public async Task ToolChangeHeatOnlyT0()
{
var printer = ToolChangeTests.CreatePrinter();
// register to make sure that T0 is heated (only once) and T1 is not heated
printer.Connection.HotendTargetTemperatureChanged += (s, extruderIndex) =>
{
Assert.AreEqual(0, printer.Connection.GetTargetHotendTemperature(1));
};
await printer.RunSimulatedPrint(
@"T0
; tell the printer to heat up
M104 T0 S230
; send some movement commands with tool switching
; the printer is moving normally
G1 X10 Y10 Z10 E0 F2500
T1
G1 X10 Y10 Z10 E0
T0
G1 X10 Y10 Z10 E0" );
// now do the same thing with a long enough print to cause
// cooling and heating
}
public async Task ToolChangeTempSetWithNoMove()
{
var printer = ToolChangeTests.CreatePrinter();
// Collect gcode sent through stream processors
var sentLines = await printer.RunSimulatedPrint(
@"T0
; send some movement commands with tool switching
; the printer is moving normally
G1 X10 Y10 Z10 E0 F2500
T1
M104 S100
T0
G1 X11 Y11 Z11 E0 F2500" );
// Validate
var expectedLines = new string[]
{
"M114", // initial position request
"T0", // initial tool assignment (part of starting a default print)
"M114", // we always ask position after tool assignment
"G1 X10 Y10 Z10 F2500", // go to the position requested
"M104 T1 S100", // set the temp for T1
"T0", // smoothie command to ensure still on T0 after temp set
"M114", // always ask position after T
"G1 X11 Y11 Z11", // go to the position requested
};
Assert.AreEqual(expectedLines, sentLines);
}
public async Task SetTempDirectMarlin()
{
var printer = ToolChangeTests.CreatePrinter();
printer.Settings.SetValue(SettingsKey.firmware_type, "MARLIN");
// Collect gcode sent through stream processors
var sentLines = await printer.RunSimulatedPrint(
@"T0
; send some movement commands with tool switching
; the printer is moving normally
G1 X10 Y10 Z10 E0 F2500
M104 S100 T1
G1 X11 Y11 Z11 E0 F2500" );
// Validate
var expectedLines = new string[]
{
"M114", // initial position request
"T0", // initial tool assignment (part of starting a default print)
"M114", // we always ask position after tool assignment
"G1 X10 Y10 Z10 F2500", // go to the position requested
"M104 T1 S100", // set the temp for T1
"G1 X11 Y11 Z11", // go to the position requested
};
Assert.AreEqual(expectedLines, sentLines);
}
public async Task ToolChangeNoHeat()
{
var printer = ToolChangeTests.CreatePrinter();
// validate that no heater is heated at anytime during the print
printer.Connection.HotendTargetTemperatureChanged += (s, extruderIndex) =>
{
if (printer.Connection.GetTargetHotendTemperature(extruderIndex) > 0)
{
Assert.Fail("No hotend should ever change temp during this test.");
}
};
// Collect gcode sent through stream processors
var sentLines = await printer.RunSimulatedPrint(
@"T0
; send some movement commands with tool switching
; the printer is moving normally
G1 X10 Y10 Z10 E0 F2500
T1
G1 X10 Y10 Z10 E0
T0
G1 X10 Y10 Z10 E0" );
// Validate
var expectedLines = new string[]
{
"M114", // initial position request
"T0", // initial tool assignment (part of starting a default print)
"M114", // we always ask position after tool assignment
"G1 X10 Y10 Z10 F2500", // go to the position requested
"G1 Y111", // the pre switch T1 code
"M114", // always sent after a ; NO_PROCESSING command
"T1",
"M114", // after a tool change we inject an M114
"G1 Y222", // the post switch T1 code
"M114", // always sent after a ; NO_PROCESSING command
"G1 X9 Y8 F3000", // the destination position with consideration of T1 offset
"G1 Z7 F315", // we set xy than z, so this is the z
"G1 F2500", // we then reset the F after the pre and post gcode run
"G1 X111", // pre T0 code
"M114", // always sent after a ; NO_PROCESSING command
"M104 T1 S0",
"T1",
"M114",
"T0",
"M114", // always send after switch
"G1 X222", // post switch T0 code
"M114", // always sent after a ; NO_PROCESSING command
"G1 X10 Y10 F3000", // return to extruder position
"G1 Z10 F315",
"G1 F2500",
};
Assert.AreEqual(expectedLines, sentLines);
}
public async Task ToolChangeTempAndSwitch()
{
var printer = ToolChangeTests.CreatePrinter();
// Collect gcode sent through stream processors
var sentLines = await printer.RunSimulatedPrint(
@"T0
; tell the printer to heat up
M104 T1 S240 ; start with T0 to test smoothie temp change code
M104 T0 S230
; send some movement commands with tool switching
; the printer is moving normally
G1 X10 Y10 Z10 E0 F2500
T1
G1 X10 Y10 Z10 E0
