Prevent 'current' name conflict, if needed

Marlin/src/HAL/HAL_STM32_F4_F7/STM32F7/TMC2660.cpp

         SERIAL_ECHOPAIR("\n  Stall Guard value:", value);
       }
       else if (readout_config == READ_STALL_GUARD_AND_COOL_STEP) {
-        int16_t stallGuard = value & 0xF, current = value & 0x1F0;
-        SERIAL_ECHOPAIR("\n  Approx Stall Guard: ", stallGuard);
-        SERIAL_ECHOPAIR("\n  Current level", current);
+        SERIAL_ECHOPAIR("\n  Approx Stall Guard: ", value & 0xF);
+        SERIAL_ECHOPAIR("\n  Current level", value & 0x1F0);
       }
     }
   #endif

Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp

       do {
         if (do_ubl_mesh_map) display_map(g29_map_type);
 
-        const int current = (GRID_MAX_POINTS) - count + 1;
-        SERIAL_ECHOLNPAIR("\nProbing mesh point ", current, "/", int(GRID_MAX_POINTS), ".\n");
+        const int point_num = (GRID_MAX_POINTS) - count + 1;
+        SERIAL_ECHOLNPAIR("\nProbing mesh point ", point_num, "/", int(GRID_MAX_POINTS), ".\n");
         #if HAS_DISPLAY
-          ui.status_printf_P(0, PSTR(MSG_PROBING_MESH " %i/%i"), current, int(GRID_MAX_POINTS));
+          ui.status_printf_P(0, PSTR(MSG_PROBING_MESH " %i/%i"), point_num, int(GRID_MAX_POINTS));
         #endif
 
         #if HAS_LCD_MENU
 
         bool zig_zag = false;
 
-        uint16_t total_points = g29_grid_size * g29_grid_size, current = 1;
+        uint16_t total_points = g29_grid_size * g29_grid_size, point_num = 1;
 
         for (uint8_t ix = 0; ix < g29_grid_size; ix++) {
           const float rx = float(x_min) + ix * dx;
             const float ry = float(y_min) + dy * (zig_zag ? g29_grid_size - 1 - iy : iy);
 
             if (!abort_flag) {
-              SERIAL_ECHOLNPAIR("Tilting mesh point ", current, "/", total_points, "\n");
+              SERIAL_ECHOLNPAIR("Tilting mesh point ", point_num, "/", total_points, "\n");
               #if HAS_DISPLAY
-                ui.status_printf_P(0, PSTR(MSG_LCD_TILTING_MESH " %i/%i"), current, total_points);
+                ui.status_printf_P(0, PSTR(MSG_LCD_TILTING_MESH " %i/%i"), point_num, total_points);
               #endif
 
               measured_z = probe_pt(rx, ry, parser.seen('E') ? PROBE_PT_STOW : PROBE_PT_RAISE, g29_verbose_level); // TODO: Needs error handling
               incremental_LSF(&lsf_results, rx, ry, measured_z);
             }
 
-            current++;
+            point_num++;
           }
 
           zig_zag ^= true;

