Add HAS_HEATED_BED conditional (#10495)

Marlin/src/HAL/HAL_STM32F1/HAL.cpp

   #if HAS_TEMP_4
     TEMP_4_PIN,
   #endif
-  #if HAS_TEMP_BED
+  #if HAS_HEATED_BED
     TEMP_BED_PIN,
   #endif
   #if ENABLED(FILAMENT_WIDTH_SENSOR)
   #if HAS_TEMP_4
     TEMP_4,
   #endif
-  #if HAS_TEMP_BED
+  #if HAS_HEATED_BED
     TEMP_BED,
   #endif
   #if ENABLED(FILAMENT_WIDTH_SENSOR)
     #if HAS_TEMP_4
       case TEMP_4_PIN: pin_index = TEMP_4; break;
     #endif
-    #if HAS_TEMP_BED
+    #if HAS_HEATED_BED
       case TEMP_BED_PIN: pin_index = TEMP_BED; break;
     #endif
     #if ENABLED(FILAMENT_WIDTH_SENSOR)

Marlin/src/feature/leds/tempstat.cpp

   if (ELAPSED(millis(), next_status_led_update_ms)) {
     next_status_led_update_ms += 500; // Update every 0.5s
     float max_temp = 0.0;
-    #if HAS_TEMP_BED
+    #if HAS_HEATED_BED
       max_temp = MAX3(max_temp, thermalManager.degTargetBed(), thermalManager.degBed());
     #endif
     HOTEND_LOOP()

Marlin/src/feature/power_loss_recovery.cpp

           SERIAL_PROTOCOLPAIR("leveling: ", int(job_recovery_info.leveling));
           SERIAL_PROTOCOLLNPAIR(" fade: ", int(job_recovery_info.fade));
         #endif
-        SERIAL_PROTOCOLLNPAIR("target_temperature_bed: ", job_recovery_info.target_temperature_bed);
+        #if HAS_HEATED_BED
+          SERIAL_PROTOCOLLNPAIR("target_temperature_bed: ", job_recovery_info.target_temperature_bed);
+        #endif
         SERIAL_PROTOCOLLNPAIR("cmd_queue_index_r: ", job_recovery_info.cmd_queue_index_r);
         SERIAL_PROTOCOLLNPAIR("commands_in_queue: ", job_recovery_info.commands_in_queue);
         if (recovery)
     COPY(job_recovery_info.current_position, current_position);
     job_recovery_info.feedrate = feedrate_mm_s;
     COPY(job_recovery_info.target_temperature, thermalManager.target_temperature);
-    job_recovery_info.target_temperature_bed = thermalManager.target_temperature_bed;
+    #if HAS_HEATED_BED
+      job_recovery_info.target_temperature_bed = thermalManager.target_temperature_bed;
+    #endif
     COPY(job_recovery_info.fanSpeeds, fanSpeeds);
 
     #if HAS_LEVELING

Marlin/src/feature/power_loss_recovery.h

   // Machine state
   float current_position[NUM_AXIS], feedrate;
   int16_t target_temperature[HOTENDS],
-          target_temperature_bed,
           fanSpeeds[FAN_COUNT];
 
+  #if HAS_HEATED_BED
+    int16_t target_temperature_bed;
+  #endif
+
   #if HAS_LEVELING
     bool leveling;
     float fade;

Marlin/src/gcode/bedlevel/G26.cpp

  */
 inline bool turn_on_heaters() {
   millis_t next = millis() + 5000UL;
-  #if HAS_TEMP_BED
+  #if HAS_HEATED_BED
     #if ENABLED(ULTRA_LCD)
       if (g26_bed_temp > 25) {
         lcd_setstatusPGM(PSTR("G26 Heating Bed."), 99);
   #endif
 
   if (!g26_keep_heaters_on) {
-    #if HAS_TEMP_BED
+    #if HAS_HEATED_BED
       thermalManager.setTargetBed(0);
     #endif
     thermalManager.setTargetHotend(0, 0);

Marlin/src/gcode/gcode.cpp

         case 113: M113(); break;                                  // M113: Set Host Keepalive interval
       #endif
 
-      #if HAS_HEATER_BED && HAS_TEMP_BED
+      #if HAS_HEATED_BED
         case 140: M140(); break;                                  // M140: Set bed temperature
         case 190: M190(); break;                                  // M190: Wait for bed temperature to reach target
       #endif

Marlin/src/gcode/gcode.h

     #endif
   #endif
 
-  #if HAS_HEATER_BED && HAS_TEMP_BED
+  #if HAS_HEATED_BED
     static void M140();
     static void M190();
   #endif

Marlin/src/gcode/temperature/M140_M190.cpp

 
 #include "../../inc/MarlinConfig.h"
 
-#if HAS_HEATER_BED && HAS_TEMP_BED
+#if HAS_HEATED_BED
 
 #include "../gcode.h"
 #include "../../module/temperature.h"
   #endif
 }
 
-#endif // HAS_HEATER_BED && HAS_TEMP_BED
+#endif // HAS_HEATED_BED

Marlin/src/inc/Conditionals_post.h

 #define HAS_TEMP_HOTEND (HAS_TEMP_0 || ENABLED(HEATER_0_USES_MAX6675))
 #define HAS_TEMP_BED (PIN_EXISTS(TEMP_BED) && TEMP_SENSOR_BED != 0 && TEMP_SENSOR_BED > -2)
 #define HAS_TEMP_CHAMBER (PIN_EXISTS(TEMP_CHAMBER) && TEMP_SENSOR_CHAMBER != 0 && TEMP_SENSOR_CHAMBER > -2)
-#define HAS_TEMP_SENSOR (HAS_TEMP_HOTEND || HAS_TEMP_BED || HAS_TEMP_CHAMBER)
 
 // Heaters
 #define HAS_HEATER_0 (PIN_EXISTS(HEATER_0))
 #define HAS_HEATER_4 (PIN_EXISTS(HEATER_4))
 #define HAS_HEATER_BED (PIN_EXISTS(HEATER_BED))
 
+#define HAS_HEATED_BED (HAS_TEMP_BED && HAS_HEATER_BED)
+#define HAS_TEMP_SENSOR (HAS_TEMP_HOTEND || HAS_HEATED_BED || HAS_TEMP_CHAMBER)
+
 // Thermal protection
-#define HAS_THERMALLY_PROTECTED_BED (ENABLED(THERMAL_PROTECTION_BED) && HAS_TEMP_BED && HAS_HEATER_BED)
+#define HAS_THERMALLY_PROTECTED_BED (HAS_HEATED_BED && ENABLED(THERMAL_PROTECTION_BED))
 #define WATCH_HOTENDS (ENABLED(THERMAL_PROTECTION_HOTENDS) && WATCH_TEMP_PERIOD > 0)
 #define WATCH_THE_BED (HAS_THERMALLY_PROTECTED_BED && WATCH_BED_TEMP_PERIOD > 0)
 
