/// <summary>
/// Actually starts the demo
/// </summary>
/// <param name="Server">Reference to the Telnet Server</param>
private static void Start(TelnetServer Server)
{
for (int f = 0; f < 16; ++f)
{
for (int b = 0; b < 8; ++b)
{
Server.Color((TelnetServer.Colors)f, (TelnetServer.Colors)b);
Server.Print(" " + Tools.ZeroFill(f, 2) + "," + Tools.ZeroFill(b, 2) + " ", true, true);
}
Server.Color(TelnetServer.Colors.White, TelnetServer.Colors.Black);
Server.Print("");
}
}
/// <summary>
/// Shows a specific help page
/// </summary>
/// <param name="Server">The telnet server object</param>
/// <param name="Page">The page</param>
/// <returns>True when the page exists</returns>
private static bool DoHelp(TelnetServer Server, string Page)
{
switch (Page)
{
case "":
Server.Print("NTPSYNC [HOSTNAME] Synchronizes with a timeserver");
return true;
case "NTPSYNC":
Server.Print("NTPSYNC [HOSTNAME] Synchronizes with a timeserver");
Server.Print("- [HOSTNAME] The hostname of an NTP-server (example: pool.ntp.org)");
return true;
default:
return false;
}
}
/// <summary>
/// Actually starts the demo
/// </summary>
/// <param name="Server">Reference to the Telnet Server</param>
private static void Start(TelnetServer Server)
{
NetworkInterface[] Ips = NetworkInterface.GetAllNetworkInterfaces();
for (int IpCnt = 0; IpCnt < Ips.Length; ++IpCnt)
{
Server.Print("Network interface " + IpCnt.ToString() + ":");
Server.Print("MAC Address: " + NetworkInfo.MacToString(Ips[IpCnt].PhysicalAddress));
Server.Print("- IP Address: " + Ips[IpCnt].IPAddress.ToString() + " (" + Ips[IpCnt].SubnetMask.ToString() + ")");
Server.Print("- Gateway: " + Ips[IpCnt].GatewayAddress.ToString());
for (int DnsCnt = 0; DnsCnt < Ips[IpCnt].DnsAddresses.Length; ++DnsCnt)
Server.Print("- DNS-server " + DnsCnt.ToString() + ": " + Ips[IpCnt].DnsAddresses[DnsCnt].ToString());
}
Server.Print("Connected to: " + Server.RemoteAddress);
}
/// <summary>
/// Shows a file entry (child of ListDir)
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
/// <param name="Path">Path</param>
private static void ShowFileEntry(TelnetServer Server, FileInfo Path)
{
Server.Print(Path.CreationTime.ToString() + Tools.ZeroFill(Path.Length.ToString(), 20, ' ') + " " + Path.Name);
}
/// <summary>
/// Shows a directory entry (child of ListDir)
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
/// <param name="Path">Path</param>
/// <param name="Name">If filled, this name will be shown instead (useful for "." and "..")</param>
private static void ShowDirEntry(TelnetServer Server, DirectoryInfo Path, string Name = "")
{
if (Name == "") Name = Path.Name;
Server.Print(Path.CreationTime.ToString() + " <DIR> " + Name);
}
/// <summary>
/// Displays a file
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
/// <param name="Pathname">Filename</param>
private static void DisplayFile(TelnetServer Server, string Pathname)
{
if (!File.Exists(Pathname))
{
DisplayError(Server, "File not found");
return;
}
FileStream Stream = File.OpenRead(Pathname);
while (true)
{
long Length = Stream.Length - Stream.Position;
if (Length == 0) break;
if (Length > 255) Length = 255;
byte[] Buffer = new byte[(int)Length];
Stream.Read(Buffer, 0, Buffer.Length);
Server.Print(new String(Tools.Bytes2Chars(Buffer)), true);
}
Stream.Close();
Server.Print("");
}
/// <summary>
/// Actually starts the demo
/// </summary>
/// <param name="Server">Reference to the Telnet Server</param>
public static void Start(TelnetServer Server)
{
// Configures the onboard button. If this fails, it's probably already in use by another app.
InputPort Button = null;
try { Button = new InputPort(ONBOARD_SW1, false, Port.ResistorMode.Disabled); }
catch (Exception e)
{
Server.Color(TelnetServer.Colors.LightRed);
Server.Print("Exception " + e.Message + " given. Were the onboard Button already configured?");
Server.Color(TelnetServer.Colors.White);
return;
}
// Configures the onboard LED. If this fails, it's probably already in use by another app.
