IsoDepInterface.cs

using Android.Nfc;
using Android.Nfc.Tech;
using NeuroAccess.Nfc;
using Waher.Networking;
 
namespace NeuroAccessMaui.AndroidPlatform.Nfc
{
    public class IsoDepInterface(Tag Tag, IsoDep Technology)
        : NfcInterface(Tag, Technology), IIsoDepInterface
    {
        private readonly IsoDep isoDep = Technology;
 
        public Task<byte[]> GetHighLayerResponse()
        {
            return Task.FromResult(this.isoDep.GetHiLayerResponse() ?? throw UnableToReadDataFromDevice());
        }
 
        public Task<byte[]> GetHistoricalBytes()
        {
            return Task.FromResult(this.isoDep.GetHistoricalBytes() ?? throw UnableToReadDataFromDevice());
        }
 
        public void SetTimeout(int Timeout)
        {
            this.isoDep.SetTimeout(Timeout);
        }
 
        public async Task<byte[]> ExecuteCommand(byte[] Command, ICommunicationLayer CommunicationLayer)
        {
            CommunicationLayer.TransmitBinary(false, Command);
 
            byte[]? Response = await this.isoDep.TransceiveAsync(Command);
 
            if (Response is null)
            {
                CommunicationLayer.Error("No response returned.");
                throw UnableToReadDataFromDevice();
            }
 
            CommunicationLayer.ReceiveBinary(false, Response);
 
            return Response;
        }
    }
}