p1s heatsoak gcoe
# https://klipper.discourse.group/t/interruptible-heat-soak/1552
[gcode_macro HEAT_SOAK]
description: heats the bed for a while

variable_target_temp: 0
variable_stage: None ## heating -> soaking -> done -> None

## in seconds
variable_check_interval: 10
variable_soak_time_remaining: 0
variable_total_time_elapsed: 0
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gcode:
    {% set TARGET = params.TARGET | default(0) | float %}
    {% set DURATION = (params.DURATION | default(5) | int) * 60 %} ## minutes to seconds

    SET_GCODE_VARIABLE MACRO=HEAT_SOAK VARIABLE=target_temp         VALUE={ TARGET }
    SET_GCODE_VARIABLE MACRO=HEAT_SOAK VARIABLE=stage               VALUE="'heating'"
    SET_GCODE_VARIABLE MACRO=HEAT_SOAK VARIABLE=soak_time_remaining VALUE={ DURATION }
    SET_GCODE_VARIABLE MACRO=HEAT_SOAK VARIABLE=total_time_elapsed  VALUE=0

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    ;; fire up the heater
    SET_HEATER_TEMPERATURE HEATER=heater_bed TARGET={ TARGET }

    ;; run the fan to circulate air
    _SET_FAN_SPEED PERCENT=50

    ;; put the bed and nozzle where they're a safe distance apart
    G28
    CENTER

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    M84 ;; turn off steppers

    UPDATE_DELAYED_GCODE ID=heat_soaker DURATION={ check_interval }

[gcode_macro CANCEL_HEAT_SOAK]
description: cancels an in-progress HEAT_SOAK cycle
gcode:
    SET_GCODE_VARIABLE MACRO=HEAT_SOAK VARIABLE=stage VALUE="'cancel'"
    UPDATE_DELAYED_GCODE ID=heat_soaker DURATION=1

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[delayed_gcode heat_soaker]
; ## debug
; { action_respond_info( printer['gcode_macro HEAT_SOAK'] | tojson )}
gcode:
    {% set heat_soak = printer['gcode_macro HEAT_SOAK'] %}

    ## update total time elapsed
    {% set total_time_elapsed = heat_soak.total_time_elapsed + heat_soak.check_interval %}
    SET_GCODE_VARIABLE MACRO=HEAT_SOAK VARIABLE=total_time_elapsed VALUE={ total_time_elapsed }

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    {% set stage = heat_soak.stage %}
    {% if stage == "heating" and printer.heater_bed.temperature >= heat_soak.target_temp %}
        {% set stage = "soaking" %}
    {% endif %}

    {% if stage == "soaking" %}
        ## update soak countdown
        {% set soak_time_remaining = [heat_soak.soak_time_remaining - heat_soak.check_interval, 0] | max %}
        SET_GCODE_VARIABLE MACRO=HEAT_SOAK VARIABLE=soak_time_remaining VALUE={ soak_time_remaining }

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        {% if soak_time_remaining == 0 %}
            {% set stage = "done" %}
        {% endif %}
    {% endif %}

    SET_GCODE_VARIABLE MACRO=HEAT_SOAK VARIABLE=stage VALUE="'{ stage }'"

    {% if stage in ("done", "cancel") %}

        {% if stage == "cancel" %}
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            {% set stage = "done" %}
            TURN_OFF_HEATERS
            M107 ; turn off fan

            M117 { "soak cancelled after ~%.1fm" | format(total_time_elapsed / 60.0) }
        {% else %}
            M117 { "soak complete after %.1fm" | format(total_time_elapsed / 60.0) }
        {% endif %}

        ## reset all state vars, except stage, which may be queried via the api
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        SET_GCODE_VARIABLE MACRO=HEAT_SOAK VARIABLE=target_temp         VALUE=0
        SET_GCODE_VARIABLE MACRO=HEAT_SOAK VARIABLE=soak_time_remaining VALUE=0
        SET_GCODE_VARIABLE MACRO=HEAT_SOAK VARIABLE=total_time_elapsed  VALUE=0

    {% else %}

        {% if total_time_elapsed % 90 == 0 %}
            ## output status periodically
            {% if stage == "heating" %}
                M117 { "heating -- %.1fm elapsed" | format(total_time_elapsed / 60.0) }
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            {% elif stage == "soaking" %}
                M117 { "soaking -- %.1fm remaining" | format(soak_time_remaining / 60.0) }
            {% endif %}
        {% endif %}

        ## trigger ourselves again
        UPDATE_DELAYED_GCODE ID=heat_soaker DURATION={ heat_soak.check_interval }

        ## dwell for 1ms to prevent from going idle
        G4 P1
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    {% endif %}
p1s heatsoak gcoe