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Option to disable z and/or xy homing #22

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Option to disable z and/or xy homing #22

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8fc4bd3
Option to disable z homing
johnboiles Oct 5, 2019
6a84cec
Option to disable xy homing
johnboiles Jan 17, 2020
e29aa02
Option to disable z homing
johnboiles Oct 5, 2019
2b016b2
Option to disable xy homing
johnboiles Jan 17, 2020
dd4a336
Merge pull request #1 from johnboiles/disable-homing-xy
johnboiles Mar 30, 2024
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14 changes: 10 additions & 4 deletions OpenbuildsGRBL.cps
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,8 @@ properties =
spindleTwoDirections : false, // true : spindle can rotate clockwise and counterclockwise, will send M3 and M4. false : spindle can only go clockwise, will only send M3
hasCoolant : false, // true : machine uses the coolant output, M8 M9 will be sent. false : coolant output not connected, so no M8 M9 will be sent
hasSpeedDial : true, // true : the spindle is of type Makita RT0700, Dewalt 611 with a Dial to set speeds 1-6. false : other spindle
shouldHomeZ : true, // true : the machine should go to a specific z coordinate at start and end of gcode
shouldHomeXY : true, // true : the machine should go to a specific xy coordinate at end of gcode
machineHomeZ : -10, // absolute machine coordinates where the machine will move to at the end of the job - first retracting Z, then moving home X Y
machineHomeX : -10,
machineHomeY : -10
Expand All @@ -60,6 +62,8 @@ propertyDefinitions =
spindleTwoDirections: {title: "Bidirectional Spindle", description: "True if the spindle can rotate clockwise and counterclockwise, will send M3 and M4. False if the spindle can only go clockwise, will only send M3.", type: "boolean"},
hasCoolant: {title: "Has Coolant", description: "True if the machine uses the coolant output (M8 M9 will be sent). False if the coolant output not connected.", type: "boolean"},
hasSpeedDial: {title: "Has Speed Dial", description: "True if the spindle is of type Makita RT0700, Dewalt 611 with a Dial to set speeds 1-6.", type: "boolean"},
shouldHomeZ: {title: "Use Z Home Position", description: "True if the machine should go to a specific z coordinate at start and end of gcode.", type: "boolean"},
shouldHomeXY: {title: "Use XY Home Position", description: "True if the machine should go to a specific xy coordinate at end of gcode.", type: "boolean"},
machineHomeZ: {title: "Z Home Position", description: "Absolute machine coordinates where the machine will move to at the end of the job - first retracting Z, then moving home X Y", type: "number"},
machineHomeX: {title: "X Home Position", description: "Absolute machine coordinates where the machine will move to at the end of the job - first retracting Z, then moving home X Y", type: "number"},
machineHomeY: {title: "Y Home Position", description: "Absolute machine coordinates where the machine will move to at the end of the job - first retracting Z, then moving home X Y", type: "number"},
Expand Down Expand Up @@ -299,7 +303,7 @@ function onSection()
if(isFirstSection())
{
writeBlock(gAbsIncModal.format(90)); // Set to absolute coordinates
if (isMilling())
if (isMilling() && properties.shouldHomeZ)
{
writeBlock(gFormat.format(53), gMotionModal.format(0), "Z" + xyzFormat.format(properties.machineHomeZ)); // Retract spindle to Machine Z Home
}
Expand Down Expand Up @@ -458,7 +462,7 @@ function onSectionEnd()
function onClose()
{
writeBlock(gAbsIncModal.format(90)); // Set to absolute coordinates for the following moves
if (isMilling()) // For CNC we move the Z-axis up, for lasercutter it's not needed
if (isMilling() && properties.shouldHomeZ) // For CNC we move the Z-axis up, for lasercutter it's not needed
{
writeBlock(gAbsIncModal.format(90), gFormat.format(53), gMotionModal.format(0), "Z" + xyzFormat.format(properties.machineHomeZ)); // Retract spindle to Machine Z Home
}
Expand All @@ -468,8 +472,10 @@ function onClose()
writeBlock(mFormat.format(9)); // Stop Coolant
}
onDwell(properties.spindleOnOffDelay); // Wait for spindle to stop
writeBlock(gAbsIncModal.format(90), gFormat.format(53), gMotionModal.format(0), "X" + xyzFormat.format(properties.machineHomeX), "Y" + xyzFormat.format(properties.machineHomeY)); // Return to home position

if (properties.shouldHomeXY)
{
writeBlock(gAbsIncModal.format(90), gFormat.format(53), gMotionModal.format(0), "X" + xyzFormat.format(properties.machineHomeX), "Y" + xyzFormat.format(properties.machineHomeY)); // Return to home position
}
writeBlock(mFormat.format(30)); // Program End
writeln("%"); // EndOfFile marker - GRBL doesn't use it / ignores it, but it's so much tradition, so I left it in..
}
Expand Down