Add INVERTED_RELE_PINS

MarlinKimbra/Configuration_Feature.h

@@ -387,8 +387,10 @@
  *                                                                     *
  * Uncomment MKR4 to enable this feature                               *
  *                                                                     *
+ * Uncomment INVERTED_RELE_PINS if your relay switches with GND        *
  ***********************************************************************/
 //#define MKR4
+//#define INVERTED_RELE_PINS
 /***********************************************************************/
 
 

MarlinKimbra/Marlin_main.cpp

@@ -6780,104 +6780,104 @@ inline void gcode_T(uint8_t tmp_extruder) {
           #endif // HOTENDS > 1
 
           #if ENABLED(MKR4) && (EXTRUDERS > 1)
-            #if (EXTRUDERS == 4) && (E0E2_CHOICE_PIN >1) && (E1E3_CHOICE_PIN > 1) && (DRIVER_EXTRUDERS == 2)
+            #if (EXTRUDERS == 4) && HAS(E0E2) && HAS(E1E3) && (DRIVER_EXTRUDERS == 2)
               st_synchronize(); // Finish all movement
               disable_e();
               switch(target_extruder)
               {
               case 0:
-                WRITE(E0E2_CHOICE_PIN,LOW);
-                WRITE(E1E3_CHOICE_PIN,LOW);
+                WRITE_RELE(E0E2_CHOICE_PIN, LOW);
+                WRITE_RELE(E1E3_CHOICE_PIN, LOW);
                 active_driver = 0;
                 delay(500); // 500 microseconds delay for relay
                 enable_e0();
                 break;
               case 1:
-                WRITE(E0E2_CHOICE_PIN,LOW);
-                WRITE(E1E3_CHOICE_PIN,LOW);
+                WRITE_RELE(E0E2_CHOICE_PIN, LOW);
+                WRITE_RELE(E1E3_CHOICE_PIN, LOW);
                 active_driver = 1;
                 delay(500); // 500 microseconds delay for relay
                 enable_e1();
                 break;
               case 2:
-                WRITE(E0E2_CHOICE_PIN,HIGH);
-                WRITE(E1E3_CHOICE_PIN,LOW);
+                WRITE_RELE(E0E2_CHOICE_PIN, HIGH);
+                WRITE_RELE(E1E3_CHOICE_PIN, LOW);
                 active_driver = 0;
                 delay(500); // 500 microseconds delay for relay
                 enable_e2();
                 break;
               case 3:
-                WRITE(E0E2_CHOICE_PIN,LOW);
-                WRITE(E1E3_CHOICE_PIN,HIGH);
+                WRITE_RELE(E0E2_CHOICE_PIN, LOW);
+                WRITE_RELE(E1E3_CHOICE_PIN, HIGH);
                 active_driver = 1;
                 delay(500); // 500 microseconds delay for relay
                 enable_e3();
                 break;
               }            
-            #elif (EXTRUDERS == 3) && (E0E2_CHOICE_PIN >1) && (DRIVER_EXTRUDERS == 2)
+            #elif (EXTRUDERS == 3) && HAS(E0E2) && (DRIVER_EXTRUDERS == 2)
               st_synchronize(); // Finish all movement
               disable_e();
               switch(target_extruder)
               {
               case 0:
-                WRITE(E0E2_CHOICE_PIN,LOW);
+                WRITE_RELE(E0E2_CHOICE_PIN, LOW);
                 active_driver = 0;
                 delay(500); // 500 microseconds delay for relay
                 enable_e0();
                 break;
               case 1:
-                WRITE(E0E2_CHOICE_PIN,LOW);
+                WRITE_RELE(E0E2_CHOICE_PIN, LOW);
                 active_driver = 1;
                 delay(500); // 500 microseconds delay for relay
                 enable_e1();
                 break;
               case 2:
-                WRITE(E0E2_CHOICE_PIN,HIGH);
+                WRITE_RELE(E0E2_CHOICE_PIN, HIGH);
                 active_driver = 0;
                 delay(500); // 500 microseconds delay for relay
                 enable_e2();
                 break;
               }
-            #elif (EXTRUDERS == 3) && (E0E1_CHOICE_PIN >1) && (E0E2_CHOICE_PIN >1) && (DRIVER_EXTRUDERS == 1)
+            #elif (EXTRUDERS == 3) && HAS(E0E1) && HAS(E0E2) && (DRIVER_EXTRUDERS == 1)
               st_synchronize(); // Finish all movement
               disable_e();
               switch(target_extruder)
               {
               case 0:
-                WRITE(E0E1_CHOICE_PIN,LOW);
-                WRITE(E0E2_CHOICE_PIN,LOW);
+                WRITE_RELE(E0E1_CHOICE_PIN, LOW);
+                WRITE_RELE(E0E2_CHOICE_PIN, LOW);
                 active_driver = 0;
                 delay(500); // 500 microseconds delay for relay
                 enable_e0();
                 break;
               case 1:
-                WRITE(E0E1_CHOICE_PIN,HIGH);
-                WRITE(E0E2_CHOICE_PIN,LOW);
+                WRITE_RELE(E0E1_CHOICE_PIN, HIGH);
+                WRITE_RELE(E0E2_CHOICE_PIN, LOW);
                 active_driver = 0;
                 delay(500); // 500 microseconds delay for relay
                 enable_e0();
                 break;
               case 2:
-                WRITE(E0E1_CHOICE_PIN,HIGH);
-                WRITE(E0E2_CHOICE_PIN,HIGH);
+                WRITE_RELE(E0E1_CHOICE_PIN, HIGH);
+                WRITE_RELE(E0E2_CHOICE_PIN, HIGH);
                 active_driver = 0;
                 delay(500); // 500 microseconds delay for relay
                 enable_e0();
                 break;
               }
-            #elif (EXTRUDERS == 2) && (E0E1_CHOICE_PIN >1) && (DRIVER_EXTRUDERS == 1)
+            #elif (EXTRUDERS == 2) && HAS(E0E1) && (DRIVER_EXTRUDERS == 1)
               st_synchronize(); // Finish all movement
               disable_e();
               switch(target_extruder)
               {
               case 0:
-                WRITE(E0E1_CHOICE_PIN,LOW);
+                WRITE_RELE(E0E1_CHOICE_PIN, LOW);
                 active_driver = 0;
                 delay(500); // 500 microseconds delay for relay
                 enable_e0();
                 break;
               case 1:
-                WRITE(E0E1_CHOICE_PIN,HIGH);
+                WRITE_RELE(E0E1_CHOICE_PIN, HIGH);
                 active_driver = 0;
                 delay(500); // 500 microseconds delay for relay
                 enable_e0();

