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GCodes.md

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Implemented G Codes

G Codes

  • G0 - Same as G1
  • G1 - Coordinated Movement of X Y Z E
  • G2 - Clockwise ARC
  • G3 - Counter-Clockwise ARC
  • G4 - Dwell S[seconds] or P[milliseconds]
  • G10 - retract filament according to settings of M207
  • G11 - retract recover filament according to settings of M208
  • G28 - Home all Axis
  • G29 - Detailed Z-Probe, probes the bed at 3 points. You must be at the home position for this to work correctly.
  • G30 - Single Z Probe, probes bed at current XY location.
  • G90 - Use Absolute Coordinates
  • G91 - Use Relative Coordinates
  • G92 - Set current position to cordinates given

M Codes

  • M17 - Enable/Power all stepper motors
  • M18 - 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)
  • 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 when printing from SD card)
  • 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.
  • M82 - Set E codes absolute (default)
  • M83 - Set E codes relative while in Absolute Coordinates (G90) mode
  • M84 - Disable steppers until next move
  • M92 - Set axis_steps_per_unit - same syntax as G92
  • 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
  • M112 - Emergency stop
  • M114 - Output current position to serial port
  • M115 - Capabilities string
  • M117 - display message
  • M119 - Output Endstop status to serial port
  • M120 - Disable endstops
  • M121 - Enable endstops
  • 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
  • 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)
  • M203 - Set maximum feedrate that your machine can sustain (M203 X200 Y200 Z300 E10000) in mm/sec
  • M204 - Set default acceleration: S normal moves T filament only moves (M204 S3000 T7000) 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
  • 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 - S[factor in percent] - set extrude factor override percentage
  • M226 - Wait until the specified pin reaches the state required
  • M240 - Trigger a camera to take a photograph
  • M250 - Set LCD contrast value
  • 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)
  • M304 - Set bed PID parameters P I and D
  • M400 - Finish all moves
  • 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)
  • M600 - Pause for filament change X[pos] Y[pos] Z[relative lift] E[initial retract] L[later retract distance for removal]
  • M700 - Level Plate
  • M701 - Load Filament
  • M702 - Unload Filament
  • M703 - Get Board Type
  • M710 - Erase the EEPROM and reset the board
  • M800 - Fire start print procedure
  • M801 - Fire end print procedure
  • M907 - Set digital trimpot motor current using axis codes.
  • M908 - Control digital trimpot directly.
  • M928 - Start SD logging (M928 filename.g) - ended by M29
  • M999 - Restart after being stopped by error