public static async Task <byte[]> DoFastRead(
this INFCMiFareTag tag,
byte from,
byte to,
byte batchSize)
{
var results = new List <MifareCommandResult>();
while (from < to)
{
var thisTo = (byte)Math.Min(from + batchSize, to);
var data = await tag.SendMifareCommand(0x3a, from, thisTo);
results.Add(data);
from = (byte)(from + (byte)(batchSize + 0x1));
}
if (results.Any(x => x.Error != null))
{
throw new Exception($"Failed to fast read; first error: {results.First(x => x.Error != null).Error}");
}
var all = MifareCommandResult.Combine(results);
return(all.Data);
}
public static Task <MifareCommandResult> SendMifareCommand(
this INFCMiFareTag tag, params byte[] command)
{
var tcs = new TaskCompletionSource <MifareCommandResult>();
tag.SendMiFareCommand(
NSData.FromArray(command),
(data, err) => tcs.SetResult(MifareCommandResult.From(data, err)));
return(tcs.Task);
}
