func detect(c *cli.Context) {
host, rev, err := embd.DetectHost()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Printf("detected host %v (rev %#x)\n", host, rev)
}
func ledToBlink() string {
host, _, err := embd.DetectHost()
panicIf(err)
switch host {
case embd.HostRPi:
return "LED0"
case embd.HostBBB:
return "USR3"
}
panic("Unsupported host")
}
func main() {
flag.Parse()
h, _, err := embd.DetectHost()
if err != nil {
return
}
var pinNo interface{}
switch h {
case embd.HostBBB:
pinNo = "P9_31"
case embd.HostRPi:
pinNo = 10
default:
panic("host not supported (yet :P)")
}
if err := embd.InitGPIO(); err != nil {
panic(err)
}
defer embd.CloseGPIO()
led, err := embd.NewDigitalPin(pinNo)
if err != nil {
panic(err)
}
defer led.Close()
if err := led.SetDirection(embd.Out); err != nil {
panic(err)
}
if err := led.Write(embd.High); err != nil {
panic(err)
}
time.Sleep(1 * time.Second)
if err := led.SetDirection(embd.In); err != nil {
panic(err)
}
}