Merge branch 'MK3' into MK3-PFW-1024

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,31 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: "[BUG]<Enter comprehensive title>"
+labels: bug
+assignees: ''
+
+---
+
+Please, before you create a new bug report, please make sure you searched in open and closed issues and couldn't find anything that matches.
+
+**Printer type** - [e.g. MK3S, MK3, MK2.5S, MK2.5, MK2S, MK2]
+**Printer firmware version**-  [e.g. 3.8.1, 3.8.1-RC1, ...]
+
+**MMU Upgrade** - [e.g. MMU2S, MMU2, MMU1]
+**MMU upgrade firmware version [e.g. 1.0.6, 1.0.6-RC2, ...]
+
+**Describe the bug**
+  A clear and concise description of what the bug is.
+  
+**To Reproduce**
+  Please describe steps to reproduce the behavior.
+  
+**Expected behavior**
+  A clear and concise description of what you expected to happen.
+  
+**G-code**
+  Please attach a G-code. This will make it easier for us to replicate the error.
+
+**Video**
+  Please attach a video. It usually helps to solve the problem.

.github/ISSUE_TEMPLATE/enhancement.md

@@ -0,0 +1,20 @@
+---
+name: Enhancement
+about: Suggest an idea for this project
+title: "  [ENHANCEMENT]<Enter comprehensive title>"
+labels: enhancement
+assignees: ''
+
+---
+
+Please, before you create a new feature request, please make sure you searched in open and closed issues and couldn't find anything that matches.
+
+Enter what type of printer or upgrade the enhancement applies to.
+**Printer type** - [e.g. MK3S, MK3, MK2.5S, MK2.5, MK2S, MK2]
+**MMU Upgrade** - [e.g. MMU2S, MMU2, MMU1]
+
+**Is your enhancement related to a problem? Please describe.**
+  A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+  
+**Describe the solution you'd like**
+  A clear and concise description of what you want to happen.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: "[FEATURE REQUEST]<Enter comprehensive title>"
+labels: feature request
+assignees: ''
+
+---
+
+Please, before you create a new feature request, please make sure you searched in open and closed issues and couldn't find anything that matches.
+
+If it makes sense, enter what type of printer or upgrade the feature request applies to.
+**Printer type** - [e.g. MK3S, MK3, MK2.5S, MK2.5, MK2S, MK2]
+**MMU Upgrade** - [e.g. MMU2S, MMU2, MMU1]
+
+**Is your feature request related to a problem? Please describe.**
+  A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+  
+**Describe the solution you'd like**
+  A clear and concise description of what you want to happen.

.github/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,12 @@
+---
+name: Question
+about: What do you want to know?
+title: "[QUESTION]<Enter comprehensive title>"
+labels: question
+assignees: ''
+
+---
+
+Please, before you create a new question, please make sure you searched in open and closed issues and couldn't find anything that matches.
+
+**What is your question?**

Firmware/Marlin.h

@@ -296,6 +296,7 @@ void setPwmFrequency(uint8_t pin, int val);
 extern bool fans_check_enabled;
 extern float homing_feedrate[];
 extern bool axis_relative_modes[];
+extern float feedrate;
 extern int feedmultiply;
 extern int extrudemultiply; // Sets extrude multiply factor (in percent) for all extruders
 extern int extruder_multiply[EXTRUDERS]; // sets extrude multiply factor (in percent) for each extruder individually
@@ -395,7 +396,7 @@ extern uint16_t gcode_in_progress;
 extern LongTimer safetyTimer;
 
 #define PRINT_PERCENT_DONE_INIT   0xff
-#define PRINTER_ACTIVE (IS_SD_PRINTING || is_usb_printing || isPrintPaused || (custom_message_type == CustomMsg::TempCal) || saved_printing || (lcd_commands_type == LcdCommands::Layer1Cal) || card.paused || mmu_print_saved)
+#define PRINTER_ACTIVE (IS_SD_PRINTING || is_usb_printing || isPrintPaused || (custom_message_type == CustomMsg::TempCal) || saved_printing || (lcd_commands_type == LcdCommands::Layer1Cal) || mmu_print_saved)
 
 //! Beware - mcode_in_progress is set as soon as the command gets really processed,
 //! which is not the same as posting the M600 command into the command queue

Firmware/Marlin_main.cpp

@@ -310,6 +310,8 @@ bool no_response = false;
 uint8_t important_status;
 uint8_t saved_filament_type;
 
+#define SAVED_TARGET_UNSET (X_MIN_POS-1)
+float saved_target[NUM_AXIS] = {SAVED_TARGET_UNSET, 0, 0, 0};
 
 // save/restore printing in case that mmu was not responding 
 bool mmu_print_saved = false;
@@ -330,7 +332,15 @@ float destination[NUM_AXIS] = {  0.0, 0.0, 0.0, 0.0};
 
 // For tracing an arc
 static float offset[3] = {0.0, 0.0, 0.0};
-static float feedrate = 1500.0, next_feedrate, saved_feedrate;
+
+// Current feedrate
+float feedrate = 1500.0;
+
+// Feedrate for the next move
+static float next_feedrate;
+
+// Original feedrate saved during homing moves
+static float saved_feedrate;
 
 // Determines Absolute or Relative Coordinates.
 // Also there is bool axis_relative_modes[] per axis flag.
@@ -374,8 +384,8 @@ bool saved_printing = false; //!< Print is paused and saved in RAM
 static uint32_t saved_sdpos = 0; //!< SD card position, or line number in case of USB printing
 uint8_t saved_printing_type = PRINTING_TYPE_SD;
 static float saved_pos[4] = { 0, 0, 0, 0 };
-//! Feedrate hopefully derived from an active block of the planner at the time the print has been canceled, in mm/min.
-static float saved_feedrate2 = 0;
+static uint16_t saved_feedrate2 = 0; //!< Default feedrate (truncated from float)
+static int saved_feedmultiply2 = 0;
 static uint8_t saved_active_extruder = 0;
 static float saved_extruder_temperature = 0.0; //!< Active extruder temperature
 static bool saved_extruder_under_pressure = false;
@@ -3658,7 +3668,7 @@ void process_commands()
     
     Set of internal PRUSA commands
       
-          PRUSA [ Ping | PRN | FAN | fn | thx | uvlo | fsensor_recover | MMURES | RESET | fv | M28 | SN | Fir | Rev | Lang | Lz | Beat | FR ]
+          PRUSA [ Ping | PRN | FAN | fn | thx | uvlo | MMURES | RESET | fv | M28 | SN | Fir | Rev | Lang | Lz | Beat | FR ]
       
       - `Ping` 
       - `PRN` - Prints revision of the printer
@@ -3666,7 +3676,6 @@ void process_commands()
       - `fn` - Prints farm no.
       - `thx` 
       - `uvlo` 
-      - `fsensor_recover` - Filament sensor recover - restore print and continue
       - `MMURES` - Reset MMU
       - `RESET` - (Careful!)
       - `fv`  - ?
@@ -3716,12 +3725,6 @@ void process_commands()
                eeprom_update_byte((uint8_t*)EEPROM_UVLO,0); 
                enquecommand_P(PSTR("M24")); 
 		}	
-#ifdef FILAMENT_SENSOR
-		else if (code_seen("fsensor_recover")) // PRUSA fsensor_recover
-		{
-               fsensor_restore_print_and_continue();
-		}	
-#endif //FILAMENT_SENSOR
 		else if (code_seen("MMURES")) // PRUSA MMURES
 		{
 			mmu_reset();
@@ -4046,8 +4049,19 @@ if(eSoundMode!=e_SOUND_MODE_SILENT)
 
         #endif
 
+            get_coordinates(); // For X Y Z E F
+
+            // When recovering from a previous print move, restore the originally
+            // calculated target position on the first USB/SD command. This accounts
+            // properly for relative moves
+            if ((saved_target[0] != SAVED_TARGET_UNSET) &&
+                ((CMDBUFFER_CURRENT_TYPE == CMDBUFFER_CURRENT_TYPE_SDCARD) ||
+                 (CMDBUFFER_CURRENT_TYPE == CMDBUFFER_CURRENT_TYPE_USB_WITH_LINENR)))
+            {
+                memcpy(destination, saved_target, sizeof(destination));
+                saved_target[0] = SAVED_TARGET_UNSET;
+            }
 
-        get_coordinates(); // For X Y Z E F
 		if (total_filament_used > ((current_position[E_AXIS] - destination[E_AXIS]) * 100)) { //protection against total_filament_used overflow
 			total_filament_used = total_filament_used + ((destination[E_AXIS] - current_position[E_AXIS]) * 100);
 		}
@@ -5366,21 +5380,19 @@ if(eSoundMode!=e_SOUND_MODE_SILENT)
       card.openFile(strchr_pointer + 4,true);
       break;
 
-    //! ### M24 - Start SD print
+    //! ### M24 - Start/resume SD print
     // ----------------------------------
     case 24:
-	  if (!card.paused) 
-		failstats_reset_print();
-      card.startFileprint();
-      starttime=_millis();
+	  if (isPrintPaused)
+          lcd_resume_print();
+      else
+      {
+          failstats_reset_print();
+          card.startFileprint();
+          starttime=_millis();
+      }
 	  break;
 