 /**
  * Heated bed requires settings
  */
-#if HAS_HEATER_BED
+#if HAS_HEATED_BED
   #ifndef MAX_BED_POWER
     #define MAX_BED_POWER 255
   #endif

Marlin/src/lcd/dogm/dogm_bitmaps.h

  */
 
 /**
- * Standard Marlin Boot Screen bitmaps
+ * Standard Marlin Boot and Status Screen bitmaps
  *
  * Use the Marlin Bitmap Converter to make your own:
  * http://marlinfw.org/tools/u8glib/converter.html
   // STATUS_SCREEN_HOTEND_TEXT_X(i) to modify draw locations.
   #include "../../../_Statusscreen.h"
 
-#elif HAS_TEMP_BED
+#elif HAS_HEATED_BED
 
   #define STATUS_SCREEN_X        (  8 + (HOTENDS ? 0 : 64))
   #define STATUS_SCREENWIDTH     (120 - (HOTENDS ? 0 : 64))
     };
   #endif // HOTENDS
 
-#else // !HAS_TEMP_BED
+#else // !HAS_HEATED_BED
 
   #define STATUS_SCREEN_X        (  8 + (HOTENDS ? 0 : 96))
   #define STATUS_SCREENWIDTH     (120 - (HOTENDS ? 0 : 96))
 
   #endif // HOTENDS
 
-#endif // !HAS_TEMP_BED
+#endif // !HAS_HEATED_BED
 
 #if ENABLED(BABYSTEP_ZPROBE_GFX_OVERLAY) || ENABLED(MESH_EDIT_GFX_OVERLAY)
 

Marlin/src/lcd/dogm/status_screen_DOGM.h

     UNUSED(blink);
   #endif
 
-  #if HAS_TEMP_BED
+  #if HAS_HEATED_BED
     const bool isBed = heater < 0;
   #else
     constexpr bool isBed = false;
 
   if (PAGE_UNDER(7)) {
     #if HEATER_IDLE_HANDLER
-      const bool is_idle = (!isBed ? thermalManager.is_heater_idle(heater) :
-        #if HAS_TEMP_BED
-          thermalManager.is_bed_idle()
-        #else
-          false
+      const bool is_idle = (
+        #if HAS_HEATED_BED
+          isBed ? thermalManager.is_bed_idle() :
         #endif
+        thermalManager.is_heater_idle(heater)
       );
 
       if (blink || !is_idle)
     #endif
-    _draw_centered_temp((isBed ? thermalManager.degTargetBed() : thermalManager.degTargetHotend(heater)) + 0.5, x, 7); }
+        _draw_centered_temp(0.5 + (
+            #if HAS_HEATED_BED
+              isBed ? thermalManager.degTargetBed() :
+            #endif
+            thermalManager.degTargetHotend(heater)
+          ), x, 7
+        );
+  }
 
   if (PAGE_CONTAINS(21, 28))
-    _draw_centered_temp((isBed ? thermalManager.degBed() : thermalManager.degHotend(heater)) + 0.5, x, 28);
+    _draw_centered_temp(0.5 + (
+        #if HAS_HEATED_BED
+          isBed ? thermalManager.degBed() :
+        #endif
+        thermalManager.degHotend(heater)
+      ), x, 28
+    );
 
   if (PAGE_CONTAINS(17, 20)) {
     const uint8_t h = isBed ? 7 : HEAT_INDICATOR_X,
                   y = isBed ? 18 : 17;
-    if (isBed ? thermalManager.isHeatingBed() : thermalManager.isHeatingHotend(heater)) {
+    if (
+      #if HAS_HEATED_BED
+        isBed ? thermalManager.isHeatingBed() :
+      #endif
+      thermalManager.isHeatingHotend(heater)
+    ) {
       u8g.setColorIndex(0); // white on black
       u8g.drawBox(x + h, y, 2, 2);
       u8g.setColorIndex(1); // black on white
     }
-    else {
+    else
       u8g.drawBox(x + h, y, 2, 2);
-    }
   }
 }
 
     HOTEND_LOOP() _draw_heater_status(STATUS_SCREEN_HOTEND_TEXT_X(e), e, blink);
 
     // Heated bed
-    #if HOTENDS < 4 && HAS_TEMP_BED
+    #if HOTENDS < 4 && HAS_HEATED_BED
       _draw_heater_status(STATUS_SCREEN_BED_TEXT_X, -1, blink);
     #endif
 

Marlin/src/lcd/dogm/status_screen_lite_ST7920.h

 static struct {
   bool E1_show_target  : 1;
   bool E2_show_target  : 1;
-  #if HAS_HEATER_BED
+  #if HAS_HEATED_BED
     bool bed_show_target : 1;
   #endif
 } display_state = {
   true, true
-  #if HAS_HEATER_BED
+  #if HAS_HEATED_BED
     , true
   #endif
 };
   display_state.E2_show_target = show_target;
 }
 
-#if HAS_HEATER_BED
+#if HAS_HEATED_BED
   void ST7920_Lite_Status_Screen::draw_bed_temp(const int16_t temp, const int16_t target, bool forceUpdate) {
     const bool show_target = target && FAR(temp, target);
     draw_temps(2
   #if EXTRUDERS == 2
     const int16_t  extruder_2_target = thermalManager.degTargetHotend(1);
   #endif
-  #if HAS_HEATER_BED
+  #if HAS_HEATED_BED
     const int16_t  bed_target        = thermalManager.degTargetBed();
   #endif
   static uint16_t last_checksum = 0;
     #if EXTRUDERS == 2
       ^ extruder_2_target
     #endif
-    #if HAS_HEATER_BED
+    #if HAS_HEATED_BED
       ^ bed_target
     #endif
   ;
       const int16_t  extruder_2_temp   = thermalManager.degHotend(1),
                      extruder_2_target = thermalManager.degTargetHotend(1);
     #endif
-    #if HAS_HEATER_BED
+    #if HAS_HEATED_BED
       const int16_t  bed_temp          = thermalManager.degBed(),
                      bed_target        = thermalManager.degTargetBed();
     #endif
     #if EXTRUDERS == 2
       draw_extruder_2_temp(extruder_2_temp, extruder_2_target, forceUpdate);
     #endif
-    #if HAS_HEATER_BED
+    #if HAS_HEATED_BED
       draw_bed_temp(bed_temp, bed_target, forceUpdate);
     #endif
     draw_fan_speed(fan_speed);
 
