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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2019 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 <http://www.gnu.org/licenses/>.
- *
- */
-
- #include "../inc/MarlinConfig.h"
-
- #if HAS_CASE_LIGHT
-
- uint8_t case_light_brightness = CASE_LIGHT_DEFAULT_BRIGHTNESS;
- bool case_light_on = CASE_LIGHT_DEFAULT_ON;
-
- #if ENABLED(CASE_LIGHT_USE_NEOPIXEL)
- #include "leds/leds.h"
- LEDColor case_light_color =
- #ifdef CASE_LIGHT_NEOPIXEL_COLOR
- CASE_LIGHT_NEOPIXEL_COLOR
- #else
- { 255, 255, 255, 255 }
- #endif
- ;
- #endif
-
- /**
- * The following are needed because ARM chips ignore a "WRITE(CASE_LIGHT_PIN,x)" command to the pins that
- * are directly controlled by the PWM module. In order to turn them off the brightness level needs to be
- * set to off. Since we can't use the pwm register to save the last brightness level we need a variable
- * to save it.
- */
- uint8_t case_light_brightness_sav; // saves brighness info so can restore when "M355 S1" received
- bool case_light_arg_flag; // flag to notify if S or P argument type
-
- #ifndef INVERT_CASE_LIGHT
- #define INVERT_CASE_LIGHT false
- #endif
-
- void update_case_light() {
-
- if (!(case_light_arg_flag && !case_light_on))
- case_light_brightness_sav = case_light_brightness; // save brightness except if this is an S0 argument
- if (case_light_arg_flag && case_light_on)
- case_light_brightness = case_light_brightness_sav; // restore last brightens if this is an S1 argument
-
- #if ENABLED(CASE_LIGHT_USE_NEOPIXEL) || DISABLED(CASE_LIGHT_NO_BRIGHTNESS)
- const uint8_t i = case_light_on ? case_light_brightness : 0, n10ct = INVERT_CASE_LIGHT ? 255 - i : i;
- #endif
-
- #if ENABLED(CASE_LIGHT_USE_NEOPIXEL)
-
- leds.set_color(
- MakeLEDColor(case_light_color.r, case_light_color.g, case_light_color.b, case_light_color.w, n10ct),
- false
- );
-
- #else // !CASE_LIGHT_USE_NEOPIXEL
-
- #if DISABLED(CASE_LIGHT_NO_BRIGHTNESS)
- if (PWM_PIN(CASE_LIGHT_PIN))
- analogWrite(pin_t(CASE_LIGHT_PIN), (
- #if CASE_LIGHT_MAX_PWM == 255
- n10ct
- #else
- map(n10ct, 0, 255, 0, CASE_LIGHT_MAX_PWM)
- #endif
- ));
- else
- #endif
- {
- const bool s = case_light_on ? !INVERT_CASE_LIGHT : INVERT_CASE_LIGHT;
- WRITE(CASE_LIGHT_PIN, s ? HIGH : LOW);
- }
-
- #endif // !CASE_LIGHT_USE_NEOPIXEL
- }
-
- #endif // HAS_CASE_LIGHT
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