Fix UBL compilation warnings

Marlin/src/feature/pause.h

@@ -30,7 +30,7 @@
 
 #include "../libs/nozzle.h"
 
-extern bool did_pause_print;
+extern uint8_t did_pause_print;
 
 bool pause_print(const float &retract, const point_t &park_point, const float &unload_length=0,
                  const int8_t max_beep_count=0, const bool show_lcd=false

Marlin/src/gcode/queue.cpp

@@ -147,9 +147,27 @@ static bool drain_injected_commands_P() {
  */
 void enqueue_and_echo_commands_P(const char * const pgcode) {
   injected_commands_P = pgcode;
-  drain_injected_commands_P(); // first command executed asap (when possible)
+  (void)drain_injected_commands_P(); // first command executed asap (when possible)
 }
 
+#if HAS_QUEUE_NOW
+  /**
+   * Enqueue and return only when commands are actually enqueued
+   */
+  void enqueue_and_echo_command_now(const char* cmd, bool say_ok/*=false*/) {
+    while (!enqueue_and_echo_command(cmd, say_ok)) idle();
+  }
+  #if HAS_LCD_QUEUE_NOW
+    /**
+     * Enqueue from program memory and return only when commands are actually enqueued
+     */
+    void enqueue_and_echo_commands_P_now(const char * const pgcode) {
+      enqueue_and_echo_commands_P(pgcode);
+      while (drain_injected_commands_P()) idle();
+    }
+  #endif
+#endif
+
 /**
  * Send an "ok" message to the host, indicating
  * that a command was successfully processed.

Marlin/src/gcode/queue.h

@@ -90,6 +90,22 @@ void enqueue_and_echo_commands_P(const char * const pgcode);
  */
 bool enqueue_and_echo_command(const char* cmd, bool say_ok=false);
 
+#define HAS_LCD_QUEUE_NOW (ENABLED(ULTIPANEL) && (ENABLED(AUTO_BED_LEVELING_UBL) || ENABLED(PID_AUTOTUNE_MENU) || ENABLED(ADVANCED_PAUSE_FEATURE)))
+#define HAS_QUEUE_NOW (ENABLED(SDSUPPORT) || HAS_LCD_QUEUE_NOW)
+
+#if HAS_QUEUE_NOW
+  /**
+   * Enqueue and return only when commands are actually enqueued
+   */
+  void enqueue_and_echo_command_now(const char* cmd, bool say_ok=false);
+  #if HAS_LCD_QUEUE_NOW
+    /**
+     * Enqueue from program memory and return only when commands are actually enqueued
+     */
+    void enqueue_and_echo_commands_P_now(const char * const cmd);
+  #endif
+#endif
+
 /**
  * Add to the circular command queue the next command from:
  *  - The command-injection queue (injected_commands_P)

Marlin/src/lcd/ultralcd.cpp

@@ -1751,9 +1751,15 @@ void kill_screen(const char* lcd_msg) {
      * If the queue is full, the command will fail, so we have to loop
      * with idle() to make sure the command has been enqueued.
      */
-    void lcd_enqueue_command_sram(char * const cmd) {
+    void lcd_enqueue_command(char * const cmd) {
       no_reentry = true;
-      while (enqueue_and_echo_command(cmd)) idle();
+      enqueue_and_echo_command_now(cmd);
+      no_reentry = false;
+    }
+
+    void lcd_enqueue_commands_P(const char * const cmd) {
+      no_reentry = true;
+      enqueue_and_echo_commands_P_now(cmd);
       no_reentry = false;
     }
 
@@ -2082,10 +2088,10 @@ void kill_screen(const char* lcd_msg) {
       enqueue_and_echo_commands_P(PSTR("G28"));
       #if HAS_TEMP_BED
         sprintf_P(UBL_LCD_GCODE, PSTR("M190 S%i"), custom_bed_temp);
-        lcd_enqueue_command_sram(UBL_LCD_GCODE);
+        lcd_enqueue_command(UBL_LCD_GCODE);
       #endif
       sprintf_P(UBL_LCD_GCODE, PSTR("M109 S%i"), custom_hotend_temp);
-      lcd_enqueue_command_sram(UBL_LCD_GCODE);
+      lcd_enqueue_command(UBL_LCD_GCODE);
       enqueue_and_echo_commands_P(PSTR("G29 P1"));
     }
 
@@ -2116,7 +2122,7 @@ void kill_screen(const char* lcd_msg) {
       const int ind = ubl_height_amount > 0 ? 9 : 10;
       strcpy_P(UBL_LCD_GCODE, PSTR("G29 P6 C -"));
       sprintf_P(&UBL_LCD_GCODE[ind], PSTR(".%i"), abs(ubl_height_amount));
-      lcd_enqueue_command_sram(UBL_LCD_GCODE);
+      lcd_enqueue_command(UBL_LCD_GCODE);
     }
 
