/// <summary>
/// Manejador del evento de la respuesta de la lectora
/// </summary>
/// <param name="EResponse"></param>
void ProcessReaderResponse(EReader.Response EResponse)
{
try
{
//Now when reader response is MSG_OK we will process command.
//MSG_OK means reader received command successfully and command was executed successfully.
//It doesn't mean reader was able to read tag (in case of ReadTag() command).
//It is just indicator of reader tried to read tag successfully.
//But if we have message other than MSG_OK, it indicates failure.
if (EResponse.ResponseCode == EReader.CommandCode.MSGOK)
{
//Now parse response as we need
//Now most of the command like write tag, write tag memory, set hardware information
//just needs confirmation of successfull execution so MSG_OK response indicates success for such commands.
//Where as other commands like read tag, read tag memory, get hardware information, get firmware version
//response comes back with some kind of data in response to issued command.
//For such cases each command has different kind of response, so we need different way to parse it.
//We have made this easy for developer by using response class for each specific command.
//Here you will see how to use it.
//We know the respone is MSG_OK (inside if ) so we can check for command specific response.
//Here we have illustrated few commands. You can add more response as you need
switch (EResponse.CommandEcho)
{
case EReader.Command.GET_FIRMWARE_VERSION:
//If response is not null then
if (EResponse.CommandSpecificResponse != null)
{
//Now we want to parse specific response as per GET_FIRMWARE_VERSION command
//No problem
EReader.FirmwareResponse specificRes = (EReader.FirmwareResponse)EResponse.CommandSpecificResponse; //This is easy
//Now you can process values easily Try yourself by typing specificRes.
//specificRes.MinorVersion
}
break;
case EReader.Command.READ_TAG:
//If response is not null then
if (EResponse.CommandSpecificResponse != null)
{
EReader.ReadTagResponse specificRes = (EReader.ReadTagResponse)EResponse.CommandSpecificResponse; //This is easy
//Now for the case of read_tag command we have to see if we were able to find any tag or not before we can look for tag value
if (specificRes.Decode == EReader.ReadTagResponse.TagDecode.GOOD_TAG)
{
//Hurreyy..we found good tag now we can use tag value for business logic.
byte[] bTagData = specificRes.TagData; //Get tag data as an array
string sTagData = Utility.ToHex(specificRes.TagData); //convert tag data as string of Hex
string tag = Utility.ByteToString(bTagData);
tag.TrimStart();
tag = tag.Replace("\0", "");
//MessageBox.Show(this, "Hexa: " + sTagData + "\n" + "Barcode: " + tag, "Lectura", MessageBoxButtons.OK);
this.txtCodigoRFID.Text = sTagData;
}
else
{
//MessageBox.Show("no tag found. Display proper message");
//no tag found. Display proper message.
}
}
break;
case EReader.Command.READ_TAG_MEMORY:
//As per previous examples
if (EResponse.CommandSpecificResponse != null)
{
EReader.ReadTagMemoryResponse specificRes = (EReader.ReadTagMemoryResponse)EResponse.CommandSpecificResponse; //This is easy
//Now for the case of read_tag command we have to see if we were able to find any tag or not before we can look for tag value
if (specificRes.Decode == EReader.ReadTagMemoryResponse.TagDecode.GOOD_TAG)
{
//Hurreyy..we found good tag now we can use tag value for business logic.
byte[] bTagData = specificRes.TagData; //Get tag data as an array
string sTagData = Utility.ToHex(specificRes.TagData); //convert tag data as string of Hex
}
else
{
//no tag found. Display proper message.
}
}
break;
}
}
else
{
//Print error message only in debugging mode
MessageBox.Show("Intente la operación nuevamente", "Error", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch (Exception ex)
{
//Se guarda log del error
MessageBox.Show("Ocurrió un error durante la operación d electura", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
string inner = "";
if (ex.InnerException != null)
{
inner = ex.InnerException.Message;
}
this.objUtil.LogError("Camiones", "ProcessReaderResponse", ex.Message, inner, CGlobal.IdUsuario);
}
}
void mReader_ReaderResponse(EReader.Response EResponse)
{
this.Invoke(new dlProcessResponse(ProcessReaderResponse), new object[] { EResponse });
}