     // Update the fan and bed animations
     if (fan_speed > 0) draw_fan_icon(blink);
-    #if HAS_HEATER_BED
+    #if HAS_HEATED_BED
       if (bed_target > 0)
         draw_heat_icon(blink, true);
       else

Marlin/src/lcd/ultralcd.cpp

         #endif
       ));
 
-      // Restore the bed temperature
-      sprintf_P(cmd, PSTR("M190 S%i"), job_recovery_info.target_temperature_bed);
-      enqueue_and_echo_command(cmd);
+      #if HAS_HEATED_BED
+        // Restore the bed temperature
+        sprintf_P(cmd, PSTR("M190 S%i"), job_recovery_info.target_temperature_bed);
+        enqueue_and_echo_command(cmd);
+      #endif
 
       // Restore all hotend temperatures
       HOTEND_LOOP() {
     //
     // Bed:
     //
-    #if HAS_TEMP_BED
+    #if HAS_HEATED_BED
       MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(int3, MSG_BED, &thermalManager.target_temperature_bed, 0, BED_MAXTEMP - 15, watch_temp_callback_bed);
     #endif
 
                x_plot = 0,
                y_plot = 0;
 
-    #if HAS_TEMP_BED
+    #if HAS_HEATED_BED
       static int16_t custom_bed_temp = 50;
     #endif
 
     void _lcd_ubl_build_custom_mesh() {
       char UBL_LCD_GCODE[20];
       enqueue_and_echo_commands_P(PSTR("G28"));
-      #if HAS_TEMP_BED
+      #if HAS_HEATED_BED
         sprintf_P(UBL_LCD_GCODE, PSTR("M190 S%i"), custom_bed_temp);
         lcd_enqueue_command(UBL_LCD_GCODE);
       #endif
       START_MENU();
       MENU_BACK(MSG_UBL_BUILD_MESH_MENU);
       MENU_ITEM_EDIT(int3, MSG_UBL_CUSTOM_HOTEND_TEMP, &custom_hotend_temp, EXTRUDE_MINTEMP, (HEATER_0_MAXTEMP - 10));
-      #if HAS_TEMP_BED
+      #if HAS_HEATED_BED
         MENU_ITEM_EDIT(int3, MSG_UBL_CUSTOM_BED_TEMP, &custom_bed_temp, BED_MINTEMP, (BED_MAXTEMP - 15));
       #endif
       MENU_ITEM(function, MSG_UBL_BUILD_CUSTOM_MESH, _lcd_ubl_build_custom_mesh);
     void _lcd_ubl_validate_custom_mesh() {
       char UBL_LCD_GCODE[24];
       const int temp =
-        #if HAS_TEMP_BED
+        #if HAS_HEATED_BED
           custom_bed_temp
         #else
           0
     void _lcd_ubl_validate_mesh() {
       START_MENU();
       MENU_BACK(MSG_UBL_TOOLS);
-      #if HAS_TEMP_BED
+      #if HAS_HEATED_BED
         MENU_ITEM(gcode, MSG_UBL_VALIDATE_PLA_MESH, PSTR("G28\nG26 C B" STRINGIFY(PREHEAT_1_TEMP_BED) " H" STRINGIFY(PREHEAT_1_TEMP_HOTEND) " P"));
         MENU_ITEM(gcode, MSG_UBL_VALIDATE_ABS_MESH, PSTR("G28\nG26 C B" STRINGIFY(PREHEAT_2_TEMP_BED) " H" STRINGIFY(PREHEAT_2_TEMP_HOTEND) " P"));
       #else
     void _lcd_ubl_build_mesh() {
       START_MENU();
       MENU_BACK(MSG_UBL_TOOLS);
-      #if HAS_TEMP_BED
+      #if HAS_HEATED_BED
         MENU_ITEM(gcode, MSG_UBL_BUILD_PLA_MESH, PSTR(
           "G28\n"
           "M190 S" STRINGIFY(PREHEAT_1_TEMP_BED) "\n"
       //
       bool has_heat = false;
       HOTEND_LOOP() if (thermalManager.target_temperature[HOTEND_INDEX]) { has_heat = true; break; }
-      #if HAS_TEMP_BED
+      #if HAS_HEATED_BED
         if (thermalManager.target_temperature_bed) has_heat = true;
       #endif
       if (has_heat) MENU_ITEM(function, MSG_COOLDOWN, lcd_cooldown);
     //
     // Bed:
     //
-    #if HAS_TEMP_BED
+    #if HAS_HEATED_BED
       MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(int3, MSG_BED, &thermalManager.target_temperature_bed, 0, BED_MAXTEMP - 15, watch_temp_callback_bed);
     #endif
 
       }
     #endif
 
-  #endif
+  #endif // ULTIPANEL
 
   #if ENABLED(SDSUPPORT) && PIN_EXISTS(SD_DETECT)
 

Marlin/src/lcd/ultralcd_impl_HD44780.h

 }
 
 FORCE_INLINE void _draw_heater_status(const int8_t heater, const char prefix, const bool blink) {
-  #if TEMP_SENSOR_BED
+  #if HAS_HEATED_BED
     const bool isBed = heater < 0;
+    const float t1 = (isBed ? thermalManager.degBed()       : thermalManager.degHotend(heater)),
+                t2 = (isBed ? thermalManager.degTargetBed() : thermalManager.degTargetHotend(heater));
   #else
-    constexpr bool isBed = false;
+    const float t1 = thermalManager.degHotend(heater), t2 = thermalManager.degTargetHotend(heater);
   #endif
 
-  const float t1 = (isBed ? thermalManager.degBed()       : thermalManager.degHotend(heater)),
-              t2 = (isBed ? thermalManager.degTargetBed() : thermalManager.degTargetHotend(heater));
-
   if (prefix >= 0) lcd_put_wchar(prefix);
 
   lcd_put_u8str(itostr3(t1 + 0.5));
   #if !HEATER_IDLE_HANDLER
     UNUSED(blink);
   #else
-    const bool is_idle = (!isBed ? thermalManager.is_heater_idle(heater) :
-      #if HAS_TEMP_BED
-        thermalManager.is_bed_idle()
-      #else
-        false
+    const bool is_idle = (
+      #if HAS_HEATED_BED
+        isBed ? thermalManager.is_bed_idle() :
       #endif
+      thermalManager.is_heater_idle(heater)
     );
 
     if (!blink && is_idle) {

Marlin/src/module/motion.cpp

     }
   #endif
 
-  #if HOMING_Z_WITH_PROBE && HAS_TEMP_BED && ENABLED(WAIT_FOR_BED_HEATER)
+  #if HOMING_Z_WITH_PROBE && HAS_HEATED_BED && ENABLED(WAIT_FOR_BED_HEATER)
     // Wait for bed to heat back up between probing points
     if (axis == Z_AXIS && distance < 0 && thermalManager.isHeatingBed()) {
       serialprintPGM(msg_wait_for_bed_heating);

