# Implemented G Codes

## G Codes

*  G0  -> G1 except for laser where G0 is "move without firing"
*  G1  - Coordinated Movement X Y Z E F(feedrate) P(Purge), for laser move by firing
*  G2  - CW ARC
*  G3  - CCW ARC
*  G4  - Dwell S[seconds] or P[milliseconds], delay in Second or Millisecond
*  G5  - Bezier curve - from http://forums.reprap.org/read.php?147,93577
*  G7  - Laser raster base64
*  G10 - retract filament according to settings of M207
*  G11 - retract recover filament according to settings of M208
*  G28 - X Y Z Home all Axis. M for bed manual setting with LCD. B return to back point
*  G29 - Detailed Z-Probe, probes the bed at 3 points or grid.  You must be at the home position for this to work correctly.
   G29 Fyyy Lxxx Rxxx Byyy for customer grid.
*  G30 - Single Z Probe, probes bed at current XY location. Bed Probe and Delta geometry Autocalibration G30 A
*  G31 - Dock Z Probe sled (if enabled)
*  G32 - Undock Z Probe sled (if enabled)
*  G60 - Save current position coordinates (all axes, for active extruder). S<SLOT> - specifies memory slot # (0-based) to save into (default 0).
*  G61 - Apply/restore saved coordinates to the active extruder. X Y Z E - Value to add at stored coordinates. F<speed> - Set Feedrate. S<SLOT> - specifies memory slot # (0-based) to restore from (default 0).
*  G90 - Use Absolute Coordinates
*  G91 - Use Relative Coordinates
*  G92 - Set current position to cordinates given

