mirror of
https://github.com/fasteddy516/SimplySerial.git
synced 2024-11-14 14:04:36 +00:00
auto-(re)connect work-in-progress
This commit is contained in:
parent
b66e9bb4a7
commit
c3c6a5ca7e
@ -30,110 +30,136 @@ namespace SimplySerial
|
||||
// process all command-line arguments
|
||||
ProcessArguments(args);
|
||||
|
||||
// set up the serial port
|
||||
serialPort = new SerialPort(port.name, baud, parity, dataBits, stopBits)
|
||||
{
|
||||
Handshake = Handshake.None, // we don't need to support any handshaking at this point
|
||||
ReadTimeout = 1, // minimal timeout - we don't want to wait forever for data that may not be coming!
|
||||
WriteTimeout = 250, // small delay - if we go too small on this it causes System.IO semaphore timeout exceptions
|
||||
DtrEnable = true, // without this we don't ever receive any data
|
||||
RtsEnable = true // without this we don't ever receive any data
|
||||
};
|
||||
string received = string.Empty; // this is where data read from the serial port will be temporarily stored
|
||||
|
||||
// attempt to open the serial port, terminate on error
|
||||
try
|
||||
{
|
||||
serialPort.Open();
|
||||
}
|
||||
catch (System.UnauthorizedAccessException uae)
|
||||
{
|
||||
ExitProgram((uae.GetType() + " occurred while attempting to open " + port.name + ". Is this port already in use in another application?"), exitCode: -1);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
ExitProgram((e.GetType() + " occurred while attempting to open " + port.name + "."), exitCode: -1);
|
||||
}
|
||||
|
||||
// set up keyboard input for relay to serial port
|
||||
// set up keyboard input for program control and relay to serial port
|
||||
ConsoleKeyInfo keyInfo = new ConsoleKeyInfo();
|
||||
Console.TreatControlCAsInput = true; // we need to use CTRL-C to activate the REPL in CircuitPython, so it can't be used to exit the application
|
||||
|
||||
// if we get this far, clear the screen and send the connection message if not in 'quiet' mode
|
||||
Console.Clear();
|
||||
if (!SimplySerial.Quiet)
|
||||
{
|
||||
Console.WriteLine(("<<< SimplySerial v{0} connected via {1} >>>\n" +
|
||||
"Settings : {2} baud, {3} parity, {4} data bits, {5} stop bit{6}, auto-connect {7}.\n" +
|
||||
"Device : {8} ({9}) {10} ({11}){12}\n" +
|
||||
"---\n\nUse CTRL-X to exit.\n"),
|
||||
version,
|
||||
port.name,
|
||||
baud,
|
||||
(parity == Parity.None) ? "no" : (parity.ToString()).ToLower(),
|
||||
dataBits,
|
||||
(stopBits == StopBits.None) ? "0" : (stopBits == StopBits.One) ? "1" : (stopBits == StopBits.OnePointFive) ? "1.5" : "2", (stopBits == StopBits.One) ? "" : "s",
|
||||
(autoConnect == AutoConnect.ONE) ? "on" : (autoConnect == AutoConnect.ANY) ? "any" : "off",
|
||||
port.board.make,
|
||||
port.vid,
|
||||
port.board.model,
|
||||
port.pid,
|
||||
(port.board.isCircuitPython) ? " + CircuitPython" : ""
|
||||
);
|
||||
}
|
||||
// this is where data read from the serial port will be temporarily stored
|
||||
string received = string.Empty;
|
||||
|
||||
// this is the core functionality - loop while the serial port is open
|
||||
while (serialPort.IsOpen)
|
||||
//main loop - keep this up until instructed otherwise
|
||||
do
|
||||
{
|
||||
// exit the program if CTRL-X was pressed
|
||||
if (Console.KeyAvailable)
|
||||
{
|
||||
keyInfo = Console.ReadKey(intercept: true);
|
||||
if ((keyInfo.Key == ConsoleKey.X) && (keyInfo.Modifiers == ConsoleModifiers.Control))
|
||||
{
|
||||
Output("\n<<< SimplySerial session terminated via CTRL-X >>>");
|
||||
ExitProgram(silent: true);
|
||||
}
|
||||
}
|
||||
|
||||
// set up the serial port
|
||||
serialPort = new SerialPort(port.name, baud, parity, dataBits, stopBits)
|
||||
{
|
||||
Handshake = Handshake.None, // we don't need to support any handshaking at this point
|
||||
ReadTimeout = 1, // minimal timeout - we don't want to wait forever for data that may not be coming!
