//
// Download checkins
//
private void DownloadCheckinsClick(object sender, RoutedEventArgs e)
{
Callback storeNumCheckins = (ResponseFrame frame, Exception exc) =>
{
if (CheckForErrorsOrTimeout(frame, exc))
{
return;
}
numCheckinsStoredInReader = BitConverter.ToUInt16(frame.Data, 0);
if (numCheckinsStoredInReader == 0)
{
ShowSuccessStatus("There are no checkins to download from the Tappy");
return;
}
/* Step 3 - download the checkins currently stored in the Tappy*/
numCheckinsRemainingToDownload = numCheckinsStoredInReader;
Command cmdDownloadCheckins = new downloadCheckins(0, (ushort)(numCheckinsToDownloadAtOnce - 1));
Debug.WriteLine($" Checkin numbers 1 through {numCheckinsToDownloadAtOnce} are being downloaded from the Tappy");
tappy.SendCommand(cmdDownloadCheckins, storeDownloadedCheckin);
};
Callback storeCurrentStationInfo = (stationNumFrame, stationNumExc) =>
{
if (CheckForErrorsOrTimeout(stationNumFrame, stationNumExc))
{
return;
}
byte[] stationCodeLittleEndian = new byte[2];
Array.Copy(stationNumFrame.Data, stationCodeLittleEndian, 2);
Array.Reverse(stationCodeLittleEndian);
currentStationCode = BitConverter.ToUInt16(stationCodeLittleEndian, 0);
currentStationName = HexarrayToString(BitConverter.ToString(stationNumFrame.Data, 2));
currentStationName.TrimEnd();
/*Step 2: get the number of checkins currently stored in the Tappy*/
Command cmdGetNumCheckins = new getNumCheckins();
tappy.SendCommand(cmdGetNumCheckins, storeNumCheckins);
};
ShowPendingStatus("Downloading Checkins...");
/*Step 1 get the station name and code from the Tappy*/
Command cmdGetStationInfo = new GetStationInfo();
tappy.SendCommand(cmdGetStationInfo, storeCurrentStationInfo);
}
private void GetNumCheckins_Click(object sender, RoutedEventArgs e)
{
Callback showNumCheckins = (ResponseFrame frame, Exception exc) =>
{
if (CheckForErrorsOrTimeout(frame, exc))
{
return;
}
UInt32 numCheckins = BitConverter.ToUInt32(frame.Data, 0);
ShowSuccessStatus($"Number of Checkins is {numCheckins} ");
};
Command cmd = new getNumCheckins();
tappy.SendCommand(cmd, showNumCheckins);
}
