moved to http://www.marlinfirmware.org/

Documentation/GCodes.md

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-## Implemented G Codes
-
-- [Movement F and M Codes](#movement-g-and-m-codes)
-- [SD Card M Codes](#sd-card-m-codes)
-- [Hardware Control](#hardware-control)
-- [Temperature M Codes](#temperature-m-codes)
-- [Message M Codes](#message-m-codes)
-- [Endstops M Codes](#endstops-m-codes)
-- [Special Features M Codes](#special-features-m-codes)
-- [Units and Measures G and M Codes](#units-and-measures-g-and-m-codes)
-- [Firmware Retraction G and M Codes](#firmware-retraction-g-and-m-codes)
-- [Z Probe G and M Codes](#z-probe-g-and-m-codes)
-- [Filament Diameter M Codes](#filament-diameter-m-codes)
-- [EEPROM Settings M Codes](#eeprom-settings-m-codes)
-- [Delta M Codes](#delta-m-codes)
-- [Stepper Driver M Codes](#stepper-driver-m-codes)
-- [SCARA M Codes](#scara-m-codes)
-- [GCode Comments](#comments)
-
-### Movement G and M Codes
-```
-G0   -> G1
-G1   - Coordinated Movement X Y Z E
-G2   - CW ARC
-G3   - CCW ARC
-G4   - Dwell S[seconds] or P[milliseconds]
-G92  - Set the "current position" to coordinates: X<xpos> Y<ypos> Z<zpos> E<epos>
-M0   - Wait for user, with optional prompt message (requires LCD controller)
-       M0 Click When Ready ; show "Click When Ready" until the button is pressed.
-M1   - Same as M0
-M400 - Finish all moves
-M999 - Restart after being stopped by error
-```
-### SD Card M Codes
-```
-M20  - List SD card
-M21  - Init SD card
-M22  - Release SD card
-M23  - Select SD file (M23 filename.g)
-M24  - Start/resume SD print
-M25  - Pause SD print
-M26  - Set SD position in bytes (M26 S12345)
-M27  - Report SD print status
-M28  - Start SD write (M28 filename.g)
-M29  - Stop SD write
-M30  - Delete file from SD (M30 filename.g)
-M31  - Output time since last M109 or SD card start to serial
-M32  - Select file and start SD print (Can be used _while_ printing from SD card files):
-       syntax "M32 /path/filename#", or "M32 S<startpos bytes> !filename#"
-       Call gcode file : "M32 P !filename#" and return to caller file after finishing (similar to #include).
-       The '#' is necessary when calling from within sd files, as it stops buffer prereading
-M540 - Enable/Disable "Stop SD Print on Endstop Hit" (req. ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED)
-       M540 S<0|1>
-M928 - Start SD logging (M928 filename.g) - ended by M29
-```
-### Hardware Control
-```
-M42  - Change pin status via gcode: P<pin> S<value>. If P is omitted the onboard LED pin will be used.
-       M42 P9 S1 ; set PIN 9 to 1. 
-M80  - Turn on Power Supply
-M81  - Turn off Power Supply
-M84  - Disable steppers until next move,
-       or use S<seconds> to specify an inactivity timeout, after which the steppers will be disabled.  S0 to disable the timeout.
-M85  - Set inactivity shutdown timer with parameter S<seconds>. Disable with "M85" or "M85 S0".
-M112 - Emergency stop. Requires hardware reset!!
-M226 - Wait for a pin to be in some state: P<pin number> S<pin state>
-```
-### Temperature M Codes
-```
-M104 - Set extruder target temp
-M105 - Read current temp
-M106 - Fan on
-M107 - Fan off
-M109 - Sxxx Wait for extruder current temp to reach target temp. Waits only when heating
-       Rxxx Wait for extruder current temp to reach target temp. Waits when heating and cooling
-       IF AUTOTEMP is enabled, S<mintemp> B<maxtemp> F<factor>. Exit autotemp by any M109 without F
-M140 - Set bed target temp
-M190 - Sxxx Wait for bed current temp to reach target temp. Waits only when heating
-       Rxxx Wait for bed current temp to reach target temp. Waits when heating and cooling
-M301 - Set PID parameters P I and D
-M302 - Allow cold extrudes, or set the minimum extrude S<temperature>.
-M303 - PID relay autotune S<temperature> sets the target temperature. (default target temperature = 150C)
-M304 - Set bed PID parameters P I and D
-```
-### Message M Codes
-```
-M114 - Output current position to serial port
-M115 - Capabilities string
-M117 - Display message text on the LCD
-M119 - Output Endstop status to serial port
-```
-### Endstops M Codes
-```
-M120 - Enable endstop detection
-M121 - Disable endstop detection
-```
-### Special Features M Codes
-```
-M126 - Solenoid Air Valve Open (BariCUDA support by jmil)
-M127 - Solenoid Air Valve Closed (BariCUDA vent to atmospheric pressure by jmil)
-M128 - EtoP Open (BariCUDA EtoP = electricity to air pressure transducer by jmil)
-M129 - EtoP Closed (BariCUDA EtoP = electricity to air pressure transducer by jmil)
-M150 - Set BlinkM Color: R<red> U<green> B<blue> via I2C. Range: 0-255
-M240 - Trigger a camera to take a photograph. (Add to your per-layer GCode.)
