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+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * feature/leds/printer_event_leds.h - LED color changing based on printer status
+ */
+
+#include "leds.h"
+#include "../../inc/MarlinConfig.h"
+
+class PrinterEventLEDs {
+private:
+ static uint8_t old_intensity;
+
+ #if HAS_LEDS_OFF_FLAG
+ static bool leds_off_after_print;
+ #endif
+
+ static inline void set_done() {
+ #if ENABLED(LED_COLOR_PRESETS)
+ leds.set_default();
+ #else
+ leds.set_off();
+ #endif
+ }
+
+public:
+ #if HAS_TEMP_HOTEND
+ static inline LEDColor onHotendHeatingStart() { old_intensity = 0; return leds.get_color(); }
+ static void onHotendHeating(const float &start, const float &current, const float &target);
+ #endif
+
+ #if HAS_HEATED_BED
+ static inline LEDColor onBedHeatingStart() { old_intensity = 127; return leds.get_color(); }
+ static void onBedHeating(const float &start, const float &current, const float &target);
+ #endif
+
+ #if HAS_TEMP_HOTEND || HAS_HEATED_BED
+ static inline void onHeatingDone() { leds.set_white(); }
+ static inline void onPidTuningDone(LEDColor c) { leds.set_color(c); }
+ #endif
+
+ #if ENABLED(SDSUPPORT)
+
+ static inline void onPrintCompleted() {
+ leds.set_green();
+ #if HAS_LEDS_OFF_FLAG
+ leds_off_after_print = true;
+ #else
+ safe_delay(2000);
+ set_done();
+ #endif
+ }
+
+ static inline void onResumeAfterWait() {
+ #if HAS_LEDS_OFF_FLAG
+ if (leds_off_after_print) {
+ set_done();
+ leds_off_after_print = false;
+ }
+ #endif
+ }
+
+ #endif // SDSUPPORT
+};
+
+extern PrinterEventLEDs printerEventLEDs;