Simplified temp sensor conditionals

Marlin/src/inc/Conditionals_post.h

@@ -436,7 +436,7 @@
 #endif
 
 #if TEMP_SENSOR_0 == -5 || TEMP_SENSOR_0 == -3 || TEMP_SENSOR_0 == -2
-  #define HEATER_0_USES_MAX6675
+  #define HEATER_0_USES_MAX6675 1
   #if TEMP_SENSOR_0 == -3
     #define HEATER_0_MAX6675_TMIN -270
     #define HEATER_0_MAX6675_TMAX 1800
@@ -445,19 +445,19 @@
     #define HEATER_0_MAX6675_TMAX 1024
   #endif
   #if TEMP_SENSOR_0 == -5
-    #define MAX6675_IS_MAX31865
+    #define MAX6675_IS_MAX31865 1
   #elif TEMP_SENSOR_0 == -3
-    #define MAX6675_IS_MAX31855
+    #define MAX6675_IS_MAX31855 1
   #endif
 #elif TEMP_SENSOR_0 == -4
-  #define HEATER_0_USES_AD8495
+  #define HEATER_0_USES_AD8495 1
 #elif TEMP_SENSOR_0 == -1
-  #define HEATER_0_USES_AD595
+  #define HEATER_0_USES_AD595 1
 #elif TEMP_SENSOR_0 > 0
   #define THERMISTOR_HEATER_0 TEMP_SENSOR_0
-  #define HEATER_0_USES_THERMISTOR
+  #define HEATER_0_USES_THERMISTOR 1
   #if TEMP_SENSOR_0 == 1000
-    #define HEATER_0_USER_THERMISTOR
+    #define HEATER_0_USER_THERMISTOR 1
   #endif
 #else
   #undef HEATER_0_MINTEMP
@@ -465,7 +465,7 @@
 #endif
 
 #if TEMP_SENSOR_1 == -5 || TEMP_SENSOR_1 == -3 || TEMP_SENSOR_1 == -2
-  #define HEATER_1_USES_MAX6675
+  #define HEATER_1_USES_MAX6675 1
   #if TEMP_SENSOR_1 == -3
     #define HEATER_1_MAX6675_TMIN -270
     #define HEATER_1_MAX6675_TMAX 1800
@@ -483,14 +483,14 @@
     #endif
   #endif
 #elif TEMP_SENSOR_1 == -4
-  #define HEATER_1_USES_AD8495
+  #define HEATER_1_USES_AD8495 1
 #elif TEMP_SENSOR_1 == -1
-  #define HEATER_1_USES_AD595
+  #define HEATER_1_USES_AD595 1
 #elif TEMP_SENSOR_1 > 0
   #define THERMISTOR_HEATER_1 TEMP_SENSOR_1
-  #define HEATER_1_USES_THERMISTOR
+  #define HEATER_1_USES_THERMISTOR 1
   #if TEMP_SENSOR_1 == 1000
-    #define HEATER_1_USER_THERMISTOR
+    #define HEATER_1_USER_THERMISTOR 1
   #endif
 #else
   #undef HEATER_1_MINTEMP
@@ -498,18 +498,18 @@
 #endif
 
 #if TEMP_SENSOR_2 == -4
-  #define HEATER_2_USES_AD8495
+  #define HEATER_2_USES_AD8495 1
 #elif TEMP_SENSOR_2 == -3
   #error "MAX31855 Thermocouples (-3) not supported for TEMP_SENSOR_2."
 #elif TEMP_SENSOR_2 == -2
   #error "MAX6675 Thermocouples (-2) not supported for TEMP_SENSOR_2."
 #elif TEMP_SENSOR_2 == -1
-  #define HEATER_2_USES_AD595
+  #define HEATER_2_USES_AD595 1
 #elif TEMP_SENSOR_2 > 0
   #define THERMISTOR_HEATER_2 TEMP_SENSOR_2
-  #define HEATER_2_USES_THERMISTOR
+  #define HEATER_2_USES_THERMISTOR 1
   #if TEMP_SENSOR_2 == 1000
-    #define HEATER_2_USER_THERMISTOR
+    #define HEATER_2_USER_THERMISTOR 1
   #endif
 #else
   #undef HEATER_2_MINTEMP
@@ -517,18 +517,18 @@
 #endif
 
 #if TEMP_SENSOR_3 == -4
-  #define HEATER_3_USES_AD8495
+  #define HEATER_3_USES_AD8495 1
 #elif TEMP_SENSOR_3 == -3
   #error "MAX31855 Thermocouples (-3) not supported for TEMP_SENSOR_3."
 #elif TEMP_SENSOR_3 == -2
   #error "MAX6675 Thermocouples (-2) not supported for TEMP_SENSOR_3."
 #elif TEMP_SENSOR_3 == -1
-  #define HEATER_3_USES_AD595
+  #define HEATER_3_USES_AD595 1
 #elif TEMP_SENSOR_3 > 0
   #define THERMISTOR_HEATER_3 TEMP_SENSOR_3
-  #define HEATER_3_USES_THERMISTOR
+  #define HEATER_3_USES_THERMISTOR 1
   #if TEMP_SENSOR_3 == 1000
-    #define HEATER_3_USER_THERMISTOR
+    #define HEATER_3_USER_THERMISTOR 1
   #endif
 #else
   #undef HEATER_3_MINTEMP
@@ -536,18 +536,18 @@
 #endif
 
 #if TEMP_SENSOR_4 == -4
-  #define HEATER_4_USES_AD8495
+  #define HEATER_4_USES_AD8495 1
 #elif TEMP_SENSOR_4 == -3
   #error "MAX31855 Thermocouples (-3) not supported for TEMP_SENSOR_4."
 #elif TEMP_SENSOR_4 == -2
   #error "MAX6675 Thermocouples (-2) not supported for TEMP_SENSOR_4."
 #elif TEMP_SENSOR_4 == -1
-  #define HEATER_4_USES_AD595
+  #define HEATER_4_USES_AD595 1
 #elif TEMP_SENSOR_4 > 0
   #define THERMISTOR_HEATER_4 TEMP_SENSOR_4
-  #define HEATER_4_USES_THERMISTOR
+  #define HEATER_4_USES_THERMISTOR 1
   #if TEMP_SENSOR_4 == 1000
-    #define HEATER_4_USER_THERMISTOR
+    #define HEATER_4_USER_THERMISTOR 1
   #endif
 #else
   #undef HEATER_4_MINTEMP
@@ -555,18 +555,18 @@
 #endif
 
 #if TEMP_SENSOR_5 == -4
-  #define HEATER_5_USES_AD8495
+  #define HEATER_5_USES_AD8495 1
 #elif TEMP_SENSOR_5 == -3
   #error "MAX31855 Thermocouples (-3) not supported for TEMP_SENSOR_5."
 #elif TEMP_SENSOR_5 == -2
   #error "MAX6675 Thermocouples (-2) not supported for TEMP_SENSOR_5."
 #elif TEMP_SENSOR_5 == -1
-  #define HEATER_5_USES_AD595
+  #define HEATER_5_USES_AD595 1
 #elif TEMP_SENSOR_5 > 0
   #define THERMISTOR_HEATER_5 TEMP_SENSOR_5
-  #define HEATER_5_USES_THERMISTOR
+  #define HEATER_5_USES_THERMISTOR 1
   #if TEMP_SENSOR_5 == 1000
-    #define HEATER_5_USER_THERMISTOR
+    #define HEATER_5_USER_THERMISTOR 1
   #endif
 #else
   #undef HEATER_5_MINTEMP
@@ -574,18 +574,18 @@
 #endif
 