Marlin/src/lcd/extensible_ui/lib/dgus/DGUSDisplayDefinition.cpp

 
   // Temperature Data
   #if HOTENDS >= 1
-    VPHELPER(VP_T_E1_Is, &thermalManager.temp_hotend[0].current, nullptr, DGUSScreenVariableHandler::DGUSLCD_SendFloatAsLongValueToDisplay<0>),
+    VPHELPER(VP_T_E1_Is, &thermalManager.temp_hotend[0].celsius, nullptr, DGUSScreenVariableHandler::DGUSLCD_SendFloatAsLongValueToDisplay<0>),
     VPHELPER(VP_T_E1_Set, &thermalManager.temp_hotend[0].target, DGUSScreenVariableHandler::HandleTemperatureChanged, &DGUSScreenVariableHandler::DGUSLCD_SendWordValueToDisplay),
     VPHELPER(VP_Flowrate_E1, nullptr, DGUSScreenVariableHandler::HandleFlowRateChanged, &DGUSScreenVariableHandler::DGUSLCD_SendWordValueToDisplay),
     VPHELPER(VP_EPos, &destination[3], nullptr, DGUSScreenVariableHandler::DGUSLCD_SendFloatAsLongValueToDisplay<2>),
     VPHELPER(VP_MOVE_E1, nullptr, &DGUSScreenVariableHandler::HandleManualExtrude, nullptr),
   #endif
   #if HOTENDS >= 2
-    VPHELPER(VP_T_E2_I, &thermalManager.temp_hotend[1].current, nullptr, DGUSLCD_SendFloatAsLongValueToDisplay<0>),
+    VPHELPER(VP_T_E2_I, &thermalManager.temp_hotend[1].celsius, nullptr, DGUSLCD_SendFloatAsLongValueToDisplay<0>),
     VPHELPER(VP_T_E2_S, &thermalManager.temp_hotend[1].target, DGUSScreenVariableHandler::HandleTemperatureChanged, &DGUSScreenVariableHandler::DGUSLCD_SendWordValueToDisplay),
     VPHELPER(VP_Flowrate_E2, nullptr, DGUSScreenVariableHandler::HandleFlowRateChanged, &DGUSScreenVariableHandler::DGUSLCD_SendWordValueToDisplay),
     VPHELPER(VP_MOVE_E2, nullptr, &DGUSScreenVariableHandler::HandleManualExtrude, nullptr),
     #error More than 2 Hotends currently not implemented on the Display UI design.
   #endif
   #if HAS_HEATED_BED
-    VPHELPER(VP_T_Bed_Is, &thermalManager.temp_bed.current, nullptr, DGUSScreenVariableHandler::DGUSLCD_SendFloatAsLongValueToDisplay<0>),
+    VPHELPER(VP_T_Bed_Is, &thermalManager.temp_bed.celsius, nullptr, DGUSScreenVariableHandler::DGUSLCD_SendFloatAsLongValueToDisplay<0>),
     VPHELPER(VP_T_Bed_Set, &thermalManager.temp_bed.target, DGUSScreenVariableHandler::HandleTemperatureChanged, &DGUSScreenVariableHandler::DGUSLCD_SendWordValueToDisplay),
   #endif
 

Marlin/src/module/planner.cpp

   //  pass will never modify the values at the tail.
   uint8_t block_index = block_buffer_planned;
 
-  block_t *current;
+  block_t *block;
   const block_t * previous = nullptr;
   while (block_index != block_buffer_head) {
 
     // Perform the forward pass
-    current = &block_buffer[block_index];
+    block = &block_buffer[block_index];
 
     // Skip SYNC blocks
-    if (!TEST(current->flag, BLOCK_BIT_SYNC_POSITION)) {
+    if (!TEST(block->flag, BLOCK_BIT_SYNC_POSITION)) {
       // If there's no previous block or the previous block is not
       // BUSY (thus, modifiable) run the forward_pass_kernel. Otherwise,
       // the previous block became BUSY, so assume the current block's
       // entry speed can't be altered (since that would also require
       // updating the exit speed of the previous block).
       if (!previous || !stepper.is_block_busy(previous))
-        forward_pass_kernel(previous, current, block_index);
-      previous = current;
+        forward_pass_kernel(previous, block, block_index);
+      previous = block;
     }
     // Advance to the previous
     block_index = next_block_index(block_index);
   }
 
   // Go from the tail (currently executed block) to the first block, without including it)
-  block_t *current = nullptr, *next = nullptr;
+  block_t *block = nullptr, *next = nullptr;
   float current_entry_speed = 0.0, next_entry_speed = 0.0;
   while (block_index != head_block_index) {
 
     if (!TEST(next->flag, BLOCK_BIT_SYNC_POSITION)) {
       next_entry_speed = SQRT(next->entry_speed_sqr);
 