## M Codes
*  M0   - Unconditional stop - Wait for user to press a button on the LCD (Only if ULTRA_LCD is enabled)
*  M1   - Same as M0
*  M3   - S[0-255] Put output in laser beam control
*  M4   - Turn on laser beam
*  M5   - Turn off laser beam
*  M11  - Start/Stop printing serial mode
*  M17  - Enable/Power all stepper motors
*  M18  - Disable all stepper motors; same as M84
*  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  - Make directory
*  M33  - Stop printing, close file and save restart.gcode
*  M34  - Open file and start print
*  M35  - Upload Firmware to Nextion from SD
*  M42  - Change pin status via gcode Use M42 Px Sy to set pin x to value y, when omitting Px the onboard led will be used.
*  M48  - Measure Z_Probe repeatability. M48 [P # of points] [X position] [Y position] [V_erboseness #] [E_ngage Probe] [L # of legs of travel]
*  M70  - Power consumption sensor calibration
*  M80  - Turn on Power Supply
*  M81  - Turn off Power, including Power Supply, if possible
*  M82  - Set E codes absolute (default)
*  M83  - Set E codes relative while in Absolute Coordinates (G90) mode
*  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]. To disable set zero (default)
*  M92  - Set axis_steps_per_unit - same syntax as G92
*  M96  - Print ZWobble value
*  M97  - Set ZWobble parameter M97 A<Amplitude_in_mm> W<period_in_mm> P<phase_in_degrees>
*  M98  - Print Hysteresis value
*  M99  - Set Hysteresis parameter M99 X<in mm> Y<in mm> Z<in mm> E<in mm>
*  M100 - Watch Free Memory (For Debugging Only)
*  M104 - Set hotend target temp
*  M105 - Read current temp
*  M106 - Fan on
*  M107 - Fan off
*  M109 - S[xxx] Wait for hotend current temp to reach target temp. Waits only when heating
        - R[xxx] Wait for hotend current temp to reach target temp. Waits when heating and cooling
*  M110 - Set the current line number
*  M111 - Set debug flags with S<mask>.
*  M112 - Emergency stop
*  M114 - Output current position to serial port
*  M115 - Capabilities string
*  M117 - Display a message on the controller screen
*  M119 - Output Endstop status to serial port
*  M120 - Enable endstop detection
*  M121 - Disable endstop detection
*  M122 - S<1=true/0=false> Enable or disable check software endstop
*  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)
*  M140 - Set hot bed target temp
*  M141 - Set hot chamber target temp
*  M142 - Set cooler target temp
*  M145 - Set the heatup state H<hotend> B<bed> F<fan speed> for S<material> (0=PLA, 1=ABS)
*  M150 - Set BlinkM Color Output R: Red<0-255> U(!): Green<0-255> B: Blue<0-255> over i2c, G for green does not work.
*  M163 - Set a single proportion for a mixing extruder. Requires COLOR_MIXING_EXTRUDER.
*  M164 - Save the mix as a virtual extruder. Requires COLOR_MIXING_EXTRUDER and MIXING_VIRTUAL_TOOLS.
*  M165 - Set the proportions for a mixing extruder. Use parameters ABCDHI to set the mixing factors. Requires COLOR_MIXING_EXTRUDER.
*  M190 - S[xxx] Wait for bed current temp to reach target temp. Waits only when heating
        - R[xxx] Wait for bed current temp to reach target temp. Waits when heating and cooling
*  M191 - Sxxx Wait for chamber current temp to reach target temp. Waits only when heating
*         Rxxx Wait for chamber current temp to reach target temp. Waits when heating and cooling
*  M192 - Sxxx Wait for cooler current temp to reach target temp. Waits only when heating
*         Rxxx Wait for cooler current temp to reach target temp. Waits when heating and cooling
*  M200 - D[millimeters]- set filament diameter and set E axis units to cubic millimeters (use S0 to set back to millimeters).
*  M201 - Set max acceleration in units/s^2 for print moves (M201 X1000 Y1000 Z1000 E0 S1000 E1 S1000 E2 S1000 E3 S1000) in mm/sec^2
*  M203 - Set maximum feedrate that your machine can sustain (M203 X200 Y200 Z300 E0 S1000 E1 S1000 E2 S1000 E3 S1000) in mm/sec
*  M204 - Set Accelerations in mm/sec^2: S printing moves, R Retract moves(only E), T travel moves (M204 P1200 R3000 T2500) im mm/sec^2  also sets minimum segment time in ms (B20000) to prevent buffer underruns and M20 minimum feedrate.
*  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
*  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/min]
*  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.
*  M218 - set hotend offset (in mm): T[extruder_number] X[offset_on_X] Y[offset_on_Y]
*  M220 - S[factor in percent] - set speed factor override percentage
*  M221 - T<extruder> S<factor in percent> - set extrude factor override percentage
*  M222 - T<extruder> S<factor in percent> - set density extrude factor percentage for purge
*  M240 - Trigger a camera to take a photograph
*  M280 - Position an RC Servo P[index] S[angle/microseconds], ommit S to report back current angle
*  M300 - Play beep sound S[frequency Hz] P[duration ms]
*  M301 - Set PID parameters P I and D
*  M302 - Allow cold extrudes
*  M303 - PID relay autotune S<temperature> sets the target temperature (default target temperature = 150C). H<hotend> C<cycles> U<Apply result>
*  M304 - Set hot bed PID parameters P I and D
*  M305 - Set hot chamber PID parameters P I and D
*  M306 - Set cooler PID parameters P I and D
*  M350 - Set microstepping mode.
*  M351 - Toggle MS1 MS2 pins directly.
*  M400 - Finish all moves
*  M401 - Lower z-probe if present
*  M402 - Raise z-probe if present
*  M404 - D[dia in mm] Enter the nominal filament width (3mm, 1.75mm) or will display nominal filament width without parameters
*  M405 - Turn on Filament Sensor extrusion control. Optional D[delay in cm] to set delay in centimeters between sensor and extruder
*  M406 - Turn off Filament Sensor extrusion control
*  M407 - Displays measured filament diameter
*  M408 - Report JSON-style response
*  M410 - Quickstop. Abort all the planned moves
*  M420 - Enable/Disable Mesh Bed Leveling
*  M421 - Set a single Mesh Bed Leveling Z coordinate. M421 X<mm> Y<mm> Z<mm>' or 'M421 I<xindex> J<yindex> Z<mm>
*  M428 - Set the home_offset logically based on the current_position
*  M500 - stores paramters in EEPROM
*  M501 - reads parameters from EEPROM (if you need reset them after you changed them temporarily).
*  M502 - reverts 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)
*  M522 - Use for reader o writer tag width MFRC522. M522 T<extruder> R(read) W(write) L(print list data on tag)
*  M540 - Use S[0|1] to enable or disable the stop SD card print on endstop hit (requires ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED)
*  M595 - Set hotend AD595 offset and gain
*  M600 - Pause for filament change X[pos] Y[pos] Z[relative lift] E[initial retract] L[later retract distance for removal]
*  M605 - Set dual x-carriage movement mode: Smode [ X<duplication x-offset> Rduplication temp offset ]
*  M649 - Set laser options. S<intensity> L<duration> P<ppm> B<set mode> R<raster mm per pulse> F<feedrate>
*  M666 - Set z probe offset or Endstop and delta geometry adjustment. M666 L for list command
*  M906 - Set motor currents XYZ T0-4 E
*  M907 - Set digital trimpot motor current using axis codes.
*  M908 - Control digital trimpot directly.
*  M928 - Start SD logging (M928 filename.g) - ended by M29
*  M997 - NPR2 Color rotate
*  M999 - Restart after being stopped by error
