Ability to disable M32

Marlin/src/gcode/gcode.cpp

@@ -431,7 +431,10 @@ void GcodeSuite::process_parsed_command(const bool no_ok/*=false*/) {
         case 28: M28(); break;                                    // M28: Start SD write
         case 29: M29(); break;                                    // M29: Stop SD write
         case 30: M30(); break;                                    // M30 <filename> Delete File
+
+        #if HAS_MEDIA_SUBCALLS
           case 32: M32(); break;                                  // M32: Select file and start SD print
+        #endif
 
         #if ENABLED(LONG_FILENAME_HOST_SUPPORT)
           case 33: M33(); break;                                  // M33: Get the long full path to a file or folder

Marlin/src/gcode/gcode.h

@@ -541,7 +541,7 @@ private:
   static void M31();
 
   #if ENABLED(SDSUPPORT)
-    static void M32();
+    TERN_(HAS_MEDIA_SUBCALLS, static void M32());
     TERN_(LONG_FILENAME_HOST_SUPPORT, static void M33());
     #if BOTH(SDCARD_SORT_ALPHA, SDSORT_GCODE)
       static void M34();

Marlin/src/gcode/sd/M32.cpp

@@ -22,7 +22,7 @@
 
 #include "../../inc/MarlinConfig.h"
 
-#if ENABLED(SDSUPPORT)
+#if HAS_MEDIA_SUBCALLS
 
 #include "../gcode.h"
 #include "../../sd/cardreader.h"
@@ -56,4 +56,4 @@ void GcodeSuite::M32() {
   }
 }
 
-#endif // SDSUPPORT
+#endif // HAS_MEDIA_SUBCALLS

Marlin/src/inc/Conditionals_adv.h

@@ -146,6 +146,10 @@
   #define HAS_PRINT_PROGRESS 1
 #endif
 
+#if ENABLED(SDSUPPORT) && SD_PROCEDURE_DEPTH
+  #define HAS_MEDIA_SUBCALLS 1
+#endif
+
 #if HAS_PRINT_PROGRESS && EITHER(PRINT_PROGRESS_SHOW_DECIMALS, SHOW_REMAINING_TIME)
   #define HAS_PRINT_PROGRESS_PERMYRIAD 1
 #endif

Marlin/src/sd/cardreader.cpp

@@ -118,9 +118,11 @@ Sd2Card CardReader::sd2card;
 SdVolume CardReader::volume;
 SdFile CardReader::file;
 
+#if HAS_MEDIA_SUBCALLS
   uint8_t CardReader::file_subcall_ctr;
   uint32_t CardReader::filespos[SD_PROCEDURE_DEPTH];
   char CardReader::proc_filenames[SD_PROCEDURE_DEPTH][MAXPATHNAMELENGTH];
+#endif
 
 uint32_t CardReader::filesize, CardReader::sdpos;
 
@@ -135,7 +137,8 @@ CardReader::CardReader() {
   #endif
   flag.sdprinting = flag.mounted = flag.saving = flag.logging = false;
   filesize = sdpos = 0;
-  file_subcall_ctr = 0;
+
+  TERN_(HAS_MEDIA_SUBCALLS, file_subcall_ctr = 0);
 
   workDirDepth = 0;
   ZERO(workDirParents);
@@ -540,9 +543,11 @@ void CardReader::openFileRead(char * const path, const uint8_t subcall_type/*=0*
   switch (subcall_type) {
     case 0:      // Starting a new print. "Now fresh file: ..."
       announceOpen(2, path);
-      file_subcall_ctr = 0;
+      TERN_(HAS_MEDIA_SUBCALLS, file_subcall_ctr = 0);
       break;
 
+    #if HAS_MEDIA_SUBCALLS
+
       case 1:      // Starting a sub-procedure
 
         // With no file is open it's a simple macro. "Now doing file: ..."
@@ -550,14 +555,15 @@ void CardReader::openFileRead(char * const path, const uint8_t subcall_type/*=0*
 
         // Too deep? The firmware has to bail.
         if (file_subcall_ctr > SD_PROCEDURE_DEPTH - 1) {
-        SERIAL_ERROR_MSG("Exceeded max SUBROUTINE depth:" STRINGIFY(SD_PROCEDURE_DEPTH));
+          SERIAL_ERROR_MSG("Exceeded max SUBROUTINE depth:", int(SD_PROCEDURE_DEPTH));
           kill(GET_TEXT(MSG_KILL_SUBCALL_OVERFLOW));
           return;
         }
 
         // Store current filename (based on workDirParents) and position
         getAbsFilename(proc_filenames[file_subcall_ctr]);
-      filespos[file_subcall_ctr] = sdpos;
+
+        TERN_(HAS_MEDIA_SUBCALLS, filespos[file_subcall_ctr] = sdpos);
 
