Druid Firmware
Release status: Beta
| Description | Dedicated Firmware that currently runs only on Flashforge CoreBoard (All revisions)
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Druid firmware is a dedicated 3D printer firmware that currently runs only on Flashforge CoreBoard (all Revisions).
Printer that uses this controller:
Flashforge: Dreamer, Dreamer NX and Inventor. Dremel: 3D20. Powerspec: Ultra 3D. Monoprice: Inventor 1.
The firmware is currently in it's Beta testing phase.
Currently supported Gcodes: (Partial list)
"G" Codes
G0,G1 - Coordinated Movement X Y Z E. G2 - CW ARC. G3 - CCW ARC. G4 - Dwell S<seconds> or P<milliseconds> G6 - Direct stepping moves. G20 - Set input units to inches. G21 - Set input units to millimeters. G27 - Park Nozzle. G28 - Home one or more axis. G90 - Use Absolute Coordinates. G91 - Use Relative Coordinates.
"M" Codes
M0,M1 - Unconditional stop - Wait for user interaction on LCD.
M17 - Enable/Power all stepper motors.
M18,M84 - Disable all stepper motors, until next move.
M20 - List SD card.
M21 - Mount SD card.
M22 - Release SD card.
M75 - Start the print job timer.
M76 - Pause the print job timer.
M77 - Stop the print job timer.
M82 - Set Extruder(s) to Absolute (default).
M83 - Set Extruder(s) to Relative.
M85 - Set inactivity shutdown timer S<seconds>. 0=Disable.
M92 - Set steps_per_mm for one or more axes.
M104 - Set extruder target temperature.
M105 - Report current temperatures.
M106 - Set print fan speed.
M107 - Print fan off.
M115 - Report capabilities.
M117 - Display a message on the controller screen.
M118 - Display a message in the host console.
M119 - Report endstops status.
M120 - Enable endstops detection.
M121 - Disable endstops detection.
M220 - Set Feedrate Percentage: "M220 S<percent>"
M221 - Set Flow Percentage: M221 S<percent>
M250,M256 - Set LCD brightness & contrast: B< -100 to 100 >
C< -100 to 100 > (0 = disabled and default)
M300 - Play beep sound S<frequency Hz> P<duration ms>
M301 - Set PID parameters P I and D.
M302 - Set the minimum extrude S<temperature>, to avoid cold extrusion.
M303 - PID autotune - sets the parameters needed to perform autotune,
for a specific heater and material (New).
M304 - Set bed PID parameters P I and D.
M309 - Set chamber PID parameters P I and D.
M400 - Finish all moves.
M410 - Abort all planned moves.
M412 - Enable / Disable Filament Runout Detection.
M500 - Write parameters in next flash subdivision. (Note 1)
M501 - Read parameters from current flash subdivision.
( Automatically done at every boot )
M502 - Revert all parameters to the default "factory settings"
and write it in next flash subdivision.
M503 - List the current settings (in memory).
M504 - List divergence between parameters in the current save and memory
M510 - Lock Printer
M511 - Unlock Printer
M512 - Set/Change/Remove Password
M524 - Abort the current SD print job started with M24.
M575 - Change the serial baud rate.
M907 - Set motor current using axis codes.
M995 - Touch screen calibration.
"T" Codes
T0-T1 - Select an extruder(tool) by index: "T<n> F<units/min>"
Note 1.
Because of the small size for parameter storage (512 bytes), a 128K flash memory sector is used as permanent storage.
The sector can be partially written 256 times (512 bytes per backup) before requiring a complete sector wipe,
to restart the same process again. (That was 1 write cycle). The flash memory maximum write cycles guaranteed for the
STM32F407 MCU by ST Microelectronics are 10000, yielding a total of 2.56 million times parameters can be saved.
