public async Task <TagReadResponse <int> > ReadTagIdAsync(CancellationToken token)
{
using var client = new WebSocket(Server);
using var onMessage = new AutoResetEvent(false);
var message = "READ";
var response = new TagReadResponse <int[]>();
client.Opened += (s, e) =>
{
client.Send(message);
};
client.MessageReceived += (s, e) =>
{
response = JsonConvert.DeserializeObject <TagReadResponse <int[]> >(e.Message);
onMessage.Set();
};
client.Open();
if (!onMessage.WaitOne(30000))
{
throw new TimeoutException("No tag recognized");
}
onMessage.Close();
client.Close();
return(response.GetTagUid());
}
public static TagReadResponse <int> GetTagUid(this TagReadResponse <int[]> response)
{
if (response == null)
{
throw new ArgumentNullException(nameof(response));
}
int id = 0;
for (int i = 0; i < response.Data.Length; i++)
{
id += (int)Math.Pow(2, i) * response.Data[i];
}
return(new TagReadResponse <int>()
{
Method = response.Method,
Data = id,
Success = response.Success
});
}