 #if TEMP_SENSOR_6 == -4
-  #define HEATER_6_USES_AD8495
+  #define HEATER_6_USES_AD8495 1
 #elif TEMP_SENSOR_6 == -3
   #error "MAX31855 Thermocouples (-3) not supported for TEMP_SENSOR_6."
 #elif TEMP_SENSOR_6 == -2
   #error "MAX6675 Thermocouples (-2) not supported for TEMP_SENSOR_6."
 #elif TEMP_SENSOR_6 == -1
-  #define HEATER_6_USES_AD595
+  #define HEATER_6_USES_AD595 1
 #elif TEMP_SENSOR_6 > 0
   #define THERMISTOR_HEATER_6 TEMP_SENSOR_6
-  #define HEATER_6_USES_THERMISTOR
+  #define HEATER_6_USES_THERMISTOR 1
   #if TEMP_SENSOR_6 == 1000
-    #define HEATER_6_USER_THERMISTOR
+    #define HEATER_6_USER_THERMISTOR 1
   #endif
 #else
   #undef HEATER_6_MINTEMP
@@ -593,18 +593,18 @@
 #endif
 
 #if TEMP_SENSOR_7 == -4
-  #define HEATER_7_USES_AD8495
+  #define HEATER_7_USES_AD8495 1
 #elif TEMP_SENSOR_7 == -3
   #error "MAX31855 Thermocouples (-3) not supported for TEMP_SENSOR_7."
 #elif TEMP_SENSOR_7 == -2
   #error "MAX7775 Thermocouples (-2) not supported for TEMP_SENSOR_7."
 #elif TEMP_SENSOR_7 == -1
-  #define HEATER_7_USES_AD595
+  #define HEATER_7_USES_AD595 1
 #elif TEMP_SENSOR_7 > 0
   #define THERMISTOR_HEATER_7 TEMP_SENSOR_7
-  #define HEATER_7_USES_THERMISTOR
+  #define HEATER_7_USES_THERMISTOR 1
   #if TEMP_SENSOR_7 == 1000
-    #define HEATER_7_USER_THERMISTOR
+    #define HEATER_7_USER_THERMISTOR 1
   #endif
 #else
   #undef HEATER_7_MINTEMP
@@ -612,18 +612,18 @@
 #endif
 
 #if TEMP_SENSOR_BED == -4
-  #define HEATER_BED_USES_AD8495
+  #define HEATER_BED_USES_AD8495 1
 #elif TEMP_SENSOR_BED == -3
   #error "MAX31855 Thermocouples (-3) not supported for TEMP_SENSOR_BED."
 #elif TEMP_SENSOR_BED == -2
   #error "MAX6675 Thermocouples (-2) not supported for TEMP_SENSOR_BED."
 #elif TEMP_SENSOR_BED == -1
-  #define HEATER_BED_USES_AD595
+  #define HEATER_BED_USES_AD595 1
 #elif TEMP_SENSOR_BED > 0
   #define THERMISTORBED TEMP_SENSOR_BED
-  #define HEATER_BED_USES_THERMISTOR
+  #define HEATER_BED_USES_THERMISTOR 1
   #if TEMP_SENSOR_BED == 1000
-    #define HEATER_BED_USER_THERMISTOR
+    #define HEATER_BED_USER_THERMISTOR 1
   #endif
 #else
   #undef BED_MINTEMP
@@ -631,18 +631,18 @@
 #endif
 
 #if TEMP_SENSOR_CHAMBER == -4
-  #define HEATER_CHAMBER_USES_AD8495
+  #define HEATER_CHAMBER_USES_AD8495 1
 #elif TEMP_SENSOR_CHAMBER == -3
   #error "MAX31855 Thermocouples (-3) not supported for TEMP_SENSOR_CHAMBER."
 #elif TEMP_SENSOR_CHAMBER == -2
   #error "MAX6675 Thermocouples (-2) not supported for TEMP_SENSOR_CHAMBER."
 #elif TEMP_SENSOR_CHAMBER == -1
-  #define HEATER_CHAMBER_USES_AD595
+  #define HEATER_CHAMBER_USES_AD595 1
 #elif TEMP_SENSOR_CHAMBER > 0
   #define THERMISTORCHAMBER TEMP_SENSOR_CHAMBER
-  #define HEATER_CHAMBER_USES_THERMISTOR
+  #define HEATER_CHAMBER_USES_THERMISTOR 1
   #if TEMP_SENSOR_CHAMBER == 1000
-    #define HEATER_CHAMBER_USER_THERMISTOR
+    #define HEATER_CHAMBER_USER_THERMISTOR 1
   #endif
 #else
   #undef CHAMBER_MINTEMP
@@ -650,25 +650,21 @@
 #endif
 
 #if TEMP_SENSOR_PROBE == -4
-  #define HEATER_PROBE_USES_AD8495
+  #define HEATER_PROBE_USES_AD8495 1
 #elif TEMP_SENSOR_PROBE == -3
   #error "MAX31855 Thermocouples (-3) not supported for TEMP_SENSOR_PROBE."
 #elif TEMP_SENSOR_PROBE == -2
   #error "MAX6675 Thermocouples (-2) not supported for TEMP_SENSOR_PROBE."
 #elif TEMP_SENSOR_PROBE == -1
-  #define HEATER_PROBE_USES_AD595
+  #define HEATER_PROBE_USES_AD595 1
 #elif TEMP_SENSOR_PROBE > 0
   #define THERMISTORPROBE TEMP_SENSOR_PROBE
-  #define PROBE_USES_THERMISTOR
+  #define HEATER_PROBE_USES_THERMISTOR 1
   #if TEMP_SENSOR_PROBE == 1000
-    #define PROBE_USER_THERMISTOR
+    #define HEATER_PROBE_USER_THERMISTOR 1
   #endif
 #endif
 
-#define HOTEND_USES_THERMISTOR ANY( \
-  HEATER_0_USES_THERMISTOR, HEATER_1_USES_THERMISTOR, HEATER_2_USES_THERMISTOR, HEATER_3_USES_THERMISTOR, \
-  HEATER_4_USES_THERMISTOR, HEATER_5_USES_THERMISTOR, HEATER_6_USES_THERMISTOR, HEATER_7_USES_THERMISTOR )
-
 /**
  * X_DUAL_ENDSTOPS endstop reassignment
  */