MarlinKimbra/conditionals.h

@@ -638,12 +638,12 @@
 #define HAS_LCD_POWER_SENSOR (HAS_POWER_CONSUMPTION_SENSOR && ENABLED(POWER_CONSUMPTION_LCD_DISPLAY))
 
 /**
- * Helper Macros for heaters and extruder fan
+ * Helper Macros for heaters and extruder fan and rele
  */
 #if ENABLED(INVERTED_HEATER_PINS)
-  #define WRITE_HEATER(pin,value) WRITE(pin,!value)
+  #define WRITE_HEATER(pin, value) WRITE(pin, !value)
 #else
-  #define WRITE_HEATER(pin,value) WRITE(pin,value)
+  #define WRITE_HEATER(pin, value) WRITE(pin, value)
 #endif
 #define WRITE_HEATER_0P(v) WRITE_HEATER(HEATER_0_PIN, v)
 #if HOTENDS > 1 || ENABLED(HEATERS_PARALLEL)
@@ -674,6 +674,13 @@
     #define WRITE_FAN(v) WRITE(FAN_PIN, v)
   #endif
 #endif
+#if ENABLED(MKR4)
+  #if ENABLED(INVERTED_RELE_PINS)
+    #define WRITE_RELE(pin, value) WRITE(pin, !value)
+  #else
+    #define WRITE_RELE(pin, value) WRITE(pin, value)
+  #endif
+#endif
 
 /**
  * Buzzer