-    //! ### M25 - Pause SD print
-    // ----------------------------------
-    case 25:
-      card.pauseSDPrint();
-      break;
-
     //! ### M26 S\<index\> - Set SD index
     //! Set position in SD card file to index in bytes.
     //! This command is expected to be called after M23 and before M24.
@@ -5935,7 +5947,7 @@ Sigma_Exit:
     //! ### M112 - Emergency stop
     // -----------------------------------------
     case 112: 
-      kill(_n(""), 3);
+      kill(MSG_M112_KILL, 3);
       break;
 
     //! ### M140 - Set bed temperature
@@ -7235,19 +7247,27 @@ Sigma_Exit:
     break;
     #endif //FILAMENTCHANGEENABLE
 
+  //! ### M25 - Pause SD print
   //! ### M601 - Pause print
+  //! ### M125 - Pause print (TODO: not implemented)
   // -------------------------------
+	case 25:
 	case 601:
 	{
-		cmdqueue_pop_front(); //trick because we want skip this command (M601) after restore
-		lcd_pause_print();
+        if (!isPrintPaused)
+        {
+            st_synchronize();
+            cmdqueue_pop_front(); //trick because we want skip this command (M601) after restore
+            lcd_pause_print();
+        }
 	}
 	break;
 
   //! ### M602 - Resume print
   // -------------------------------
 	case 602: {
-		lcd_resume_print();
+	  if (isPrintPaused)
+          lcd_resume_print();
 	}
 	break;
 
@@ -8342,38 +8362,43 @@ void clamp_to_software_endstops(float target[3])
 }
 
 #ifdef MESH_BED_LEVELING
-    void mesh_plan_buffer_line(const float &x, const float &y, const float &z, const float &e, const float &feed_rate, const uint8_t extruder) {
+void mesh_plan_buffer_line(const float &x, const float &y, const float &z, const float &e, const float &feed_rate, const uint8_t extruder) {
         float dx = x - current_position[X_AXIS];
         float dy = y - current_position[Y_AXIS];
-        float dz = z - current_position[Z_AXIS];
         int n_segments = 0;
-		
+
         if (mbl.active) {
             float len = abs(dx) + abs(dy);
             if (len > 0)
                 // Split to 3cm segments or shorter.
                 n_segments = int(ceil(len / 30.f));
         }
-        
+
         if (n_segments > 1) {
+            // In a multi-segment move explicitly set the final target in the plan
+            // as the move will be recalculated in it's entirety
+            float gcode_target[NUM_AXIS];
+            gcode_target[X_AXIS] = x;
+            gcode_target[Y_AXIS] = y;
+            gcode_target[Z_AXIS] = z;
+            gcode_target[E_AXIS] = e;
+
+            float dz = z - current_position[Z_AXIS];
             float de = e - current_position[E_AXIS];
+
             for (int i = 1; i < n_segments; ++ i) {
                 float t = float(i) / float(n_segments);
-                if (saved_printing || (mbl.active == false)) return;
-                plan_buffer_line(
-                                 current_position[X_AXIS] + t * dx,
+                plan_buffer_line(current_position[X_AXIS] + t * dx,
                                  current_position[Y_AXIS] + t * dy,
                                  current_position[Z_AXIS] + t * dz,
                                  current_position[E_AXIS] + t * de,
-                                 feed_rate, extruder);
+                                 feed_rate, extruder, gcode_target);
+                if (waiting_inside_plan_buffer_line_print_aborted)
+                    return;
             }
         }
         // The rest of the path.
         plan_buffer_line(x, y, z, e, feed_rate, extruder);
-        current_position[X_AXIS] = x;
-        current_position[Y_AXIS] = y;
-        current_position[Z_AXIS] = z;
-        current_position[E_AXIS] = e;
     }
 #endif  // MESH_BED_LEVELING
     
@@ -8394,9 +8419,7 @@ void prepare_move()
 #endif
   }
 
-  for(int8_t i=0; i < NUM_AXIS; i++) {
-    current_position[i] = destination[i];
-  }
+  set_current_to_destination();
 }
 
 void prepare_arc_move(char isclockwise) {
@@ -8604,7 +8627,7 @@ if(0)
 
   if( (_millis() - previous_millis_cmd) >  max_inactive_time )
     if(max_inactive_time)
-      kill(_n(""), 4);
+      kill(_n("Inactivity Shutdown"), 4);
   if(stepper_inactive_time)  {
     if( (_millis() - previous_millis_cmd) >  stepper_inactive_time )
     {
@@ -8645,7 +8668,7 @@ if(0)
     // ----------------------------------------------------------------
     if ( killCount >= KILL_DELAY)
     {
-       kill("", 5);
+       kill(NULL, 5);
     }
   #endif
     
@@ -8723,6 +8746,16 @@ void kill(const char *full_screen_message, unsigned char id)
   } // Wait for reset
 }
 
+// Stop: Emergency stop used by overtemp functions which allows recovery
+//
+//   In addition to stopping the print, this prevents subsequent G[0-3] commands to be
+//   processed via USB (using "Stopped") until the print is resumed via M999 or
+//   manually started from scratch with the LCD.
+//
+//   Note that the current instruction is completely discarded, so resuming from Stop()
+//   will introduce either over/under extrusion on the current segment, and will not
+//   survive a power panic. Switching Stop() to use the pause machinery instead (with
+//   the addition of disabling the headers) could allow true recovery in the future.
 void Stop()
 {
   disable_heater();
@@ -9117,10 +9150,8 @@ void bed_check(float x_dimension, float y_dimension, int x_points_num, int y_poi
 		destination[X_AXIS] = ix * (x_dimension / (x_points_num - 1)) + shift_x;
 		destination[Y_AXIS] = iy * (y_dimension / (y_points_num - 1)) + shift_y;
 
-		mesh_plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], XY_AXIS_FEEDRATE/6, active_extruder);
-		for(int8_t i=0; i < NUM_AXIS; i++) {
-			current_position[i] = destination[i];
-		}
+        mesh_plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], XY_AXIS_FEEDRATE/6, active_extruder);
+        set_current_to_destination();
 		st_synchronize();
 
 	//	printf_P(PSTR("X = %f; Y= %f \n"), current_position[X_AXIS], current_position[Y_AXIS]);
@@ -9535,9 +9566,11 @@ float temp_compensation_pinda_thermistor_offset(float temperature_pinda)
 void long_pause() //long pause print
 {
 	st_synchronize();
-	
 	start_pause_print = _millis();
 
+    // Stop heaters
+    setAllTargetHotends(0);
+
 	//retract
 	current_position[E_AXIS] -= default_retraction;
 	plan_buffer_line_curposXYZE(400, active_extruder);
@@ -9552,8 +9585,7 @@ void long_pause() //long pause print
 	current_position[Y_AXIS] = Y_PAUSE_POS;
 	plan_buffer_line_curposXYZE(50, active_extruder);
 
-	// Turn off the hotends and print fan
-    setAllTargetHotends(0);
+	// Turn off the print fan
 	fanSpeed = 0;
 }
 
@@ -9611,8 +9643,18 @@ void uvlo_()
       if (sd_position < 0) sd_position = 0;
     }
 
-    // Backup the feedrate in mm/min.
-    int feedrate_bckp = blocks_queued() ? (block_buffer[block_buffer_tail].nominal_speed * 60.f) : feedrate;
+    // save the global state at planning time
+    uint16_t feedrate_bckp;
+    if (blocks_queued())
+    {
+        memcpy(saved_target, current_block->gcode_target, sizeof(saved_target));
+        feedrate_bckp = current_block->gcode_feedrate;
+    }
+    else
+    {
+        saved_target[0] = SAVED_TARGET_UNSET;
+        feedrate_bckp = feedrate;
+    }
 
     // After this call, the planner queue is emptied and the current_position is set to a current logical coordinate.
     // The logical coordinate will likely differ from the machine coordinate if the skew calibration and mesh bed leveling
@@ -9679,7 +9721,8 @@ void uvlo_()
     eeprom_update_float((float*)(EEPROM_UVLO_CURRENT_POSITION + 4), current_position[Y_AXIS]);
     eeprom_update_float((float*)EEPROM_UVLO_CURRENT_POSITION_Z , current_position[Z_AXIS]);
     // Store the current feed rate, temperatures, fan speed and extruder multipliers (flow rates)
-    EEPROM_save_B(EEPROM_UVLO_FEEDRATE, &feedrate_bckp);
+	eeprom_update_word((uint16_t*)EEPROM_UVLO_FEEDRATE, feedrate_bckp);
+    EEPROM_save_B(EEPROM_UVLO_FEEDMULTIPLY, &feedmultiply);
     eeprom_update_byte((uint8_t*)EEPROM_UVLO_TARGET_HOTEND, target_temperature[active_extruder]);
     eeprom_update_byte((uint8_t*)EEPROM_UVLO_TARGET_BED, target_temperature_bed);
     eeprom_update_byte((uint8_t*)EEPROM_UVLO_FAN_SPEED, fanSpeed);
@@ -9691,6 +9734,11 @@ void uvlo_()
 #endif
 #endif
 	eeprom_update_word((uint16_t*)(EEPROM_EXTRUDEMULTIPLY), (uint16_t)extrudemultiply);
+    // Store the saved target
+    eeprom_update_float((float*)(EEPROM_UVLO_SAVED_TARGET+0*4), saved_target[X_AXIS]);
+    eeprom_update_float((float*)(EEPROM_UVLO_SAVED_TARGET+1*4), saved_target[Y_AXIS]);
+    eeprom_update_float((float*)(EEPROM_UVLO_SAVED_TARGET+2*4), saved_target[Z_AXIS]);
+    eeprom_update_float((float*)(EEPROM_UVLO_SAVED_TARGET+3*4), saved_target[E_AXIS]);
 
