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Diffstat (limited to 'Marlin/src/feature/caselight.cpp')
-rw-r--r-- | Marlin/src/feature/caselight.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/Marlin/src/feature/caselight.cpp b/Marlin/src/feature/caselight.cpp new file mode 100644 index 0000000..0eba102 --- /dev/null +++ b/Marlin/src/feature/caselight.cpp @@ -0,0 +1,102 @@ +/** + * 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 |