-      if (current) {
+      if (block) {
         // Recalculate if current block entry or exit junction speed has changed.
-        if (TEST(current->flag, BLOCK_BIT_RECALCULATE) || TEST(next->flag, BLOCK_BIT_RECALCULATE)) {
+        if (TEST(block->flag, BLOCK_BIT_RECALCULATE) || TEST(next->flag, BLOCK_BIT_RECALCULATE)) {
 
           // Mark the current block as RECALCULATE, to protect it from the Stepper ISR running it.
           // Note that due to the above condition, there's a chance the current block isn't marked as
           // RECALCULATE yet, but the next one is. That's the reason for the following line.
-          SBI(current->flag, BLOCK_BIT_RECALCULATE);
+          SBI(block->flag, BLOCK_BIT_RECALCULATE);
 
           // But there is an inherent race condition here, as the block maybe
           // became BUSY, just before it was marked as RECALCULATE, so check
           // if that is the case!
-          if (!stepper.is_block_busy(current)) {
+          if (!stepper.is_block_busy(block)) {
             // Block is not BUSY, we won the race against the Stepper ISR:
 
             // NOTE: Entry and exit factors always > 0 by all previous logic operations.
-            const float current_nominal_speed = SQRT(current->nominal_speed_sqr),
+            const float current_nominal_speed = SQRT(block->nominal_speed_sqr),
                         nomr = 1.0f / current_nominal_speed;
-            calculate_trapezoid_for_block(current, current_entry_speed * nomr, next_entry_speed * nomr);
+            calculate_trapezoid_for_block(block, current_entry_speed * nomr, next_entry_speed * nomr);
             #if ENABLED(LIN_ADVANCE)
-              if (current->use_advance_lead) {
-                const float comp = current->e_D_ratio * extruder_advance_K[active_extruder] * settings.axis_steps_per_mm[E_AXIS];
-                current->max_adv_steps = current_nominal_speed * comp;
-                current->final_adv_steps = next_entry_speed * comp;
+              if (block->use_advance_lead) {
+                const float comp = block->e_D_ratio * extruder_advance_K[active_extruder] * settings.axis_steps_per_mm[E_AXIS];
+                block->max_adv_steps = current_nominal_speed * comp;
+                block->final_adv_steps = next_entry_speed * comp;
               }
             #endif
           }
 
           // Reset current only to ensure next trapezoid is computed - The
           // stepper is free to use the block from now on.
-          CBI(current->flag, BLOCK_BIT_RECALCULATE);
+          CBI(block->flag, BLOCK_BIT_RECALCULATE);
         }
       }
 
-      current = next;
+      block = next;
       current_entry_speed = next_entry_speed;
     }
 
     // But there is an inherent race condition here, as the block maybe
     // became BUSY, just before it was marked as RECALCULATE, so check
     // if that is the case!
-    if (!stepper.is_block_busy(current)) {
+    if (!stepper.is_block_busy(block)) {
       // Block is not BUSY, we won the race against the Stepper ISR:
 
       const float next_nominal_speed = SQRT(next->nominal_speed_sqr),

Marlin/src/module/temperature.cpp

    * temperature to succeed.
    */
   void Temperature::PID_autotune(const float &target, const heater_ind_t heater, const int8_t ncycles, const bool set_result/*=false*/) {
-    float current = 0.0;
+    float current_temp = 0.0;
     int cycles = 0;
     bool heating = true;
 
 
     wait_for_heatup = true; // Can be interrupted with M108
     #if ENABLED(PRINTER_EVENT_LEDS)
-      const float start_temp = GHV(temp_bed.current, temp_hotend[heater].current);
+      const float start_temp = GHV(temp_bed.celsius, temp_hotend[heater].celsius);
       LEDColor color = ONHEATINGSTART();
     #endif
 
         updateTemperaturesFromRawValues();
 