     // Finaly store the "power outage" flag.
 	if(sd_print) eeprom_update_byte((uint8_t*)EEPROM_UVLO, 1);
@@ -9939,10 +9987,17 @@ void recover_machine_state_after_power_panic(bool bTiny)
 #endif
 #endif
   extrudemultiply = (int)eeprom_read_word((uint16_t*)(EEPROM_EXTRUDEMULTIPLY));
+
+  // 9) Recover the saved target
+  saved_target[X_AXIS] = eeprom_read_float((float*)(EEPROM_UVLO_SAVED_TARGET+0*4));
+  saved_target[Y_AXIS] = eeprom_read_float((float*)(EEPROM_UVLO_SAVED_TARGET+1*4));
+  saved_target[Z_AXIS] = eeprom_read_float((float*)(EEPROM_UVLO_SAVED_TARGET+2*4));
+  saved_target[E_AXIS] = eeprom_read_float((float*)(EEPROM_UVLO_SAVED_TARGET+3*4));
 }
 
 void restore_print_from_eeprom() {
 	int feedrate_rec;
+	int feedmultiply_rec;
 	uint8_t fan_speed_rec;
 	char cmd[30];
 	char filename[13];
@@ -9950,9 +10005,12 @@ void restore_print_from_eeprom() {
 	char dir_name[9];
 
 	fan_speed_rec = eeprom_read_byte((uint8_t*)EEPROM_UVLO_FAN_SPEED);
-	EEPROM_read_B(EEPROM_UVLO_FEEDRATE, &feedrate_rec);
+    feedrate_rec = eeprom_read_word((uint16_t*)EEPROM_UVLO_FEEDRATE);
+	EEPROM_read_B(EEPROM_UVLO_FEEDMULTIPLY, &feedmultiply_rec);
 	SERIAL_ECHOPGM("Feedrate:");
-	MYSERIAL.println(feedrate_rec);
+	MYSERIAL.print(feedrate_rec);
+	SERIAL_ECHOPGM(", feedmultiply:");
+	MYSERIAL.println(feedmultiply_rec);
 
 	depth = eeprom_read_byte((uint8_t*)EEPROM_DIR_DEPTH);
 	
@@ -9993,9 +10051,11 @@ void restore_print_from_eeprom() {
 	enquecommand(cmd);
   // Unretract.
 	enquecommand_P(PSTR("G1 E"  STRINGIFY(2*default_retraction)" F480"));
-  // Set the feedrate saved at the power panic.
+  // Set the feedrates saved at the power panic.
 	sprintf_P(cmd, PSTR("G1 F%d"), feedrate_rec);
 	enquecommand(cmd);
+	sprintf_P(cmd, PSTR("M220 S%d"), feedmultiply_rec);
+	enquecommand(cmd);
 	if (eeprom_read_byte((uint8_t*)EEPROM_UVLO_E_ABS))
 	{
 	  enquecommand_P(PSTR("M82")); //E axis abslute mode
@@ -10147,16 +10207,21 @@ void stop_and_save_print_to_ram(float z_move, float e_move)
   }
 #endif
 
-#if 0
-  saved_feedrate2 = feedrate; //save feedrate
-#else
-  // Try to deduce the feedrate from the first block of the planner.
-  // Speed is in mm/min.
-  saved_feedrate2 = blocks_queued() ? (block_buffer[block_buffer_tail].nominal_speed * 60.f) : feedrate;
-#endif
+  // save the global state at planning time
+  if (blocks_queued())
+  {
+      memcpy(saved_target, current_block->gcode_target, sizeof(saved_target));
+      saved_feedrate2 = current_block->gcode_feedrate;
+  }
+  else
+  {
+      saved_target[0] = SAVED_TARGET_UNSET;
+      saved_feedrate2 = feedrate;
+  }
 
 	planner_abort_hard(); //abort printing
 	memcpy(saved_pos, current_position, sizeof(saved_pos));
+    saved_feedmultiply2 = feedmultiply; //save feedmultiply
 	saved_active_extruder = active_extruder; //save active_extruder
 	saved_extruder_temperature = degTargetHotend(active_extruder);
 
@@ -10172,7 +10237,9 @@ void stop_and_save_print_to_ram(float z_move, float e_move)
 	sei();
 	if ((z_move != 0) || (e_move != 0)) { // extruder or z move
 #if 1
-    // Rather than calling plan_buffer_line directly, push the move into the command queue, 
+    // Rather than calling plan_buffer_line directly, push the move into the command queue so that
+    // the caller can continue processing. This is used during powerpanic to save the state as we
+    // move away from the print.
     char buf[48];
 
 	// First unretract (relative extrusion)
@@ -10201,6 +10268,7 @@ void stop_and_save_print_to_ram(float z_move, float e_move)
     memcpy(current_position, saved_pos, sizeof(saved_pos));
     memcpy(destination, current_position, sizeof(destination));
 #endif
+    waiting_inside_plan_buffer_line_print_aborted = true; //unroll the stack
   }
 }
 
@@ -10234,7 +10302,6 @@ void restore_print_from_ram_and_continue(float e_move)
 		wait_for_heater(_millis(), saved_active_extruder);
 		heating_status = 2;
 	}
-	feedrate = saved_feedrate2; //restore feedrate
 	axis_relative_modes[E_AXIS] = saved_extruder_relative_mode;
 	float e = saved_pos[E_AXIS] - e_move;
 	plan_set_e_position(e);
@@ -10257,6 +10324,10 @@ void restore_print_from_ram_and_continue(float e_move)
     fans_check_enabled = true;
   #endif
 
+    // restore original feedrate/feedmultiply _after_ restoring the extruder position
+	feedrate = saved_feedrate2;
+	feedmultiply = saved_feedmultiply2;
+
 	memcpy(current_position, saved_pos, sizeof(saved_pos));
 	memcpy(destination, current_position, sizeof(destination));
 	if (saved_printing_type == PRINTING_TYPE_SD) { //was sd printing
@@ -10272,10 +10343,12 @@ void restore_print_from_ram_and_continue(float e_move)
 	else {
 		//not sd printing nor usb printing
 	}
+
 	SERIAL_PROTOCOLLNRPGM(MSG_OK); //dummy response because of octoprint is waiting for this
 	lcd_setstatuspgm(_T(WELCOME_MSG));
     saved_printing_type = PRINTING_TYPE_NONE;
 	saved_printing = false;
+    waiting_inside_plan_buffer_line_print_aborted = true; //unroll the stack
 }
 
 void print_world_coordinates()

Firmware/cardreader.cpp

@@ -25,7 +25,6 @@ CardReader::CardReader()
    sdpos = 0;
    sdprinting = false;
    cardOK = false;
-   paused = false;
    saving = false;
    logging = false;
    autostart_atmillis=0;
@@ -242,24 +241,13 @@ void CardReader::startFileprint()
   if(cardOK)
   {
     sdprinting = true;
-	paused = false;
-     Stopped = false;
+    Stopped = false;
 	#ifdef SDCARD_SORT_ALPHA
 		//flush_presort();
 	#endif
   }
 }
 
-void CardReader::pauseSDPrint()
-{
-  if(sdprinting)
-  {
-    sdprinting = false;
-	paused = true;
-  }
-}
-
-
 void CardReader::openLogFile(const char* name)
 {
   logging = true;
@@ -371,10 +359,10 @@ void CardReader::openFile(const char* name,bool read, bool replace_current/*=tru
     {
      if((int)file_subcall_ctr>(int)SD_PROCEDURE_DEPTH-1)
      {
-       SERIAL_ERROR_START;
-       SERIAL_ERRORPGM("trying to call sub-gcode files with too many levels. MAX level is:");
-       SERIAL_ERRORLN(SD_PROCEDURE_DEPTH);
-       kill("", 1);
+       // SERIAL_ERROR_START;
+       // SERIAL_ERRORPGM("trying to call sub-gcode files with too many levels. MAX level is:");
+       // SERIAL_ERRORLN(SD_PROCEDURE_DEPTH);
+       kill(_n("trying to call sub-gcode files with too many levels."), 1);
        return;
      }
      
