package main

import (
	"os"
	"flag"
	"github.com/stianeikeland/go-rpio"
	"github.com/drahoslav7/go-nec"
)

var (
	addr uint16 = 61184 // 24 key ir remote control
	cmd uint8 = 3 // ON
)

func init() {
	c := flag.Uint( "c", uint(cmd), "command to send (0-23)")
	flag.Parse()
	cmd = uint8(*c)
}

func main() {
	// init gpio
	err := rpio.Open()
	if err != nil {
		os.Exit(1)
	}
	defer rpio.Close()

	led := rpio.Pin(2)
	led.Mode(rpio.Output)
	led.Write(rpio.Low)

	carry := rpio.Pin(4)
	carry.Mode(rpio.Clock)
	carry.Freq(38000)

	toLED := func(v bool) {
		if v {
			led.Write(rpio.High)
		} else {
			led.Write(rpio.Low)
		}
	}
	nec.EncodeExt(addr, cmd).TransmitTimes(toLED, 3)

}