public Task <bool> WritePage(INFCMiFareTag tag, byte page, byte [] data)
{
var tcs = new TaskCompletionSource <bool>();
tag.SendMiFareCommand(NSData.FromArray(new byte[] { 0xA2, page, data[0], data[1], data[2], data[3] }),
(tagdata, error) => tcs.SetResult((tagdata != null) && (error == null) && (tagdata.Count() == 1)));
return(tcs.Task);
}
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);
}
public Task <byte[]> Read4Pages(INFCMiFareTag tag, byte page)
{
var tcs = new TaskCompletionSource <byte[]>();
tag.SendMiFareCommand(NSData.FromArray(new byte[] { 0x30, page }), (data, error) =>
{
if ((data != null) && (error == null) && (data.Count() == 16))
{
tcs.SetResult(data.ToArray());
}
else
{
tcs.SetResult(null);
}
});
return(tcs.Task);
}