@@ -408,9 +396,7 @@ void CardReader::openFile(const char* name,bool read, bool replace_current/*=tru
     SERIAL_ECHOLN(name);
   }
   sdprinting = false;
-  paused = false;
-  
- 
+
   SdFile myDir;
   const char *fname=name;
   diveSubfolder(fname,myDir);
@@ -492,24 +478,27 @@ uint32_t CardReader::getFileSize()
 
 void CardReader::getStatus()
 {
-  if(sdprinting){
-    SERIAL_PROTOCOL(longFilename);
-    SERIAL_PROTOCOLPGM("\n");
-    SERIAL_PROTOCOLRPGM(_N("SD printing byte "));////MSG_SD_PRINTING_BYTE
-    SERIAL_PROTOCOL(sdpos);
-    SERIAL_PROTOCOLPGM("/");
-    SERIAL_PROTOCOLLN(filesize);
-    uint16_t time = _millis()/60000 - starttime/60000;
-    SERIAL_PROTOCOL(itostr2(time/60));
-    SERIAL_PROTOCOL(':');
-    SERIAL_PROTOCOL(itostr2(time%60));
-    SERIAL_PROTOCOLPGM("\n");
-  }
-  else if (paused) {
-	SERIAL_PROTOCOLLNPGM("SD print paused");
-  }
-  else if (saved_printing) {
-	SERIAL_PROTOCOLLNPGM("Print saved");
+  if(sdprinting)
+  {
+      if (isPrintPaused) {
+          SERIAL_PROTOCOLLNPGM("SD print paused");
+      }
+      else if (saved_printing) {
+          SERIAL_PROTOCOLLNPGM("Print saved");
+      }
+      else {
+          SERIAL_PROTOCOL(longFilename);
+          SERIAL_PROTOCOLPGM("\n");
+          SERIAL_PROTOCOLRPGM(_N("SD printing byte "));////MSG_SD_PRINTING_BYTE
+          SERIAL_PROTOCOL(sdpos);
+          SERIAL_PROTOCOLPGM("/");
+          SERIAL_PROTOCOLLN(filesize);
+          uint16_t time = _millis()/60000 - starttime/60000;
+          SERIAL_PROTOCOL(itostr2(time/60));
+          SERIAL_PROTOCOL(':');
+          SERIAL_PROTOCOL(itostr2(time%60));
+          SERIAL_PROTOCOLPGM("\n");
+      }
   }
   else {
     SERIAL_PROTOCOLLNPGM("Not SD printing");

Firmware/cardreader.h

@@ -25,7 +25,6 @@ public:
   void closefile(bool store_location=false);
   void release();
   void startFileprint();
-  void pauseSDPrint();
   uint32_t getFileSize();
   void getStatus();
   void printingHasFinished();
@@ -75,7 +74,6 @@ public:
   bool logging;
   bool sdprinting ;  
   bool cardOK ;
-  bool paused ;
   char filename[13];
   uint16_t modificationTime, modificationDate;
   uint32_t cluster, position;

Firmware/cmdqueue.cpp

@@ -500,7 +500,7 @@ void get_command()
 
         //If command was e-stop process now
         if(strcmp(cmdbuffer+bufindw+CMDHDRSIZE, "M112") == 0)
-          kill("", 2);
+          kill(MSG_M112_KILL, 2);
         
         // Store the current line into buffer, move to the next line.
 		// Store type of entry
@@ -582,30 +582,8 @@ void get_command()
        ((serial_char == '#' || serial_char == ':') && comment_mode == false) ||
        serial_count >= (MAX_CMD_SIZE - 1) || n==-1)
     {
-      if(card.eof()){
-        SERIAL_PROTOCOLLNRPGM(_n("Done printing file"));////MSG_FILE_PRINTED
-        stoptime=_millis();
-        char time[30];
-        unsigned long t=(stoptime-starttime-pause_time)/1000;
-        pause_time = 0;
-        int hours, minutes;
-        minutes=(t/60)%60;
-        hours=t/60/60;
-        save_statistics(total_filament_used, t);
-        sprintf_P(time, PSTR("%i hours %i minutes"),hours, minutes);
-        SERIAL_ECHO_START;
-        SERIAL_ECHOLN(time);
-        lcd_setstatus(time);
-        card.printingHasFinished();
-        card.checkautostart(true);
-
-        if (farm_mode)
-        {
-            prusa_statistics(6);
-            lcd_commands_type = LcdCommands::FarmModeConfirm;
-        }
+      if(card.eof()) break;
 
-      }
       if(serial_char=='#')
         stop_buffering=true;
 
@@ -663,6 +641,37 @@ void get_command()
       else if(!comment_mode) cmdbuffer[bufindw+CMDHDRSIZE+serial_count++] = serial_char;
     }
   }
+  if(card.eof())
+  {
+      // file was fully buffered, but commands might still need to be planned!
+      // do *not* clear sdprinting until all SD commands are consumed to ensure
+      // SD state can be resumed from a saved printing state. sdprinting is only
+      // cleared by printingHasFinished after peforming all remaining moves.
+      if(!cmdqueue_calc_sd_length())
+      {
+          SERIAL_PROTOCOLLNRPGM(_n("Done printing file"));////MSG_FILE_PRINTED
+          stoptime=_millis();
+          char time[30];
+          unsigned long t=(stoptime-starttime-pause_time)/1000;
+          pause_time = 0;
+          int hours, minutes;
+          minutes=(t/60)%60;
+          hours=t/60/60;
+          save_statistics(total_filament_used, t);
+          sprintf_P(time, PSTR("%i hours %i minutes"),hours, minutes);
+          SERIAL_ECHO_START;
+          SERIAL_ECHOLN(time);
+          lcd_setstatus(time);
+          card.printingHasFinished();
+          card.checkautostart(true);
+
+          if (farm_mode)
+          {
+              prusa_statistics(6);
+              lcd_commands_type = LcdCommands::FarmModeConfirm;
+          }
+      }
+  }
 
   #endif //SDSUPPORT
 }

Firmware/eeprom.h

@@ -74,7 +74,7 @@ static_assert(sizeof(Sheets) == EEPROM_SHEETS_SIZEOF, "Sizeof(Sheets) is not EEP
 #define EEPROM_UVLO_CURRENT_POSITION_Z	(EEPROM_FILE_POSITION - 4) //float for current position in Z
 #define EEPROM_UVLO_TARGET_HOTEND		(EEPROM_UVLO_CURRENT_POSITION_Z - 1)
 #define EEPROM_UVLO_TARGET_BED			(EEPROM_UVLO_TARGET_HOTEND - 1)
-#define EEPROM_UVLO_FEEDRATE			(EEPROM_UVLO_TARGET_BED - 2)
+#define EEPROM_UVLO_FEEDRATE			(EEPROM_UVLO_TARGET_BED - 2) //uint16_t
 #define EEPROM_UVLO_FAN_SPEED			(EEPROM_UVLO_FEEDRATE - 1) 
 #define EEPROM_FAN_CHECK_ENABLED		(EEPROM_UVLO_FAN_SPEED - 1)
 #define EEPROM_UVLO_MESH_BED_LEVELING     (EEPROM_FAN_CHECK_ENABLED - 9*2)
@@ -204,7 +204,10 @@ static Sheets * const EEPROM_Sheets_base = (Sheets*)(EEPROM_SHEETS_BASE);
 #define EEPROM_FSENSOR_PCB (EEPROM_SHEETS_BASE-1) // uint8
 #define EEPROM_FSENSOR_ACTION_NA (EEPROM_FSENSOR_PCB-1) // uint8
 
-#define EEPROM_BACKLIGHT_LEVEL_HIGH (EEPROM_FSENSOR_ACTION_NA-1) // uint8
+#define EEPROM_UVLO_SAVED_TARGET (EEPROM_FSENSOR_ACTION_NA - 4*4) // 4 x float for saved target for all axes
+#define EEPROM_UVLO_FEEDMULTIPLY (EEPROM_UVLO_SAVED_TARGET - 2) // uint16_t for feedmultiply
+
+#define EEPROM_BACKLIGHT_LEVEL_HIGH (EEPROM_UVLO_FEEDMULTIPLY-1) // uint8
 #define EEPROM_BACKLIGHT_LEVEL_LOW (EEPROM_BACKLIGHT_LEVEL_HIGH-1) // uint8
 #define EEPROM_BACKLIGHT_MODE (EEPROM_BACKLIGHT_LEVEL_LOW-1) // uint8
 #define EEPROM_BACKLIGHT_TIMEOUT (EEPROM_BACKLIGHT_MODE-2) // uint16

Firmware/fsensor.cpp

@@ -57,15 +57,8 @@ bool fsensor_enabled = true;
 bool fsensor_watch_runout = true;
 //! not responding - is set if any communication error occurred during initialization or readout
 bool fsensor_not_responding = false;
-//! printing saved
-bool fsensor_printing_saved = false;
 //! enable/disable quality meassurement
 bool fsensor_oq_meassure_enabled = false;
-//! as explained in the CHECK_FSENSOR macro: this flag is set to true when fsensor posts
-//! the M600 into the command queue, which elliminates the hazard of having posted multiple M600's
-//! before the first one gets read and started processing.
-//! Btw., the IR fsensor could do up to 6 posts before the command queue managed to start processing the first M600 ;)
-static bool fsensor_m600_enqueued = false;
 
