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 async Task <byte[]> WritePage(
this INFCMiFareTag tag,
byte page,
byte[] data)
{
var cmd = new byte[] { 0xa2, (byte)(page) }.Concat(data).ToArray();
var result = await tag.SendMifareCommand(cmd);
if (result.Error != null)
{
Debug.WriteLine(result.Error);
}
return(result.Data);
}