Marlin/src/module/probe.cpp

  * @return true to indicate an error
  */
 
-#if HAS_TEMP_BED && ENABLED(WAIT_FOR_BED_HEATER)
+#if HAS_HEATED_BED && ENABLED(WAIT_FOR_BED_HEATER)
   const char msg_wait_for_bed_heating[25] PROGMEM = "Wait for bed heating...\n";
 #endif
 
     if (DEBUGGING(LEVELING)) DEBUG_POS(">>> do_probe_move", current_position);
   #endif
 
-  #if HAS_TEMP_BED && ENABLED(WAIT_FOR_BED_HEATER)
+  #if HAS_HEATED_BED && ENABLED(WAIT_FOR_BED_HEATER)
     // Wait for bed to heat back up between probing points
     if (thermalManager.isHeatingBed()) {
       serialprintPGM(msg_wait_for_bed_heating);

Marlin/src/module/probe.h

   float probe_pt(const float &rx, const float &ry, const ProbePtRaise raise_after=PROBE_PT_NONE, const uint8_t verbose_level=0, const bool probe_relative=true);
   #define DEPLOY_PROBE() set_probe_deployed(true)
   #define STOW_PROBE() set_probe_deployed(false)
-  #if HAS_TEMP_BED && ENABLED(WAIT_FOR_BED_HEATER)
+  #if HAS_HEATED_BED && ENABLED(WAIT_FOR_BED_HEATER)
     extern const char msg_wait_for_bed_heating[25];
   #endif
 #else

Marlin/src/module/temperature.cpp

  * Macros to include the heater id in temp errors. The compiler's dead-code
  * elimination should (hopefully) optimize out the unused strings.
  */
-#if HAS_TEMP_BED
+#if HAS_HEATED_BED
   #define TEMP_ERR_PSTR(MSG, E) \
     (E) == -1 ? PSTR(MSG ## _BED) : \
     (HOTENDS > 1 && (E) == 1) ? PSTR(MSG_E2 " " MSG) : \
 
 // public:
 
-float Temperature::current_temperature[HOTENDS] = { 0.0 },
-      Temperature::current_temperature_chamber = 0.0,
-      Temperature::current_temperature_bed = 0.0;
-
+float Temperature::current_temperature[HOTENDS] = { 0.0 };
 int16_t Temperature::current_temperature_raw[HOTENDS] = { 0 },
-        Temperature::target_temperature[HOTENDS] = { 0 },
-        Temperature::current_temperature_chamber_raw = 0,
-        Temperature::current_temperature_bed_raw = 0;
+        Temperature::target_temperature[HOTENDS] = { 0 };
 
 #if ENABLED(AUTO_POWER_E_FANS)
   int16_t Temperature::autofan_speed[HOTENDS] = { 0 };
 #endif
 
-#if HAS_HEATER_BED
-  int16_t Temperature::target_temperature_bed = 0;
+#if HAS_HEATED_BED
+  float Temperature::current_temperature_bed = 0.0;
+  int16_t Temperature::current_temperature_bed_raw = 0,
+          Temperature::target_temperature_bed = 0;
+  uint8_t Temperature::soft_pwm_amount_bed;
+  #ifdef BED_MINTEMP
+    int16_t Temperature::bed_minttemp_raw = HEATER_BED_RAW_LO_TEMP;
+  #endif
+  #ifdef BED_MAXTEMP
+    int16_t Temperature::bed_maxttemp_raw = HEATER_BED_RAW_HI_TEMP;
+  #endif
+  #if WATCH_THE_BED
+    uint16_t Temperature::watch_target_bed_temp = 0;
+    millis_t Temperature::watch_bed_next_ms = 0;
+  #endif
+  #if ENABLED(PIDTEMPBED)
+    float Temperature::bedKp, Temperature::bedKi, Temperature::bedKd, // Initialized by settings.load()
+          Temperature::temp_iState_bed = { 0 },
+          Temperature::temp_dState_bed = { 0 },
+          Temperature::pTerm_bed,
+          Temperature::iTerm_bed,
+          Temperature::dTerm_bed,
+          Temperature::pid_error_bed;
+  #else
+    millis_t Temperature::next_bed_check_ms;
+  #endif
+  uint16_t Temperature::raw_temp_bed_value = 0;
+  #if HEATER_IDLE_HANDLER
+    millis_t Temperature::bed_idle_timeout_ms = 0;
+    bool Temperature::bed_idle_timeout_exceeded = false;
+  #endif
+#endif // HAS_HEATED_BED
+
+#if HAS_TEMP_CHAMBER
+  float Temperature::current_temperature_chamber = 0.0;
+  int16_t Temperature::current_temperature_chamber_raw = 0;
+  uint16_t Temperature::raw_temp_chamber_value = 0;
 #endif
 
 // Initialized by settings.load()
   #endif
 #endif
 
-// Initialized by settings.load()
-#if ENABLED(PIDTEMPBED)
-  float Temperature::bedKp, Temperature::bedKi, Temperature::bedKd;
-#endif
-
 #if ENABLED(BABYSTEPPING)
   volatile int Temperature::babystepsTodo[XYZ] = { 0 };
 #endif
   millis_t Temperature::watch_heater_next_ms[HOTENDS] = { 0 };
 #endif
 
-#if WATCH_THE_BED
-  uint16_t Temperature::watch_target_bed_temp = 0;
-  millis_t Temperature::watch_bed_next_ms = 0;
-#endif
-
 #if ENABLED(PREVENT_COLD_EXTRUSION)
   bool Temperature::allow_cold_extrude = false;
   int16_t Temperature::extrude_min_temp = EXTRUDE_MINTEMP;
   bool Temperature::pid_reset[HOTENDS];
 #endif
 
-#if ENABLED(PIDTEMPBED)
-  float Temperature::temp_iState_bed = { 0 },
-        Temperature::temp_dState_bed = { 0 },
-        Temperature::pTerm_bed,
-        Temperature::iTerm_bed,
-        Temperature::dTerm_bed,
-        Temperature::pid_error_bed;
-#else
-  millis_t Temperature::next_bed_check_ms;
-#endif
-
-uint16_t Temperature::raw_temp_value[MAX_EXTRUDERS] = { 0 },
-         Temperature::raw_temp_chamber_value = 0,
-         Temperature::raw_temp_bed_value = 0;
+uint16_t Temperature::raw_temp_value[MAX_EXTRUDERS] = { 0 };
 