 //! number of errors, updated in ISR
 uint8_t fsensor_err_cnt = 0;
@@ -137,12 +130,19 @@ void fsensor_stop_and_save_print(void)
 void fsensor_restore_print_and_continue(void)
 {
     printf_P(PSTR("fsensor_restore_print_and_continue\n"));
-	fsensor_watch_runout = true;
 	fsensor_err_cnt = 0;
-	fsensor_m600_enqueued = false;
     restore_print_from_ram_and_continue(0); //XYZ = orig, E - no change
 }
 
+// fsensor_checkpoint_print cuts the current print job at the current position,
+// allowing new instructions to be inserted in the middle
+void fsensor_checkpoint_print(void)
+{
+    printf_P(PSTR("fsensor_checkpoint_print\n"));
+    stop_and_save_print_to_ram(0, 0);
+    restore_print_from_ram_and_continue(0);
+}
+
 void fsensor_init(void)
 {
 #ifdef PAT9125
@@ -565,8 +565,6 @@ void fsensor_enque_M600(){
 	printf_P(PSTR("fsensor_update - M600\n"));
 	eeprom_update_byte((uint8_t*)EEPROM_FERROR_COUNT, eeprom_read_byte((uint8_t*)EEPROM_FERROR_COUNT) + 1);
 	eeprom_update_word((uint16_t*)EEPROM_FERROR_COUNT_TOT, eeprom_read_word((uint16_t*)EEPROM_FERROR_COUNT_TOT) + 1);
-	enquecommand_front_P(PSTR("PRUSA fsensor_recover"));
-	fsensor_m600_enqueued = true;
 	enquecommand_front_P((PSTR("M600")));
 }
 
@@ -578,7 +576,7 @@ void fsensor_enque_M600(){
 void fsensor_update(void)
 {
 #ifdef PAT9125
-		if (fsensor_enabled && fsensor_watch_runout && (fsensor_err_cnt > FSENSOR_ERR_MAX) && ( ! fsensor_m600_enqueued) )
+		if (fsensor_enabled && fsensor_watch_runout && (fsensor_err_cnt > FSENSOR_ERR_MAX))
 		{
 			bool autoload_enabled_tmp = fsensor_autoload_enabled;
 			fsensor_autoload_enabled = false;
@@ -611,22 +609,18 @@ void fsensor_update(void)
 			err |= (fsensor_oq_er_sum > 2);
 			err |= (fsensor_oq_yd_sum < (4 * FSENSOR_OQ_MIN_YD));
 
+            fsensor_restore_print_and_continue();
+			fsensor_autoload_enabled = autoload_enabled_tmp;
+			fsensor_oq_meassure_enabled = oq_meassure_enabled_tmp;
+
 			if (!err)
-			{
 				printf_P(PSTR("fsensor_err_cnt = 0\n"));
-				fsensor_restore_print_and_continue();
-			}
 			else
-			{
 				fsensor_enque_M600();
-				fsensor_watch_runout = false;
-			}
-			fsensor_autoload_enabled = autoload_enabled_tmp;
-			fsensor_oq_meassure_enabled = oq_meassure_enabled_tmp;
 		}
 #else //PAT9125
-		if (CHECK_FSENSOR && fsensor_enabled && ir_sensor_detected && ( ! fsensor_m600_enqueued) )
-          {
+		if (CHECK_FSENSOR && fsensor_enabled && ir_sensor_detected)
+        {
                if(digitalRead(IR_SENSOR_PIN))
                {                                  // IR_SENSOR_PIN ~ H
 #if IR_SENSOR_ANALOG
@@ -670,8 +664,8 @@ void fsensor_update(void)
                               else
                               {
 #endif //IR_SENSOR_ANALOG
-                                   fsensor_stop_and_save_print();
-                                   fsensor_enque_M600();
+                                  fsensor_checkpoint_print();
+                                  fsensor_enque_M600();
 #if IR_SENSOR_ANALOG
                               }
                          }

Firmware/fsensor.h

@@ -21,6 +21,8 @@ extern bool fsensor_oq_meassure_enabled;
 extern void fsensor_stop_and_save_print(void);
 //! restore print - restore position and heatup to original temperature
 extern void fsensor_restore_print_and_continue(void);
+//! split the current gcode stream to insert new instructions
+extern void fsensor_checkpoint_print(void);
 //! @}
 
 //! initialize

Firmware/messages.c

@@ -167,3 +167,4 @@ const char MSG_OCTOPRINT_RESUMED[] PROGMEM_N1 = "// action:resumed"; ////
 const char MSG_OCTOPRINT_CANCEL[] PROGMEM_N1 = "// action:cancel"; ////
 const char MSG_FANCHECK_EXTRUDER[] PROGMEM_N1 = "Err: EXTR. FAN ERROR"; ////c=20
 const char MSG_FANCHECK_PRINT[] PROGMEM_N1 = "Err: PRINT FAN ERROR"; ////c=20
+const char MSG_M112_KILL[] PROGMEM_N1 = "M112 called. Emergency Stop."; ////c=20

Firmware/messages.h

@@ -168,6 +168,7 @@ extern const char MSG_OCTOPRINT_RESUMED[];
 extern const char MSG_OCTOPRINT_CANCEL[];
 extern const char MSG_FANCHECK_EXTRUDER[];
 extern const char MSG_FANCHECK_PRINT[];
+extern const char MSG_M112_KILL[];
 
 #if defined(__cplusplus)
 }

Firmware/mmu.cpp

@@ -382,8 +382,7 @@ void mmu_loop(void)
 			FDEBUG_PRINTF_P(PSTR("MMU => '%dok'\n"), mmu_finda);
 			//printf_P(PSTR("Eact: %d\n"), int(e_active()));
 			if (!mmu_finda && CHECK_FSENSOR && fsensor_enabled) {
-				fsensor_stop_and_save_print();
-				enquecommand_front_P(PSTR("PRUSA fsensor_recover")); //then recover
+				fsensor_checkpoint_print();
 				ad_markDepleted(mmu_extruder);
 				if (lcd_autoDepleteEnabled() && !ad_allDepleted())
 				{

Firmware/optiboot_w25x20cl.cpp

@@ -258,11 +258,11 @@ void optiboot_w25x20cl_enter()
         uint32_t addr = (((uint32_t)rampz) << 16) | address;
         // During a single bootloader run, only erase a 64kB block once.
         // An 8bit bitmask 'pages_erased' covers 512kB of FLASH memory.
-        if (address == 0 && (pages_erased & (1 << addr)) == 0) {
+        if ((address == 0) && (pages_erased & (1 << (addr >> 16))) == 0) {
           w25x20cl_wait_busy();
           w25x20cl_enable_wr();
           w25x20cl_block64_erase(addr);
-          pages_erased |= (1 << addr);
+          pages_erased |= (1 << (addr >> 16));
         }
         w25x20cl_wait_busy();
         w25x20cl_enable_wr();

Firmware/planner.cpp

@@ -659,15 +659,15 @@ float junction_deviation = 0.1;
 // Add a new linear movement to the buffer. steps_x, _y and _z is the absolute position in 
 // mm. Microseconds specify how many microseconds the move should take to perform. To aid acceleration
 // calculation the caller must also provide the physical length of the line in millimeters.
-void plan_buffer_line(float x, float y, float z, const float &e, float feed_rate, uint8_t extruder)
+void plan_buffer_line(float x, float y, float z, const float &e, float feed_rate, uint8_t extruder, const float* gcode_target)
 {
     // Calculate the buffer head after we push this byte
   int next_buffer_head = next_block_index(block_buffer_head);
 
   // If the buffer is full: good! That means we are well ahead of the robot. 
   // Rest here until there is room in the buffer.
+  waiting_inside_plan_buffer_line_print_aborted = false;
   if (block_buffer_tail == next_buffer_head) {
-      waiting_inside_plan_buffer_line_print_aborted = false;
       do {
           manage_heater(); 
           // Vojtech: Don't disable motors inside the planner!
@@ -687,6 +687,29 @@ void plan_buffer_line(float x, float y, float z, const float &e, float feed_rate
   planner_update_queue_min_counter();
 #endif /* PLANNER_DIAGNOSTICS */
 
+  // Prepare to set up new block
+  block_t *block = &block_buffer[block_buffer_head];
+
+  // Mark block as not busy (Not executed by the stepper interrupt, could be still tinkered with.)
+  block->busy = false;
+
+  // Set sdlen for calculating sd position
+  block->sdlen = 0;
+
+  // Save original destination of the move
+  if (gcode_target)
+      memcpy(block->gcode_target, gcode_target, sizeof(block_t::gcode_target));
+  else
+  {
+      block->gcode_target[X_AXIS] = x;
+      block->gcode_target[Y_AXIS] = y;
+      block->gcode_target[Z_AXIS] = z;
+      block->gcode_target[E_AXIS] = e;
+  }
+
+  // Save the global feedrate at scheduling time
+  block->gcode_feedrate = feedrate;
+
 #ifdef ENABLE_AUTO_BED_LEVELING
   apply_rotation_xyz(plan_bed_level_matrix, x, y, z);
 #endif // ENABLE_AUTO_BED_LEVELING
@@ -786,15 +809,6 @@ void plan_buffer_line(float x, float y, float z, const float &e, float feed_rate
   }
   #endif
 
