Add support for RUMBA thermocouple add on

Marlin/pins.h

@@ -1053,17 +1053,56 @@
 #define PS_ON_PIN          45
 #define KILL_PIN           46
 
-#define HEATER_0_PIN       2    // EXTRUDER 1
-#define HEATER_1_PIN       3    // EXTRUDER 2
-#define HEATER_2_PIN       6    // EXTRUDER 3
+#if (TEMP_SENSOR_0==0)
+ #define TEMP_0_PIN         -1
+ #define HEATER_0_PIN       -1
+#else
+ #define HEATER_0_PIN        2    // EXTRUDER 1
+ #if (TEMP_SENSOR_0==-1)
+  #define TEMP_0_PIN         6    // ANALOG NUMBERING - connector *K1* on RUMBA thermocouple ADD ON is used
+ #else
+  #define TEMP_0_PIN         15   // ANALOG NUMBERING - default connector for thermistor *T0* on rumba board is used
+ #endif
+#endif 
+
+#if (TEMP_SENSOR_1==0)
+ #define TEMP_1_PIN         -1
+ #define HEATER_1_PIN       -1
+#else
+ #define HEATER_1_PIN        3    // EXTRUDER 2
+ #if (TEMP_SENSOR_1==-1)
+  #define TEMP_1_PIN         5    // ANALOG NUMBERING - connector *K2* on RUMBA thermocouple ADD ON is used
+ #else
+  #define TEMP_1_PIN         14   // ANALOG NUMBERING - default connector for thermistor *T1* on rumba board is used
+ #endif
+#endif
+
+#if (TEMP_SENSOR_2==0)
+ #define TEMP_2_PIN         -1
+ #define HEATER_2_PIN       -1
+#else
+ #define HEATER_2_PIN        6    // EXTRUDER 3
+ #if (TEMP_SENSOR_2==-1)
+  #define TEMP_2_PIN         7    // ANALOG NUMBERING - connector *K3* on RUMBA thermocouple ADD ON is used <-- this can not be used when TEMP_SENSOR_BED is defined as thermocouple
+ #else
+  #define TEMP_2_PIN         13   // ANALOG NUMBERING - default connector for thermistor *T2* on rumba board is used
+ #endif
+#endif
+
+//optional for extruder 4 or chamber: #define TEMP_X_PIN         12   // ANALOG NUMBERING - default connector for thermistor *T3* on rumba board is used
 //optional FAN1 can be used as 4th heater output: #define HEATER_3_PIN       8    // EXTRUDER 4
-#define HEATER_BED_PIN     9    // BED
 
-#define TEMP_0_PIN         15   // ANALOG NUMBERING
-#define TEMP_1_PIN         14   // ANALOG NUMBERING
-#define TEMP_2_PIN         13   // ANALOG NUMBERING
-//optional for extruder 4 or chamber: #define TEMP_2_PIN         12   // ANALOG NUMBERING
-#define TEMP_BED_PIN       11   // ANALOG NUMBERING
+#if (TEMP_SENSOR_BED==0)
+ #define TEMP_BED_PIN       -1
+ #define HEATER_BED_PIN     -1
+#else
+ #define HEATER_BED_PIN      9    // BED
+ #if (TEMP_SENSOR_BED==-1)
+  #define TEMP_BED_PIN       7    // ANALOG NUMBERING - connector *K3* on RUMBA thermocouple ADD ON is used <-- this can not be used when TEMP_SENSOR_2 is defined as thermocouple
+ #else
+  #define TEMP_BED_PIN       11   // ANALOG NUMBERING - default connector for thermistor *THB* on rumba board is used
+ #endif
+#endif
 
 #define SDPOWER            -1
 #define SDSS               53