[CODE]// sendPacket.cpp : file di progetto principale.


 //initialize command data structure to send
struct SCIENTIFIC_COMMANDDATA
{
    //always 0x17
    unsigned char packetdescriptor;
    //pitch, roll, thrust, yaw commands. 0..4095 2048=middle
    unsigned short pitch;
    unsigned short roll;
    unsigned short thrust;
    unsigned short yaw;
    //flags
    //Bit 0(0x01): Pitch control through serial interfacae enabled
    //Bit 1(0x02): Roll control through serial interface enabled
    //Bit 2(0x04): Thrust control through serial interface enabled
    //Bit 3(0x08): Yaw control through serial interface enabled
    //Bit 4(0x10): ACC-Mode on/off
    //Bit 5(0x20): Height control - on/off (only with ACC)
    //Bit 6(0x40): overwrite ACC/Height mode control
    //(0=mode selected by RC 1=mode selected by Bit 4 and 5)
    //Bit 7(0x17): Trigger Scientific status packet (triggers a response
    //with the actual scientific state)
    //Bit 8..15: sendrate of the scientific packet in 5Hz
    //(0=off;1=5Hz, 20=100Hz, 200=1kHz)
    //Scientific packet is send for three seconds max.
    //after the last command_data packet
    FLAGS flags; //insert a FLAG structure in a SCIENTIFIC_COMMANDDATA   
};



//send-data methods
void sendData_String(array<unsigned char> ^ send_data)
{
   StringComparer^ stringComparer = StringComparer::OrdinalIgnoreCase;
  
    // Create a new SerialPort object with default settings.
    SerialPort^ _serialPort = gcnew SerialPort("COM3");

    // Allow the user to set the appropriate properties.
    _serialPort->BaudRate = 57600 ;
    _serialPort->Parity = Parity::None;
    _serialPort->DataBits = 8;
    _serialPort->StopBits = StopBits::One;
    _serialPort->Handshake =Handshake::None;
  
    //variables
    array<unsigned char> ^ received_data =gcnew array<unsigned char>(50);
    //open-send-close port
    _serialPort->Open();
  
  while(!_kbhit())
  {
     printf("\nsending data...\n");
     for(int ii=0;ii<=send_data->Length;ii++)
     {
         Thread::Sleep(50);
         _serialPort->Write(send_data,ii,1);
         printf("%d", send_data[ii]);
         Thread::Sleep(50);
      }
  
     printf("\nreceiving data...\n");
     for (int ii=0;ii<=received_data->Length; ii++)
     {
        _serialPort->Read(received_data,ii,1);
         printf("%d", received_data[ii]);
      };
  } 
  _serialPort->Close();
}


//MAIN
int main(array<System::String ^> ^args)
{
    //data to be sent
    array<unsigned char> ^ send_data =       {startString[0], //1
                                                              startString[1], //2
                                                              startString[2], //3
                                                              length_high,//4
                                                              length_low,//5
                  scientific_commanddata.packetdescriptor,//6                                    
              scientific_commanddata.pitch&0xFF,//7
              scientific_commanddata.pitch>>8,//8
              scientific_commanddata.roll&0xFF,//9
              scientific_commanddata.roll>>8,//10
              scientific_commanddata.thrust&0xFF,//11
              scientific_commanddata.thrust>>8,//12
              scientific_commanddata.yaw&0xFF,//13
              scientific_commanddata.yaw>>8,//14
              flags_low,//15
              flags_high,//16
              crc_high,//17
              crc_low};//18

//some string catched from testsoftware
array<unsigned char> ^ send_data1 =  {72, 0x43, 0x43, 0x00, 0x0B, 0x17, 0xF0, 0x07, 76, 0x07, 0x00, 0x00, 0xF0, 0x07, 0x8C, 0x04, 0x79, 0}; 

array <unsigned char> ^send_data2 = {0x3E, 0x2A, 0x3E, 0x00, 0x0B, 0x17, 0xF0, 0x07, 0xF0, 0x07, 0x00, 0x00, 0xF0, 0x07, 0x00, 0x04, 0x5C, 0x3F}; 

array <unsigned char> ^send_data3 = {0x3E, 0x2A, 0x3E, 0x00, 0x0B, 0x17, 0xF0, 0x07, 0xF0, 0x07, 0x00, 0x00, 0xF0, 0x07, 0x80, 0x04, 0xD0, 0xF3};
array <unsigned char> ^send_data4 = {0x3E, 0x2A, 0x3E, 0x00, 0x0B, 0x17, 0x50, 0x09, 0xF0, 0x07, 0x00, 0x00, 0xF0, 0x07, 0x00, 0x04, 0x89, 0xA9};

array<unsigned char> ^ send_data5 =  {0x3E, 0x2A, 0x3E, 0x00, 0x0B, 0x80, 0x04, 0x00, 0x04, 0x00, 0x00, 0x00, 0x04, 0x00, 0x50, 0xFF, 0x79, 0x53}; 
  
//launch methods
  
sendData_String(send_data);

return 0;

}[/CODE]