public async Task <int> DoTransaction(float amount, bool testConnFirst)
{
int testConnResult = 0;
if (testConnFirst)
{
testConnResult = TestConnection(portName);
}
if (testConnResult == 0)
{
if (driver == null)
{
driver = new PaxPOSECRDriver();
}
response = null;
string msg = "";
string RNo = referenceNumber.GetNewRNo();
int result = driver.POSDoCardTransaction(portName, POSTransType.SALE, ParseAmount(amount), RNo, out response, out msg);
Log(RNo, amount, result);
referenceNumber.IncrementRNo();
return(result);
}
return(testConnResult);
}
public int TestConnection(string port)
{
if (driver == null)
{
driver = new PaxPOSECRDriver();
}
List <string> ports = new List <string>();
ports.AddRange(SerialPort.GetPortNames());
if (ports.Contains(port))
{
string eftVer = "", libVer = "";
int result = driver.POSTestConnection(port, out eftVer, out libVer);
MessageBox.Show(result.ToString());
return(result);
}
else
{
return(-1);
}
}