 // Init min and max temp with extreme values to prevent false errors during startup
 int16_t Temperature::minttemp_raw[HOTENDS] = ARRAY_BY_HOTENDS(HEATER_0_RAW_LO_TEMP , HEATER_1_RAW_LO_TEMP , HEATER_2_RAW_LO_TEMP, HEATER_3_RAW_LO_TEMP, HEATER_4_RAW_LO_TEMP),
   millis_t Temperature::preheat_end_time[HOTENDS] = { 0 };
 #endif
 
-#ifdef BED_MINTEMP
-  int16_t Temperature::bed_minttemp_raw = HEATER_BED_RAW_LO_TEMP;
-#endif
-
-#ifdef BED_MAXTEMP
-  int16_t Temperature::bed_maxttemp_raw = HEATER_BED_RAW_HI_TEMP;
-#endif
-
 #if ENABLED(FILAMENT_WIDTH_SENSOR)
   int8_t Temperature::meas_shift_index;  // Index of a delayed sample in buffer
 #endif
   millis_t Temperature::next_auto_fan_check_ms = 0;
 #endif
 
-uint8_t Temperature::soft_pwm_amount[HOTENDS],
-        Temperature::soft_pwm_amount_bed;
+uint8_t Temperature::soft_pwm_amount[HOTENDS];
 
 #if ENABLED(FAN_SOFT_PWM)
   uint8_t Temperature::soft_pwm_amount_fan[FAN_COUNT],
 #if HEATER_IDLE_HANDLER
   millis_t Temperature::heater_idle_timeout_ms[HOTENDS] = { 0 };
   bool Temperature::heater_idle_timeout_exceeded[HOTENDS] = { false };
-  #if HAS_TEMP_BED
-    millis_t Temperature::bed_idle_timeout_ms = 0;
-    bool Temperature::bed_idle_timeout_exceeded = false;
-  #endif
 #endif
 
 #if ENABLED(ADC_KEYPAD)
 
 Temperature::Temperature() { }
 
-int Temperature::getHeaterPower(int heater) {
-  return heater < 0 ? soft_pwm_amount_bed : soft_pwm_amount[heater];
+int Temperature::getHeaterPower(const int heater) {
+  return (
+    #if HAS_HEATED_BED
+      heater < 0 ? soft_pwm_amount_bed :
+    #endif
+    soft_pwm_amount[heater]
+  );
 }
 
 #if HAS_AUTO_FAN
 void Temperature::max_temp_error(const int8_t e) {
   _temp_error(e, PSTR(MSG_T_MAXTEMP), TEMP_ERR_PSTR(MSG_ERR_MAXTEMP, e));
 }
+
 void Temperature::min_temp_error(const int8_t e) {
   _temp_error(e, PSTR(MSG_T_MINTEMP), TEMP_ERR_PSTR(MSG_ERR_MINTEMP, e));
 }
     }
   #endif // FILAMENT_WIDTH_SENSOR
 
-  #if WATCH_THE_BED
-    // Make sure temperature is increasing
-    if (watch_bed_next_ms && ELAPSED(ms, watch_bed_next_ms)) {        // Time to check the bed?
-      if (degBed() < watch_target_bed_temp)                           // Failed to increase enough?
-        _temp_error(-1, PSTR(MSG_T_HEATING_FAILED), TEMP_ERR_PSTR(MSG_HEATING_FAILED_LCD, -1));
-      else                                                            // Start again if the target is still far off
-        start_watching_bed();
-    }
-  #endif // WATCH_THE_BED
+  #if HAS_HEATED_BED
+
+    #if WATCH_THE_BED
+      // Make sure temperature is increasing
+      if (watch_bed_next_ms && ELAPSED(ms, watch_bed_next_ms)) {        // Time to check the bed?
+        if (degBed() < watch_target_bed_temp)                           // Failed to increase enough?
+          _temp_error(-1, PSTR(MSG_T_HEATING_FAILED), TEMP_ERR_PSTR(MSG_HEATING_FAILED_LCD, -1));
+        else                                                            // Start again if the target is still far off
+          start_watching_bed();
+      }
+    #endif // WATCH_THE_BED
 
-  #if DISABLED(PIDTEMPBED)
-    if (PENDING(ms, next_bed_check_ms)
+    #if DISABLED(PIDTEMPBED)
+      if (PENDING(ms, next_bed_check_ms)
+        #if ENABLED(PROBING_HEATERS_OFF) && ENABLED(BED_LIMIT_SWITCHING)
+          && paused == last_pause_state
+        #endif
+      ) return;
+      next_bed_check_ms = ms + BED_CHECK_INTERVAL;
       #if ENABLED(PROBING_HEATERS_OFF) && ENABLED(BED_LIMIT_SWITCHING)
-        && paused == last_pause_state
+        last_pause_state = paused;
       #endif
-    ) return;
-    next_bed_check_ms = ms + BED_CHECK_INTERVAL;
-    #if ENABLED(PROBING_HEATERS_OFF) && ENABLED(BED_LIMIT_SWITCHING)
-      last_pause_state = paused;
     #endif
-  #endif
-
-  #if HAS_TEMP_BED
 
     #if HEATER_IDLE_HANDLER
       if (!bed_idle_timeout_exceeded && bed_idle_timeout_ms && ELAPSED(ms, bed_idle_timeout_ms))
         }
       #endif
     }
-  #endif // HAS_TEMP_BED
+  #endif // HAS_HEATED_BED
 }
 
 #define PGM_RD_W(x)   (short)pgm_read_word(&x)
   return ((raw * ((5.0 * 100.0) / 1024.0) / OVERSAMPLENR) * (TEMP_SENSOR_AD595_GAIN)) + TEMP_SENSOR_AD595_OFFSET;
 }
 
-#if HAS_TEMP_BED
+#if HAS_HEATED_BED
   // Derived from RepRap FiveD extruder::getTemperature()
   // For bed temperature measurement.
   float Temperature::analog2tempBed(const int raw) {
 
     #endif
   }
-#endif // HAS_TEMP_BED
+#endif // HAS_HEATED_BED
 
 #if HAS_TEMP_CHAMBER
   // Derived from RepRap FiveD extruder::getTemperature()
   #endif
   HOTEND_LOOP()
     current_temperature[e] = Temperature::analog2temp(current_temperature_raw[e], e);
-  #if HAS_TEMP_BED
+  #if HAS_HEATED_BED
     current_temperature_bed = Temperature::analog2tempBed(current_temperature_bed_raw);
   #endif
   #if HAS_TEMP_CHAMBER
   #if HAS_HEATER_4
     OUT_WRITE(HEATER_3_PIN, HEATER_4_INVERTING);
   #endif
-  #if HAS_HEATER_BED
+  #if HAS_HEATED_BED
     OUT_WRITE(HEATER_BED_PIN, HEATER_BED_INVERTING);
   #endif
 