Marlin/src/inc/SanityCheck.h

@@ -1618,34 +1618,41 @@ static_assert(hbm[Z_AXIS] >= 0, "HOMING_BUMP_MM.Z must be greater than or equal
 /**
  * Required custom thermistor settings
  */
-#if   ENABLED(HEATER_0_USER_THERMISTOR) && !(defined(HOTEND0_PULLUP_RESISTOR_OHMS) && defined(HOTEND0_RESISTANCE_25C_OHMS) && defined(HOTEND0_BETA))
+#if   HEATER_0_USER_THERMISTOR && !(defined(HOTEND0_PULLUP_RESISTOR_OHMS) && defined(HOTEND0_RESISTANCE_25C_OHMS) && defined(HOTEND0_BETA))
   #error "TEMP_SENSOR_0 1000 requires HOTEND0_PULLUP_RESISTOR_OHMS, HOTEND0_RESISTANCE_25C_OHMS and HOTEND0_BETA in Configuration_adv.h."
-#elif ENABLED(HEATER_1_USER_THERMISTOR) && !(defined(HOTEND1_PULLUP_RESISTOR_OHMS) && defined(HOTEND1_RESISTANCE_25C_OHMS) && defined(HOTEND1_BETA))
+#elif HEATER_1_USER_THERMISTOR && !(defined(HOTEND1_PULLUP_RESISTOR_OHMS) && defined(HOTEND1_RESISTANCE_25C_OHMS) && defined(HOTEND1_BETA))
   #error "TEMP_SENSOR_1 1000 requires HOTEND1_PULLUP_RESISTOR_OHMS, HOTEND1_RESISTANCE_25C_OHMS and HOTEND1_BETA in Configuration_adv.h."
-#elif ENABLED(HEATER_2_USER_THERMISTOR) && !(defined(HOTEND2_PULLUP_RESISTOR_OHMS) && defined(HOTEND2_RESISTANCE_25C_OHMS) && defined(HOTEND2_BETA))
+#elif HEATER_2_USER_THERMISTOR && !(defined(HOTEND2_PULLUP_RESISTOR_OHMS) && defined(HOTEND2_RESISTANCE_25C_OHMS) && defined(HOTEND2_BETA))
   #error "TEMP_SENSOR_2 1000 requires HOTEND2_PULLUP_RESISTOR_OHMS, HOTEND2_RESISTANCE_25C_OHMS and HOTEND2_BETA in Configuration_adv.h."
-#elif ENABLED(HEATER_3_USER_THERMISTOR) && !(defined(HOTEND3_PULLUP_RESISTOR_OHMS) && defined(HOTEND3_RESISTANCE_25C_OHMS) && defined(HOTEND3_BETA))
+#elif HEATER_3_USER_THERMISTOR && !(defined(HOTEND3_PULLUP_RESISTOR_OHMS) && defined(HOTEND3_RESISTANCE_25C_OHMS) && defined(HOTEND3_BETA))
   #error "TEMP_SENSOR_3 1000 requires HOTEND3_PULLUP_RESISTOR_OHMS, HOTEND3_RESISTANCE_25C_OHMS and HOTEND3_BETA in Configuration_adv.h."
-#elif ENABLED(HEATER_4_USER_THERMISTOR) && !(defined(HOTEND4_PULLUP_RESISTOR_OHMS) && defined(HOTEND4_RESISTANCE_25C_OHMS) && defined(HOTEND4_BETA))
+#elif HEATER_4_USER_THERMISTOR && !(defined(HOTEND4_PULLUP_RESISTOR_OHMS) && defined(HOTEND4_RESISTANCE_25C_OHMS) && defined(HOTEND4_BETA))
   #error "TEMP_SENSOR_4 1000 requires HOTEND4_PULLUP_RESISTOR_OHMS, HOTEND4_RESISTANCE_25C_OHMS and HOTEND4_BETA in Configuration_adv.h."
-#elif ENABLED(HEATER_5_USER_THERMISTOR) && !(defined(HOTEND5_PULLUP_RESISTOR_OHMS) && defined(HOTEND5_RESISTANCE_25C_OHMS) && defined(HOTEND5_BETA))
+#elif HEATER_5_USER_THERMISTOR && !(defined(HOTEND5_PULLUP_RESISTOR_OHMS) && defined(HOTEND5_RESISTANCE_25C_OHMS) && defined(HOTEND5_BETA))
   #error "TEMP_SENSOR_5 1000 requires HOTEND5_PULLUP_RESISTOR_OHMS, HOTEND5_RESISTANCE_25C_OHMS and HOTEND5_BETA in Configuration_adv.h."
-#elif ENABLED(HEATER_6_USER_THERMISTOR) && !(defined(HOTEND6_PULLUP_RESISTOR_OHMS) && defined(HOTEND6_RESISTANCE_25C_OHMS) && defined(HOTEND6_BETA))
+#elif HEATER_6_USER_THERMISTOR && !(defined(HOTEND6_PULLUP_RESISTOR_OHMS) && defined(HOTEND6_RESISTANCE_25C_OHMS) && defined(HOTEND6_BETA))
   #error "TEMP_SENSOR_6 1000 requires HOTEND6_PULLUP_RESISTOR_OHMS, HOTEND6_RESISTANCE_25C_OHMS and HOTEND6_BETA in Configuration_adv.h."
-#elif ENABLED(HEATER_7_USER_THERMISTOR) && !(defined(HOTEND7_PULLUP_RESISTOR_OHMS) && defined(HOTEND7_RESISTANCE_25C_OHMS) && defined(HOTEND7_BETA))
+#elif HEATER_7_USER_THERMISTOR && !(defined(HOTEND7_PULLUP_RESISTOR_OHMS) && defined(HOTEND7_RESISTANCE_25C_OHMS) && defined(HOTEND7_BETA))
   #error "TEMP_SENSOR_7 1000 requires HOTEND7_PULLUP_RESISTOR_OHMS, HOTEND7_RESISTANCE_25C_OHMS and HOTEND7_BETA in Configuration_adv.h."
-#elif ENABLED(HEATER_BED_USER_THERMISTOR) && !(defined(BED_PULLUP_RESISTOR_OHMS) && defined(BED_RESISTANCE_25C_OHMS) && defined(BED_BETA))
+#elif HEATER_BED_USER_THERMISTOR && !(defined(BED_PULLUP_RESISTOR_OHMS) && defined(BED_RESISTANCE_25C_OHMS) && defined(BED_BETA))
   #error "TEMP_SENSOR_BED 1000 requires BED_PULLUP_RESISTOR_OHMS, BED_RESISTANCE_25C_OHMS and BED_BETA in Configuration_adv.h."
-#elif ENABLED(HEATER_CHAMBER_USER_THERMISTOR) && !(defined(CHAMBER_PULLUP_RESISTOR_OHMS) && defined(CHAMBER_RESISTANCE_25C_OHMS) && defined(CHAMBER_BETA))
+#elif HEATER_CHAMBER_USER_THERMISTOR && !(defined(CHAMBER_PULLUP_RESISTOR_OHMS) && defined(CHAMBER_RESISTANCE_25C_OHMS) && defined(CHAMBER_BETA))
   #error "TEMP_SENSOR_CHAMBER 1000 requires CHAMBER_PULLUP_RESISTOR_OHMS, CHAMBER_RESISTANCE_25C_OHMS and CHAMBER_BETA in Configuration_adv.h."
 #endif
 
 /**
- * A Sensor ID has to be set for each heater
+ * Pins and Sensor IDs must be set for each heater
  */
+#if HEATER_0_USES_MAX6675 && !PIN_EXISTS(MAX6675_SS)
+  #error "MAX6675_SS_PIN (required for TEMP_SENSOR_0) not defined for this board."
+#elif HAS_HOTEND && !HAS_TEMP_HOTEND
+  #error "TEMP_0_PIN (required for TEMP_SENSOR_0) not defined for this board."
+#elif EITHER(HAS_MULTI_HOTEND, HEATERS_PARALLEL) && !HAS_HEATER_1
+  #error "HEATER_1_PIN is not defined. TEMP_SENSOR_1 might not be set, or the board (not EEB / EEF?) doesn't define a pin."
+#endif
 
