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> if both set (then S will be used, P will be omitted). G5 - Cubic B-spline with XYZE destination and IJPQ offsets. G6 - Direct stepping moves. G20 - Set input units to inches. G21 - Set input units to millimeters. G27 - Park Nozzle. G28 - Home one or more axes. G90 - Use Absolute Coordinates. G91 - Use Relative Coordinates.
"M" Codes
M0,M1 - Unconditional stop - Wait for user to press <CONTINUE> on the 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 with parameter S<seconds>. 0=Disable (default). 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. M300 - Play beep sound S<frequency Hz> P<duration ms> M301 - Set PID parameters P I and D. M302 - Set the minimum extrude temperature, to avoid cold extrusion. S<temperature>. M303 - PID autotune - sets the parameters needed to perform autotune, for a specific heater and temperature range (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 store in next flash subdivision. M503 - List the current settings (in 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.
