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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/>.
*
*/
#include "../inc/MarlinConfig.h"
#if ENABLED(CASE_LIGHT_ENABLE)
#include "caselight.h"
CaseLight caselight;
#if CASELIGHT_USES_BRIGHTNESS && !defined(CASE_LIGHT_DEFAULT_BRIGHTNESS)
#define CASE_LIGHT_DEFAULT_BRIGHTNESS 0 // For use on PWM pin as non-PWM just sets a default
#endif
#if CASELIGHT_USES_BRIGHTNESS
uint8_t CaseLight::brightness = CASE_LIGHT_DEFAULT_BRIGHTNESS;
#endif
bool CaseLight::on = CASE_LIGHT_DEFAULT_ON;
#if ENABLED(CASE_LIGHT_USE_NEOPIXEL)
LEDColor CaseLight::color =
#ifdef CASE_LIGHT_NEOPIXEL_COLOR
CASE_LIGHT_NEOPIXEL_COLOR
#else
{ 255, 255, 255, 255 }
#endif
;
#endif
#ifndef INVERT_CASE_LIGHT
#define INVERT_CASE_LIGHT false
#endif
void CaseLight::update(const bool sflag) {
#if CASELIGHT_USES_BRIGHTNESS
/**
* The brightness_sav (and sflag) is 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.
*/
static uint8_t brightness_sav; // Save brightness info for restore on "M355 S1"
if (on || !sflag)
brightness_sav = brightness; // Save brightness except for M355 S0
if (sflag && on)
brightness = brightness_sav; // Restore last brightness for M355 S1
const uint8_t i = on ? brightness : 0, n10ct = INVERT_CASE_LIGHT ? 255 - i : i;
#endif
#if ENABLED(CASE_LIGHT_USE_NEOPIXEL)
leds.set_color(
MakeLEDColor(color.r, color.g, color.b, color.w, n10ct),
false
);
#else // !CASE_LIGHT_USE_NEOPIXEL
#if CASELIGHT_USES_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 = on ? !INVERT_CASE_LIGHT : INVERT_CASE_LIGHT;
WRITE(CASE_LIGHT_PIN, s ? HIGH : LOW);
}
#endif // !CASE_LIGHT_USE_NEOPIXEL
}
#endif // CASE_LIGHT_ENABLE
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