OutputPort Led = null;
try { Led = new OutputPort(ONBOARD_LED, false); }
catch (Exception e)
{
Button.Dispose(); // The button is already defined
Server.Color(TelnetServer.Colors.LightRed);
Server.Print("Exception " + e.Message + " given. Were the onboard LED already configured?");
Server.Color(TelnetServer.Colors.White);
return;
}
// Disables echoing of keypresses
Server.EchoEnabled = false;
// Clears the screen
Server.ClearScreen();
// Draws a Netduino Plus in ANSI/ASCII art
Server.Print("\xda\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xbf");
Server.Print("\xb3 \xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfe \xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfe\xb3");
Server.Print("\xdb\xdb\xdb\xdb\xdb\xdb\xdb\xdb\xdb \xdc \xb3");
Server.Print("\xdb\xdb\xdb\xdb\xdb\xdb\xdb\xdb\xdb NETDUINO \xb3");
Server.Print("\xdb\xdb\xdb\xdb\xdb\xdb\xdb\xdb\xdb PLUS \xb3");
Server.Print("\xb3 ..\xb3");
Server.Print("\xdb\xdb \xdb\xdb ::\xb3");
Server.Print("\xb3 \xdb\xdb\xdb\xdb\xdb\xdb \xb3");
Server.Print("\xdb\xdb\xdb\xdb\xdb \xdb\xdb\xdb\xdb\xdb\xdb \xb3");
Server.Print("\xdb\xdb\xdb\xdb\xdb \xdb\xdb\xdb\xdb\xdb\xdb \xfe\xfe\xfe\xfe\xfe\xfe \xfe\xfe\xfe\xfe\xfe\xfe\xb3");
Server.Print("\xc0\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xdb\xdb\xdb\xdb\xdb\xdb\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xc4\xd9");
Server.Print("", true);
Server.Print("Push the Netduino Plus onboard button, or press a key to close this app");
// We only update the screen if the LastState is different from the current state
bool LastState = false;
while (Server.IsConnected && Server.Input(1, false) == "")
{
// We need to update
if (Button.Read() == LastState)
{
// Lets record the last state
LastState = !Button.Read();
Led.Write(LastState);
// Draws the button
if (LastState) Server.Color(TelnetServer.Colors.HighIntensityWhite);
else Server.Color(TelnetServer.Colors.Gray);
Server.Locate(7, 26, true); Server.Print("\xdb\xdb", true, true);
// Draws the LED
if (LastState) Server.Color(TelnetServer.Colors.LightBlue);
else Server.Color(TelnetServer.Colors.Gray);
Server.Locate(3, 29, true); Server.Print("\xdc", true);
// Brings back the cursor to the last line
Server.Locate(14, 1);
}
}
// Releases the pins
Button.Dispose();
Led.Dispose();
// Enables echo again and clears the screen
if (Server.IsConnected)
{
Server.EchoEnabled = true;
Server.ClearScreen();
}
}
/// <summary>
/// Synchronizes with an NTP-server
/// </summary>
/// <param name="Server">The telnet server object</param>
/// <param name="NtpServer">Hostname of the NTP server</param>
private static void Sync(TelnetServer Server, string NtpServer)
{
SNTP_Client Client = new SNTP_Client(new IntegratedSocket(NtpServer, 123));
Client.Synchronize();
Server.Print("Current time: " + DateTime.Now.ToString());
}
/// <summary>
/// Edits a line
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
/// <param name="Tempfile">The location of the temp file</param>
/// <param name="LineNo">Line number to edit</param>
private static void EditLine(TelnetServer Server, string Tempfile, int LineNo)
{
List(Server, Tempfile, LineNo, LineNo);
Server.Print(Tools.ZeroFill(LineNo, 8, ' ') + ":*", true);
string NewLine = Server.Input();
if (NewLine == "\x03") return;
Edlin.UpdateLine(Tempfile, LineNo, NewLine);
}
/// <summary>
/// Starts editting a file
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
/// <param name="Filename">File to edit</param>
private static void EditFile(TelnetServer Server, string Filename)
{
if (!File.Exists(Filename)) throw new Exception("File does not exist: " + Filename);
// Makes a working file
string Tempfile = ReplaceExt(Filename, ".$$$");
string Bakfile = ReplaceExt(Filename, ".bak");
File.Copy(Filename, Tempfile, true);
// Detecting line endings
FileStream Stream = File.OpenRead(Tempfile);
int Lines = 0;
int Byte = 0;
for (long Pos = 0; Pos < Stream.Length; ++Pos)
{
Byte = Stream.ReadByte();
if (Byte == 10) ++Lines;
}
Stream.Close();
// Appairently the file doesn't end with a line ending
if (Byte != 10) ++Lines;
// Okay, we know the amount of lines
Server.Print(Lines.ToString() + " lines. Type ? for help.");
// Lets start the main loop
while (true)
{
// Shows a prompt and asks for a command
Server.Print("*", true);
string[] Arguments = SplitCommandline(Server.Input());
if (Arguments.Length == 0) continue;
switch (Arguments[Arguments.Length - 1].Substring(0, 1).ToUpper())
{
case "Q": // Quits, without saving
File.Delete(Tempfile);
return;
case "E": // Quits, with saving
if (File.Exists(Bakfile)) File.Delete(Bakfile);
File.Move(Filename, Bakfile);
File.Move(Tempfile, Filename);
return;
case "L": // Lists some lines
if (Arguments.Length > 2) List(Server, Tempfile, int.Parse(Arguments[0]), int.Parse(Arguments[1]));
else if (Arguments.Length > 1) List(Server, Tempfile, int.Parse(Arguments[0]), Lines);
else List(Server, Tempfile, 1, Lines);
break;
case "?": // Shows help
EdlinHelp(Server);
break;
default:
// Is this a line number, or unknown entry?