 #if HAS_MULTI_HOTEND
-  #if ENABLED(HEATER_1_USES_MAX6675) && !PIN_EXISTS(MAX6675_SS2)
+  #if HEATER_1_USES_MAX6675 && !PIN_EXISTS(MAX6675_SS2)
     #error "MAX6675_SS2_PIN (required for TEMP_SENSOR_1) not defined for this board."
   #elif TEMP_SENSOR_1 == 0
     #error "TEMP_SENSOR_1 is required with 2 or more HOTENDS."
@@ -1808,7 +1815,7 @@ static_assert(hbm[Z_AXIS] >= 0, "HOMING_BUMP_MM.Z must be greater than or equal
   #error "TEMP_SENSOR_1 is required with TEMP_SENSOR_1_AS_REDUNDANT."
 #endif
 
-#if ENABLED(MAX6675_IS_MAX31865) && (!defined(MAX31865_SENSOR_OHMS) || !defined(MAX31865_CALIBRATION_OHMS))
+#if MAX6675_IS_MAX31865 && !(defined(MAX31865_SENSOR_OHMS) && defined(MAX31865_CALIBRATION_OHMS))
   #error "MAX31865_SENSOR_OHMS and MAX31865_CALIBRATION_OHMS must be set in Configuration.h when using a MAX31865 temperature sensor."
 #endif
 
@@ -1827,15 +1834,6 @@ static_assert(hbm[Z_AXIS] >= 0, "HOMING_BUMP_MM.Z must be greater than or equal
   #error "TEMP_SENSOR_0 is required if there are any extruders."
 #endif
 
-// Pins are required for heaters
-#if ENABLED(HEATER_0_USES_MAX6675) && !PIN_EXISTS(MAX6675_SS)
-  #error "MAX6675_SS_PIN (required for TEMP_SENSOR_0) not defined for this board."
-#elif HAS_HOTEND && !HAS_TEMP_HOTEND
-  #error "TEMP_0_PIN (required for TEMP_SENSOR_0) not defined for this board."
-#elif EITHER(HAS_MULTI_HOTEND, HEATERS_PARALLEL) && !HAS_HEATER_1
-  #error "HEATER_1_PIN is not defined. TEMP_SENSOR_1 might not be set, or the board (not EEB / EEF?) doesn't define a pin."
-#endif
-
 /**
  * Temperature status LEDs
  */

Marlin/src/module/temperature.cpp

@@ -44,7 +44,7 @@
   #include "../lcd/extui/ui_api.h"
 #endif
 
-#if ENABLED(MAX6675_IS_MAX31865)
+#if MAX6675_IS_MAX31865
   #include <Adafruit_MAX31865.h>
   #ifndef MAX31865_CS_PIN
     #define MAX31865_CS_PIN     MAX6675_SS_PIN  // HW:49   SW:65    for example
@@ -114,7 +114,13 @@
 #if HAS_SERVOS
   #include "./servo.h"
 #endif
-#if HOTEND_USES_THERMISTOR
+
+#if ANY(HEATER_0_USES_THERMISTOR, HEATER_1_USES_THERMISTOR, HEATER_2_USES_THERMISTOR, HEATER_3_USES_THERMISTOR, \
+        HEATER_4_USES_THERMISTOR, HEATER_5_USES_THERMISTOR, HEATER_6_USES_THERMISTOR, HEATER_7_USES_THERMISTOR )
+  #define HAS_HOTEND_THERMISTOR 1
+#endif
+
+#if HAS_HOTEND_THERMISTOR
   #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
     static const temp_entry_t* heater_ttbl_map[2] = { HEATER_0_TEMPTABLE, HEATER_1_TEMPTABLE };
     static constexpr uint8_t heater_ttbllen_map[2] = { HEATER_0_TEMPTABLE_LEN, HEATER_1_TEMPTABLE_LEN };
@@ -1046,11 +1052,11 @@ void Temperature::manage_heater() {
   updateTemperaturesFromRawValues(); // also resets the watchdog
 
   #if DISABLED(IGNORE_THERMOCOUPLE_ERRORS)
-    #if ENABLED(HEATER_0_USES_MAX6675)
+    #if HEATER_0_USES_MAX6675
       if (temp_hotend[0].celsius > _MIN(HEATER_0_MAXTEMP, HEATER_0_MAX6675_TMAX - 1.0)) max_temp_error(H_E0);
       if (temp_hotend[0].celsius < _MAX(HEATER_0_MINTEMP, HEATER_0_MAX6675_TMIN + .01)) min_temp_error(H_E0);
     #endif
-    #if ENABLED(HEATER_1_USES_MAX6675)
+    #if HEATER_1_USES_MAX6675
       if (temp_hotend[1].celsius > _MIN(HEATER_1_MAXTEMP, HEATER_1_MAX6675_TMAX - 1.0)) max_temp_error(H_E1);
       if (temp_hotend[1].celsius < _MAX(HEATER_1_MINTEMP, HEATER_1_MAX6675_TMIN + .01)) min_temp_error(H_E1);
     #endif
@@ -1336,34 +1342,34 @@ void Temperature::manage_heater() {
 
   void Temperature::reset_user_thermistors() {
     user_thermistor_t user_thermistor[USER_THERMISTORS] = {
-      #if ENABLED(HEATER_0_USER_THERMISTOR)
+      #if HEATER_0_USER_THERMISTOR
         { true, 0, 0, HOTEND0_PULLUP_RESISTOR_OHMS, HOTEND0_RESISTANCE_25C_OHMS, 0, 0, HOTEND0_BETA, 0 },
       #endif
-      #if ENABLED(HEATER_1_USER_THERMISTOR)
+      #if HEATER_1_USER_THERMISTOR
         { true, 0, 0, HOTEND1_PULLUP_RESISTOR_OHMS, HOTEND1_RESISTANCE_25C_OHMS, 0, 0, HOTEND1_BETA, 0 },
       #endif
-      #if ENABLED(HEATER_2_USER_THERMISTOR)
+      #if HEATER_2_USER_THERMISTOR
         { true, 0, 0, HOTEND2_PULLUP_RESISTOR_OHMS, HOTEND2_RESISTANCE_25C_OHMS, 0, 0, HOTEND2_BETA, 0 },
       #endif
-      #if ENABLED(HEATER_3_USER_THERMISTOR)
+      #if HEATER_3_USER_THERMISTOR
         { true, 0, 0, HOTEND3_PULLUP_RESISTOR_OHMS, HOTEND3_RESISTANCE_25C_OHMS, 0, 0, HOTEND3_BETA, 0 },
       #endif
-      #if ENABLED(HEATER_4_USER_THERMISTOR)
+      #if HEATER_4_USER_THERMISTOR
         { true, 0, 0, HOTEND4_PULLUP_RESISTOR_OHMS, HOTEND4_RESISTANCE_25C_OHMS, 0, 0, HOTEND4_BETA, 0 },
       #endif
-      #if ENABLED(HEATER_5_USER_THERMISTOR)
+      #if HEATER_5_USER_THERMISTOR
         { true, 0, 0, HOTEND5_PULLUP_RESISTOR_OHMS, HOTEND5_RESISTANCE_25C_OHMS, 0, 0, HOTEND5_BETA, 0 },
       #endif
-      #if ENABLED(HEATER_6_USER_THERMISTOR)
+      #if HEATER_6_USER_THERMISTOR
         { true, 0, 0, HOTEND6_PULLUP_RESISTOR_OHMS, HOTEND6_RESISTANCE_25C_OHMS, 0, 0, HOTEND6_BETA, 0 },
       #endif
-      #if ENABLED(HEATER_7_USER_THERMISTOR)
+      #if HEATER_7_USER_THERMISTOR
         { true, 0, 0, HOTEND7_PULLUP_RESISTOR_OHMS, HOTEND7_RESISTANCE_25C_OHMS, 0, 0, HOTEND7_BETA, 0 },
       #endif
-      #if ENABLED(HEATER_BED_USER_THERMISTOR)
+      #if HEATER_BED_USER_THERMISTOR
         { true, 0, 0, BED_PULLUP_RESISTOR_OHMS, BED_RESISTANCE_25C_OHMS, 0, 0, BED_BETA, 0 },
       #endif
-      #if ENABLED(HEATER_CHAMBER_USER_THERMISTOR)
+      #if HEATER_CHAMBER_USER_THERMISTOR
         { true, 0, 0, CHAMBER_PULLUP_RESISTOR_OHMS, CHAMBER_RESISTANCE_25C_OHMS, 0, 0, CHAMBER_BETA, 0 }
       #endif
     };
@@ -1462,91 +1468,91 @@ void Temperature::manage_heater() {
 