         // For sub-procedures say 'SUBROUTINE CALL target: "..." parent: "..." pos12345'
         SERIAL_ECHO_START();
@@ -568,6 +574,8 @@ void CardReader::openFileRead(char * const path, const uint8_t subcall_type/*=0*
       case 2:      // Resuming previous file after sub-procedure
         SERIAL_ECHO_MSG("END SUBROUTINE");
         break;
+
+    #endif
   }
 
   endFilePrint();
@@ -603,7 +611,7 @@ void CardReader::openFileWrite(char * const path) {
   if (!isMounted()) return;
 
   announceOpen(2, path);
-  file_subcall_ctr = 0;
+  TERN_(HAS_MEDIA_SUBCALLS, file_subcall_ctr = 0);
 
   endFilePrint();
 
@@ -1158,18 +1166,20 @@ uint16_t CardReader::get_num_Files() {
 void CardReader::fileHasFinished() {
   planner.synchronize();
   file.close();
+
+  #if HAS_MEDIA_SUBCALLS
     if (file_subcall_ctr > 0) { // Resume calling file after closing procedure
       file_subcall_ctr--;
       openFileRead(proc_filenames[file_subcall_ctr], 2); // 2 = Returning from sub-procedure
       setIndex(filespos[file_subcall_ctr]);
       startFileprint();
+      return;
     }
-  else {
-    endFilePrint(TERN_(SD_RESORT, true));
+  #endif
 
+  endFilePrint(TERN_(SD_RESORT, true));
   marlin_state = MF_SD_COMPLETE;
 }
-}
 
 #if ENABLED(AUTO_REPORT_SD_STATUS)
   uint8_t CardReader::auto_report_sd_interval = 0;

Marlin/src/sd/cardreader.h

@@ -249,12 +249,11 @@ private:
   //
   // Procedure calls to other files
   //
-  #ifndef SD_PROCEDURE_DEPTH
-    #define SD_PROCEDURE_DEPTH 1
-  #endif
+  #if HAS_MEDIA_SUBCALLS
     static uint8_t file_subcall_ctr;
     static uint32_t filespos[SD_PROCEDURE_DEPTH];
     static char proc_filenames[SD_PROCEDURE_DEPTH][MAXPATHNAMELENGTH];
+  #endif
 
   //
   // SD Auto Reporting

buildroot/tests/LPC1769-tests

@@ -23,6 +23,7 @@ opt_enable VIKI2 SDSUPPORT ADAPTIVE_FAN_SLOWING NO_FAN_SLOWING_IN_PID_TUNING \
            PRINTCOUNTER NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE SLOW_PWM_HEATERS PIDTEMPBED EEPROM_SETTINGS INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT \
            Z_SAFE_HOMING ADVANCED_PAUSE_FEATURE PARK_HEAD_ON_PAUSE \
            LCD_INFO_MENU ARC_SUPPORT BEZIER_CURVE_SUPPORT EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES SDCARD_SORT_ALPHA EMERGENCY_PARSER
+opt_disable SD_PROCEDURE_DEPTH
 opt_set GRID_MAX_POINTS_X 16
 exec_test $1 $2 "Smoothieboard with many features"
 

platformio.ini

@@ -180,6 +180,7 @@ default_src_filter = +<src/*> -<src/config> -<src/HAL> +<src/HAL/shared>
   -<src/gcode/probe/M951.cpp>
   -<src/gcode/scara>
   -<src/gcode/sd>
+  -<src/gcode/sd/M32.cpp>
   -<src/gcode/temp/M104_M109.cpp>
   -<src/gcode/temp/M155.cpp>
   -<src/gcode/units/G20_G21.cpp>
@@ -370,6 +371,7 @@ Z_PROBE_SLED            = src_filter=+<src/gcode/probe/G31_G32.cpp>
 G38_PROBE_TARGET        = src_filter=+<src/gcode/probe/G38.cpp>
 MAGNETIC_PARKING_EXTRUDER = src_filter=+<src/gcode/probe/M951.cpp>
 SDSUPPORT               = src_filter=+<src/gcode/sd>
+HAS_MEDIA_SUBCALLS      = src_filter=+<src/gcode/sd/M32.cpp>
 HAS_EXTRUDERS           = src_filter=+<src/gcode/temp/M104_M109.cpp> +<src/gcode/config/M221.cpp>
 AUTO_REPORT_TEMPERATURES = src_filter=+<src/gcode/temp/M155.cpp>
 INCH_MODE_SUPPORT       = src_filter=+<src/gcode/units/G20_G21.cpp>