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84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
/**
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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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uint8_t case_light_brightness = CASE_LIGHT_DEFAULT_BRIGHTNESS;
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bool case_light_on = CASE_LIGHT_DEFAULT_ON;
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#if ENABLED(CASE_LIGHT_USE_NEOPIXEL)
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#include "leds/leds.h"
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LEDColor case_light_color =
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#ifdef CASE_LIGHT_NEOPIXEL_COLOR
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CASE_LIGHT_NEOPIXEL_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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/**
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* The following are needed because ARM chips ignore a "WRITE(CASE_LIGHT_PIN,x)" command to the pins that
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* are directly controlled by the PWM module. In order to turn them off the brightness level needs to be
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* set to off. Since we can't use the pwm register to save the last brightness level we need a variable
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* to save it.
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*/
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uint8_t case_light_brightness_sav; // saves brighness info so can restore when "M355 S1" received
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bool case_light_arg_flag; // flag to notify if S or P argument type
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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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if (!(case_light_arg_flag && !case_light_on))
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case_light_brightness_sav = case_light_brightness; // save brightness except if this is an S0 argument
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if (case_light_arg_flag && case_light_on)
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case_light_brightness = case_light_brightness_sav; // restore last brightens if this is an S1 argument
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const uint8_t i = case_light_on ? case_light_brightness : 0, n10ct = INVERT_CASE_LIGHT ? 255 - i : i;
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#if ENABLED(CASE_LIGHT_USE_NEOPIXEL)
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leds.set_color(
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MakeLEDColor(case_light_color.r, case_light_color.g, case_light_color.b, case_light_color.w, n10ct),
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false
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);
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#else // !CASE_LIGHT_USE_NEOPIXEL
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SET_OUTPUT(CASE_LIGHT_PIN);
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if (USEABLE_HARDWARE_PWM(CASE_LIGHT_PIN))
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analogWrite(CASE_LIGHT_PIN, n10ct);
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else {
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const bool s = case_light_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_USE_NEOPIXEL
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}
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#endif // HAS_CASE_LIGHT
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