     switch (e) {
       case 0:
-        #if ENABLED(HEATER_0_USER_THERMISTOR)
+        #if HEATER_0_USER_THERMISTOR
           return user_thermistor_to_deg_c(CTI_HOTEND_0, raw);
-        #elif ENABLED(HEATER_0_USES_MAX6675)
+        #elif HEATER_0_USES_MAX6675
           return (
-            #if ENABLED(MAX6675_IS_MAX31865)
+            #if MAX6675_IS_MAX31865
               max31865.temperature(MAX31865_SENSOR_OHMS, MAX31865_CALIBRATION_OHMS)
             #else
               raw * 0.25
             #endif
           );
-        #elif ENABLED(HEATER_0_USES_AD595)
+        #elif HEATER_0_USES_AD595
           return TEMP_AD595(raw);
-        #elif ENABLED(HEATER_0_USES_AD8495)
+        #elif HEATER_0_USES_AD8495
           return TEMP_AD8495(raw);
         #else
           break;
         #endif
       case 1:
-        #if ENABLED(HEATER_1_USER_THERMISTOR)
+        #if HEATER_1_USER_THERMISTOR
           return user_thermistor_to_deg_c(CTI_HOTEND_1, raw);
-        #elif ENABLED(HEATER_1_USES_MAX6675)
+        #elif HEATER_1_USES_MAX6675
           return raw * 0.25;
-        #elif ENABLED(HEATER_1_USES_AD595)
+        #elif HEATER_1_USES_AD595
           return TEMP_AD595(raw);
-        #elif ENABLED(HEATER_1_USES_AD8495)
+        #elif HEATER_1_USES_AD8495
           return TEMP_AD8495(raw);
         #else
           break;
         #endif
       case 2:
-        #if ENABLED(HEATER_2_USER_THERMISTOR)
+        #if HEATER_2_USER_THERMISTOR
           return user_thermistor_to_deg_c(CTI_HOTEND_2, raw);
-        #elif ENABLED(HEATER_2_USES_AD595)
+        #elif HEATER_2_USES_AD595
           return TEMP_AD595(raw);
-        #elif ENABLED(HEATER_2_USES_AD8495)
+        #elif HEATER_2_USES_AD8495
           return TEMP_AD8495(raw);
         #else
           break;
         #endif
       case 3:
-        #if ENABLED(HEATER_3_USER_THERMISTOR)
+        #if HEATER_3_USER_THERMISTOR
           return user_thermistor_to_deg_c(CTI_HOTEND_3, raw);
-        #elif ENABLED(HEATER_3_USES_AD595)
+        #elif HEATER_3_USES_AD595
           return TEMP_AD595(raw);
-        #elif ENABLED(HEATER_3_USES_AD8495)
+        #elif HEATER_3_USES_AD8495
           return TEMP_AD8495(raw);
         #else
           break;
         #endif
       case 4:
-        #if ENABLED(HEATER_4_USER_THERMISTOR)
+        #if HEATER_4_USER_THERMISTOR
           return user_thermistor_to_deg_c(CTI_HOTEND_4, raw);
-        #elif ENABLED(HEATER_4_USES_AD595)
+        #elif HEATER_4_USES_AD595
           return TEMP_AD595(raw);
-        #elif ENABLED(HEATER_4_USES_AD8495)
+        #elif HEATER_4_USES_AD8495
           return TEMP_AD8495(raw);
         #else
           break;
         #endif
       case 5:
-        #if ENABLED(HEATER_5_USER_THERMISTOR)
+        #if HEATER_5_USER_THERMISTOR
           return user_thermistor_to_deg_c(CTI_HOTEND_5, raw);
-        #elif ENABLED(HEATER_5_USES_AD595)
+        #elif HEATER_5_USES_AD595
           return TEMP_AD595(raw);
-        #elif ENABLED(HEATER_5_USES_AD8495)
+        #elif HEATER_5_USES_AD8495
           return TEMP_AD8495(raw);
         #else
           break;
         #endif
       case 6:
-        #if ENABLED(HEATER_6_USER_THERMISTOR)
+        #if HEATER_6_USER_THERMISTOR
           return user_thermistor_to_deg_c(CTI_HOTEND_6, raw);
-        #elif ENABLED(HEATER_6_USES_AD595)
+        #elif HEATER_6_USES_AD595
           return TEMP_AD595(raw);
-        #elif ENABLED(HEATER_6_USES_AD8495)
+        #elif HEATER_6_USES_AD8495
           return TEMP_AD8495(raw);
         #else
           break;
         #endif
       case 7:
-        #if ENABLED(HEATER_7_USER_THERMISTOR)
+        #if HEATER_7_USER_THERMISTOR
           return user_thermistor_to_deg_c(CTI_HOTEND_7, raw);
-        #elif ENABLED(HEATER_7_USES_AD595)
+        #elif HEATER_7_USES_AD595
           return TEMP_AD595(raw);
-        #elif ENABLED(HEATER_7_USES_AD8495)
+        #elif HEATER_7_USES_AD8495
           return TEMP_AD8495(raw);
         #else
           break;
@@ -1554,7 +1560,7 @@ void Temperature::manage_heater() {
       default: break;
     }
 
