mirror of
https://github.com/fasteddy516/SimplySerial.git
synced 2024-11-24 10:04:35 +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
|
// process all command-line arguments
|
||||||
ProcessArguments(args);
|
ProcessArguments(args);
|
||||||
|
|
||||||
// set up the serial port
|
// set up keyboard input for program control and relay to 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
|
|
||||||
ConsoleKeyInfo keyInfo = new ConsoleKeyInfo();
|
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
|
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
|
// this is where data read from the serial port will be temporarily stored
|
||||||
Console.Clear();
|
string received = string.Empty;
|
||||||
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
|
//main loop - keep this up until instructed otherwise
|
||||||
while (serialPort.IsOpen)
|
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
|
try
|
||||||
{
|
{
|
||||||
// process keypresses for transmission through the serial port
|
serialPort.Open();
|
||||||
if (Console.KeyAvailable)
|
}
|
||||||
{
|
catch (System.UnauthorizedAccessException uae)
|
||||||
// determine what key is pressed (including modifiers)
|
{
|
||||||
keyInfo = Console.ReadKey(intercept: true);
|
Output(uae.GetType() + " occurred while attempting to open " + port.name + ". Is this port already in use in another application?");
|
||||||
|
serialPort.Dispose();
|
||||||
// exit the program if CTRL-X was pressed
|
Thread.Sleep(1000);
|
||||||
if ((keyInfo.Key == ConsoleKey.X) && (keyInfo.Modifiers == ConsoleModifiers.Control))
|
continue;
|
||||||
{
|
|
||||||
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)
|
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!
|
// 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