using System.IO.Ports;
namespace Tidstagning
{
    class Relay
    {
        SerialPort com;
        public Relay(string ComPort = null)
        {
            com = new SerialPort();
            com.PortName = ComPort;
            com.BaudRate = 9600;
            try
            {
                com.Open();
            } catch
            {

            }
        }

        public void Set(int output, byte state) {
            byte[] command = {0xff, 0x01, state};
            if (com.IsOpen)
            {
                com.Write(command, 0, 3);
            }
        }
        public void Close() {
            if (com.IsOpen)
            {
                com.Close();
            }
        }

        public static string[] GetPorts()
        {
            string[] ports; 
            
            if (SerialPort.GetPortNames().Length != 0)
            {
                ports = SerialPort.GetPortNames();
            }
            else
            {
                ports = new string[]{ "N/A" };
            }
            return ports;
        }
    }
}