diff --git a/Marlin/src/feature/leds/neopixel.cpp b/Marlin/src/feature/leds/neopixel.cpp index 3c2c0b44f..3d11c5b64 100644 --- a/Marlin/src/feature/leds/neopixel.cpp +++ b/Marlin/src/feature/leds/neopixel.cpp @@ -35,6 +35,7 @@ #endif Marlin_NeoPixel neo; +int8_t Marlin_NeoPixel::neoindex; Adafruit_NeoPixel Marlin_NeoPixel::adaneo1(NEOPIXEL_PIXELS, NEOPIXEL_PIN, NEOPIXEL_TYPE + NEO_KHZ800) #if MULTIPLE_NEOPIXEL_TYPES @@ -52,14 +53,20 @@ Adafruit_NeoPixel Marlin_NeoPixel::adaneo1(NEOPIXEL_PIXELS, NEOPIXEL_PIN, NEOPIX #endif void Marlin_NeoPixel::set_color(const uint32_t color) { - for (uint16_t i = 0; i < pixels(); ++i) { - #ifdef NEOPIXEL_BKGD_LED_INDEX - if (i == NEOPIXEL_BKGD_LED_INDEX && color != 0x000000) { - set_color_background(); - continue; - } - #endif - set_pixel_color(i, color); + if (get_neo_index() < 0) { + set_pixel_color(get_neo_index(), color); + set_neo_index(-1); + } + else { + for (uint16_t i = 0; i < pixels(); ++i) { + #ifdef NEOPIXEL_BKGD_LED_INDEX + if (i == NEOPIXEL_BKGD_LED_INDEX && color != 0x000000) { + set_color_background(); + continue; + } + #endif + set_pixel_color(i, color); + } } show(); } @@ -71,7 +78,8 @@ void Marlin_NeoPixel::set_color_startup(const uint32_t color) { } void Marlin_NeoPixel::init() { - set_brightness(NEOPIXEL_BRIGHTNESS); // 0 - 255 range + set_neo_index(-1); // -1 .. NEOPIXEL_PIXELS-1 range + set_brightness(NEOPIXEL_BRIGHTNESS); // 0 .. 255 range begin(); show(); // initialize to all off diff --git a/Marlin/src/feature/leds/neopixel.h b/Marlin/src/feature/leds/neopixel.h index 1b1b74fdf..631e4fa00 100644 --- a/Marlin/src/feature/leds/neopixel.h +++ b/Marlin/src/feature/leds/neopixel.h @@ -65,6 +65,7 @@ private: , adaneo2 #endif ; + static int8_t neoindex; public: static void init(); @@ -72,6 +73,9 @@ public: static void set_color(const uint32_t c); + FORCE_INLINE static void set_neo_index(const int8_t neoIndex) { neoindex = neoIndex; } + FORCE_INLINE static int8_t get_neo_index() { return neoindex; } + #ifdef NEOPIXEL_BKGD_LED_INDEX static void set_color_background(); #endif diff --git a/Marlin/src/gcode/feature/leds/M150.cpp b/Marlin/src/gcode/feature/leds/M150.cpp index 656b7e5f9..a2497961a 100644 --- a/Marlin/src/gcode/feature/leds/M150.cpp +++ b/Marlin/src/gcode/feature/leds/M150.cpp @@ -34,6 +34,9 @@ * Always sets all 3 or 4 components. If a component is left out, set to 0. * If brightness is left out, no value changed * + * With NEOPIXEL_LED: + * I Set the Neopixel index to affect. Default: All + * * Examples: * * M150 R255 ; Turn LED red @@ -43,8 +46,12 @@ * M150 W ; Turn LED white using a white LED * M150 P127 ; Set LED 50% brightness * M150 P ; Set LED full brightness - */ + * M150 I1 R ; Set NEOPIXEL index 1 to red + */ void GcodeSuite::M150() { + #if ENABLED(NEOPIXEL_LED) + neo.set_neo_index(parser.intval('I', -1)); + #endif leds.set_color(MakeLEDColor( parser.seen('R') ? (parser.has_value() ? parser.value_byte() : 255) : 0, parser.seen('U') ? (parser.has_value() ? parser.value_byte() : 255) : 0,