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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/>.
- *
- */
-
- /**
- * feature/leds/printer_event_leds.cpp - LED color changing based on printer status
- */
-
- #include "../../inc/MarlinConfigPre.h"
-
- #if ENABLED(PRINTER_EVENT_LEDS)
-
- #include "printer_event_leds.h"
-
- PrinterEventLEDs printerEventLEDs;
-
- #if HAS_LEDS_OFF_FLAG
- bool PrinterEventLEDs::leds_off_after_print; // = false
- #endif
-
- #if HAS_TEMP_HOTEND || HAS_HEATED_BED
-
- uint8_t PrinterEventLEDs::old_intensity = 0;
-
- inline uint8_t pel_intensity(const float &start, const float ¤t, const float &target) {
- if (uint16_t(start) == uint16_t(target)) return 255;
- return (uint8_t)map(constrain(current, start, target), start, target, 0.f, 255.f);
- }
-
- inline void pel_set_rgb(const uint8_t r, const uint8_t g, const uint8_t b) {
- leds.set_color(
- MakeLEDColor(r, g, b, 0, neo.brightness())
- #if ENABLED(NEOPIXEL_IS_SEQUENTIAL)
- , true
- #endif
- );
- }
-
- #endif
-
- #if HAS_TEMP_HOTEND
-
- void PrinterEventLEDs::onHotendHeating(const float &start, const float ¤t, const float &target) {
- const uint8_t blue = pel_intensity(start, current, target);
- if (blue != old_intensity) {
- old_intensity = blue;
- pel_set_rgb(255, 0, 255 - blue);
- }
- }
-
- #endif
-
- #if HAS_HEATED_BED
-
- void PrinterEventLEDs::onBedHeating(const float &start, const float ¤t, const float &target) {
- const uint8_t red = pel_intensity(start, current, target);
- if (red != old_intensity) {
- old_intensity = red;
- pel_set_rgb(red, 0, 255);
- }
- }
- #endif
-
- #endif // PRINTER_EVENT_LEDS
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