   #if HAS_TEMP_4
     HAL_ANALOG_SELECT(TEMP_4_PIN);
   #endif
-  #if HAS_TEMP_BED
+  #if HAS_HEATED_BED
     HAL_ANALOG_SELECT(TEMP_BED_PIN);
   #endif
   #if HAS_TEMP_CHAMBER
     #endif // HOTENDS > 2
   #endif // HOTENDS > 1
 
-  #if HAS_TEMP_BED
+  #if HAS_HEATED_BED
     #ifdef BED_MINTEMP
       while (analog2tempBed(bed_minttemp_raw) < BED_MINTEMP) {
         #if HEATER_BED_RAW_LO_TEMP < HEATER_BED_RAW_HI_TEMP
         #endif
       }
     #endif // BED_MAXTEMP
-  #endif // HAS_TEMP_BED
+  #endif // HAS_HEATED_BED
 
   #if ENABLED(PROBING_HEATERS_OFF)
     paused = false;
     #if HEATER_IDLE_HANDLER
       // If the heater idle timeout expires, restart
       if ((heater_id >= 0 && heater_idle_timeout_exceeded[heater_id])
-        #if HAS_TEMP_BED
+        #if HAS_HEATED_BED
           || (heater_id < 0 && bed_idle_timeout_exceeded)
         #endif
       ) {
   #endif
 
   HOTEND_LOOP() setTargetHotend(0, e);
-  setTargetBed(0);
+
+  #if HAS_HEATED_BED
+    setTargetBed(0);
+  #endif
 
   // Unpause and reset everything
   #if ENABLED(PROBING_HEATERS_OFF)
     #endif // HOTENDS > 1
   #endif
 
-  #if HAS_TEMP_BED
+  #if HAS_HEATED_BED
     target_temperature_bed = 0;
     soft_pwm_amount_bed = 0;
-    #if HAS_HEATER_BED
+    #if HAS_HEATED_BED
       WRITE_HEATER_BED(LOW);
     #endif
   #endif
       paused = p;
       if (p) {
         HOTEND_LOOP() start_heater_idle_timer(e, 0); // timeout immediately
-        #if HAS_TEMP_BED
+        #if HAS_HEATED_BED
           start_bed_idle_timer(0); // timeout immediately
         #endif
       }
       else {
         HOTEND_LOOP() reset_heater_idle_timer(e);
-        #if HAS_TEMP_BED
+        #if HAS_HEATED_BED
           reset_bed_idle_timer();
         #endif
       }
       #endif
     #endif
   #endif
-  current_temperature_bed_raw = raw_temp_bed_value;
-  current_temperature_chamber_raw = raw_temp_chamber_value;
+
+  #if HAS_HEATED_BED
+    current_temperature_bed_raw = raw_temp_bed_value;
+  #endif
+  #if HAS_TEMP_CHAMBER
+    current_temperature_chamber_raw = raw_temp_chamber_value;
+  #endif
   temp_meas_ready = true;
 }
 
       #endif // HOTENDS > 3
     #endif // HOTENDS > 2
   #endif // HOTENDS > 1
-  #if HAS_HEATER_BED
+  #if HAS_HEATED_BED
     ISR_STATICS(BED);
   #endif
 
         #endif // HOTENDS > 2
       #endif // HOTENDS > 1
 
-      #if HAS_HEATER_BED
+      #if HAS_HEATED_BED
         soft_pwm_count_BED = (soft_pwm_count_BED & pwm_mask) + soft_pwm_amount_bed;
         WRITE_HEATER_BED(soft_pwm_count_BED > pwm_mask ? HIGH : LOW);
       #endif
         #endif // HOTENDS > 2
       #endif // HOTENDS > 1
 
-      #if HAS_HEATER_BED
+      #if HAS_HEATED_BED
         if (soft_pwm_count_BED <= pwm_count_tmp) WRITE_HEATER_BED(LOW);
       #endif
 
           #endif // HOTENDS > 3
         #endif // HOTENDS > 2
       #endif // HOTENDS > 1
-      #if HAS_HEATER_BED
+      #if HAS_HEATED_BED
         _SLOW_PWM_ROUTINE(BED, soft_pwm_amount_bed); // BED
       #endif
 
         #endif // HOTENDS > 3
       #endif // HOTENDS > 2
     #endif // HOTENDS > 1
-    #if HAS_HEATER_BED
+    #if HAS_HEATED_BED
       PWM_OFF_ROUTINE(BED); // BED
     #endif
 
           #endif // HOTENDS > 3
         #endif // HOTENDS > 2
       #endif // HOTENDS > 1
-      #if HAS_HEATER_BED
+      #if HAS_HEATED_BED
         if (state_timer_heater_BED > 0) state_timer_heater_BED--;
       #endif
     } // ((pwm_count >> SOFT_PWM_SCALE) & 0x3F) == 0
         break;
     #endif
 
-    #if HAS_TEMP_BED
+    #if HAS_HEATED_BED
       case PrepareTemp_BED:
         HAL_START_ADC(TEMP_BED_PIN);
         break;
     #endif
 
     ZERO(raw_temp_value);
-    raw_temp_bed_value = 0;
-    raw_temp_chamber_value = 0;
+
+    #if HAS_HEATED_BED
+      raw_temp_bed_value = 0;
+    #endif
+
+    #if HAS_TEMP_CHAMBER
+      raw_temp_chamber_value = 0;
+    #endif
 
     #define TEMPDIR(N) ((HEATER_##N##_RAW_LO_TEMP) > (HEATER_##N##_RAW_HI_TEMP) ? -1 : 1)
 
       #endif
     }
 
-    #if HAS_TEMP_BED
+    #if HAS_HEATED_BED
       #if HEATER_BED_RAW_LO_TEMP > HEATER_BED_RAW_HI_TEMP
         #define GEBED <=
       #else
     #endif
     , const int8_t e=-3
   ) {
-    #if !(HAS_TEMP_BED && HAS_TEMP_HOTEND && HAS_TEMP_CHAMBER) && HOTENDS <= 1
+    #if !(HAS_HEATED_BED && HAS_TEMP_HOTEND && HAS_TEMP_CHAMBER) && HOTENDS <= 1
       UNUSED(e);
     #endif
 
