- Expose TEMP_MODEL_fS and TEMP_MODEL_LAG as D and L respectively,
initializing the default values based on the previous hard-coded
values.
- Always round L to the effective sample lag to future-proof model
upgrades or changes (the stored value _is_ the effective value).
- Introduce UV as a new linear term for PTC heaters, defaulting
to an identity for model backward-compatibility.
Allow running the model checking during autotuning, with the only
exception being the parameter estimation stage where we alter the same
value which is used by the checker (done to conserve memory/code).
With previous changes the model checker will disable/enable itself when
passing through an unavailable R vector entry, allowing to start the
calibration by checking only the stages where the part fan is disabled.
The C/R0 values should be stable enough to provide a fail-safe mechanism
for printers of the same variant right from the factory.
We already disable the heaters upon entering, and the new temperature
isr doesn't perform any direct movement until we return to the main
loop.
This allows us to remove direct control of the soft_pwm interrupt from
the header, which is dangerous.
Do not allow resuming until all thermal and fan errors are clear.
Call the appropriate resume function when resuming a printing depending
on the saved_print state (is saved_print is available, then we always
need to resume from the saved state even when printing via usb).
Clear the Stopped state when resuming, so that commands can be accepted
again.
Calibrate C/R values via univariate minimization using golden section.
This is done in several passes:
- Bootstrap C by setting an initial high R value
- Calibrate R at the requested working temperature
- Cooldown
- Refine C to the final value
- Estimate R losses for a subset of fan speeds
- Interpolate remaining values to speed-up the process
This results in robust values which are tailored to the current
filtering constants, and avoid having to sample for an extended
time to reach the required resolution.
The refining pass could avoid cooldown if the recording buffer was at
least twice as large, so that we could record both the heating and the
steady-state, saving _considerable_ time.
This currently bypasses the ConfigurationStore, which doesn't fit the
malin model nicely.
temp_model is using it's own private copy directly.
But maybe we should change this in the future.
- Allow all parameters to be changed at runtime through M310
- Move the model prototypes into a separate temp_model.h header
- Allow the checked to be enabled/disabled at runtime
- Introduce a warning threshold
Setting pid_tuning_finished can result in the heaters stuck to full
power. As a result, we need to ensure that when PID management is
disabled, heaters are also.
Split off setIsrTargetTemperatures and temp_mgr_pid() so that we can
propagate the target temperatures instantaneously down the pid/pwm chain
during emergencies.
This reduces the amount of code in disable_heater() itself, making it
a bit more maintenable.
The bed still isn't disabled on-the-spot yet, due to the heatbed_pwm
automaton. To be improved later.
Use a new low-priority "temp_mgr_isr" running at constant rate for
temperature management.
This is done so that the temperatures are sampled at a constant
independent interval *and* with reduced jitter. Likewise for actual
PID management.
This will require further adjustment for the min/max/runaway display,
which cannot be done directly into this function anymore (the code will
need to disable heaters but flag for display to be handled in
manage_heaters).
Partially revert previous change: cancelling a single loop would often
advance the gcode stream to the next wait-for loop if executed at the
beginning of an SD print, implicitly turning off the flag again.
Cancel the loop directly in UnconditionalStop() which stops the command
queue as well in an atomic way, handling this correctly.
Remove most of the duplicated code inside temp_runaway_stop(),
making it identical to the other temperature handlers.
Move the lower-level functions required to stop the entirety of the
machine into UnconditionalStop(). Reuse this function inside
lcd_print_stop().
Set the LCD alert message before calling Stop(), as done in other safety
handlers, so that the error is visible while the printer is stopping.
This also avoids other temporary status messages to appear before
the real issue is shown and/or STEALING the first CRITICAL alert
level before we do.
* MK3S IR sensor detection and safe operational range fix
* debug, change of fsensor_IR_check behavior
* more doc + disable debug print voltage
* fix displaying MSG_04_OR_NEWER and MSG_03.... kudos to @ovariludovit
* better handling of fsensor not responding scenario
