Toggled\n")
case <-quit:
return
}
}
}