-  // Prepare to set up new block
-  block_t *block = &block_buffer[block_buffer_head];
-
-  // Set sdlen for calculating sd position
-  block->sdlen = 0;
-
-  // Mark block as not busy (Not executed by the stepper interrupt, could be still tinkered with.)
-  block->busy = false;
-
   // Number of steps for each axis
 #ifndef COREXY
 // default non-h-bot planning

Firmware/planner.h

@@ -116,7 +116,10 @@ typedef struct {
   unsigned long abs_adv_steps_multiplier8; // Factorised by 2^8 to avoid float
 #endif
 
-  uint16_t sdlen;
+  // Save/recovery state data
+  float gcode_target[NUM_AXIS];     // Target (abs mm) of the original Gcode instruction
+  uint16_t gcode_feedrate;          // Default and/or move feedrate
+  uint16_t sdlen;                   // Length of the Gcode instruction
 } block_t;
 
 #ifdef LIN_ADVANCE
@@ -147,7 +150,7 @@ vector_3 plan_get_position();
 /// The performance penalty is negligible, since these planned lines are usually maintenance moves with the extruder.
 void plan_buffer_line_curposXYZE(float feed_rate, uint8_t extruder);
 
-void plan_buffer_line(float x, float y, float z, const float &e, float feed_rate, uint8_t extruder);
+void plan_buffer_line(float x, float y, float z, const float &e, float feed_rate, uint8_t extruder, const float* gcode_target = NULL);
 //void plan_buffer_line(const float &x, const float &y, const float &z, const float &e, float feed_rate, const uint8_t &extruder);
 #endif // ENABLE_AUTO_BED_LEVELING
 
@@ -238,6 +241,7 @@ FORCE_INLINE bool planner_queue_full() {
 // wait for the steppers to stop,
 // update planner's current position and the current_position of the front end.
 extern void planner_abort_hard();
+extern bool waiting_inside_plan_buffer_line_print_aborted;
 
 #ifdef PREVENT_DANGEROUS_EXTRUDE
 void set_extrude_min_temp(float temp);

Firmware/temperature.cpp

@@ -879,7 +879,7 @@ static float analog2temp(int raw, uint8_t e) {
       SERIAL_ERROR_START;
       SERIAL_ERROR((int)e);
       SERIAL_ERRORLNPGM(" - Invalid extruder number !");
-      kill(PSTR(""), 6);
+      kill(NULL, 6);
       return 0.0;
   } 
   #ifdef HEATER_0_USES_MAX6675

Firmware/tmc2130.cpp

@@ -24,7 +24,7 @@ uint8_t tmc2130_current_h[4] = TMC2130_CURRENTS_H;
 uint8_t tmc2130_current_r[4] = TMC2130_CURRENTS_R;
 
 //running currents for homing
-uint8_t tmc2130_current_r_home[4] = {8, 10, 20, 18};
+uint8_t tmc2130_current_r_home[4] = TMC2130_CURRENTS_R_HOME;
 
 
 //pwm_ampl
@@ -40,7 +40,7 @@ uint8_t tmc2130_mres[4] = {0, 0, 0, 0}; //will be filed at begin of init
 
 
 uint8_t tmc2130_sg_thr[4] = {TMC2130_SG_THRS_X, TMC2130_SG_THRS_Y, TMC2130_SG_THRS_Z, TMC2130_SG_THRS_E};
-uint8_t tmc2130_sg_thr_home[4] = {3, 3, TMC2130_SG_THRS_Z, TMC2130_SG_THRS_E};
+uint8_t tmc2130_sg_thr_home[4] = TMC2130_SG_THRS_HOME;
 
 
 uint8_t tmc2130_sg_homing_axes_mask = 0x00;

Firmware/ultralcd.cpp

@@ -1103,6 +1103,7 @@ void lcd_commands()
 			lcd_setstatuspgm(_i("Print paused"));////MSG_PRINT_PAUSED c=20 r=1
             lcd_commands_type = LcdCommands::Idle;
             lcd_commands_step = 0;
+            long_pause();
 		}
 	}
 
@@ -1659,9 +1660,8 @@ void lcd_return_to_status()
 //! @brief Pause print, disable nozzle heater, move to park position
 void lcd_pause_print()
 {
-    lcd_return_to_status();
     stop_and_save_print_to_ram(0.0,0.0);
-    long_pause();
+    lcd_return_to_status();
     isPrintPaused = true;
     if (LcdCommands::Idle == lcd_commands_type)
     {
@@ -2285,6 +2285,9 @@ static void lcd_support_menu()
 void lcd_set_fan_check() {
 	fans_check_enabled = !fans_check_enabled;
 	eeprom_update_byte((unsigned char *)EEPROM_FAN_CHECK_ENABLED, fans_check_enabled);
+#ifdef FANCHECK
+	if (fans_check_enabled == false) fan_check_error = EFCE_OK; //reset error if fanCheck is disabled during error. Allows resuming print.
+#endif //FANCHECK
 }
 
 #ifdef MMU_HAS_CUTTER
@@ -4111,7 +4114,7 @@ void prusa_statistics(int _message, uint8_t _fil_nr) {
 		{   
 			prusa_statistics_case0(15);
 		}
-		else if (isPrintPaused || card.paused) 
+		else if (isPrintPaused)
 		{
 			prusa_statistics_case0(14);
 		}
@@ -6716,6 +6719,7 @@ static void lcd_test_menu()
 static bool fan_error_selftest()
 {
 #ifdef FANCHECK
+    if (!fans_check_enabled) return 0;
 
     fanSpeed = 255;
 #ifdef FAN_SOFT_PWM
@@ -6746,9 +6750,8 @@ static bool fan_error_selftest()
         return 1;
     }
 #endif
+#endif //FANCHECK
     return 0;
-
-#endif //FANCHECK   
 }
 
 //! @brief Resume paused print

Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h

@@ -260,11 +260,13 @@
 #define TMC2130_SG_THRS_Y       3     // stallguard sensitivity for Y axis
 #define TMC2130_SG_THRS_Z       4     // stallguard sensitivity for Z axis
 #define TMC2130_SG_THRS_E       3     // stallguard sensitivity for E axis
+#define TMC2130_SG_THRS_HOME {3, 3, TMC2130_SG_THRS_Z, TMC2130_SG_THRS_E}
 
 //new settings is possible for vsense = 1, running current value > 31 set vsense to zero and shift both currents by 1 bit right (Z axis only)
 #define TMC2130_CURRENTS_H {16, 20, 35, 30}  // default holding currents for all axes
 #define TMC2130_CURRENTS_R {16, 20, 35, 30}  // default running currents for all axes
-#define TMC2130_UNLOAD_CURRENT_R 12			 // lowe current for M600 to protect filament sensor 
+#define TMC2130_CURRENTS_R_HOME {8, 10, 20, 18}  // homing running currents for all axes
+// #define TMC2130_UNLOAD_CURRENT_R 12			 // lower current for M600 to protect filament sensor - Unused
 
 #define TMC2130_STEALTH_Z
 

Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.h

@@ -262,11 +262,13 @@
 #define TMC2130_SG_THRS_Y       3     // stallguard sensitivity for Y axis
 #define TMC2130_SG_THRS_Z       4     // stallguard sensitivity for Z axis
 #define TMC2130_SG_THRS_E       3     // stallguard sensitivity for E axis
+#define TMC2130_SG_THRS_HOME {3, 3, TMC2130_SG_THRS_Z, TMC2130_SG_THRS_E}
 
 //new settings is possible for vsense = 1, running current value > 31 set vsense to zero and shift both currents by 1 bit right (Z axis only)
 #define TMC2130_CURRENTS_H {16, 20, 35, 30}  // default holding currents for all axes
 #define TMC2130_CURRENTS_R {16, 20, 35, 30}  // default running currents for all axes
-#define TMC2130_UNLOAD_CURRENT_R 12			 // lowe current for M600 to protect filament sensor 
+#define TMC2130_CURRENTS_R_HOME {8, 10, 20, 18}  // homing running currents for all axes
+// #define TMC2130_UNLOAD_CURRENT_R 12			 // lower current for M600 to protect filament sensor - Unused
 
 #define TMC2130_STEALTH_Z
 

PF-build.sh

@@ -56,7 +56,7 @@
 #   Some may argue that this is only used by a script, BUT as soon someone accidentally or on purpose starts Arduino IDE
 #   it will use the default Arduino IDE folders and so can corrupt the build environment.
 #
-# Version: 1.0.6-Build_9
+# Version: 1.0.6-Build_10
 # Change log:
 # 12 Jan 2019, 3d-gussner, Fixed "compiler.c.elf.flags=-w -Os -Wl,-u,vfprintf -lprintf_flt -lm -Wl,--gc-sections" in 'platform.txt'
 # 16 Jan 2019, 3d-gussner, Build_2, Added development check to modify 'Configuration.h' to prevent unwanted LCD messages that Firmware is unknown
@@ -112,7 +112,9 @@
 #                          Changed Hex-files folder to PF-build-hex as requested in PR
 # 23 Jul 2019, 3d-gussner, Added Finding OS version routine so supporting new OS should get easier
 # 26 Jul 2019, 3d-gussner, Change JSON repository to prusa3d after PR https://github.com/prusa3d/Arduino_Boards/pull/1 was merged
-
+# 23 Sep 2019, 3d-gussner, Prepare PF-build.sh for comming Prusa3d/Arduino_Boards version 1.0.2 Pull Request
+# 17 Oct 2019, 3d-gussner, Changed folder and check file names to have seperated build enviroments depening on Arduino IDE version and
+#                          board-versions. 
 #### Start check if OSTYPE is supported
 OS_FOUND=$( command -v uname)
 