-M250 - Set LCD contrast: C<0-63>
-M280 - Set servo position absolute. P<servo index> S<angle or microseconds>
-M300 - Play beep sound S<frequency Hz> P<duration ms>
-M380 - Activate solenoid on active extruder
-M381 - Disable all solenoids
-M600 - Pause for filament change X<xpos> Y<ypos> Z<lift> E<initial retract> L<later retract for removal>
-```
-### Units and Measures G and M Codes
-```
-G90  - Use Absolute Coordinates
-G91  - Use Relative Coordinates
-M82  - Set E codes absolute (default)
-M83  - Set E codes relative while in Absolute Coordinates (G90) mode
-M92  - Set axis_steps_per_unit - same syntax as G92
-M200 - Set filament diameter and set E axis units to mm^3 (use S0 to set back to mm).: D<mm>
-M201 - Set max acceleration in units/s^2 for print moves (M201 X1000 Y1000)
-M202 - Set max acceleration in units/s^2 for travel moves (M202 X1000 Y1000) Unused in Marlin!!
-M203 - Set maximum feedrate that your machine can sustain (M203 X200 Y200 Z300 E10000) in mm/sec
-M204 - Set default acceleration: P for Printing moves, R for Retract only (no X, Y, Z) moves and T for Travel (non printing) moves (ex. M204 P800 T3000 R9000) in mm/sec^2
-M205 - Advanced settings: minimum travel speed S=while printing T=travel only, B=minimum segment time X=maximum xy jerk, Z=maximum Z jerk, E=maximum E jerk
-M206 - Set additional homing offset
-M218 - Set hotend offset (in mm): T<extruder_number> X<offset_on_X> Y<offset_on_Y>
-M220 - Set speed factor override percentage: S<factor in percent>
-M221 - Set extrude factor override percentage: S<factor in percent>
-```
-### Firmware Retraction G and M Codes
-```
-G10  - Retract filament according to settings of M207
-G11  - Retract recover filament according to settings of M208
-M207 - Set retract length S[positive mm] F[feedrate mm/min] Z[additional zlift/hop], stays in mm regardless of M200 setting
-M208 - Set recover=unretract length S[positive mm surplus to the M207 S*] F[feedrate mm/s]
-M209 - S<1=true/0=false> enable automatic retract detect if the slicer did not support G10/11: every normal extrude-only move will be classified as retract depending on the direction
-```
-### Z Probe G and M Codes
-```
-G28  - Home all Axis
-G29  - Detailed Z-Probe, probes the bed at 3 or more points. The printer must be homed with G28 before G29.
-G30  - Single Z Probe, probes bed at current XY location.
-G31  - Dock Z Probe sled (if enabled)
-G32  - Undock Z Probe sled (if enabled)
-M48  - Measure Z_Probe repeatability: P<points> X<xpos> Y<ypos> V<verbosity> E=engage L<legs of travel>
-       As with G29, the E flag causes the probe to stow after each probe.
-M401 - Lower Z-probe (if present)
-M402 - Raise Z-probe (if present)
-```
-### Filament Diameter M Codes
-```
-M404 - Set (or display) Nominal Filament Diameter in mm: [N<diameter>] (e.g., 3mm or 1.75mm)
-M405 - Turn on Filament Sensor extrusion control: [D<distance>] to set distance (in cm) from sensor to extruder
-M406 - Turn off Filament Sensor extrusion control
-M407 - Display measured Filament Diameter
-```
-### EEPROM Settings M Codes
-```
-M500 - Store parameters in EEPROM
-M501 - Read parameters from EEPROM (if you need reset them after you changed them temporarily).
-M502 - Revert to the default "factory settings". You still need to store them in EEPROM afterwards if you want to.
-M503 - Print the current settings (from memory not from EEPROM). Use S0 to leave off headings.
-```
-### Delta M Codes
-```
-M665 - Set Delta configurations: L<diagonal rod> R<delta radius> S<segments/s>
-M666 - Set Delta endstop adjustment: X<x-adjustment> Y<y-adjustment> Z<z-adjustment>
-M605 - Set dual x-carriage movement mode: S<mode> [ X<duplication x-offset> R<duplication temp offset> ]
-```
-### Stepper Driver M Codes
-```
-M17  - Enable/Power all stepper motors
-M18  - Disable all stepper motors. (same as M84)
-M907 - Set digital trimpot motor current using axis codes.
-M908 - Control digital trimpot directly.
-M350 - Set microstepping mode.
-M351 - Toggle MS1 MS2 pins directly.
-```
-### SCARA M-Codes
-__May change to suit future G-code standards__
-```
-M360 - SCARA calibration: Move to cal-position ThetaA (0 deg calibration)
-M361 - SCARA calibration: Move to cal-position ThetaB (90 deg calibration - steps per degree)
-M362 - SCARA calibration: Move to cal-position PsiA (0 deg calibration)
-M363 - SCARA calibration: Move to cal-position PsiB (90 deg calibration - steps per degree)
-M364 - SCARA calibration: Move to cal-position PSIC (90 deg to Theta calibration position)
-M365 - SCARA calibration: Scaling factor, X, Y, Z axis
-```
-
-## Comments
-
-Comments start at a `;` (semicolon) and end with the end of the line:
-
-    N3 T0*57 ; This is a comment
-    N4 G92 E0*67
-    ; So is this
-    N5 G28*22
-
-(example taken from the [RepRap wiki](http://reprap.org/wiki/Gcode#Comments))
-
-If you need to use a literal `;` somewhere (for example within `M117`), you can escape semicolons with a `\`
-(backslash):
-
-     M117 Hello \;)
-
-`\` can also be used to escape `\` itself, if you need a literal `\` in front of a `;`:
-
-    M117 backslash: \\;and a comment
-
-Please note that hosts should strip any comments before sending GCODE to the printer in order to save bandwidth.