         // Get the current temperature and constrain it
-        current = GHV(temp_bed.current, temp_hotend[heater].current);
-        NOLESS(maxT, current);
-        NOMORE(minT, current);
+        current_temp = GHV(temp_bed.celsius, temp_hotend[heater].celsius);
+        NOLESS(maxT, current_temp);
+        NOMORE(minT, current_temp);
 
         #if ENABLED(PRINTER_EVENT_LEDS)
-          ONHEATING(start_temp, current, target);
+          ONHEATING(start_temp, current_temp, target);
         #endif
 
         #if HAS_AUTO_FAN
           }
         #endif
 
-        if (heating && current > target) {
+        if (heating && current_temp > target) {
           if (ELAPSED(ms, t2 + 5000UL)) {
             heating = false;
             SHV((bias - d) >> 1, (bias - d) >> 1);
           }
         }
 
-        if (!heating && current < target) {
+        if (!heating && current_temp < target) {
           if (ELAPSED(ms, t1 + 5000UL)) {
             heating = true;
             t2 = ms;
       #ifndef MAX_OVERSHOOT_PID_AUTOTUNE
         #define MAX_OVERSHOOT_PID_AUTOTUNE 20
       #endif
-      if (current > target + MAX_OVERSHOOT_PID_AUTOTUNE) {
+      if (current_temp > target + MAX_OVERSHOOT_PID_AUTOTUNE) {
         SERIAL_ECHOLNPGM(MSG_PID_TEMP_TOO_HIGH);
         break;
       }
             #endif
           ) {
             if (!heated) {                                          // If not yet reached target...
-              if (current > next_watch_temp) {                      // Over the watch temp?
-                next_watch_temp = current + watch_temp_increase;    // - set the next temp to watch for
+              if (current_temp > next_watch_temp) {                      // Over the watch temp?
+                next_watch_temp = current_temp + watch_temp_increase;    // - set the next temp to watch for
                 temp_change_ms = ms + watch_temp_period * 1000UL;   // - move the expiration timer up
-                if (current > watch_temp_target) heated = true;     // - Flag if target temperature reached
+                if (current_temp > watch_temp_target) heated = true;     // - Flag if target temperature reached
               }
               else if (ELAPSED(ms, temp_change_ms))                 // Watch timer expired
                 _temp_error(heater, PSTR(MSG_T_HEATING_FAILED), TEMP_ERR_PSTR(MSG_HEATING_FAILED_LCD, heater));
             }
-            else if (current < target - (MAX_OVERSHOOT_PID_AUTOTUNE)) // Heated, then temperature fell too far?
+            else if (current_temp < target - (MAX_OVERSHOOT_PID_AUTOTUNE)) // Heated, then temperature fell too far?
               _temp_error(heater, PSTR(MSG_T_THERMAL_RUNAWAY), TEMP_ERR_PSTR(MSG_THERMAL_RUNAWAY, heater));
           }
         #endif
     uint8_t fanState = 0;
 
     HOTEND_LOOP()
-      if (temp_hotend[e].current >= EXTRUDER_AUTO_FAN_TEMPERATURE)
+      if (temp_hotend[e].celsius >= EXTRUDER_AUTO_FAN_TEMPERATURE)
         SBI(fanState, pgm_read_byte(&fanBit[e]));
 
     #if HAS_AUTO_CHAMBER_FAN
-      if (temp_chamber.current >= CHAMBER_AUTO_FAN_TEMPERATURE)
+      if (temp_chamber.celsius >= CHAMBER_AUTO_FAN_TEMPERATURE)
         SBI(fanState, pgm_read_byte(&fanBit[CHAMBER_FAN_INDEX]));
     #endif
 
       static float temp_iState[HOTENDS] = { 0 },
                    temp_dState[HOTENDS] = { 0 };
       static bool pid_reset[HOTENDS] = { false };
-      const float pid_error = temp_hotend[ee].target - temp_hotend[ee].current;
+      const float pid_error = temp_hotend[ee].target - temp_hotend[ee].celsius;
 
       if (temp_hotend[ee].target == 0
         || pid_error < -(PID_FUNCTIONAL_RANGE)
           pid_reset[ee] = false;
         }
 