-    #if HOTEND_USES_THERMISTOR
+    #if HAS_HOTEND_THERMISTOR
       // Thermistor with conversion table?
       const temp_entry_t(*tt)[] = (temp_entry_t(*)[])(heater_ttbl_map[e]);
       SCAN_THERMISTOR_TABLE((*tt), heater_ttbllen_map[e]);
@@ -1568,13 +1574,13 @@ void Temperature::manage_heater() {
   // Derived from RepRap FiveD extruder::getTemperature()
   // For bed temperature measurement.
   float Temperature::analog_to_celsius_bed(const int raw) {
-    #if ENABLED(HEATER_BED_USER_THERMISTOR)
+    #if HEATER_BED_USER_THERMISTOR
       return user_thermistor_to_deg_c(CTI_BED, raw);
-    #elif ENABLED(HEATER_BED_USES_THERMISTOR)
+    #elif HEATER_BED_USES_THERMISTOR
       SCAN_THERMISTOR_TABLE(BED_TEMPTABLE, BED_TEMPTABLE_LEN);
-    #elif ENABLED(HEATER_BED_USES_AD595)
+    #elif HEATER_BED_USES_AD595
       return TEMP_AD595(raw);
-    #elif ENABLED(HEATER_BED_USES_AD8495)
+    #elif HEATER_BED_USES_AD8495
       return TEMP_AD8495(raw);
     #else
       UNUSED(raw);
@@ -1587,13 +1593,13 @@ void Temperature::manage_heater() {
   // Derived from RepRap FiveD extruder::getTemperature()
   // For chamber temperature measurement.
   float Temperature::analog_to_celsius_chamber(const int raw) {
-    #if ENABLED(HEATER_CHAMBER_USER_THERMISTOR)
+    #if HEATER_CHAMBER_USER_THERMISTOR
       return user_thermistor_to_deg_c(CTI_CHAMBER, raw);
-    #elif ENABLED(HEATER_CHAMBER_USES_THERMISTOR)
+    #elif HEATER_CHAMBER_USES_THERMISTOR
       SCAN_THERMISTOR_TABLE(CHAMBER_TEMPTABLE, CHAMBER_TEMPTABLE_LEN);
-    #elif ENABLED(HEATER_CHAMBER_USES_AD595)
+    #elif HEATER_CHAMBER_USES_AD595
       return TEMP_AD595(raw);
-    #elif ENABLED(HEATER_CHAMBER_USES_AD8495)
+    #elif HEATER_CHAMBER_USES_AD8495
       return TEMP_AD8495(raw);
     #else
       UNUSED(raw);
@@ -1606,13 +1612,13 @@ void Temperature::manage_heater() {
   // Derived from RepRap FiveD extruder::getTemperature()
   // For probe temperature measurement.
   float Temperature::analog_to_celsius_probe(const int raw) {
-    #if ENABLED(PROBE_USER_THERMISTOR)
+    #if HEATER_PROBE_USER_THERMISTOR
       return user_thermistor_to_deg_c(CTI_PROBE, raw);
-    #elif ENABLED(PROBE_USES_THERMISTOR)
+    #elif HEATER_PROBE_USES_THERMISTOR
       SCAN_THERMISTOR_TABLE(PROBE_TEMPTABLE, PROBE_TEMPTABLE_LEN);
-    #elif ENABLED(PROBE_USES_AD595)
+    #elif HEATER_PROBE_USES_AD595
       return TEMP_AD595(raw);
-    #elif ENABLED(PROBE_USES_AD8495)
+    #elif HEATER_PROBE_USES_AD8495
       return TEMP_AD8495(raw);
     #else
       UNUSED(raw);
@@ -1628,16 +1634,11 @@ void Temperature::manage_heater() {
  * as it would block the stepper routine.
  */
 void Temperature::updateTemperaturesFromRawValues() {
-  #if ENABLED(HEATER_0_USES_MAX6675)
-    temp_hotend[0].raw = READ_MAX6675(0);
-  #endif
-  #if ENABLED(HEATER_1_USES_MAX6675)
-    temp_hotend[1].raw = READ_MAX6675(1);
-  #endif
+  TERN_(HEATER_0_USES_MAX6675, temp_hotend[0].raw = READ_MAX6675(0));
+  TERN_(HEATER_1_USES_MAX6675, temp_hotend[1].raw = READ_MAX6675(1));
   #if HAS_HOTEND
     HOTEND_LOOP() temp_hotend[e].celsius = analog_to_celsius_hotend(temp_hotend[e].raw, e);
   #endif
-
   TERN_(HAS_HEATED_BED, temp_bed.celsius = analog_to_celsius_bed(temp_bed.raw));
   TERN_(HAS_TEMP_CHAMBER, temp_chamber.celsius = analog_to_celsius_chamber(temp_chamber.raw));
   TERN_(HAS_TEMP_PROBE, temp_probe.celsius = analog_to_celsius_probe(temp_probe.raw));
@@ -1700,7 +1701,7 @@ void Temperature::init() {
 
   #if MB(RUMBA)
     // Disable RUMBA JTAG in case the thermocouple extension is plugged on top of JTAG connector
-    #define _AD(N) ANY(HEATER_##N##_USES_AD595, HEATER_##N##_USES_AD8495)
+    #define _AD(N) (HEATER_##N##_USES_AD595 || HEATER_##N##_USES_AD8495)
     #if _AD(0) || _AD(1) || _AD(2) || _AD(BED) || _AD(CHAMBER)
       MCUCR = _BV(JTD);
       MCUCR = _BV(JTD);
@@ -1802,7 +1803,7 @@ void Temperature::init() {
 
   #endif
 
-  #if ENABLED(HEATER_1_USES_MAX6675)
+  #if HEATER_1_USES_MAX6675
     OUT_WRITE(MAX6675_SS2_PIN, HIGH);
   #endif
 
@@ -2215,7 +2216,7 @@ void Temperature::disable_all_heaters() {
 
     #define MAX6675_HEAT_INTERVAL 250UL
 
-    #if ENABLED(MAX6675_IS_MAX31855)
+    #if MAX6675_IS_MAX31855
       static uint32_t max6675_temp = 2000;
       #define MAX6675_ERROR_MASK    7
       #define MAX6675_DISCARD_BITS 18
@@ -2241,7 +2242,7 @@ void Temperature::disable_all_heaters() {
 
     next_max6675_ms[hindex] = ms + MAX6675_HEAT_INTERVAL;
 
-    #if ENABLED(MAX6675_IS_MAX31865)
+    #if MAX6675_IS_MAX31865
       max6675_temp = int(max31865.temperature(MAX31865_SENSOR_OHMS, MAX31865_CALIBRATION_OHMS));
     #endif
 
@@ -2256,7 +2257,7 @@ void Temperature::disable_all_heaters() {
     #if COUNT_6675 > 1
       #define WRITE_MAX6675(V) do{ switch (hindex) { case 1: WRITE(MAX6675_SS2_PIN, V); break; default: WRITE(MAX6675_SS_PIN, V); } }while(0)
       #define SET_OUTPUT_MAX6675() do{ switch (hindex) { case 1: SET_OUTPUT(MAX6675_SS2_PIN); break; default: SET_OUTPUT(MAX6675_SS_PIN); } }while(0)
-    #elif ENABLED(HEATER_1_USES_MAX6675)
+    #elif HEATER_1_USES_MAX6675
       #define WRITE_MAX6675(V) WRITE(MAX6675_SS2_PIN, V)
       #define SET_OUTPUT_MAX6675() SET_OUTPUT(MAX6675_SS2_PIN)
     #else
@@ -2336,14 +2337,14 @@ void Temperature::disable_all_heaters() {
  */
 void Temperature::update_raw_temperatures() {
 
-  #if HAS_TEMP_ADC_0 && DISABLED(HEATER_0_USES_MAX6675)
+  #if HAS_TEMP_ADC_0 && !HEATER_0_USES_MAX6675
     temp_hotend[0].update();
   #endif
 
   #if HAS_TEMP_ADC_1
     #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
       redundant_temperature_raw = temp_hotend[1].acc;
-    #elif DISABLED(HEATER_1_USES_MAX6675)
+    #elif !HEATER_1_USES_MAX6675
       temp_hotend[1].update();
     #endif
   #endif