int LineNo = -1;
try { LineNo = int.Parse(Arguments[0]); } catch { }
if (LineNo == -1) Server.Print("Entry error");
else if (LineNo > Lines) Server.Print("Line out of range (1 to " + Lines.ToString() + ")");
else EditLine(Server, Tempfile, LineNo);
break;
}
}
}
/// <summary>
/// Configures a pin
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
/// <param name="Pin">Pin</param>
/// <param name="Type">Type</param>
private static void _ConfigPin(TelnetServer Server, string Pin, string Type)
{
int PinIndex = _PinToIndex(Pin);
if (PinIndex == -1) { throw new ArgumentException("Invalid pin name: " + Pin); }
switch (Type)
{
case "GPI":
_Pins[PinIndex].ConfigureInput();
Server.Print("Pin " + Pin + " is now a digital input port");
break;
case "GPO":
_Pins[PinIndex].ConfigureOutput();
Server.Print("Pin " + Pin + " is now a digital output port");
break;
case "PWM":
_Pins[PinIndex].ConfigurePWM();
Server.Print("Pin " + Pin + " is now a PWM port");
break;
case "ADC":
_Pins[PinIndex].ConfigureAnalogIn();
Server.Print("Pin " + Pin + " is now an analog input port");
break;
case "NONE":
_Pins[PinIndex].ReleasePin();
Server.Print("Pin " + Pin + " is now released");
break;
default:
throw new ArgumentException("Type " + Type + " unknown");
}
}
/// <summary>
/// Reads a pin
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
/// <param name="Pin">Pin</param>
private static void _ReadPin(TelnetServer Server, string Pin)
{
int PinIndex = _PinToIndex(Pin);
if (PinIndex == -1) { throw new ArgumentException("Invalid pin name: " + Pin); }
Server.Print("Pin " + Pin + " has value: " + _Pins[PinIndex].Read().ToString());
}
/// <summary>
/// Changes the pwm pulse
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
/// <param name="Pin">Pin</param>
/// <param name="Pulse">Pulse</param>
/// <param name="Duration">Duration</param>
private static void _SetPulse(TelnetServer Server, string Pin, string Pulse, string Duration)
{
int PinIndex = _PinToIndex(Pin);
if (PinIndex == -1) { throw new ArgumentException("Invalid pin name: " + Pin); }
int iPulse = int.Parse(Pulse);
int iDuration = int.Parse(Duration);
_Pins[PinIndex].Write((uint)iPulse, (uint)iDuration);
Server.Print("Pulse for pin " + Pin + " set to " + Pulse + "," + Duration);
}
/// <summary>
/// Changes the dutycycle
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
/// <param name="Pin">Pin</param>
/// <param name="Dutycycle">Dutycycle</param>
private static void _DutyCycle(TelnetServer Server, string Pin, string Dutycycle)
{
int PinIndex = _PinToIndex(Pin);
if (PinIndex == -1) { throw new ArgumentException("Invalid pin name: " + Pin); }
int Value = int.Parse(Dutycycle);
_Pins[PinIndex].Write((uint)Value);
Server.Print("Dutycycle for pin " + Pin + " set to " + Dutycycle);
}
/// <summary>
/// Shows a specific help page
/// </summary>
/// <param name="Server">The telnet server object</param>
/// <param name="Page">The page</param>
/// <returns>True when the page exists</returns>
private static bool DoHelp(TelnetServer Server, string Page)
{
switch (Page)
{
case "":
Server.Print("LISTPINS Shows a list of all pins");
Server.Print("CONFIG [PIN] [TYPE] Configures a pin");
Server.Print("READPIN [PIN] Reads a pin value");
Server.Print("GETPINTYPE [PIN] Reads a pin type");
Server.Print("WRITEPIN [PIN] [VALUE] Writes a pin value");
Server.Print("DUTYCYCLE [PIN] [DUTYCYCLE] Sets the PWM dutycycle");
Server.Print("SETPULSE [PIN] [PULSE] [DURATION] Sets the PWM pulse");
return true;
case "LISTPINS":
Server.Print("LISTPINS Shows a list of all pins");
return true;
case "CONFIG":
Server.Print("CONFIG [PIN] [TYPE] Configures a pin");
Server.Print("- [PIN] The name of the pin");
