111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 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 <https://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 ENABLED(CASE_LIGHT_ENABLE)
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#include "caselight.h"
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CaseLight caselight;
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#if CASE_LIGHT_IS_COLOR_LED
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#include "leds/leds.h"
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#endif
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#if CASELIGHT_USES_BRIGHTNESS && !defined(CASE_LIGHT_DEFAULT_BRIGHTNESS)
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#define CASE_LIGHT_DEFAULT_BRIGHTNESS 0 // For use on PWM pin as non-PWM just sets a default
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#endif
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#if CASELIGHT_USES_BRIGHTNESS
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uint8_t CaseLight::brightness = CASE_LIGHT_DEFAULT_BRIGHTNESS;
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#endif
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bool CaseLight::on = CASE_LIGHT_DEFAULT_ON;
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#if CASE_LIGHT_IS_COLOR_LED
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LEDColor CaseLight::color =
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#ifdef CASE_LIGHT_DEFAULT_COLOR
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CASE_LIGHT_DEFAULT_COLOR
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#else
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{ 255, 255, 255, 255 }
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#endif
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;
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#endif
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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 CaseLight::update(const bool sflag) {
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#if CASELIGHT_USES_BRIGHTNESS
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/**
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* The brightness_sav (and sflag) is needed because ARM chips ignore
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* a "WRITE(CASE_LIGHT_PIN,x)" command to the pins that are directly
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* controlled by the PWM module. In order to turn them off the brightness
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* level needs to be set to OFF. Since we can't use the PWM register to
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* save the last brightness level we need a variable to save it.
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*/
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static uint8_t brightness_sav; // Save brightness info for restore on "M355 S1"
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if (on || !sflag)
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brightness_sav = brightness; // Save brightness except for M355 S0
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if (sflag && on)
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brightness = brightness_sav; // Restore last brightness for M355 S1
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const uint8_t i = on ? brightness : 0, n10ct = INVERT_CASE_LIGHT ? 255 - i : i;
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#endif
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#if CASE_LIGHT_IS_COLOR_LED
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leds.set_color(
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MakeLEDColor(color.r, color.g, color.b, color.w, n10ct),
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false
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);
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#else // !CASE_LIGHT_IS_COLOR_LED
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#if CASELIGHT_USES_BRIGHTNESS
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if (pin_is_pwm())
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analogWrite(pin_t(CASE_LIGHT_PIN), (
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#if CASE_LIGHT_MAX_PWM == 255
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n10ct
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#else
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map(n10ct, 0, 255, 0, CASE_LIGHT_MAX_PWM)
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#endif
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));
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else
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#endif
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{
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const bool s = on ? !INVERT_CASE_LIGHT : INVERT_CASE_LIGHT;
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WRITE(CASE_LIGHT_PIN, s ? HIGH : LOW);
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}
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#endif // !CASE_LIGHT_IS_COLOR_LED
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#if ENABLED(CASE_LIGHT_USE_RGB_LED)
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if (leds.lights_on) leds.update(); else leds.set_off();
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#endif
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}
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#endif // CASE_LIGHT_ENABLE
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