public static string Decode7BitText(string HexData)
{
byte[] data = GSMConverter.StringToByteArray(HexData);
string decodestring = TextDataConverter.OctetsToSeptetsStr(data);
return(decodestring);
}
//Send USSD
public string SendUSSD(string Code)
{
try
{
string USSDMsg = string.Empty;
string USSD_Code = "AT+CUSD=1,\"" + Code + "\",15";
string response = ExecuteCommands(USSD_Code, 500);
if (CheckOK(response))
{
string resultStr = WaitingData(15000, "+CUSD");
//Nếu hỗ trợ định dạng plain-text thì vào đây làm việc
string rs = USSDResult(resultStr);
if (rs.Trim().Replace("\r", "").Replace("\n", "") == "")
{
LoggingData.WriteLog("Gửi USSD không thành công. Modem không phản hồi lệnh.");
USSDMsg = "Gửi USSD không thành công. Modem không phản hồi lệnh.";
return(USSDMsg);
}
USSDMsg = rs;
return(rs);
}
else
{
//Nếu không hỗ trợ Text, thử với định dạng endcode 7bit
string EndCodeUSSDCode = TextDataConverter.SeptetsToOctetsHex(Code);
USSD_Code = "AT+CUSD=1,\"" + EndCodeUSSDCode + "\",15";
response = ExecuteCommands(USSD_Code, 500);
if (CheckOK(response))
{
string resultStr = WaitingData(15000);
string HexString = USSDResult(resultStr);
if (HexString.Trim().Replace("\r", "").Replace("\n", "") == "")
{
LoggingData.WriteLog("Gửi USSD không thành công. Modem không phản hồi lệnh.");
USSDMsg = "Gửi USSD không thành công. Modem không phản hồi lệnh.";
return(USSDMsg);
}
string USSDResultMsg = GSMConverter.Decode7BitText(HexString);
USSDMsg = USSDResultMsg;
return(USSDMsg);
}
else
{
LoggingData.WriteLog("Gửi USSD không thành công. Modem không phản hồi lệnh.");
USSDMsg = "Gửi USSD không thành công. Modem không phản hồi lệnh.";
return(USSDMsg);
}
}
}
catch (Exception ex)
{
LoggingData.WriteLog(ex);
string USSDMsg = ex.Message;
return(USSDMsg);
}
}
public string SendUssdRequest(string request)
{
string data = TextDataConverter.StringTo7Bit(request);
string result = null;
var asPDUencoded = Calc.IntToHex(TextDataConverter.SeptetsToOctetsInt(data));
try
{
IProtocol protocol = modemService.comm.GetProtocol();
string gottenString = protocol.ExecAndReceiveMultiple("AT+CUSD=1," + asPDUencoded + ",15");
var re = new Regex("\".*?\"");
int i = 0;
if (!re.IsMatch(gottenString))
{
do
{
protocol.Receive(out gottenString);
++i;
} while (!(i >= 5 ||
re.IsMatch(gottenString) ||
gottenString.Contains("\r\nOK") ||
gottenString.Contains("\r\nERROR") ||
gottenString.Contains("\r\nDONE"))); //additional tests "just in case"
}
string m = re.Match(gottenString).Value.Trim('"');
result = PduParts.Decode7BitText(Calc.HexToInt(m));
}
catch (Exception ex) {
result = null;
}
finally
{
modemService.comm.ReleaseProtocol();
}
return(result);
}
//public static SmsSubmitPdu[] CreateConcatTextMessage(string userDataText, string destinationAddress)
//{
// return SmartMessageFactory.CreateConcatTextMessage(userDataText, false, destinationAddress);
//}
/// <summary>
/// Creates a concatenated text message.
