Merge pull request #7031 from thinkyhead/bf_save_218_bytes

Reduce Marlin by ~218 bytes

Marlin/Marlin_main.cpp

@@ -5889,7 +5889,7 @@ inline void gcode_M17() {
   }
 
   static bool pause_print(const float &retract, const float &z_lift, const float &x_pos, const float &y_pos,
-                          const float &unload_length = 0 , int8_t max_beep_count = 0, bool show_lcd = false
+                          const float &unload_length = 0 , const int8_t max_beep_count = 0, const bool show_lcd = false
   ) {
     if (move_away_flag) return false; // already paused
 
@@ -5989,7 +5989,7 @@ inline void gcode_M17() {
     return true;
   }
 
-  static void wait_for_filament_reload(int8_t max_beep_count = 0) {
+  static void wait_for_filament_reload(const int8_t max_beep_count = 0) {
     bool nozzle_timed_out = false;
 
     // Wait for filament insert by user and press button
@@ -6014,7 +6014,7 @@ inline void gcode_M17() {
     KEEPALIVE_STATE(IN_HANDLER);
   }
 
-  static void resume_print(const float &load_length = 0, const float &initial_extrude_length = 0, int8_t max_beep_count = 0) {
+  static void resume_print(const float &load_length = 0, const float &initial_extrude_length = 0, const int8_t max_beep_count = 0) {
     bool nozzle_timed_out = false;
 
     if (!move_away_flag) return;
@@ -6974,39 +6974,57 @@ inline void gcode_M104() {
 
 #if HAS_TEMP_HOTEND || HAS_TEMP_BED
 
+  void print_heater_state(const float &c, const float &t,
+    #if ENABLED(SHOW_TEMP_ADC_VALUES)
+      const float r,
+    #endif
+    const int8_t e=-2
+  ) {
+    SERIAL_PROTOCOLCHAR(' ');
+    SERIAL_PROTOCOLCHAR(
+      #if HAS_TEMP_BED && HAS_TEMP_HOTEND
+        e == -1 ? 'B' : 'T'
+      #elif HAS_TEMP_HOTEND
+        'T'
+      #else
+        'B'
+      #endif
+    );
+    #if HOTENDS > 1
+      if (e >= 0) SERIAL_PROTOCOLCHAR('0' + e);
+    #endif
+    SERIAL_PROTOCOLCHAR(':');
+    SERIAL_PROTOCOL(c);
+    SERIAL_PROTOCOLPAIR(" /" , t);
+    #if ENABLED(SHOW_TEMP_ADC_VALUES)
+      SERIAL_PROTOCOLPAIR(" (", r / OVERSAMPLENR);
+      SERIAL_PROTOCOLCHAR(')');
+    #endif
+  }
+
   void print_heaterstates() {
     #if HAS_TEMP_HOTEND
-      SERIAL_PROTOCOLPGM(" T:");
+      print_heater_state(thermalManager.degHotend(target_extruder), thermalManager.degTargetHotend(target_extruder)
-      SERIAL_PROTOCOL(thermalManager.degHotend(target_extruder));
-      SERIAL_PROTOCOLPGM(" /");
-      SERIAL_PROTOCOL(thermalManager.degTargetHotend(target_extruder));
         #if ENABLED(SHOW_TEMP_ADC_VALUES)
-        SERIAL_PROTOCOLPAIR(" (", thermalManager.rawHotendTemp(target_extruder) / OVERSAMPLENR);
+          , thermalManager.rawHotendTemp(target_extruder)
-        SERIAL_PROTOCOLCHAR(')');
         #endif
+      );
     #endif
     #if HAS_TEMP_BED
-      SERIAL_PROTOCOLPGM(" B:");
+      print_heater_state(thermalManager.degBed(), thermalManager.degTargetBed(),
-      SERIAL_PROTOCOL(thermalManager.degBed());
-      SERIAL_PROTOCOLPGM(" /");
-      SERIAL_PROTOCOL(thermalManager.degTargetBed());
         #if ENABLED(SHOW_TEMP_ADC_VALUES)
-        SERIAL_PROTOCOLPAIR(" (", thermalManager.rawBedTemp() / OVERSAMPLENR);
+          thermalManager.rawBedTemp(),
-        SERIAL_PROTOCOLCHAR(')');
         #endif
+        -1 // BED
+      );
     #endif
     #if HOTENDS > 1
-      HOTEND_LOOP() {
+      HOTEND_LOOP() print_heater_state(thermalManager.degHotend(e), thermalManager.degTargetHotend(e),
-        SERIAL_PROTOCOLPAIR(" T", e);
-        SERIAL_PROTOCOLCHAR(':');
-        SERIAL_PROTOCOL(thermalManager.degHotend(e));
-        SERIAL_PROTOCOLPGM(" /");
-        SERIAL_PROTOCOL(thermalManager.degTargetHotend(e));
         #if ENABLED(SHOW_TEMP_ADC_VALUES)
-          SERIAL_PROTOCOLPAIR(" (", thermalManager.rawHotendTemp(e) / OVERSAMPLENR);
+          thermalManager.rawHotendTemp(e),
-          SERIAL_PROTOCOLCHAR(')');
         #endif
-      }
+        e
+      );
     #endif
     SERIAL_PROTOCOLPGM(" @:");
     SERIAL_PROTOCOL(thermalManager.getHeaterPower(target_extruder));
@@ -7206,16 +7224,12 @@ inline void gcode_M109() {
       print_heaterstates();
       #if TEMP_RESIDENCY_TIME > 0
         SERIAL_PROTOCOLPGM(" W:");
-        if (residency_start_ms) {
+        if (residency_start_ms)
-          long rem = (((TEMP_RESIDENCY_TIME) * 1000UL) - (now - residency_start_ms)) / 1000UL;
+          SERIAL_PROTOCOL(long((((TEMP_RESIDENCY_TIME) * 1000UL) - (now - residency_start_ms)) / 1000UL));
-          SERIAL_PROTOCOLLN(rem);
+        else
-        }
+          SERIAL_PROTOCOLCHAR('?');
-        else {
-          SERIAL_PROTOCOLLNPGM("?");
-        }
-      #else
-        SERIAL_EOL();
       #endif
+      SERIAL_EOL();
     }
 