Server.Print("- [TYPE] Can be: GPI, GPO, PWM, ADC or None");
return true;
case "READPIN":
Server.Print("READPIN [PIN] Reads a pin value");
Server.Print("- [PIN] The name of the pin");
return true;
case "GETPINTYPE":
Server.Print("GETPINTYPE [PIN] Reads a pin type");
Server.Print("- [PIN] The name of the pin");
return true;
case "WRITEPIN":
Server.Print("WRITEPIN [PIN] [VALUE] Writes a pin value");
Server.Print("- [PIN] The name of the pin");
Server.Print("- [VALUE] 1 for high, 0 for low");
return true;
case "DUTYCYCLE":
Server.Print("DUTYCYCLE [PIN] [DUTYCYCLE] Sets the PWM dutycycle");
Server.Print("- [PIN] The name of the pin");
Server.Print("- [DUTYCYCLE] The PWM dutycycle (0 to 100)");
return true;
case "SETPULSE":
Server.Print("SETPULSE [PIN] [PULSE] [DURATION] Sets the PWM pulse");
Server.Print("- [PIN] The name of the pin");
Server.Print("- [PULSE] PWM pulse");
Server.Print("- [DURATION] PWM duration");
return true;
default:
return false;
}
}
/// <summary>
/// Displays a line of text in red
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
/// <param name="Text">Text to display</param>
private static void DisplayError(TelnetServer Server, string Text)
{
Server.Color(TelnetServer.Colors.LightRed);
Server.Print(Text);
Server.Color(TelnetServer.Colors.White);
}
/// <summary>
/// Shows a specific help page
/// </summary>
/// <param name="Server">The telnet server object</param>
/// <param name="Page">The page</param>
/// <returns>True when the page exists</returns>
private static bool DoHelp(TelnetServer Server, string Page)
{
switch (Page)
{
case "":
Server.Print("DIR Reads out a listing of the current directory");
Server.Print("CD [PATH] Changes the current directory");
Server.Print("MKDIR [PATH] Creates a directory");
Server.Print("RMDIR [PATH] Removes a directory");
Server.Print("DEL [PATH] Removes a file");
Server.Print("TYPE [PATH] Prints out a file");
Server.Print("TOUCH [PATH] Creates an empty file");
return true;
case "CD":
Server.Print("CD [PATH] Changes the current directory");
Server.Print("- [PATH] The directory to go into");
return true;
case "TYPE":
Server.Print("TYPE [PATH] Prints out a file");
Server.Print("- [PATH] The file to display");
return true;
case "DEL":
Server.Print("DEL [PATH] Removes a file");
Server.Print("- [PATH] The file to remove");
return true;
case "TOUCH":
Server.Print("TOUCH [PATH] Creates an empty file");
Server.Print("- [PATH] The file to create");
return true;
case "MKDIR":
Server.Print("MKDIR [PATH] Creates a directory");
Server.Print("- [PATH] The directory to create");
return true;
case "RMDIR":
Server.Print("RMDIR [PATH] Removes a directory");
Server.Print("- [PATH] The directory to remove");
return true;
case "DIR":
Server.Print("DIR Reads out a listing of the current directory");
return true;
default:
return false;
}
}
/// <summary>
/// Changes the current date
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
/// <param name="Date">New date</param>
private static void ChangeDate(TelnetServer Server, string Date)
{
// Splits up date parts
string[] Parts = Date.Split(new char[] { '-' });
if (Parts.Length != 3) throw new ArgumentException("Invalid TIME format. See HELP DATE for more.");
// Validates data
int Years = int.Parse(Parts[0]);
int Months = int.Parse(Parts[1]);
int Days = int.Parse(Parts[2]);
if (Years < 2000 || Years > 3000) throw new ArgumentException("Invalid DATE format. See HELP DATE for more.");
if (Months > 12 || Months < 1) throw new ArgumentException("Invalid DATE format. See HELP DATE for more.");
if (Days > 31 || Days < 1) throw new ArgumentException("Invalid DATE format. See HELP DATE for more.");
DateTime NewTime = new DateTime(
year: Years,
month: Months,
day: Days,
