47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
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/**
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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 "../inc/MarlinConfig.h"
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#if HAS_CASE_LIGHT
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int case_light_brightness = CASE_LIGHT_DEFAULT_BRIGHTNESS;
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bool case_light_on = CASE_LIGHT_DEFAULT_ON;
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#ifndef INVERT_CASE_LIGHT
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#define INVERT_CASE_LIGHT false
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#endif
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void update_case_light() {
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SET_OUTPUT(CASE_LIGHT_PIN);
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uint8_t case_light_bright = (uint8_t)case_light_brightness;
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if (case_light_on) {
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if (USEABLE_HARDWARE_PWM(CASE_LIGHT_PIN)) {
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analogWrite(CASE_LIGHT_PIN, INVERT_CASE_LIGHT ? 255 - case_light_brightness : case_light_brightness );
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}
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else WRITE(CASE_LIGHT_PIN, INVERT_CASE_LIGHT ? LOW : HIGH);
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}
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else WRITE(CASE_LIGHT_PIN, INVERT_CASE_LIGHT ? HIGH : LOW);
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}
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#endif // HAS_CASE_LIGHT
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