     SERIAL_PROTOCOLCHAR_P(port, ' ');
     SERIAL_PROTOCOLCHAR_P(port,
-      #if HAS_TEMP_CHAMBER && HAS_TEMP_BED && HAS_TEMP_HOTEND
+      #if HAS_TEMP_CHAMBER && HAS_HEATED_BED && HAS_TEMP_HOTEND
         e == -2 ? 'C' : e == -1 ? 'B' : 'T'
-      #elif HAS_TEMP_BED && HAS_TEMP_HOTEND
+      #elif HAS_HEATED_BED && HAS_TEMP_HOTEND
         e == -1 ? 'B' : 'T'
       #elif HAS_TEMP_HOTEND
         'T'
         #endif
       );
     #endif
-    #if HAS_TEMP_BED
+    #if HAS_HEATED_BED
       print_heater_state(degBed(), degTargetBed()
         #if ENABLED(SHOW_TEMP_ADC_VALUES)
           , rawBedTemp()
     #endif
     SERIAL_PROTOCOLPGM_P(port, " @:");
     SERIAL_PROTOCOL_P(port, getHeaterPower(gcode.target_extruder));
-    #if HAS_TEMP_BED
+    #if HAS_HEATED_BED
       SERIAL_PROTOCOLPGM_P(port, " B@:");
       SERIAL_PROTOCOL_P(port, getHeaterPower(-1));
     #endif

Marlin/src/module/temperature.h

     PrepareTemp_4,
     MeasureTemp_4,
   #endif
-  #if HAS_TEMP_BED
+  #if HAS_HEATED_BED
     PrepareTemp_BED,
     MeasureTemp_BED,
   #endif
   #define unscalePID_d(d) ( (d) * PID_dT )
 #endif
 
-#if !HAS_HEATER_BED
-  constexpr int16_t target_temperature_bed = 0;
-#endif
-
 class Temperature {
 
   public:
 
-    static float current_temperature[HOTENDS],
-                 current_temperature_chamber,
-                 current_temperature_bed;
+    static volatile bool in_temp_isr;
+
+    static float current_temperature[HOTENDS];
     static int16_t current_temperature_raw[HOTENDS],
-                   target_temperature[HOTENDS],
-                   current_temperature_chamber_raw,
-                   current_temperature_bed_raw;
+                   target_temperature[HOTENDS];
+    static uint8_t soft_pwm_amount[HOTENDS];
 
     #if ENABLED(AUTO_POWER_E_FANS)
       static int16_t autofan_speed[HOTENDS];
     #endif
 
-    #if HAS_HEATER_BED
-      static int16_t target_temperature_bed;
-    #endif
-
-    static volatile bool in_temp_isr;
-
-    static uint8_t soft_pwm_amount[HOTENDS],
-                   soft_pwm_amount_bed;
-
     #if ENABLED(FAN_SOFT_PWM)
       static uint8_t soft_pwm_amount_fan[FAN_COUNT],
                      soft_pwm_count_fan[FAN_COUNT];
 
     #endif
 
-    #if ENABLED(PIDTEMPBED)
-      static float bedKp, bedKi, bedKd;
-    #endif
-
-    #if ENABLED(BABYSTEPPING)
-      static volatile int babystepsTodo[3];
+    #if HAS_HEATED_BED
+      static float current_temperature_bed;
+      static int16_t current_temperature_bed_raw, target_temperature_bed;
+      static uint8_t soft_pwm_amount_bed;
+      #if ENABLED(PIDTEMPBED)
+        static float bedKp, bedKi, bedKd;
+      #endif
     #endif
 
-    #if WATCH_HOTENDS
-      static uint16_t watch_target_temp[HOTENDS];
-      static millis_t watch_heater_next_ms[HOTENDS];
+    #if HAS_TEMP_CHAMBER
+      static float current_temperature_chamber;
+      static int16_t current_temperature_chamber_raw;
     #endif
 
-    #if WATCH_THE_BED
-      static uint16_t watch_target_bed_temp;
-      static millis_t watch_bed_next_ms;
+    #if ENABLED(BABYSTEPPING)
+      static volatile int babystepsTodo[3];
     #endif
 
     #if ENABLED(PREVENT_COLD_EXTRUSION)
   private:
 
     #if EARLY_WATCHDOG
-      // If temperature controller is running
-      static bool inited;
+      static bool inited;   // If temperature controller is running
+    #endif
+
+    static volatile bool temp_meas_ready;
+    static uint16_t raw_temp_value[MAX_EXTRUDERS];
+
+    #if WATCH_HOTENDS
+      static uint16_t watch_target_temp[HOTENDS];
+      static millis_t watch_heater_next_ms[HOTENDS];
     #endif
 
     #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
       static float redundant_temperature;
     #endif
 
-    static volatile bool temp_meas_ready;
-
     #if ENABLED(PIDTEMP)
       static float temp_iState[HOTENDS],
                    temp_dState[HOTENDS],
       static bool pid_reset[HOTENDS];
     #endif
 
-    #if ENABLED(PIDTEMPBED)
-      static float temp_iState_bed,
-                   temp_dState_bed,
-                   pTerm_bed,
-                   iTerm_bed,
-                   dTerm_bed,
-                   pid_error_bed;
-    #else
-      static millis_t next_bed_check_ms;
-    #endif
-
-    static uint16_t raw_temp_value[MAX_EXTRUDERS],
-                    raw_temp_chamber_value,
-                    raw_temp_bed_value;
-
     // Init min and max temp with extreme values to prevent false errors during startup
     static int16_t minttemp_raw[HOTENDS],
                    maxttemp_raw[HOTENDS],
                    minttemp[HOTENDS],
                    maxttemp[HOTENDS];
 
-    #ifdef MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED
-      static uint8_t consecutive_low_temperature_error[HOTENDS];
+    #if HAS_HEATED_BED
+      static uint16_t raw_temp_bed_value;
+      #if WATCH_THE_BED
+        static uint16_t watch_target_bed_temp;
+        static millis_t watch_bed_next_ms;
+      #endif
+      #if ENABLED(PIDTEMPBED)
+        static float temp_iState_bed,
+                     temp_dState_bed,
+                     pTerm_bed,
+                     iTerm_bed,
+                     dTerm_bed,
+                     pid_error_bed;
+      #else
+        static millis_t next_bed_check_ms;
+      #endif
+      #if HEATER_IDLE_HANDLER
+        static millis_t bed_idle_timeout_ms;
+        static bool bed_idle_timeout_exceeded;
+      #endif
+      #ifdef BED_MINTEMP
+        static int16_t bed_minttemp_raw;
+      #endif
+      #ifdef BED_MAXTEMP
+        static int16_t bed_maxttemp_raw;
+      #endif
     #endif
 
