Support for an RGB LED using 3 pins

Marlin/Configuration.h

@@ -1375,6 +1375,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/Marlin_main.cpp

@@ -113,7 +113,7 @@
  * M108 - Break out of heating loops (M109, M190, M303). With no controller, breaks out of M0/M1. (Requires EMERGENCY_PARSER)
  * M109 - Sxxx Wait for extruder current temp to reach target temp. Waits only when heating
  *        Rxxx Wait for extruder current temp to reach target temp. Waits when heating and cooling
- *        IF AUTOTEMP is enabled, S<mintemp> B<maxtemp> F<factor>. Exit autotemp by any M109 without F
+ *        If AUTOTEMP is enabled, S<mintemp> B<maxtemp> F<factor>. Exit autotemp by any M109 without F
  * M110 - Set the current line number. (Used by host printing)
  * M111 - Set debug flags: "M111 S<flagbits>". See flag bits defined in enum.h.
  * M112 - Emergency stop.
@@ -131,7 +131,7 @@
  * M140 - Set bed target temp. S<temp>
  * M145 - Set heatup values for materials on the LCD. H<hotend> B<bed> F<fan speed> for S<material> (0=PLA, 1=ABS)
  * M149 - Set temperature units. (Requires TEMPERATURE_UNITS_SUPPORT)
- * M150 - Set BlinkM Color R<red> U<green> B<blue>. Values 0-255. (Requires BLINKM)
+ * M150 - Set Status LED Color as R<red> U<green> B<blue>. Values 0-255. (Requires BLINKM or RGB_LED)
  * M155 - Auto-report temperatures with interval of S<seconds>. (Requires AUTO_REPORT_TEMPERATURES)
  * M163 - Set a single proportion for a mixing extruder. (Requires MIXING_EXTRUDER)
  * M164 - Save the mix as a virtual extruder. (Requires MIXING_EXTRUDER and MIXING_VIRTUAL_TOOLS)
@@ -5958,20 +5958,55 @@ inline void gcode_M121() { endstops.enable_globally(false); }
   }
 #endif // HAVE_TMC2130DRIVER
 
-#if ENABLED(BLINKM)
+#if ENABLED(BLINKM) || ENABLED(RGB_LED)
+
+  void set_led_color(const uint8_t r, const uint8_t g, const uint8_t b) {
+
+    #if ENABLED(BLINKM)
+
+      // This variant uses i2c to send the RGB components to the device.
+      SendColors(
+        code_seen('R') ? code_value_byte() : 0,
+        code_seen('U') ? code_value_byte() : 0,
+        code_seen('B') ? code_value_byte() : 0
+      );
+
+    #else
+
+      // This variant uses 3 separate pins for the RGB components.
+      // If the pins can do PWM then their intensity will be set.
+      digitalWrite(RGB_LED_R_PIN, r ? HIGH : LOW);
+      digitalWrite(RGB_LED_G_PIN, g ? HIGH : LOW);
+      digitalWrite(RGB_LED_B_PIN, b ? HIGH : LOW);
+      analogWrite(RGB_LED_R_PIN, r);
+      analogWrite(RGB_LED_G_PIN, g);
+      analogWrite(RGB_LED_B_PIN, b);
+
+    #endif
+  }
 
   /**
    * M150: Set Status LED Color - Use R-U-B for R-G-B
+   *
+   * Always sets all 3 components. If a component is left out, set to 0.
+   *
+   * Examples:
+   *
+   *   M150 R255       ; Turn LED red
+   *   M150 R255 U127  ; Turn LED orange (PWM only)
+   *   M150            ; Turn LED off
+   *   M150 R U B      ; Turn LED white
+   *
    */
   inline void gcode_M150() {
-    SendColors(
+    set_led_color(
-      code_seen('R') ? code_value_byte() : 0,
+      code_seen('R') ? (code_has_value() ? code_value_byte() : 255) : 0,
-      code_seen('U') ? code_value_byte() : 0,
+      code_seen('U') ? (code_has_value() ? code_value_byte() : 255) : 0,
-      code_seen('B') ? code_value_byte() : 0
+      code_seen('B') ? (code_has_value() ? code_value_byte() : 255) : 0
     );
   }
 