-        work_pid[ee].Kd = work_pid[ee].Kd + PID_K2 * (PID_PARAM(Kd, ee) * (temp_dState[ee] - temp_hotend[ee].current) - work_pid[ee].Kd);
+        work_pid[ee].Kd = work_pid[ee].Kd + PID_K2 * (PID_PARAM(Kd, ee) * (temp_dState[ee] - temp_hotend[ee].celsius) - work_pid[ee].Kd);
         const float max_power_over_i_gain = float(PID_MAX) / PID_PARAM(Ki, ee) - float(MIN_POWER);
         temp_iState[ee] = constrain(temp_iState[ee] + pid_error, 0, max_power_over_i_gain);
         work_pid[ee].Kp = PID_PARAM(Kp, ee) * pid_error;
 
         LIMIT(pid_output, 0, PID_MAX);
       }
-      temp_dState[ee] = temp_hotend[ee].current;
+      temp_dState[ee] = temp_hotend[ee].celsius;
 
     #else // PID_OPENLOOP
 
         SERIAL_ECHO_START();
         SERIAL_ECHOPAIR(
           MSG_PID_DEBUG, ee,
-          MSG_PID_DEBUG_INPUT, temp_hotend[ee].current,
+          MSG_PID_DEBUG_INPUT, temp_hotend[ee].celsius,
           MSG_PID_DEBUG_OUTPUT, pid_output
         );
         #if DISABLED(PID_OPENLOOP)
     #else
       #define _TIMED_OUT_TEST false
     #endif
-    pid_output = (!_TIMED_OUT_TEST && temp_hotend[ee].current < temp_hotend[ee].target) ? BANG_MAX : 0;
+    pid_output = (!_TIMED_OUT_TEST && temp_hotend[ee].celsius < temp_hotend[ee].target) ? BANG_MAX : 0;
     #undef _TIMED_OUT_TEST
 
   #endif
       static bool pid_reset = true;
       float pid_output = 0;
       const float max_power_over_i_gain = float(MAX_BED_POWER) / temp_bed.pid.Ki - float(MIN_BED_POWER),
-                  pid_error = temp_bed.target - temp_bed.current;
+                  pid_error = temp_bed.target - temp_bed.celsius;
 
       if (!temp_bed.target || pid_error < -(PID_FUNCTIONAL_RANGE)) {
         pid_output = 0;
 
         work_pid.Kp = temp_bed.pid.Kp * pid_error;
         work_pid.Ki = temp_bed.pid.Ki * temp_iState;
-        work_pid.Kd = work_pid.Kd + PID_K2 * (temp_bed.pid.Kd * (temp_dState - temp_bed.current) - work_pid.Kd);
+        work_pid.Kd = work_pid.Kd + PID_K2 * (temp_bed.pid.Kd * (temp_dState - temp_bed.celsius) - work_pid.Kd);
 
-        temp_dState = temp_bed.current;
+        temp_dState = temp_bed.celsius;
 
         pid_output = constrain(work_pid.Kp + work_pid.Ki + work_pid.Kd + float(MIN_BED_POWER), 0, MAX_BED_POWER);
       }
     #if ENABLED(PID_BED_DEBUG)
       SERIAL_ECHO_START();
       SERIAL_ECHOLNPAIR(
-        " PID_BED_DEBUG : Input ", temp_bed.current, " Output ", pid_output,
+        " PID_BED_DEBUG : Input ", temp_bed.celsius, " Output ", pid_output,
         #if DISABLED(PID_OPENLOOP)
           MSG_PID_DEBUG_PTERM, work_pid.Kp,
           MSG_PID_DEBUG_ITERM, work_pid.Ki,
   updateTemperaturesFromRawValues(); // also resets the watchdog
 