-    #ifdef MILLISECONDS_PREHEAT_TIME
-      static millis_t preheat_end_time[HOTENDS];
+    #if HAS_TEMP_CHAMBER
+      static uint16_t raw_temp_chamber_value;
     #endif
 
-    #ifdef BED_MINTEMP
-      static int16_t bed_minttemp_raw;
+
+    #ifdef MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED
+      static uint8_t consecutive_low_temperature_error[HOTENDS];
     #endif
 
-    #ifdef BED_MAXTEMP
-      static int16_t bed_maxttemp_raw;
+    #ifdef MILLISECONDS_PREHEAT_TIME
+      static millis_t preheat_end_time[HOTENDS];
     #endif
 
     #if ENABLED(FILAMENT_WIDTH_SENSOR)
     #if HEATER_IDLE_HANDLER
       static millis_t heater_idle_timeout_ms[HOTENDS];
       static bool heater_idle_timeout_exceeded[HOTENDS];
-      #if HAS_TEMP_BED
-        static millis_t bed_idle_timeout_ms;
-        static bool bed_idle_timeout_exceeded;
-      #endif
     #endif
 
   public:
      */
     static float analog2temp(const int raw, const uint8_t e);
 
-    #if HAS_TEMP_BED
+    #if HAS_HEATED_BED
       static float analog2tempBed(const int raw);
     #endif
     #if HAS_TEMP_CHAMBER
       #endif
       return current_temperature[HOTEND_INDEX];
     }
-    FORCE_INLINE static float degBed() { return current_temperature_bed; }
-    FORCE_INLINE static float degChamber() { return current_temperature_chamber; }
 
     #if ENABLED(SHOW_TEMP_ADC_VALUES)
       FORCE_INLINE static int16_t rawHotendTemp(const uint8_t e) {
         #endif
         return current_temperature_raw[HOTEND_INDEX];
       }
-      FORCE_INLINE static int16_t rawBedTemp() { return current_temperature_bed_raw; }
-      FORCE_INLINE static int16_t rawChamberTemp() { return current_temperature_chamber_raw; }
     #endif
 
     FORCE_INLINE static int16_t degTargetHotend(const uint8_t e) {
       return target_temperature[HOTEND_INDEX];
     }
 
-    FORCE_INLINE static int16_t degTargetBed() { return target_temperature_bed; }
-
     #if WATCH_HOTENDS
       static void start_watching_heater(const uint8_t e = 0);
     #endif
 
-    #if WATCH_THE_BED
-      static void start_watching_bed();
-    #endif
-
     static void setTargetHotend(const int16_t celsius, const uint8_t e) {
       #if HOTENDS == 1
         UNUSED(e);
       #endif
     }
 
-    static void setTargetBed(const int16_t celsius) {
-      #if HAS_HEATER_BED
+    FORCE_INLINE static bool isHeatingHotend(const uint8_t e) {
+      #if HOTENDS == 1
+        UNUSED(e);
+      #endif
+      return target_temperature[HOTEND_INDEX] > current_temperature[HOTEND_INDEX];
+    }
+
+    FORCE_INLINE static bool isCoolingHotend(const uint8_t e) {
+      #if HOTENDS == 1
+        UNUSED(e);
+      #endif
+      return target_temperature[HOTEND_INDEX] < current_temperature[HOTEND_INDEX];
+    }
+
+    #if HAS_HEATED_BED
+      #if ENABLED(SHOW_TEMP_ADC_VALUES)
+        FORCE_INLINE static int16_t rawBedTemp()  { return current_temperature_bed_raw; }
+      #endif
+      FORCE_INLINE static float degBed()          { return current_temperature_bed; }
+      FORCE_INLINE static int16_t degTargetBed()  { return target_temperature_bed; }
+      FORCE_INLINE static bool isHeatingBed()     { return target_temperature_bed > current_temperature_bed; }
+      FORCE_INLINE static bool isCoolingBed()     { return target_temperature_bed < current_temperature_bed; }
+
+      static void setTargetBed(const int16_t celsius) {
         #if ENABLED(AUTO_POWER_CONTROL)
           powerManager.power_on();
         #endif
         #if WATCH_THE_BED
           start_watching_bed();
         #endif
-      #endif
-    }
+      }
 
-    FORCE_INLINE static bool isHeatingHotend(const uint8_t e) {
-      #if HOTENDS == 1
-        UNUSED(e);
+      #if WATCH_THE_BED
+        static void start_watching_bed();
       #endif
-      return target_temperature[HOTEND_INDEX] > current_temperature[HOTEND_INDEX];
-    }
-    FORCE_INLINE static bool isHeatingBed() { return target_temperature_bed > current_temperature_bed; }
+    #endif
 
-    FORCE_INLINE static bool isCoolingHotend(const uint8_t e) {
-      #if HOTENDS == 1
-        UNUSED(e);
+    #if HAS_TEMP_CHAMBER
+      #if ENABLED(SHOW_TEMP_ADC_VALUES)
+        FORCE_INLINE static int16_t rawChamberTemp() { return current_temperature_chamber_raw; }
       #endif
-      return target_temperature[HOTEND_INDEX] < current_temperature[HOTEND_INDEX];
-    }
-    FORCE_INLINE static bool isCoolingBed() { return target_temperature_bed < current_temperature_bed; }
+      FORCE_INLINE static float degChamber() { return current_temperature_chamber; }
+    #endif
 
     FORCE_INLINE static bool wait_for_heating(const uint8_t e) {
       return degTargetHotend(e) > TEMP_HYSTERESIS && abs(degHotend(e) - degTargetHotend(e)) > TEMP_HYSTERESIS;
     /**
      * The software PWM power for a heater
      */
-    static int getHeaterPower(int heater);
+    static int getHeaterPower(const int heater);
 
     /**
      * Switch off all heaters, set all target temperatures to 0
         return heater_idle_timeout_exceeded[HOTEND_INDEX];
       }
 
-      #if HAS_TEMP_BED
+      #if HAS_HEATED_BED
         static void start_bed_idle_timer(const millis_t timeout_ms) {
           bed_idle_timeout_ms = millis() + timeout_ms;
           bed_idle_timeout_exceeded = false;
 
     #if ENABLED(THERMAL_PROTECTION_HOTENDS) || HAS_THERMALLY_PROTECTED_BED
 
-      typedef enum TRState : char { TRInactive, TRFirstHeating, TRStable, TRRunaway } TRstate;
+      enum TRState : char { TRInactive, TRFirstHeating, TRStable, TRRunaway };
 
       static void thermal_runaway_protection(TRState * const state, millis_t * const timer, const float &current, const float &target, const int8_t heater_id, const uint16_t period_seconds, const uint16_t hysteresis_degc);