     /**
@@ -2167,8 +2173,8 @@ void kill_screen(const char* lcd_msg) {
         #endif
       ;
       sprintf_P(UBL_LCD_GCODE, PSTR("G26 C B%i H%i P"), temp, custom_hotend_temp);
-      lcd_enqueue_command_sram("G28");
+      lcd_enqueue_commands_P(PSTR("G28"));
-      lcd_enqueue_command_sram(UBL_LCD_GCODE);
+      lcd_enqueue_command(UBL_LCD_GCODE);
     }
 
     /**
@@ -2201,7 +2207,7 @@ void kill_screen(const char* lcd_msg) {
     void _lcd_ubl_grid_level_cmd() {
       char UBL_LCD_GCODE[10];
       sprintf_P(UBL_LCD_GCODE, PSTR("G29 J%i"), side_points);
-      lcd_enqueue_command_sram(UBL_LCD_GCODE);
+      lcd_enqueue_command(UBL_LCD_GCODE);
     }
 
     /**
@@ -2242,7 +2248,7 @@ void kill_screen(const char* lcd_msg) {
     void _lcd_ubl_fillin_amount_cmd() {
       char UBL_LCD_GCODE[16];
       sprintf_P(UBL_LCD_GCODE, PSTR("G29 P3 R C.%i"), ubl_fillin_amount);
-      lcd_enqueue_command_sram(UBL_LCD_GCODE);
+      lcd_enqueue_command(UBL_LCD_GCODE);
     }
 
     /**
@@ -2334,7 +2340,7 @@ void kill_screen(const char* lcd_msg) {
     void _lcd_ubl_load_mesh_cmd() {
       char UBL_LCD_GCODE[10];
       sprintf_P(UBL_LCD_GCODE, PSTR("G29 L%i"), ubl_storage_slot);
-      lcd_enqueue_command_sram(UBL_LCD_GCODE);
+      lcd_enqueue_command(UBL_LCD_GCODE);
       enqueue_and_echo_commands_P(PSTR("M117 " MSG_MESH_LOADED "."));
     }
 
@@ -2344,7 +2350,7 @@ void kill_screen(const char* lcd_msg) {
     void _lcd_ubl_save_mesh_cmd() {
       char UBL_LCD_GCODE[10];
       sprintf_P(UBL_LCD_GCODE, PSTR("G29 S%i"), ubl_storage_slot);
-      lcd_enqueue_command_sram(UBL_LCD_GCODE);
+      lcd_enqueue_command(UBL_LCD_GCODE);
       enqueue_and_echo_commands_P(PSTR("M117 " MSG_MESH_SAVED "."));
     }
 
@@ -2395,7 +2401,7 @@ void kill_screen(const char* lcd_msg) {
       dtostrf(pgm_read_float(&ubl._mesh_index_to_xpos[x_plot]), 0, 2, str);
       dtostrf(pgm_read_float(&ubl._mesh_index_to_ypos[y_plot]), 0, 2, str2);
       snprintf_P(UBL_LCD_GCODE, sizeof(UBL_LCD_GCODE), PSTR("G29 P4 X%s Y%s R%i"), str, str2, n_edit_pts);
-      lcd_enqueue_command_sram(UBL_LCD_GCODE);
+      lcd_enqueue_command(UBL_LCD_GCODE);
     }
 
     /**
@@ -3290,7 +3296,7 @@ void kill_screen(const char* lcd_msg) {
           autotune_temp[e]
         #endif
       );
-      lcd_enqueue_command_sram(cmd);
+      lcd_enqueue_command(cmd);
     }
 
   #endif // PID_AUTOTUNE_MENU

Marlin/src/module/configuration_store.cpp

@@ -759,7 +759,9 @@ void MarlinSettings::postprocess() {
     }
     else {
       float dummy = 0;
+      #if DISABLED(AUTO_BED_LEVELING_UBL) || DISABLED(FWRETRACT)
         bool dummyb;
+      #endif
 
       working_crc = 0;  // Init to 0. Accumulated by EEPROM_READ
 

Marlin/src/sd/cardreader.cpp

@@ -287,7 +287,7 @@ void CardReader::openAndPrintFile(const char *name) {
   char cmd[4 + strlen(name) + 1]; // Room for "M23 ", filename, and null
   sprintf_P(cmd, PSTR("M23 %s"), name);
   for (char *c = &cmd[4]; *c; c++) *c = tolower(*c);
-  enqueue_and_echo_command(cmd);
+  enqueue_and_echo_command_now(cmd);
   enqueue_and_echo_commands_P(PSTR("M24"));
 }