   #if ENABLED(HEATER_0_USES_MAX6675)
-    if (temp_hotend[0].current > _MIN(HEATER_0_MAXTEMP, HEATER_0_MAX6675_TMAX - 1.0)) max_temp_error(H_E0);
-    if (temp_hotend[0].current < _MAX(HEATER_0_MINTEMP, HEATER_0_MAX6675_TMIN + .01)) min_temp_error(H_E0);
+    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 (temp_hotend[1].current > _MIN(HEATER_1_MAXTEMP, HEATER_1_MAX6675_TMAX - 1.0)) max_temp_error(H_E1);
-    if (temp_hotend[1].current < _MAX(HEATER_1_MINTEMP, HEATER_1_MAX6675_TMIN + .01)) min_temp_error(H_E1);
+    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
 
   #if HAS_THERMAL_PROTECTION || DISABLED(PIDTEMPBED) || HAS_AUTO_FAN || HEATER_IDLE_HANDLER
 
     #if ENABLED(THERMAL_PROTECTION_HOTENDS)
       // Check for thermal runaway
-      thermal_runaway_protection(tr_state_machine[e], temp_hotend[e].current, temp_hotend[e].target, (heater_ind_t)e, THERMAL_PROTECTION_PERIOD, THERMAL_PROTECTION_HYSTERESIS);
+      thermal_runaway_protection(tr_state_machine[e], temp_hotend[e].celsius, temp_hotend[e].target, (heater_ind_t)e, THERMAL_PROTECTION_PERIOD, THERMAL_PROTECTION_HYSTERESIS);
     #endif
 
-    temp_hotend[e].soft_pwm_amount = (temp_hotend[e].current > temp_range[e].mintemp || is_preheating(e)) && temp_hotend[e].current < temp_range[e].maxtemp ? (int)get_pid_output_hotend(e) >> 1 : 0;
+    temp_hotend[e].soft_pwm_amount = (temp_hotend[e].celsius > temp_range[e].mintemp || is_preheating(e)) && temp_hotend[e].celsius < temp_range[e].maxtemp ? (int)get_pid_output_hotend(e) >> 1 : 0;
 
     #if WATCH_HOTENDS
       // Make sure temperature is increasing
 
     #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
       // Make sure measured temperatures are close together
-      if (ABS(temp_hotend[0].current - redundant_temperature) > MAX_REDUNDANT_TEMP_SENSOR_DIFF)
+      if (ABS(temp_hotend[0].celsius - redundant_temperature) > MAX_REDUNDANT_TEMP_SENSOR_DIFF)
         _temp_error(H_E0, PSTR(MSG_REDUNDANCY), PSTR(MSG_ERR_REDUNDANT_TEMP));
     #endif
 
       #endif
 
       #if HAS_THERMALLY_PROTECTED_BED
-        thermal_runaway_protection(tr_state_machine_bed, temp_bed.current, temp_bed.target, H_BED, THERMAL_PROTECTION_BED_PERIOD, THERMAL_PROTECTION_BED_HYSTERESIS);
+        thermal_runaway_protection(tr_state_machine_bed, temp_bed.celsius, temp_bed.target, H_BED, THERMAL_PROTECTION_BED_PERIOD, THERMAL_PROTECTION_BED_HYSTERESIS);
       #endif
 
