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using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO.Ports;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Cluster.iButtonLib
{
public class iButtonConnection
{
public string Port { get; set; }
public iButtonConnection(string port)
{
Port = port;
}
/// <summary>
/// Открывает порт
/// </summary>
private SerialPort OpenPort()
{
SerialPort sPort;
sPort = new SerialPort();
sPort.PortName = Port;
sPort.WriteTimeout = 500; sPort.ReadTimeout = 3000;
sPort.BaudRate = 19200;
sPort.Parity = Parity.None;
sPort.DataBits = 8;
sPort.StopBits = StopBits.One;
sPort.Handshake = Handshake.None;
sPort.DtrEnable = false;
sPort.RtsEnable = false;
sPort.NewLine = System.Environment.NewLine;
sPort.Open();
return sPort;
}
/// <summary>
/// Проверяет - на этом ли порту наше устройство
/// </summary>
public bool Test()
{
bool result = false;
SerialPort port = null;
try
{
port = OpenPort();
port.Write("\r\nname\r\n");
while (true)
{
var line = port.ReadLine().Trim();
if (line.Contains("iButton"))
{
result = true;
}
}
}
catch { }
finally
{
if (port != null)
port.Close();
}
return result;
}
/// <summary>
/// Читает ключи из устройства
/// </summary>
public iButtonKey[] ReadKeys()
{
var port = OpenPort();
try
{
var result = new List<iButtonKey>();
port.Write("\r\nread\r\n");
int keyCount = 1;
do
{
var line = port.ReadLine().Trim();
if (line.StartsWith("Count: "))
{
keyCount = byte.Parse(line.Substring(7), NumberStyles.AllowHexSpecifier);
}
else if (line.StartsWith("Key: "))
{
string keyLine = line.Substring(8);
result.Add(new iButtonKey(keyLine));
}
} while (result.Count < keyCount);
return result.ToArray();
}
finally
{
port.Close();
}
}
/// <summary>
/// Стирает ключи из устройства
/// </summary>
public void Erase()
{
var port = OpenPort();
try
{
port.Write("\r\nerase\r\n");
while (true)
{
var line = port.ReadLine().Trim();
if (line == "Done.") return;
}
}
finally
{
port.Close();
}
}
/// <summary>
/// Записывает ключ в устройство
/// </summary>
public void Write(iButtonKey key)
{
var port = OpenPort();
try
{
port.Write("\r\nwrite " + key.ToString() + "\r\n");
while (true)
{
var line = port.ReadLine().Trim();
if (line == "Done.") return;
}
}
finally
{
port.Close();
}
}
/// <summary>
/// Перезагружает устройство
/// </summary>
public void Reboot()
{
var port = OpenPort();
try
{
port.Write("\r\nreboot\r\n");
while (true)
{
var line = port.ReadLine().Trim();
if (line == "OK.") return;
}
}
finally
{
port.Close();
}
}
}
}
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