hour: DateTime.Now.Hour,
minute: DateTime.Now.Minute,
second: DateTime.Now.Second
);
Utility.SetLocalTime(NewTime);
Server.Print("New date: " + DisplayDate());
}
/// <summary>
/// Lists lines from a file
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
/// <param name="Tempfile">The location of the temp file</param>
/// <param name="Start">First line to show</param>
/// <param name="End">Last line to show</param>
private static void List(TelnetServer Server, string Tempfile, int Start, int End)
{
FileStream Stream = File.OpenRead(Tempfile);
int LineNo = 1;
string Buffer = "";
while (true)
{
// Defines the buffer size (max. 255 bytes)
long Length = Stream.Length - Stream.Position;
if (Length == 0) break;
if (Length > 255) Length = 255;
// Reads out the buffer
byte[] ReadBuffer = new byte[(int)Length];
Stream.Read(ReadBuffer, 0, ReadBuffer.Length);
Buffer += new string(Tools.Bytes2Chars(ReadBuffer));
// Is this a line?
while (true)
{
int Pos = Buffer.IndexOf("\n");
if (Pos < 0) break;
// New line found, lets split it
string Line = Buffer.Substring(0, Pos);
Buffer = Buffer.Substring(Pos + 1);
// Do we need to print this line?
if (LineNo >= Start && LineNo <= End)
Server.Print(Tools.ZeroFill(LineNo, 8, ' ') + ": " + Line.TrimEnd());
++LineNo;
}
}
Stream.Close();
// If there's no line ending at the end of the file, we need to show this line
if (Buffer != "" && LineNo >= Start && LineNo <= End)
Server.Print(Tools.ZeroFill(LineNo, 8, ' ') + ": " + Buffer.TrimEnd());
}
/// <summary>
/// Shows a specific help page
/// </summary>
/// <param name="Server">The telnet server object</param>
/// <param name="Page">The page</param>
/// <returns>True when the page exists</returns>
private static bool DoHelp(TelnetServer Server, string Page)
{
switch (Page)
{
case "":
Server.Print("TIME [TIME] Displays or changes the current time");
Server.Print("DATE [DATE] Displays or changes the current date");
return true;
case "TIME":
Server.Print("TIME [TIME] Displays or changes the current time");
Server.Print("- [TIME] If set, will change the time (Format: hh:mm:ss)");
return true;
case "DATE":
Server.Print("DATE [DATE] Displays or changes the current date");
Server.Print("- [DATE] If set, will change the date (Format: yyyy-mm-dd)");
return true;
default:
return false;
}
}
/// <summary>
/// Shows the EDLIN help
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
private static void EdlinHelp(TelnetServer Server)
{
Server.Print("Edit line line#");
Server.Print("End (save file) E");
Server.Print("Quit (throw away changes) Q");
Server.Print("List [startline][,endline]L");
}
/// <summary>
/// Changes the current time
/// </summary>
/// <param name="Server">Reference to the telnet server</param>
/// <param name="Time">New time</param>
private static void ChangeTime(TelnetServer Server, string Time)
{
// Splits up time parts
string[] Parts = Time.Split(new char[] { ':' });
if (Parts.Length != 3) throw new ArgumentException("Invalid TIME format. See HELP TIME for more.");
// Validates data
int Hours = int.Parse(Parts[0]);
int Minutes = int.Parse(Parts[1]);
int Seconds = int.Parse(Parts[2]);
if (Hours > 23 || Hours < 0) throw new ArgumentException("Invalid TIME format. See HELP TIME for more.");
if (Minutes > 59 || Minutes < 0) throw new ArgumentException("Invalid TIME format. See HELP TIME for more.");
if (Seconds > 59 || Seconds < 0) throw new ArgumentException("Invalid TIME format. See HELP TIME for more.");
DateTime NewTime = new DateTime(
year: DateTime.Now.Year,
month: DateTime.Now.Month,
day: DateTime.Now.Day,
hour: Hours,
minute: Minutes,
second: Seconds
);
Utility.SetLocalTime(NewTime);
Server.Print("New time: " + DisplayTime());
}