Marlin/src/module/temperature.h

@@ -253,31 +253,31 @@ typedef struct { int16_t raw_min, raw_max, mintemp, maxtemp; } temp_range_t;
 #if HAS_USER_THERMISTORS
 
   enum CustomThermistorIndex : uint8_t {
-    #if ENABLED(HEATER_0_USER_THERMISTOR)
+    #if HEATER_0_USER_THERMISTOR
       CTI_HOTEND_0,
     #endif
-    #if ENABLED(HEATER_1_USER_THERMISTOR)
+    #if HEATER_1_USER_THERMISTOR
       CTI_HOTEND_1,
     #endif
-    #if ENABLED(HEATER_2_USER_THERMISTOR)
+    #if HEATER_2_USER_THERMISTOR
       CTI_HOTEND_2,
     #endif
-    #if ENABLED(HEATER_3_USER_THERMISTOR)
+    #if HEATER_3_USER_THERMISTOR
       CTI_HOTEND_3,
     #endif
-    #if ENABLED(HEATER_4_USER_THERMISTOR)
+    #if HEATER_4_USER_THERMISTOR
       CTI_HOTEND_4,
     #endif
-    #if ENABLED(HEATER_5_USER_THERMISTOR)
+    #if HEATER_5_USER_THERMISTOR
       CTI_HOTEND_5,
     #endif
-    #if ENABLED(HEATER_BED_USER_THERMISTOR)
+    #if HEATER_BED_USER_THERMISTOR
       CTI_BED,
     #endif
-    #if ENABLED(HEATER_PROBE_USER_THERMISTOR)
+    #if HEATER_PROBE_USER_THERMISTOR
       CTI_PROBE,
     #endif
-    #if ENABLED(HEATER_CHAMBER_USER_THERMISTOR)
+    #if HEATER_CHAMBER_USER_THERMISTOR
       CTI_CHAMBER,
     #endif
     USER_THERMISTORS
@@ -811,15 +811,12 @@ class Temperature {
     #if HAS_MAX6675
       #define COUNT_6675 1 + BOTH(HEATER_0_USES_MAX6675, HEATER_1_USES_MAX6675)
       #if COUNT_6675 > 1
+        #define HAS_MULTI_6675
         #define READ_MAX6675(N) read_max6675(N)
       #else
         #define READ_MAX6675(N) read_max6675()
       #endif
-      static int read_max6675(
-        #if COUNT_6675 > 1
-          const uint8_t hindex=0
-        #endif
-      );
+      static int read_max6675(TERN_(HAS_MULTI_6675, const uint8_t hindex=0));
     #endif
 
     static void checkExtruderAutoFans();

Marlin/src/module/thermistor/thermistors.h

@@ -206,7 +206,7 @@ typedef struct { int16_t value, celsius; } temp_entry_t;
 #if THERMISTOR_HEATER_0
   #define HEATER_0_TEMPTABLE TT_NAME(THERMISTOR_HEATER_0)
   #define HEATER_0_TEMPTABLE_LEN COUNT(HEATER_0_TEMPTABLE)
-#elif defined(HEATER_0_USES_THERMISTOR)
+#elif HEATER_0_USES_THERMISTOR
   #error "No heater 0 thermistor table specified"
 #else
   #define HEATER_0_TEMPTABLE nullptr
@@ -216,7 +216,7 @@ typedef struct { int16_t value, celsius; } temp_entry_t;
 #if THERMISTOR_HEATER_1
   #define HEATER_1_TEMPTABLE TT_NAME(THERMISTOR_HEATER_1)
   #define HEATER_1_TEMPTABLE_LEN COUNT(HEATER_1_TEMPTABLE)
-#elif defined(HEATER_1_USES_THERMISTOR)
+#elif HEATER_1_USES_THERMISTOR
   #error "No heater 1 thermistor table specified"
 #else
   #define HEATER_1_TEMPTABLE nullptr
@@ -226,7 +226,7 @@ typedef struct { int16_t value, celsius; } temp_entry_t;
 #if THERMISTOR_HEATER_2
   #define HEATER_2_TEMPTABLE TT_NAME(THERMISTOR_HEATER_2)
   #define HEATER_2_TEMPTABLE_LEN COUNT(HEATER_2_TEMPTABLE)
-#elif defined(HEATER_2_USES_THERMISTOR)
+#elif HEATER_2_USES_THERMISTOR
   #error "No heater 2 thermistor table specified"
 #else
   #define HEATER_2_TEMPTABLE nullptr
@@ -236,7 +236,7 @@ typedef struct { int16_t value, celsius; } temp_entry_t;
 #if THERMISTOR_HEATER_3
   #define HEATER_3_TEMPTABLE TT_NAME(THERMISTOR_HEATER_3)
   #define HEATER_3_TEMPTABLE_LEN COUNT(HEATER_3_TEMPTABLE)
-#elif defined(HEATER_3_USES_THERMISTOR)
+#elif HEATER_3_USES_THERMISTOR
   #error "No heater 3 thermistor table specified"
 #else
   #define HEATER_3_TEMPTABLE nullptr
@@ -246,7 +246,7 @@ typedef struct { int16_t value, celsius; } temp_entry_t;
 #if THERMISTOR_HEATER_4
   #define HEATER_4_TEMPTABLE TT_NAME(THERMISTOR_HEATER_4)
   #define HEATER_4_TEMPTABLE_LEN COUNT(HEATER_4_TEMPTABLE)
-#elif defined(HEATER_4_USES_THERMISTOR)
+#elif HEATER_4_USES_THERMISTOR
   #error "No heater 4 thermistor table specified"
 #else
   #define HEATER_4_TEMPTABLE nullptr
@@ -256,7 +256,7 @@ typedef struct { int16_t value, celsius; } temp_entry_t;
 #if THERMISTOR_HEATER_5
   #define HEATER_5_TEMPTABLE TT_NAME(THERMISTOR_HEATER_5)
   #define HEATER_5_TEMPTABLE_LEN COUNT(HEATER_5_TEMPTABLE)
-#elif defined(HEATER_5_USES_THERMISTOR)
+#elif HEATER_5_USES_THERMISTOR
   #error "No heater 5 thermistor table specified"
 #else
   #define HEATER_5_TEMPTABLE nullptr
@@ -266,7 +266,7 @@ typedef struct { int16_t value, celsius; } temp_entry_t;
 #if THERMISTOR_HEATER_6
   #define HEATER_6_TEMPTABLE TT_NAME(THERMISTOR_HEATER_6)
   #define HEATER_6_TEMPTABLE_LEN COUNT(HEATER_6_TEMPTABLE)
-#elif defined(HEATER_6_USES_THERMISTOR)
+#elif HEATER_6_USES_THERMISTOR
   #error "No heater 6 thermistor table specified"
 #else
   #define HEATER_6_TEMPTABLE nullptr
@@ -276,7 +276,7 @@ typedef struct { int16_t value, celsius; } temp_entry_t;
 #if THERMISTOR_HEATER_7
   #define HEATER_7_TEMPTABLE TT_NAME(THERMISTOR_HEATER_7)
   #define HEATER_7_TEMPTABLE_LEN COUNT(HEATER_7_TEMPTABLE)
-#elif defined(HEATER_7_USES_THERMISTOR)
+#elif HEATER_7_USES_THERMISTOR
   #error "No heater 7 thermistor table specified"
 #else
   #define HEATER_7_TEMPTABLE nullptr
@@ -286,7 +286,7 @@ typedef struct { int16_t value, celsius; } temp_entry_t;
 #ifdef THERMISTORBED
   #define BED_TEMPTABLE TT_NAME(THERMISTORBED)
   #define BED_TEMPTABLE_LEN COUNT(BED_TEMPTABLE)
-#elif defined(HEATER_BED_USES_THERMISTOR)
+#elif HEATER_BED_USES_THERMISTOR
   #error "No bed thermistor table specified"
 #else
   #define BED_TEMPTABLE_LEN 0
@@ -295,7 +295,7 @@ typedef struct { int16_t value, celsius; } temp_entry_t;
 #ifdef THERMISTORCHAMBER
   #define CHAMBER_TEMPTABLE TT_NAME(THERMISTORCHAMBER)
   #define CHAMBER_TEMPTABLE_LEN COUNT(CHAMBER_TEMPTABLE)
-#elif defined(HEATER_CHAMBER_USES_THERMISTOR)
+#elif HEATER_CHAMBER_USES_THERMISTOR
   #error "No chamber thermistor table specified"
 #else
   #define CHAMBER_TEMPTABLE_LEN 0
@@ -304,7 +304,7 @@ typedef struct { int16_t value, celsius; } temp_entry_t;
 #ifdef THERMISTORPROBE
   #define PROBE_TEMPTABLE TT_NAME(THERMISTORPROBE)
   #define PROBE_TEMPTABLE_LEN COUNT(PROBE_TEMPTABLE)
-#elif defined(HEATER_PROBE_USES_THERMISTOR)
+#elif HEATER_PROBE_USES_THERMISTOR
   #error "No probe thermistor table specified"
 #else
   #define PROBE_TEMPTABLE_LEN 0
@@ -402,7 +402,7 @@ static_assert(
 #endif
 
