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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/>.
*
*/
/**
* Marlin RGB LED general support
*/
#include "../../inc/MarlinConfig.h"
#if ENABLED(TEMP_STAT_LEDS)
#include "tempstat.h"
#include "../../module/temperature.h"
void handle_status_leds() {
static int8_t old_red = -1; // Invalid value to force LED initialization
static millis_t next_status_led_update_ms = 0;
if (ELAPSED(millis(), next_status_led_update_ms)) {
next_status_led_update_ms += 500; // Update every 0.5s
float max_temp = TERN0(HAS_HEATED_BED, _MAX(thermalManager.degTargetBed(), thermalManager.degBed()));
HOTEND_LOOP()
max_temp = _MAX(max_temp, thermalManager.degHotend(e), thermalManager.degTargetHotend(e));
const int8_t new_red = (max_temp > 55.0) ? HIGH : (max_temp < 54.0 || old_red < 0) ? LOW : old_red;
if (new_red != old_red) {
old_red = new_red;
#if PIN_EXISTS(STAT_LED_RED)
WRITE(STAT_LED_RED_PIN, new_red);
#endif
#if PIN_EXISTS(STAT_LED_BLUE)
WRITE(STAT_LED_BLUE_PIN, !new_red);
#endif
}
}
}
#endif // TEMP_STAT_LEDS
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