151 lines
5 KiB
C
151 lines
5 KiB
C
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "../gcode.h"
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#ifndef MIN_COOLING_SLOPE_DEG_BED
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#define MIN_COOLING_SLOPE_DEG_BED 1.50
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#endif
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#ifndef MIN_COOLING_SLOPE_TIME_BED
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#define MIN_COOLING_SLOPE_TIME_BED 60
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#endif
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/**
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* M190: Sxxx Wait for bed current temp to reach target temp. Waits only when heating
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* Rxxx Wait for bed current temp to reach target temp. Waits when heating and cooling
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*/
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void gcode_M190() {
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if (DEBUGGING(DRYRUN)) return;
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LCD_MESSAGEPGM(MSG_BED_HEATING);
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const bool no_wait_for_cooling = parser.seenval('S');
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if (no_wait_for_cooling || parser.seenval('R')) {
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thermalManager.setTargetBed(parser.value_celsius());
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#if ENABLED(PRINTJOB_TIMER_AUTOSTART)
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if (parser.value_celsius() > BED_MINTEMP)
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print_job_timer.start();
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#endif
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}
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else return;
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#if TEMP_BED_RESIDENCY_TIME > 0
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millis_t residency_start_ms = 0;
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// Loop until the temperature has stabilized
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#define TEMP_BED_CONDITIONS (!residency_start_ms || PENDING(now, residency_start_ms + (TEMP_BED_RESIDENCY_TIME) * 1000UL))
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#else
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// Loop until the temperature is very close target
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#define TEMP_BED_CONDITIONS (wants_to_cool ? thermalManager.isCoolingBed() : thermalManager.isHeatingBed())
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#endif
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float target_temp = -1.0, old_temp = 9999.0;
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bool wants_to_cool = false;
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wait_for_heatup = true;
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millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
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#if DISABLED(BUSY_WHILE_HEATING)
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KEEPALIVE_STATE(NOT_BUSY);
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#endif
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gcode.target_extruder = active_extruder; // for print_heaterstates
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#if ENABLED(PRINTER_EVENT_LEDS)
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const float start_temp = thermalManager.degBed();
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uint8_t old_red = 255;
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#endif
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do {
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// Target temperature might be changed during the loop
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if (target_temp != thermalManager.degTargetBed()) {
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wants_to_cool = thermalManager.isCoolingBed();
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target_temp = thermalManager.degTargetBed();
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// Exit if S<lower>, continue if S<higher>, R<lower>, or R<higher>
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if (no_wait_for_cooling && wants_to_cool) break;
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}
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now = millis();
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if (ELAPSED(now, next_temp_ms)) { //Print Temp Reading every 1 second while heating up.
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next_temp_ms = now + 1000UL;
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thermalManager.print_heaterstates();
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#if TEMP_BED_RESIDENCY_TIME > 0
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SERIAL_PROTOCOLPGM(" W:");
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if (residency_start_ms)
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SERIAL_PROTOCOL(long((((TEMP_BED_RESIDENCY_TIME) * 1000UL) - (now - residency_start_ms)) / 1000UL));
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else
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SERIAL_PROTOCOLCHAR('?');
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#endif
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SERIAL_EOL();
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}
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idle();
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gcode.refresh_cmd_timeout(); // to prevent stepper_inactive_time from running out
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const float temp = thermalManager.degBed();
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#if ENABLED(PRINTER_EVENT_LEDS)
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// Gradually change LED strip from blue to violet as bed heats up
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if (!wants_to_cool) {
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const uint8_t red = map(constrain(temp, start_temp, target_temp), start_temp, target_temp, 0, 255);
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if (red != old_red) {
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old_red = red;
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set_led_color(red, 0, 255
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#if ENABLED(NEOPIXEL_RGBW_LED)
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, 0, true
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#endif
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);
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}
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}
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#endif
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#if TEMP_BED_RESIDENCY_TIME > 0
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const float temp_diff = FABS(target_temp - temp);
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if (!residency_start_ms) {
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// Start the TEMP_BED_RESIDENCY_TIME timer when we reach target temp for the first time.
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if (temp_diff < TEMP_BED_WINDOW) residency_start_ms = now;
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}
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else if (temp_diff > TEMP_BED_HYSTERESIS) {
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// Restart the timer whenever the temperature falls outside the hysteresis.
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residency_start_ms = now;
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}
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#endif // TEMP_BED_RESIDENCY_TIME > 0
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// Prevent a wait-forever situation if R is misused i.e. M190 R0
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if (wants_to_cool) {
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// Break after MIN_COOLING_SLOPE_TIME_BED seconds
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// if the temperature did not drop at least MIN_COOLING_SLOPE_DEG_BED
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if (!next_cool_check_ms || ELAPSED(now, next_cool_check_ms)) {
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if (old_temp - temp < MIN_COOLING_SLOPE_DEG_BED) break;
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next_cool_check_ms = now + 1000UL * MIN_COOLING_SLOPE_TIME_BED;
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old_temp = temp;
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}
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}
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} while (wait_for_heatup && TEMP_BED_CONDITIONS);
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if (wait_for_heatup) LCD_MESSAGEPGM(MSG_BED_DONE);
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#if DISABLED(BUSY_WHILE_HEATING)
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KEEPALIVE_STATE(IN_HANDLER);
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#endif
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}
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