       #if HEATER_IDLE_HANDLER
       #endif
       {
         #if ENABLED(PIDTEMPBED)
-          temp_bed.soft_pwm_amount = WITHIN(temp_bed.current, BED_MINTEMP, BED_MAXTEMP) ? (int)get_pid_output_bed() >> 1 : 0;
+          temp_bed.soft_pwm_amount = WITHIN(temp_bed.celsius, BED_MINTEMP, BED_MAXTEMP) ? (int)get_pid_output_bed() >> 1 : 0;
         #else
           // Check if temperature is within the correct band
-          if (WITHIN(temp_bed.current, BED_MINTEMP, BED_MAXTEMP)) {
+          if (WITHIN(temp_bed.celsius, BED_MINTEMP, BED_MAXTEMP)) {
             #if ENABLED(BED_LIMIT_SWITCHING)
-              if (temp_bed.current >= temp_bed.target + BED_HYSTERESIS)
+              if (temp_bed.celsius >= temp_bed.target + BED_HYSTERESIS)
                 temp_bed.soft_pwm_amount = 0;
-              else if (temp_bed.current <= temp_bed.target - (BED_HYSTERESIS))
+              else if (temp_bed.celsius <= temp_bed.target - (BED_HYSTERESIS))
                 temp_bed.soft_pwm_amount = MAX_BED_POWER >> 1;
             #else // !PIDTEMPBED && !BED_LIMIT_SWITCHING
-              temp_bed.soft_pwm_amount = temp_bed.current < temp_bed.target ? MAX_BED_POWER >> 1 : 0;
+              temp_bed.soft_pwm_amount = temp_bed.celsius < temp_bed.target ? MAX_BED_POWER >> 1 : 0;
             #endif
           }
           else {
     if (ELAPSED(ms, next_chamber_check_ms)) {
       next_chamber_check_ms = ms + CHAMBER_CHECK_INTERVAL;
 
-      if (WITHIN(temp_chamber.current, CHAMBER_MINTEMP, CHAMBER_MAXTEMP)) {
+      if (WITHIN(temp_chamber.celsius, CHAMBER_MINTEMP, CHAMBER_MAXTEMP)) {
         #if ENABLED(CHAMBER_LIMIT_SWITCHING)
-          if (temp_chamber.current >= temp_chamber.target + TEMP_CHAMBER_HYSTERESIS)
+          if (temp_chamber.celsius >= temp_chamber.target + TEMP_CHAMBER_HYSTERESIS)
             temp_chamber.soft_pwm_amount = 0;
-          else if (temp_chamber.current <= temp_chamber.target - (TEMP_CHAMBER_HYSTERESIS))
+          else if (temp_chamber.celsius <= temp_chamber.target - (TEMP_CHAMBER_HYSTERESIS))
             temp_chamber.soft_pwm_amount = MAX_CHAMBER_POWER >> 1;
         #else
-          temp_chamber.soft_pwm_amount = temp_chamber.current < temp_chamber.target ? MAX_CHAMBER_POWER >> 1 : 0;
+          temp_chamber.soft_pwm_amount = temp_chamber.celsius < temp_chamber.target ? MAX_CHAMBER_POWER >> 1 : 0;
         #endif
       }
       else {
       }
 
       #if ENABLED(THERMAL_PROTECTION_CHAMBER)
-        thermal_runaway_protection(tr_state_machine_chamber, temp_chamber.current, temp_chamber.target, H_CHAMBER, THERMAL_PROTECTION_CHAMBER_PERIOD, THERMAL_PROTECTION_CHAMBER_HYSTERESIS);
+        thermal_runaway_protection(tr_state_machine_chamber, temp_chamber.celsius, temp_chamber.target, H_CHAMBER, THERMAL_PROTECTION_CHAMBER_PERIOD, THERMAL_PROTECTION_CHAMBER_HYSTERESIS);
       #endif
     }
 
     // TODO: Implement true PID pwm
-    //temp_bed.soft_pwm_amount = WITHIN(temp_chamber.current, CHAMBER_MINTEMP, CHAMBER_MAXTEMP) ? (int)get_pid_output_chamber() >> 1 : 0;
+    //temp_bed.soft_pwm_amount = WITHIN(temp_chamber.celsius, CHAMBER_MINTEMP, CHAMBER_MAXTEMP) ? (int)get_pid_output_chamber() >> 1 : 0;
 