@@ -211,7 +213,8 @@ fi
 #### Set build environment 
 ARDUINO_ENV="1.8.5"
 BUILD_ENV="1.0.6"
-BOARD="PrusaResearchRambo"
+BOARD="rambo"
+BOARD_PACKAGE_NAME="PrusaResearchRambo"
 BOARD_VERSION="1.0.1"
 BOARD_URL="https://raw.githubusercontent.com/prusa3d/Arduino_Boards/master/IDE_Board_Manager/package_prusa3d_index.json"
 BOARD_FILENAME="prusa3drambo"
@@ -229,6 +232,7 @@ echo ""
 echo "Ardunio IDE :" $ARDUINO_ENV
 echo "Build env   :" $BUILD_ENV
 echo "Board       :" $BOARD
+echo "Package name:" $BOARD_PACKAGE_NAME
 echo "Specific Lib:" $LIB
 echo ""
 
@@ -259,12 +263,12 @@ if [ $TARGET_OS == "windows" ]; then
 		wget https://downloads.arduino.cc/arduino-$ARDUINO_ENV-windows.zip || exit 7
 		echo "$(tput sgr 0)"
 	fi
-	if [ ! -d "../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor" ]; then
+	if [[ ! -d "../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor" && ! -e "../PF-build-env-$BUILD_ENV/arduino-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor.txt" ]]; then
 		echo "$(tput setaf 6)Unzipping Windows 32/64-bit Arduino IDE portable...$(tput setaf 2)"
 		sleep 2
 		unzip arduino-$ARDUINO_ENV-windows.zip -d ../PF-build-env-$BUILD_ENV || exit 7
-		mv ../PF-build-env-$BUILD_ENV/arduino-$ARDUINO_ENV ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor
-		echo "# arduino-$ARDUINO_ENV-$TARGET_OS-$Processor" >> ../PF-build-env-$BUILD_ENV/arduino-$ARDUINO_ENV-$TARGET_OS-$Processor
+		mv ../PF-build-env-$BUILD_ENV/arduino-$ARDUINO_ENV ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor
+		echo "# arduino-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor" >> ../PF-build-env-$BUILD_ENV/arduino-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor.txt
 		echo "$(tput sgr0)"
 	fi
 fi
@@ -277,55 +281,55 @@ if [ $TARGET_OS == "linux" ]; then
 		wget --no-check-certificate https://downloads.arduino.cc/arduino-$ARDUINO_ENV-linux$Processor.tar.xz || exit 8
 		echo "$(tput sgr 0)"
 	fi
-	if [[ ! -d "../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor" && ! -e "../PF-build-env-$BUILD_ENV/arduino-$ARDUINO_ENV-$TARGET_OS-$Processor.txt" ]]; then
+	if [[ ! -d "../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor" && ! -e "../PF-build-env-$BUILD_ENV/arduino-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor.txt" ]]; then
 		echo "$(tput setaf 6)Unzipping Linux $Processor Arduino IDE portable...$(tput setaf 2)"
 		sleep 2
 		tar -xvf arduino-$ARDUINO_ENV-linux$Processor.tar.xz -C ../PF-build-env-$BUILD_ENV/ || exit 8
-		mv ../PF-build-env-$BUILD_ENV/arduino-$ARDUINO_ENV ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor
-		echo "# arduino-$ARDUINO_ENV-$TARGET_OS-$Processor" >> ../PF-build-env-$BUILD_ENV/arduino-$ARDUINO_ENV-$TARGET_OS-$Processor.txt
+		mv ../PF-build-env-$BUILD_ENV/arduino-$ARDUINO_ENV ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor
+		echo "# arduino-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor" >> ../PF-build-env-$BUILD_ENV/arduino-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor.txt
 		echo "$(tput sgr0)"
 	fi
 fi
 # Make Arduino IDE portable
-if [ ! -d ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/ ]; then
-	mkdir ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/
+if [ ! -d ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/ ]; then
+	mkdir ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/
 fi
 
-if [ ! -d ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/ ]; then
-	mkdir ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable
+if [ ! -d ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/ ]; then
+	mkdir ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable
 fi
-if [ ! -d ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/output/ ]; then
-	mkdir ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/output
+if [ ! -d ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/output/ ]; then
+	mkdir ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/output
 fi
-if [ ! -d ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/ ]; then
-	mkdir ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages
+if [ ! -d ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/ ]; then
+	mkdir ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages
 fi
-if [ ! -d ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/sketchbook/ ]; then
-	mkdir ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/sketchbook
+if [ ! -d ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/sketchbook/ ]; then
+	mkdir ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/sketchbook
 fi
-if [ ! -d ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/sketchbook/libraries/ ]; then
-	mkdir ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/sketchbook/libraries
+if [ ! -d ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/sketchbook/libraries/ ]; then
+	mkdir ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/sketchbook/libraries
 fi
-if [ ! -d ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/staging/ ]; then
-	mkdir ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/staging
+if [ ! -d ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/staging/ ]; then
+	mkdir ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/staging
 fi
 
 # Change Arduino IDE preferences
-if [ ! -e ../PF-build-env-$BUILD_ENV/Preferences-$TARGET_OS-$Processor.txt ]; then
-	echo "$(tput setaf 6)Setting $TARGET_OS-$Processor Arduino IDE preferences for portable GUI usage...$(tput setaf 2)"
+if [ ! -e ../PF-build-env-$BUILD_ENV/Preferences-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor.txt ]; then
+	echo "$(tput setaf 6)Setting $ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor Arduino IDE preferences for portable GUI usage...$(tput setaf 2)"
 	sleep 2
 	echo "update.check"
-	sed -i 's/update.check = true/update.check = false/g' ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/lib/preferences.txt
+	sed -i 's/update.check = true/update.check = false/g' ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/lib/preferences.txt
 	echo "board"
-	sed -i 's/board = uno/board = rambo/g' ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/lib/preferences.txt
+	sed -i 's/board = uno/board = $BOARD/g' ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/lib/preferences.txt
 	echo "editor.linenumbers"
-	sed -i 's/editor.linenumbers = false/editor.linenumbers = true/g' ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/lib/preferences.txt
+	sed -i 's/editor.linenumbers = false/editor.linenumbers = true/g' ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/lib/preferences.txt
 	echo "boardsmanager.additional.urls"
-	echo "boardsmanager.additional.urls=$BOARD_URL" >>../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/lib/preferences.txt
-	echo "build.verbose=true" >>../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/lib/preferences.txt
-	echo "compiler.cache_core=false" >>../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/lib/preferences.txt
-	echo "compiler.warning_level=all" >>../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/lib/preferences.txt
-	echo "# Preferences-$TARGET_OS-$Processor" >> ../PF-build-env-$BUILD_ENV/Preferences-$TARGET_OS-$Processor.txt
+	echo "boardsmanager.additional.urls=$BOARD_URL" >>../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/lib/preferences.txt
+	echo "build.verbose=true" >>../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/lib/preferences.txt
+	echo "compiler.cache_core=false" >>../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/lib/preferences.txt
+	echo "compiler.warning_level=all" >>../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/lib/preferences.txt
+	echo "# Preferences-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor" >> ../PF-build-env-$BUILD_ENV/Preferences-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor.txt
 	echo "$(tput sgr0)"
 fi
 
@@ -336,25 +340,26 @@ if [ ! -f "$BOARD_FILENAME-$BOARD_VERSION.tar.bz2" ]; then
 	sleep 2
 	wget $BOARD_FILE_URL || exit 9
 fi
-if [[ ! -d "../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/$BOARD/hardware/avr/$BOARD_VERSION" || ! -e "../PF-build-env-$BUILD_ENV/$BOARD_FILENAME-$BOARD_VERSION-$TARGET_OS-$Processor.txt" ]]; then
-	echo "$(tput setaf 6)Unzipping $BOARD Arduino IDE portable...$(tput setaf 2)"
+if [[ ! -d "../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/$BOARD_PACKAGE_NAME/hardware/avr/$BOARD_VERSION" || ! -e "../PF-build-env-$BUILD_ENV/$BOARD_FILENAME-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor.txt" ]]; then
+	echo "$(tput setaf 6)Unzipping $BOARD_PACKAGE_NAME Arduino IDE portable...$(tput setaf 2)"
 	sleep 2
 	tar -xvf $BOARD_FILENAME-$BOARD_VERSION.tar.bz2 -C ../PF-build-env-$BUILD_ENV/ || exit 10
-	if [ ! -d ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/$BOARD ]; then
-		mkdir ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/$BOARD
+	if [ ! -d ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/$BOARD_PACKAGE_NAME ]; then
+		mkdir ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/$BOARD_PACKAGE_NAME
 	fi
-	if [ ! -d ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/$BOARD ]; then
-		mkdir ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/$BOARD
+	if [ ! -d ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/$BOARD_PACKAGE_NAME ]; then
+		mkdir ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/$BOARD_PACKAGE_NAME
 	fi
-	if [ ! -d ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/$BOARD/hardware ]; then
-		mkdir ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/$BOARD/hardware
+	if [ ! -d ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/$BOARD_PACKAGE_NAME/hardware ]; then
+		mkdir ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/$BOARD_PACKAGE_NAME/hardware
 	fi
-	if [ ! -d ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/$BOARD/hardware/avr ]; then
-		mkdir ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/$BOARD/hardware/avr
+	if [ ! -d ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/$BOARD_PACKAGE_NAME/hardware/avr ]; then
+		mkdir ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/$BOARD_PACKAGE_NAME/hardware/avr
 	fi
 	