T0
G1 X10 Y10 Z10 E0" );
// Validate
var expectedLines = new string[]
{
"M114",
"T0",
"M114",
"M104 T1 S240", // initial heating
"T0",
"M114",
"M104 T0 S230",
"G1 X10 Y10 Z10 F2500",
"G1 Y111",
"M114",
"T1",
"M114",
"M104 T1 S240",
"G1 Y222",
"M114",
"G1 X9 Y8 F3000",
"G1 Z7 F315",
"G1 F2500",
"G1 X111",
"M114",
"M104 T1 S0",
"T1",
"M114",
"T0",
"M114",
"G1 X222",
"M114",
"G1 X10 Y10 F3000",
"G1 Z10 F315",
"G1 F2500",
};
Assert.AreEqual(expectedLines, sentLines);
}
public async Task MarlinPrintingToolChanges()
{
var printer = ToolChangeTests.CreatePrinter();
printer.Settings.SetValue(SettingsKey.firmware_type, "MARLIN");
printer.Settings.SetValue(SettingsKey.before_toolchange_gcode, "");
printer.Settings.SetValue(SettingsKey.before_toolchange_gcode_1, "");
printer.Settings.SetValue(SettingsKey.toolchange_gcode, "");
printer.Settings.SetValue(SettingsKey.toolchange_gcode_1, "");
// Collect gcode sent through stream processors
var sentLines = await printer.RunSimulatedPrint(
@"G0 X93.444 Y147.916
G1 E47.2643 F1200 ; retract
G92 E0 ; reset extrusion
T1 ; switch extruder
G1 F1200 E10
G1 F2400 X93.411 Y147.936 E10.00076
G1 X93.382 Y147.949 E10.00138" );
// Validate
var expectedLines = new string[]
{
"M114", // we start with a position request
"G1 X93.44 Y147.92", // goto the first position
"G1 E47.264 F1200", // do the retract
"G92 E0", // reset the extrusion
"T1", // switch to T1
"G1 F1200 E10",
"M114",
"T1",
"M114",
"G1 X92.41 Y145.94 F3000",
"G1 F315",
"G1 F1200",
"G1 E10.001 F2400",
"G1 X92.38 Y145.95",
};
foreach (var line in sentLines)
{
Debug.WriteLine($"\"{line}\",");
}
Assert.AreEqual(expectedLines, sentLines);
}
public async Task NoMoveOnToolChangeButWithExtrude()
{
var printer = ToolChangeTests.CreatePrinter();
// Collect gcode sent through stream processors
var sentLines = await printer.RunSimulatedPrint(
@"T0
; send some movement commands with tool switching
; the printer is moving normally
G1 X10 Y10 Z10 E0 F2500
T1
G1 E10
G1 E20
T0
G1 E30
G1 X11 Y11 Z11 E30 F2500" );
// Validate
var expectedLines = new string[]
{
"M114", // initial position request
"T0", // initial tool assignment (part of starting a default print)
"M114", // we always ask position after tool assignment
"G1 X10 Y10 Z10 F2500", // go to the position requested
"T1", // switch to do extrusion
"G92 E0", // set the extrusion after switch (for smoothie)
"G1 E10", // the first extrusion on T1
"T0", // switch back to T0
"G92 E10", // set the extrusion after switch (for smoothie)
"M114", // 10
"T1",
"G92 E10", // set the extrusion after switch (for smoothie)
"G1 E20", // a second extrusion without changing back to T0
"T0", // the 'no move' switch back to T0
"G92 E20", // set the extrusion after switch (for smoothie)
"M114",
"G1 E30", // extrude on T0
"G1 X11 Y11 Z11", // go to the position requested
};
Assert.AreEqual(expectedLines, sentLines);
}
public async Task ToolChangeWithCoolDown()
{
var printer = ToolChangeTests.CreatePrinter();
// set cool down temp and time so the extruder will do a cool down on switch
printer.Settings.SetValue(SettingsKey.inactive_cool_down, $"{30}");
printer.Settings.SetValue(SettingsKey.seconds_to_reheat, $"{1}");
// Collect gcode sent through stream processors
var sentLines = await printer.RunSimulatedPrint(
@"T0
; tell the printer to heat up
M104 T1 S240 ; start with T0 to test smoothie temp change code
M104 T0 S230
; send some movement commands with tool switching
; the printer is moving normally
G1 X10 Y10 Z10 E0 F2500
T1
G1 X20 Y10 Z10 E10 F10 ; a long move with extrusion, will need to cool T0
T0
G1 X30 Y10 Z10 E10 F10 ; a long move with extrusion, will need to cool T1
T1
G1 X10 Y10 Z10 E0" );
// Validate
var expectedLines = new string[]
{
"M114",
"T0",
"M114",
"M104 T1 S240", // T1 to 240
"T0",
"M114",
"M104 T1 S240",
"T0",
"M114",
"M104 T0 S230", // T0 to 230
"G1 X10 Y10 Z10 F2500",
"G1 Y111",
"M114",
"M104 T0 S200", // T0 to cool down temp
"T0",
"M114",
"T1",
"M114",
"M104 T1 S240",
"G1 Y222",
"M114",
"G1 X19 Y8 F3000",
"G1 Z7 F315",
"G1 F2500",
"G1 E10 F10",
"G1 X111",
"M114",
"M104 T1 S210",
"T1",
"M114",
"T0",
"M114",
"M104 T0 S230",
"G1 X222",
"M114",
"G1 X30 Y10 F3000",
"G1 Z10 F315",
"G1 F10",
"G1 E10",
"G1 Y111",
"M114",
"M104 T0 S0",
"T0",
"M114",
"T1",
"M114",
"M104 T1 S240", // T1 back up to 240
"G1 Y222",
"M114",
"G1 X9 Y8 F3000",
"G1 Z7 F315",
"G1 F10",
"G1 E0",
};
Assert.AreEqual(expectedLines, sentLines);
}