/// </summary>
/// <param name="userDataText">The message text.</param>
/// <param name="unicode">Specifies if the userDataText is to be encoded as Unicode. If not, the GSM 7-bit default alphabet is used.</param>
/// <param name="destinationAddress">The message's destination address.</param>
/// <returns>A set of <see cref="T:GsmComm.PduConverter.SmsSubmitPdu" /> objects that represent the message.</returns>
/// <remarks>
/// <para>A concatenated message makes it possible to exceed the maximum length of a normal message,
/// created by splitting the message data into multiple parts.</para>
/// <para>Concatenated messages are also known as long or multi-part messages.</para>
/// <para>If no concatenation is necessary, a single, non-concatenated <see cref="T:GsmComm.PduConverter.SmsSubmitPdu" /> object is created.</para>
/// </remarks>
/// <exception cref="T:System.ArgumentException"><para>userDataText is so long that it would create more than 255 message parts.</para></exception>
public static SmsSubmitPdu[] CreateConcatTextMessage(string userDataText, bool unicode, string destinationAddress)
{
string str;
int length = 0;
int num;
byte[] bytes;
SmsSubmitPdu smsSubmitPdu;
int num1;
byte num2;
if (unicode)
{
num1 = 70;
}
else
{
num1 = 160;
}
int num3 = num1;
if (unicode)
{
str = userDataText;
}
else
{
str = TextDataConverter.StringTo7Bit(userDataText);
}
if (str.Length <= num3)
{
if (unicode)
{
smsSubmitPdu = new SmsSubmitPdu(userDataText, destinationAddress, 8);
}
else
{
smsSubmitPdu = new SmsSubmitPdu(userDataText, destinationAddress);
}
SmsSubmitPdu[] smsSubmitPduArray = new SmsSubmitPdu[1];
smsSubmitPduArray[0] = smsSubmitPdu;
return(smsSubmitPduArray);
}
else
{
ConcatMessageElement16 concatMessageElement16 = new ConcatMessageElement16(0, 0, 0);
byte length1 = (byte)((int)SmartMessageFactory.CreateUserDataHeader(concatMessageElement16).Length);
byte num4 = (byte)((double)length1 / 7 * 8);
if (unicode)
{
num2 = length1;
}
else
{
num2 = num4;
}
byte num5 = num2;
StringCollection stringCollections = new StringCollection();
for (int i = 0; i < str.Length; i = i + length)
{
if (!unicode)
{
if (str.Length - i < num3 - num5)
{
length = str.Length - i;
}
else
{
length = num3 - num5;
}
}
else
{
if (str.Length - i < (num3 * 2 - num5) / 2)
{
length = str.Length - i;
}
else
{
length = (num3 * 2 - num5) / 2;
}
}
string str1 = str.Substring(i, length);
stringCollections.Add(str1);
}
if (stringCollections.Count <= 255)
{
SmsSubmitPdu[] smsSubmitPduArray1 = new SmsSubmitPdu[stringCollections.Count];
ushort num6 = CalcNextRefNumber();
byte num7 = 0;
for (int j = 0; j < stringCollections.Count; j++)
{
num7 = (byte)(num7 + 1);
ConcatMessageElement16 concatMessageElement161 = new ConcatMessageElement16(num6, (byte)stringCollections.Count, num7);
byte[] numArray = SmartMessageFactory.CreateUserDataHeader(concatMessageElement161);
if (unicode)
{
Encoding bigEndianUnicode = Encoding.BigEndianUnicode;
bytes = bigEndianUnicode.GetBytes(stringCollections[j]);
num = (int)bytes.Length;
}
else
{
bytes = TextDataConverter.SeptetsToOctetsInt(stringCollections[j]);
num = stringCollections[j].Length;
}
SmsSubmitPdu smsSubmitPdu1 = new SmsSubmitPdu();
smsSubmitPdu1.DestinationAddress = destinationAddress;
if (unicode)
{
smsSubmitPdu1.DataCodingScheme = 8;
}
smsSubmitPdu1.SetUserData(bytes, (byte)num);
smsSubmitPdu1.AddUserDataHeader(numArray);
smsSubmitPduArray1[j] = smsSubmitPdu1;
}
return(smsSubmitPduArray1);
}
else
{
throw new ArgumentException("A concatenated message must not have more than 255 parts.", "userDataText");
}
}
}
static void Main(string[] args)
{
TextDataConverter.StringTo7Bit("Hello! This is another test. Please text back mhacdev at number");
}