-#endif // BLINKM
+#endif // BLINKM || RGB_LED
 
 /**
  * M200: Set filament diameter and set E axis units to cubic units
@@ -8147,9 +8182,9 @@ void process_next_command() {
           break;
       #endif
 
-      #if ENABLED(BLINKM)
+      #if ENABLED(BLINKM) || ENABLED(RGB_LED)
 
-        case 150: // M150: Set the BlinkM LCD color
+        case 150: // M150: Set Status LED Color
           gcode_M150();
           break;
 
@@ -10071,6 +10106,12 @@ void setup() {
     OUT_WRITE(STAT_LED_BLUE_PIN, LOW); // turn it off
   #endif
 
+  #if ENABLED(RGB_LED)
+    pinMode(RGB_LED_R_PIN, OUTPUT);
+    pinMode(RGB_LED_G_PIN, OUTPUT);
+    pinMode(RGB_LED_B_PIN, OUTPUT);
+  #endif
+
   lcd_init();
   #if ENABLED(SHOW_BOOTSCREEN)
     #if ENABLED(DOGLCD)

Marlin/SanityCheck.h

@@ -885,6 +885,17 @@
   #endif
 #endif
 
+/**
+ * RGB_LED Requirements
+ */
+#if ENABLED(RGB_LED)
+  #if !(PIN_EXISTS(RGB_LED_R) && PIN_EXISTS(RGB_LED_G) && PIN_EXISTS(RGB_LED_B))
+    #error "RGB_LED requires RGB_LED_R_PIN, RGB_LED_G_PIN, and RGB_LED_B_PIN."
+  #elif ENABLED(BLINKM)
+    #error "RGB_LED and BLINKM are currently incompatible (both use M150)."
+  #endif
+#endif
+
 /**
  * Auto Fan check for PWM pins
  */

Marlin/example_configurations/Cartesio/Configuration.h

@@ -1375,6 +1375,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/Felix/Configuration.h

@@ -1358,6 +1358,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/Felix/DUAL/Configuration.h

@@ -1358,6 +1358,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/Hephestos/Configuration.h

@@ -1367,6 +1367,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/Hephestos_2/Configuration.h

@@ -1369,6 +1369,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/K8200/Configuration.h

@@ -1409,6 +1409,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/K8400/Configuration.h

@@ -1375,6 +1375,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/K8400/Dual-head/Configuration.h

@@ -1375,6 +1375,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

@@ -1375,6 +1375,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/RigidBot/Configuration.h

@@ -1375,6 +1375,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/SCARA/Configuration.h

@@ -1390,6 +1390,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/TAZ4/Configuration.h

@@ -1396,6 +1396,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/WITBOX/Configuration.h

@@ -1367,6 +1367,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/adafruit/ST7565/Configuration.h

@@ -1375,6 +1375,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/delta/biv2.5/Configuration.h

@@ -1471,6 +1471,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/delta/generic/Configuration.h

@@ -1465,6 +1465,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/delta/kossel_mini/Configuration.h

@@ -1468,6 +1468,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/delta/kossel_pro/Configuration.h

@@ -1467,6 +1467,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/delta/kossel_xl/Configuration.h

@@ -1471,6 +1471,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/makibox/Configuration.h

@@ -1378,6 +1378,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas

Marlin/example_configurations/tvrrug/Round2/Configuration.h

@@ -1371,6 +1371,14 @@
 //define BlinkM/CyzRgb Support
 //#define BLINKM
 
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
 /*********************************************************************\
 * R/C SERVO support
 * Sponsored by TrinityLabs, Reworked by codexmas