public int ChangeText(string text)
{
PP_DISPPARM pp_dispparm = new PP_DISPPARM
{
text = new byte[40 + 1],
offset = (byte)0,
clear_lines = (byte)(1 | 2),
reserved = new byte[4],
};
byte[] tempB = Encoding.ASCII.GetBytes(text);
for (int i = 0; i < Math.Min(tempB.Length, 40); i++)
{
pp_dispparm.text[i] = tempB[i];
}
;
pp_dispparm.text[Math.Min(tempB.Length, 40)] = 0;
// pp_dispparm.text = Encoding.ASCII.GetBytes(text);
IntPtr pAddressOfFunctionToCall = NativeMethods.GetProcAddress(pDll, "_PinpadDisplay");
_PinpadDisplay pinpadDisplay = (_PinpadDisplay)Marshal.GetDelegateForFunctionPointer(pAddressOfFunctionToCall,
typeof(_PinpadDisplay));
int result = pinpadDisplay(ref pp_dispparm);
return(result);
}
//public string GetPin(string textDisplay, string cardNo)
public DeviceReply GetPin(string textDisplay, string cardNo)
{
DeviceReply dev = new DeviceReply();
PP_DISPPARM pp_dispparm = new PP_DISPPARM
{
text = new byte[40 + 1],
offset = (byte)0,
clear_lines = (byte)(1 | 2),
reserved = new byte[4],
};
PP_PINPARM pp_pinpadrm = new PP_PINPARM
{
mindigits = (byte)6,
maxdigits = (byte)6,
timeout = (byte)30,
offset = (byte)20,
beep = (byte)1,
format = (byte)0,
keyid = (byte)2,
PANdata = new byte[20],
reserved = new byte[4],
};
byte[] tempB = Encoding.ASCII.GetBytes(textDisplay);
for (int i = 0; i < Math.Min(tempB.Length, 40); i++)
{
pp_dispparm.text[i] = tempB[i];
}
;
pp_dispparm.text[Math.Min(tempB.Length, 40)] = 0;
//card
byte[] tempC = Encoding.ASCII.GetBytes(cardNo);
for (int i = 0; i < Math.Min(tempC.Length, 20); i++)
{
pp_pinpadrm.PANdata[i] = tempC[i];
}
;
pp_pinpadrm.PANdata[Math.Min(tempC.Length, 20)] = 0;
byte[] buffer = new byte[8];
IntPtr pAddressOfFunctionToCall = NativeMethods.GetProcAddress(pDll, "_PinpadGetPIN");
_PinpadGetPIN pinpadGetPin = (_PinpadGetPIN)Marshal.GetDelegateForFunctionPointer(pAddressOfFunctionToCall, typeof(_PinpadGetPIN));
int result = pinpadGetPin(ref pp_dispparm, ref pp_pinpadrm, buffer);
Console.WriteLine("pin :" + buffer);
Hashtable errTable = new Hashtable();
errTable.Add(0, "operation was successful");
errTable.Add(1, "processing PIN request");
errTable.Add(2, "invalid field");
errTable.Add(3, "a parameter value was incorrect");
errTable.Add(12, "incorrect command or response length");
errTable.Add(32, "data entry cancelled by user");
errTable.Add(33, "operation timed out");
errTable.Add(34, "MSR track read error");
errTable.Add(87, "pinpad is not responding");
errTable.Add(89, "comms error occurred");
errTable.Add(96, "card inserted but no chip detected");
errTable.Add(97, "transaction no complete");
errTable.Add(98, "invalid data on chip or no tracks were able to read from the chip");
errTable.Add(997, "an unknown response rxed from pinpad");
errTable.Add(998, "bad parameter passed to API");
string hsl_cvt = toHexa(buffer);
string err_msg = "";
if (result == 0)
{
err_msg = toHexa(buffer);
}
else
{
bool checkKey = errTable.ContainsKey(result);
err_msg = checkKey == true ? errTable[result].ToString() : "";
}
dev.Error_code = result;
dev.Err_message = err_msg;
return(dev);
}
//public string SwipeCard(string text)
public DeviceReply SwipeCard(string text)
{
DeviceReply dev = new DeviceReply();
PP_DISPPARM pp_dispparm = new PP_DISPPARM
{
text = new byte[40 + 1],
offset = (byte)0,
clear_lines = (byte)(1 | 2),
reserved = new byte[4],
};
PP_MSR pp_msr = new PP_MSR();
byte[] tempB = Encoding.ASCII.GetBytes(text);
for (int i = 0; i < Math.Min(tempB.Length, 40); i++)
{
pp_dispparm.text[i] = tempB[i];
}
;
pp_dispparm.text[Math.Min(tempB.Length, 40)] = 0;
IntPtr pAddressOfFunctionToCall = NativeMethods.GetProcAddress(pDll, "_PinpadMSRRead");
_PinpadMSRRead pinpadMSRRead = (_PinpadMSRRead)Marshal.GetDelegateForFunctionPointer(pAddressOfFunctionToCall,
typeof(_PinpadMSRRead));
int result = pinpadMSRRead((byte)30, ref pp_dispparm, ref pp_msr);
string err_msg = "";
string trak2 = Encoding.ASCII.GetString(pp_msr.data2);
Hashtable errTable = new Hashtable();
errTable.Add(0, "operation was successful");
errTable.Add(1, "processing PIN request");
errTable.Add(2, "invalid field");
errTable.Add(3, "a parameter value was incorrect");
errTable.Add(12, "incorrect command or response length");
errTable.Add(32, "data entry cancelled by user");
errTable.Add(33, "operation timed out");
errTable.Add(34, "MSR track read error");
errTable.Add(87, "pinpad is not responding");
errTable.Add(89, "comms error occurred");
errTable.Add(96, "card inserted but no chip detected");
errTable.Add(97, "transaction no complete");
errTable.Add(98, "invalid data on chip or no tracks were able to read from the chip");
errTable.Add(997, "an unknown response rxed from pinpad");
errTable.Add(998, "bad parameter passed to API");
if (trak2 != "")
{
string cardNo = trak2.Split('=')[0];
err_msg = cardNo;
}
else
{
bool checkKey = errTable.ContainsKey(result);
err_msg = checkKey == true ? errTable[result].ToString() : "";
}
dev.Error_code = result;
dev.Err_message = err_msg;
return(dev);
}