Example #1
0
        /// <summary>
        ///     Enables the MSR completed.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The <see cref="RunWorkerCompletedEventArgs" /> instance containing the event data.</param>
        private void EnableMsrCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            var data = (CardSwipedEventArgs)e.Result;

            if (data.HasError || data.Response != CardReaderResponse.Success)
            {
                InvokeCardSwipedEvent(data);
                return;
            }

            try
            {
                var cardInfo = CardDataReader.GetCardInfo(data.TrackData);
                cardInfo.CardReaderResponse = data.Response;
                data.CardInfo = cardInfo;

                InvokeCardSwipedEvent(data);
            }
            catch (Exception ex)
            {
                var newEx = new CardReaderException("Failed processing card data.", ex);
                data.Exception = newEx;
                InvokeCardSwipedEvent(data);
            }
        }
Example #2
0
        /// <summary>
        ///     Enables the MSR.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The <see cref="DoWorkEventArgs" /> instance containing the event data.</param>
        private void EnableMSR(object sender, DoWorkEventArgs e)
        {
            var response = CardReaderResponse.Unknown;

            try
            {
                var trackData = new byte[512];
                var length    = 0;

                var tracks = Convert.ToByte(e.Argument);

                // yes, i did this and i know it is terrible and will eventually cause a problem
                // but, i am at a loss on what else to do, this card reader keeps spitting back
                // a byte array that that has a length of 7 and there is no documentation that explains
                // why or how to prevent it, but doing this a couple of times fixes the problem
                // janky flush
                while (length <= 7)
                {
                    // this pause allows the card reader to catch up
                    // without it, two swipes are necessary
                    Thread.Sleep(500);
                    response = (CardReaderResponse)UniPay_EnableMSR(tracks, trackData, out length);

                    // get out if this is the case
                    if (response == CardReaderResponse.PortClosed || response == CardReaderResponse.Fail)
                    {
                        break;
                    }
                }

                e.Result = new CardSwipedEventArgs(response)
                {
                    TrackData = trackData, Length = length
                };
            }
            catch (Exception ex)
            {
                var newEx = new CardReaderException($"Unable to read card reader. Response is {(byte)response}:{response}", ex);
                e.Result = new CardSwipedEventArgs(response, newEx);
            }
        }
 public CardSwipedEventArgs(CardReaderResponse response, CardReaderException exception)
 {
     Response  = response;
     Exception = exception;
 }