   #endif // HAS_HEATED_CHAMBER
 }
   #if ENABLED(HEATER_1_USES_MAX6675)
     temp_hotend[1].raw = READ_MAX6675(1);
   #endif
-  HOTEND_LOOP() temp_hotend[e].current = analog_to_celsius_hotend(temp_hotend[e].raw, e);
+  HOTEND_LOOP() temp_hotend[e].celsius = analog_to_celsius_hotend(temp_hotend[e].raw, e);
   #if HAS_HEATED_BED
-    temp_bed.current = analog_to_celsius_bed(temp_bed.raw);
+    temp_bed.celsius = analog_to_celsius_bed(temp_bed.raw);
   #endif
   #if HAS_TEMP_CHAMBER
-    temp_chamber.current = analog_to_celsius_chamber(temp_chamber.raw);
+    temp_chamber.celsius = analog_to_celsius_chamber(temp_chamber.raw);
   #endif
   #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
     redundant_temperature = analog_to_celsius_hotend(redundant_temperature_raw, 1);

Marlin/src/module/temperature.h

 typedef struct TempInfo {
   uint16_t acc;
   int16_t raw;
-  float current;
+  float celsius;
   inline void reset() { acc = 0; }
   inline void sample(const uint16_t s) { acc += s; }
   inline void update() { raw = acc; }
 
     FORCE_INLINE static float degHotend(const uint8_t e) {
       E_UNUSED();
-      return temp_hotend[HOTEND_INDEX].current;
+      return temp_hotend[HOTEND_INDEX].celsius;
     }
 
     #if ENABLED(SHOW_TEMP_ADC_VALUES)
 
     FORCE_INLINE static bool isHeatingHotend(const uint8_t e) {
       E_UNUSED();
-      return temp_hotend[HOTEND_INDEX].target > temp_hotend[HOTEND_INDEX].current;
+      return temp_hotend[HOTEND_INDEX].target > temp_hotend[HOTEND_INDEX].celsius;
     }
 
     FORCE_INLINE static bool isCoolingHotend(const uint8_t e) {
       E_UNUSED();
-      return temp_hotend[HOTEND_INDEX].target < temp_hotend[HOTEND_INDEX].current;
+      return temp_hotend[HOTEND_INDEX].target < temp_hotend[HOTEND_INDEX].celsius;
     }
 
     #if HAS_TEMP_HOTEND
       #if ENABLED(SHOW_TEMP_ADC_VALUES)
         FORCE_INLINE static int16_t rawBedTemp()  { return temp_bed.raw; }
       #endif
-      FORCE_INLINE static float degBed()          { return temp_bed.current; }
+      FORCE_INLINE static float degBed()          { return temp_bed.celsius; }
       FORCE_INLINE static int16_t degTargetBed()  { return temp_bed.target; }
-      FORCE_INLINE static bool isHeatingBed()     { return temp_bed.target > temp_bed.current; }
-      FORCE_INLINE static bool isCoolingBed()     { return temp_bed.target < temp_bed.current; }
+      FORCE_INLINE static bool isHeatingBed()     { return temp_bed.target > temp_bed.celsius; }
+      FORCE_INLINE static bool isCoolingBed()     { return temp_bed.target < temp_bed.celsius; }
 
       #if WATCH_BED
         static void start_watching_bed();
       #if ENABLED(SHOW_TEMP_ADC_VALUES)
         FORCE_INLINE static int16_t rawChamberTemp()    { return temp_chamber.raw; }
       #endif
-      FORCE_INLINE static float degChamber()            { return temp_chamber.current; }
+      FORCE_INLINE static float degChamber()            { return temp_chamber.celsius; }
       #if HAS_HEATED_CHAMBER
         FORCE_INLINE static int16_t degTargetChamber()  { return temp_chamber.target; }
-        FORCE_INLINE static bool isHeatingChamber()     { return temp_chamber.target > temp_chamber.current; }
-        FORCE_INLINE static bool isCoolingChamber()     { return temp_chamber.target < temp_chamber.current; }
+        FORCE_INLINE static bool isHeatingChamber()     { return temp_chamber.target > temp_chamber.celsius; }
+        FORCE_INLINE static bool isCoolingChamber()     { return temp_chamber.target < temp_chamber.celsius; }
 
         static bool wait_for_chamber(const bool no_wait_for_cooling=true);
       #endif