 #ifndef HEATER_0_RAW_HI_TEMP
-  #if TT_REV(THERMISTOR_HEATER_0) || !defined(HEATER_0_USES_THERMISTOR)
+  #if TT_REV(THERMISTOR_HEATER_0) || !HEATER_0_USES_THERMISTOR
     #define HEATER_0_RAW_HI_TEMP MAX_RAW_THERMISTOR_VALUE
     #define HEATER_0_RAW_LO_TEMP 0
   #else
@@ -411,7 +411,7 @@ static_assert(
   #endif
 #endif
 #ifndef HEATER_1_RAW_HI_TEMP
-  #if TT_REV(THERMISTOR_HEATER_1) || !defined(HEATER_1_USES_THERMISTOR)
+  #if TT_REV(THERMISTOR_HEATER_1) || !HEATER_1_USES_THERMISTOR
     #define HEATER_1_RAW_HI_TEMP MAX_RAW_THERMISTOR_VALUE
     #define HEATER_1_RAW_LO_TEMP 0
   #else
@@ -420,7 +420,7 @@ static_assert(
   #endif
 #endif
 #ifndef HEATER_2_RAW_HI_TEMP
-  #if TT_REV(THERMISTOR_HEATER_2) || !defined(HEATER_2_USES_THERMISTOR)
+  #if TT_REV(THERMISTOR_HEATER_2) || !HEATER_2_USES_THERMISTOR
     #define HEATER_2_RAW_HI_TEMP MAX_RAW_THERMISTOR_VALUE
     #define HEATER_2_RAW_LO_TEMP 0
   #else
@@ -429,7 +429,7 @@ static_assert(
   #endif
 #endif
 #ifndef HEATER_3_RAW_HI_TEMP
-  #if TT_REV(THERMISTOR_HEATER_3) || !defined(HEATER_3_USES_THERMISTOR)
+  #if TT_REV(THERMISTOR_HEATER_3) || !HEATER_3_USES_THERMISTOR
     #define HEATER_3_RAW_HI_TEMP MAX_RAW_THERMISTOR_VALUE
     #define HEATER_3_RAW_LO_TEMP 0
   #else
@@ -438,7 +438,7 @@ static_assert(
   #endif
 #endif
 #ifndef HEATER_4_RAW_HI_TEMP
-  #if TT_REV(THERMISTOR_HEATER_4) || !defined(HEATER_4_USES_THERMISTOR)
+  #if TT_REV(THERMISTOR_HEATER_4) || !HEATER_4_USES_THERMISTOR
     #define HEATER_4_RAW_HI_TEMP MAX_RAW_THERMISTOR_VALUE
     #define HEATER_4_RAW_LO_TEMP 0
   #else
@@ -447,7 +447,7 @@ static_assert(
   #endif
 #endif
 #ifndef HEATER_5_RAW_HI_TEMP
-  #if TT_REV(THERMISTOR_HEATER_5) || !defined(HEATER_5_USES_THERMISTOR)
+  #if TT_REV(THERMISTOR_HEATER_5) || !HEATER_5_USES_THERMISTOR
     #define HEATER_5_RAW_HI_TEMP MAX_RAW_THERMISTOR_VALUE
     #define HEATER_5_RAW_LO_TEMP 0
   #else
@@ -456,7 +456,7 @@ static_assert(
   #endif
 #endif
 #ifndef HEATER_6_RAW_HI_TEMP
-  #if TT_REV(THERMISTOR_HEATER_6) || !defined(HEATER_6_USES_THERMISTOR)
+  #if TT_REV(THERMISTOR_HEATER_6) || !HEATER_6_USES_THERMISTOR
     #define HEATER_6_RAW_HI_TEMP MAX_RAW_THERMISTOR_VALUE
     #define HEATER_6_RAW_LO_TEMP 0
   #else
@@ -465,7 +465,7 @@ static_assert(
   #endif
 #endif
 #ifndef HEATER_7_RAW_HI_TEMP
-  #if TT_REV(THERMISTOR_HEATER_7) || !defined(HEATER_7_USES_THERMISTOR)
+  #if TT_REV(THERMISTOR_HEATER_7) || !HEATER_7_USES_THERMISTOR
     #define HEATER_7_RAW_HI_TEMP MAX_RAW_THERMISTOR_VALUE
     #define HEATER_7_RAW_LO_TEMP 0
   #else
@@ -474,7 +474,7 @@ static_assert(
   #endif
 #endif
 #ifndef HEATER_BED_RAW_HI_TEMP
-  #if TT_REV(THERMISTORBED) || !defined(HEATER_BED_USES_THERMISTOR)
+  #if TT_REV(THERMISTORBED) || !HEATER_BED_USES_THERMISTOR
     #define HEATER_BED_RAW_HI_TEMP MAX_RAW_THERMISTOR_VALUE
     #define HEATER_BED_RAW_LO_TEMP 0
   #else
@@ -483,7 +483,7 @@ static_assert(
   #endif
 #endif
 #ifndef HEATER_CHAMBER_RAW_HI_TEMP
-  #if TT_REV(THERMISTORCHAMBER) || !defined(HEATER_CHAMBER_USES_THERMISTOR)
+  #if TT_REV(THERMISTORCHAMBER) || !HEATER_CHAMBER_USES_THERMISTOR
     #define HEATER_CHAMBER_RAW_HI_TEMP MAX_RAW_THERMISTOR_VALUE
     #define HEATER_CHAMBER_RAW_LO_TEMP 0
   #else
@@ -492,7 +492,7 @@ static_assert(
   #endif
 #endif
 #ifndef HEATER_PROBE_RAW_HI_TEMP
-  #if TT_REV(THERMISTORPROBE) || !defined(HEATER_PROBE_USES_THERMISTOR)
+  #if TT_REV(THERMISTORPROBE) || !HEATER_PROBE_USES_THERMISTOR
     #define HEATER_PROBE_RAW_HI_TEMP MAX_RAW_THERMISTOR_VALUE
     #define HEATER_PROBE_RAW_LO_TEMP 0
   #else