|
||||
WriteTimeout = 250, // small delay - if we go too small on this it causes System.IO semaphore timeout exceptions
|
||||
DtrEnable = true, // without this we don't ever receive any data
|
||||
RtsEnable = true // without this we don't ever receive any data
|
||||
};
|
||||
|
||||
// attempt to open the serial port, terminate on error
|
||||
try
|
||||
{
|
||||
// process keypresses for transmission through the serial port
|
||||
if (Console.KeyAvailable)
|
||||
{
|
||||
// determine what key is pressed (including modifiers)
|
||||
keyInfo = Console.ReadKey(intercept: true);
|
||||
|
||||
// exit the program if CTRL-X was pressed
|
||||
if ((keyInfo.Key == ConsoleKey.X) && (keyInfo.Modifiers == ConsoleModifiers.Control))
|
||||
{
|
||||
Output("\n<<< SimplySerial session terminated via CTRL-X >>>");
|
||||
ExitProgram(silent: true);
|
||||
}
|
||||
|
||||
// properly process the backspace character
|
||||
else if (keyInfo.Key == ConsoleKey.Backspace)
|
||||
{
|
||||
serialPort.Write("\b");
|
||||
Thread.Sleep(150); // sort of cheating here - by adding this delay we ensure that when we process the receive buffer it will contain the correct backspace control sequence
|
||||
}
|
||||
|
||||
// everything else just gets sent right on through
|
||||
else
|
||||
serialPort.Write(Convert.ToString(keyInfo.KeyChar));
|
||||
}
|
||||
|
||||
// process data coming in from the serial port
|
||||
received = serialPort.ReadExisting();
|
||||
|
||||
// if anything was received, process it
|
||||
if (received.Length > 0)
|
||||
{
|
||||
// properly process backspace
|
||||
if (received == ("\b\x1B[K"))
|
||||
received = "\b \b";
|
||||
|
||||
// write what was received to console
|
||||
Console.Write(received);
|
||||
}
|
||||
serialPort.Open();
|
||||
}
|
||||
catch (System.UnauthorizedAccessException uae)
|
||||
{
|
||||
Output(uae.GetType() + " occurred while attempting to open " + port.name + ". Is this port already in use in another application?");
|
||||
serialPort.Dispose();
|
||||
Thread.Sleep(1000);
|
||||
continue;
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
ExitProgram((e.GetType() + " occurred while attempting to read/write to/from " + port.name + "."), exitCode: -1);
|
||||
Output(e.GetType() + " occurred while attempting to open " + port.name + ".");
|
||||
serialPort.Dispose();
|
||||
Thread.Sleep(1000);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
// if we get this far, clear the screen and send the connection message if not in 'quiet' mode
|
||||
Console.Clear();
|
||||
if (!SimplySerial.Quiet)
|
||||
{
|
||||
Console.WriteLine(("<<< SimplySerial v{0} connected via {1} >>>\n" +
|
||||
"Settings : {2} baud, {3} parity, {4} data bits, {5} stop bit{6}, auto-connect {7}.\n" +
|
||||
"Device : {8} ({9}) {10} ({11}){12}\n" +
|
||||
"---\n\nUse CTRL-X to exit.\n"),
|
||||
version,
|
||||
port.name,
|
||||
baud,
|
||||
(parity == Parity.None) ? "no" : (parity.ToString()).ToLower(),
|
||||
dataBits,
|
||||
(stopBits == StopBits.None) ? "0" : (stopBits == StopBits.One) ? "1" : (stopBits == StopBits.OnePointFive) ? "1.5" : "2", (stopBits == StopBits.One) ? "" : "s",
|
||||
(autoConnect == AutoConnect.ONE) ? "on" : (autoConnect == AutoConnect.ANY) ? "any" : "off",
|
||||
port.board.make,
|
||||
port.vid,
|
||||
port.board.model,
|
||||
port.pid,
|
||||
(port.board.isCircuitPython) ? " + CircuitPython" : ""
|
||||
);
|
||||
}
|
||||
|
||||
// this is the core functionality - loop while the serial port is open
|
||||
while (serialPort.IsOpen)
|
||||
{
|
||||
try
|
||||
{
|
||||
// process keypresses for transmission through the serial port
|
||||
if (Console.KeyAvailable)
|
||||
{
|
||||
// determine what key is pressed (including modifiers)
|
||||
keyInfo = Console.ReadKey(intercept: true);
|
||||
|
||||
// exit the program if CTRL-X was pressed
|
||||
if ((keyInfo.Key == ConsoleKey.X) && (keyInfo.Modifiers == ConsoleModifiers.Control))
|
||||
{
|
||||
Output("\n<<< SimplySerial session terminated via CTRL-X >>>");
|
||||
ExitProgram(silent: true);
|
||||
}
|
||||
|
||||
// properly process the backspace character
|
||||
else if (keyInfo.Key == ConsoleKey.Backspace)
|
||||
{
|
||||
serialPort.Write("\b");
|
||||
Thread.Sleep(150); // sort of cheating here - by adding this delay we ensure that when we process the receive buffer it will contain the correct backspace control sequence
|
||||
}
|
||||
|
||||
// everything else just gets sent right on through
|
||||
else
|
||||
serialPort.Write(Convert.ToString(keyInfo.KeyChar));
|
||||
}
|
||||
|
||||
// process data coming in from the serial port
|
||||
received = serialPort.ReadExisting();
|
||||
|
||||
// if anything was received, process it
|
||||
if (received.Length > 0)
|
||||
{
|
||||
// properly process backspace
|
||||
if (received == ("\b\x1B[K"))
|
||||
received = "\b \b";
|
||||
|
||||
// write what was received to console
|
||||
Console.Write(received);
|
||||
}
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Output(e.GetType() + " occurred while attempting to read/write to/from " + port.name + ".");
|
||||
serialPort.Dispose();
|
||||
Thread.Sleep(1000);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
} while (autoConnect > AutoConnect.NONE);
|
||||
|
||||
// the program should have ended gracefully before now - there is no good reason for us to be here!
|
||||
ExitProgram("\nSession terminated unexpectedly.", exitCode: -1);
|
||||
ExitProgram("<<< SimplySerial session terminated >>>", exitCode: -1);
|
||||
}
|
||||
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user