static public byte[] CommandStruct_to_Bytes(CTP_packet command)
{
byte[] arr = new byte[Marshal.SizeOf(command)];
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(command));
Marshal.StructureToPtr(command, ptr, true);
Marshal.Copy(ptr, arr, 0, Marshal.SizeOf(command));
Marshal.FreeHGlobal(ptr);
return(arr);
}
public byte SendCTP_Command(CTP_packet _command)
{
if (connection.IsOpen == false)
{
return(Convert.ToByte(0));
}
connection.Write(CommandStruct_to_Bytes(_command), 0, Marshal.SizeOf(_command) - 1);
byte[] buffer = new byte[1];
connection.Read(buffer, 0, 1);
//Console.WriteLine($"Recieved after command: {Convert.ToInt32(buffer[0])}");
logger?.LogDebug($"Recieved after command: {Convert.ToInt32(buffer[0])}");
return(buffer[0]);
}
public Task <byte> SendCTP_CommandAsync(CTP_packet _command)
{
return(Task.Factory.StartNew((command) => {
if (connection.IsOpen == false)
{
return Convert.ToByte(0);
}
CTP_packet p = (CTP_packet)command;
connection.Write(CommandStruct_to_Bytes(p), 0, Marshal.SizeOf(p) - 1);
byte[] buffer = new byte[1];
connection.Read(buffer, 0, 1);
//Console.WriteLine($"Recieved after command: {Convert.ToInt32(buffer[0])}");
logger?.LogDebug($"Recieved after command: {Convert.ToInt32(buffer[0])}");
return buffer[0];
}, _command));
}
public byte SendCTP_Command(CTP_packet _command)
{
if (connection.IsOpen == false)
{
return(Convert.ToByte(0));
}
Console.WriteLine("Sending");
connection.Write(CommandStruct_to_Bytes(_command), 0, Marshal.SizeOf(_command) - 1);
byte[] buffer = new byte[1];
try
{
connection.Read(buffer, 0, 1);
}
catch (Exception ex) { Console.WriteLine(ex.Message);
return(0); };
//Console.WriteLine($"Recieved after command: {Convert.ToInt32(buffer[0])}");
Console.WriteLine($"Recieved after command: {Convert.ToInt32(buffer[0])}");
return(buffer[0]);
}
static private bool Check_phisically_connected()
{
command = new CTP_packet();
const int number_of_ports_to_check = 6;
bool is_connected = false;
byte[] buffer = new byte[1];
// Expected response - Unxepected pin
command.command_type = 1;
command.pin_number = 255;
command.duty = 0;
command.frequency = 0;
for (int port_number = number_of_ports_to_check; port_number > 0; port_number--)
{
connection.PortName = "COM" + port_number.ToString();
try
{
connection.Open();
connection.Write(CommandStruct_to_Bytes(command), 0, Marshal.SizeOf(command) - 1);
connection.Read(buffer, 0, 1);
Console.WriteLine("{0} : {1}", connection.PortName, buffer[0]);
}
catch (Exception)
{
connection.Close();
continue;
}
//Console.WriteLine($"Comparison result: {string.Compare(response, expected_response)}");
if (Convert.ToInt32(buffer[0]) == 101)
{
//Console.WriteLine("Arduino connected!!!");
is_connected = true;
break;
}
connection.Close();
}
return(is_connected);
}
public Task <byte> SendCTP_CommandAsync(CTP_packet _command)
{
return(Task.Run(() => SendCTP_Command(_command)));
}