     idle();
@@ -7339,16 +7353,12 @@ inline void gcode_M109() {
         print_heaterstates();
         #if TEMP_BED_RESIDENCY_TIME > 0
           SERIAL_PROTOCOLPGM(" W:");
-          if (residency_start_ms) {
+          if (residency_start_ms)
-            long rem = (((TEMP_BED_RESIDENCY_TIME) * 1000UL) - (now - residency_start_ms)) / 1000UL;
+            SERIAL_PROTOCOL(long((((TEMP_BED_RESIDENCY_TIME) * 1000UL) - (now - residency_start_ms)) / 1000UL));
-            SERIAL_PROTOCOLLN(rem);
+          else
-          }
+            SERIAL_PROTOCOLCHAR('?');
-          else {
-            SERIAL_PROTOCOLLNPGM("?");
-          }
-        #else
-          SERIAL_EOL();
         #endif
+        SERIAL_EOL();
       }
 
       idle();

Marlin/temperature.cpp

@@ -113,7 +113,7 @@ int16_t Temperature::current_temperature_raw[HOTENDS] = { 0 },
 
 #if ENABLED(PREVENT_COLD_EXTRUSION)
   bool Temperature::allow_cold_extrude = false;
-  uint16_t Temperature::extrude_min_temp = EXTRUDE_MINTEMP;
+  int16_t Temperature::extrude_min_temp = EXTRUDE_MINTEMP;
 #endif
 
 // private:

Marlin/temperature.h

@@ -172,7 +172,7 @@ class Temperature {
 
     #if ENABLED(PREVENT_COLD_EXTRUSION)
       static bool allow_cold_extrude;
-      static uint16_t extrude_min_temp;
+      static int16_t extrude_min_temp;
       static bool tooColdToExtrude(uint8_t e) {
         #if HOTENDS == 1
           UNUSED(e);