This change restores the minimum extruder height for filament purge
during M600 from the current 50mm back to 27mm from FW 3.9.
We do this by introducing a new option for unload_filament() to indicate
that the unload is part of an automatic swap, and in such cases avoid
raising more than absolutely necessary (this will _also_ come in handy
to avoid the extra purge in PR #2318 during M600).
A new define MIN_Z_FOR_SWAP is introduced for this purpose.
MIN_Z_FOR_UNLOAD is still used for manual lcd unload and for M702 and
hasn't been changed.
If the printer was already being pre-heated but didn't reach the target
temperature yet and a new filament is being inserted, the LCD used to
display a "Preheating to load" message to block the loading until the
extruder is hot.
This message is currently missing, and the ">Cancel" option doesn't
display immediately either, depending on the extruder height.
This PR fixes this behavior, which was broken during an earlier update.
We now force-update LCD updates during the first (and _only_) time the
screen is setup, and push all messages _before_ the carriage is
eventually raised, so that ">Cancel" is shown immediately as well.
Attempt to workaround the M73 C0|D0 visual issue
This is an attempt to enable alternation of time to print finish and time
to color change even in the last minute of time to color change, i.e. be
able to print "0:00C".
The proposed solution leverages the capability of the current FW to read
float values from the C|D parameter. This could have the raw benefit of
being able still to alternate this time on the LCD as "0:00C" (or
"<1min") if the slicer sends a non-zero but <1 time right before the
color change.
Co-authored-by: D.R.racer <drracer@drracer.eu>
Co-authored-by: 3d-gussner <3d.gussner@gmail.com>
Instead of resetting the encoder status when homing or leveling, simply
exit the move/liveZ menu.
When transitioning from idle->printing, axis move shouldn't be allowed
as it would insert moves during a print. This is always wrong.
The menu must be always dismissed. Instead of checking all places where
the menu could be active, automatically dimiss the menu from within
_lcd_move when homing/MBL is happening. The long-push function and the
settings menu checks if "axis move" is possible, and thus
prevent the user to re-enter the menu already.
When doing the first layer calibration, the _lcd_babystep_z is
automatically brought back after MBL has completed.
Technically we should do the same when entering/exiting the paused state
in _lcd_move. However, it's better to dismiss _any_ menu in
stop_and_save_print_to_ram/restore_print_from_ram_and_continue instead.
To be done later...
Move axis queues movements, which disrupts a normal print, homing (when
XY is combined) or MBL.
Likewise, "Disable steppers" only makes sense when the printer is fully
idle.
Only allow such actions when the printer is not active and/or in the
paused state.
Further restrict babystep insertion when the lcd_update is enabled by
toggling homing_flag when probing Z (where Z shouldn't be touched
anyway as it would disrupt the measurement)
Also reset the encoder value during mesh leveling.
User can en/disable the fan check during print. This is very useful in case of false positive
fan errors to let the user to decide to finish print with "faulty" fan.
Another request from our Service dept. - the user shall be prevented
from skipping the intro wizard, because otherwise some preset/calibrated
features will look like not done - especially live-z calibration.
And since there are users, who send a machine to service to perform 1st
layer calibration only, they must not omit the Z-calibration at the
start after shipping.
- If `M73` `R,S,C,D` values set the LCD Info screen clock switchs between Remaining and Change time
- If Remaining time is 0 while Change time is >0 the clock switchs between Change time and actual printing time
- If Change is 0 while Remaining time is >0 the clock shows the Remaining time
- If both are 0 the clock shows the actual printing time
- `M73 C` values are shown in "Normal" mode
- `M73 D` values are shown in "Stealth" mode
- Changing the speed will try to calculate the espected times and show `?` behind `R` or `C`