-	mv ../PF-build-env-$BUILD_ENV/$BOARD_FILENAME-$BOARD_VERSION ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/$BOARD/hardware/avr/$BOARD_VERSION
-	echo "# $BOARD_FILENAME-$BOARD_VERSION" >> ../PF-build-env-$BUILD_ENV/$BOARD_FILENAME-$BOARD_VERSION-$TARGET_OS-$Processor.txt
+	mv ../PF-build-env-$BUILD_ENV/$BOARD_FILENAME-$BOARD_VERSION ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/$BOARD_PACKAGE_NAME/hardware/avr/$BOARD_VERSION
+	echo "# $BOARD_FILENAME-$BOARD_VERSION" >> ../PF-build-env-$BUILD_ENV/$BOARD_FILENAME-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor.txt
+
 	echo "$(tput sgr 0)"
 fi	
 
@@ -365,30 +370,30 @@ if [ ! -f "PF-build-env-$BUILD_ENV.zip" ]; then
 	wget $PF_BUILD_FILE_URL || exit 11
 	echo "$(tput sgr 0)"
 fi
-if [ ! -e "../PF-build-env-$BUILD_ENV/PF-build-env-$BUILD_ENV-$TARGET_OS-$Processor.txt" ]; then
+if [ ! -e "../PF-build-env-$BUILD_ENV/PF-build-env-$BUILD_ENV-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor.txt" ]; then
 	echo "$(tput setaf 6)Unzipping Prusa Firmware build environment...$(tput setaf 2)"
 	sleep 2
-	unzip -o PF-build-env-$BUILD_ENV.zip -d ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor || exit 12
-	echo "# PF-build-env-$TARGET_OS-$Processor-$BUILD_ENV" >> ../PF-build-env-$BUILD_ENV/PF-build-env-$BUILD_ENV-$TARGET_OS-$Processor.txt
+	unzip -o PF-build-env-$BUILD_ENV.zip -d ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor || exit 12
+	echo "# PF-build-env-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor-$BUILD_ENV" >> ../PF-build-env-$BUILD_ENV/PF-build-env-$BUILD_ENV-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor.txt
 	echo "$(tput sgr0)"
 fi
 
 # Check if User updated Arduino IDE 1.8.5 boardsmanager and tools
-if [ -d "../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/arduino/tools" ]; then
+if [ -d "../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/arduino/tools" ]; then
 	echo "$(tput setaf 6)Arduino IDE boards / tools have been manually updated...$"
 	echo "Please don't update the 'Arduino AVR boards' as this will prevent running this script (tput setaf 2)"
 	sleep 2
 fi	
-if [ -d "../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/arduino/tools/avr-gcc/4.9.2-atmel3.5.4-arduino2" ]; then
+if [ -d "../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/arduino/tools/avr-gcc/4.9.2-atmel3.5.4-arduino2" ]; then
 	echo "$(tput setaf 6)PrusaReasearch compatible tools have been manually updated...$(tput setaf 2)"
 	sleep 2
 	echo "$(tput setaf 6)Copying Prusa Firmware build environment to manually updated boards / tools...$(tput setaf 2)"
 	sleep 2
-	cp -f ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/hardware/tools/avr/avr/lib/ldscripts/avr6.xn ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/arduino/tools/avr-gcc/4.9.2-atmel3.5.4-arduino2/avr/lib/ldscripts/avr6.xn
-	echo "# PF-build-env-portable-$TARGET_OS-$Processor-$BUILD_ENV" >> ../PF-build-env-$BUILD_ENV/PF-build-env-portable-$BUILD_ENV-$TARGET_OS-$Processor.txt
+	cp -f ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/hardware/tools/avr/avr/lib/ldscripts/avr6.xn ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/arduino/tools/avr-gcc/4.9.2-atmel3.5.4-arduino2/avr/lib/ldscripts/avr6.xn
+	echo "# PF-build-env-portable-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor-$BUILD_ENV" >> ../PF-build-env-$BUILD_ENV/PF-build-env-portable-$BUILD_ENV-$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor.txt
 	echo "$(tput sgr0)"
 fi	
-if [ -d "../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor/portable/packages/arduino/tools/avr-gcc/5.4.0-atmel3.6.1-arduino2" ]; then
+if [ -d "../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor/portable/packages/arduino/tools/avr-gcc/5.4.0-atmel3.6.1-arduino2" ]; then
 	echo "$(tput setaf 1)Arduino IDE tools have been updated manually to a non supported version!!!"
 	echo "Delete ../PF-build-env-$BUILD_ENV and start the script again"
 	echo "Script will not continue until this have been fixed $(tput setaf 2)"
@@ -489,7 +494,7 @@ if [ ! -z "$3" ] ; then
 fi
 
 #Set BUILD_ENV_PATH
-cd ../PF-build-env-$BUILD_ENV/$TARGET_OS-$Processor || exit 24
+cd ../PF-build-env-$BUILD_ENV/$ARDUINO_ENV-$BOARD_VERSION-$TARGET_OS-$Processor || exit 24
 BUILD_ENV_PATH="$( pwd -P )"
 
 cd ../..
@@ -634,8 +639,8 @@ do
 	echo "Start to build Prusa Firmware ..."
 	echo "Using variant $VARIANT$(tput setaf 3)"
 	sleep 2
-	#$BUILD_ENV_PATH/arduino-builder -dump-prefs -debug-level 10 -compile -hardware $ARDUINO/hardware -hardware $ARDUINO/portable/packages -tools $ARDUINO/tools-builder -tools $ARDUINO/hardware/tools/avr -tools $ARDUINO/portable/packages -built-in-libraries $ARDUINO/libraries -libraries $ARDUINO/portable/sketchbook/libraries -fqbn=$BOARD:avr:rambo -ide-version=10805 -build-path=$BUILD_PATH -warnings=all $SCRIPT_PATH/Firmware/Firmware.ino || exit 14
-	$BUILD_ENV_PATH/arduino-builder -compile -hardware $ARDUINO/hardware -hardware $ARDUINO/portable/packages -tools $ARDUINO/tools-builder -tools $ARDUINO/hardware/tools/avr -tools $ARDUINO/portable/packages -built-in-libraries $ARDUINO/libraries -libraries $ARDUINO/portable/sketchbook/libraries -fqbn=$BOARD:avr:rambo -ide-version=10805 -build-path=$BUILD_PATH -warnings=all $SCRIPT_PATH/Firmware/Firmware.ino || exit 14
+	#$BUILD_ENV_PATH/arduino-builder -dump-prefs -debug-level 10 -compile -hardware $ARDUINO/hardware -hardware $ARDUINO/portable/packages -tools $ARDUINO/tools-builder -tools $ARDUINO/hardware/tools/avr -tools $ARDUINO/portable/packages -built-in-libraries $ARDUINO/libraries -libraries $ARDUINO/portable/sketchbook/libraries -fqbn=$BOARD_PACKAGE_NAME:avr:$BOARD -build-path=$BUILD_PATH -warnings=all $SCRIPT_PATH/Firmware/Firmware.ino || exit 14
+	$BUILD_ENV_PATH/arduino-builder -compile -hardware $ARDUINO/hardware -hardware $ARDUINO/portable/packages -tools $ARDUINO/tools-builder -tools $ARDUINO/hardware/tools/avr -tools $ARDUINO/portable/packages -built-in-libraries $ARDUINO/libraries -libraries $ARDUINO/portable/sketchbook/libraries -fqbn=$BOARD_PACKAGE_NAME:avr:$BOARD -build-path=$BUILD_PATH -warnings=all $SCRIPT_PATH/Firmware/Firmware.ino || exit 14
 	echo "$(tput sgr 0)"
 
 	if [ $LANGUAGES ==  "ALL" ]; then

Tests/PrusaStatistics_test.cpp

@@ -198,7 +198,7 @@ void prusa_statistics(int _message, uint8_t _fil_nr) {
 			SERIAL_ECHOLN("}");
 			status_number = 15;
 		}
-		else if (isPrintPaused || card.paused) 
+		else if (isPrintPaused)
 		{
 			SERIAL_ECHO("{");
 			prusa_stat_printerstatus(14);
@@ -490,7 +490,7 @@ void prusa_statistics(int _message, uint8_t _fil_nr) {
 		{   
 			prusa_statistics_case0(15);
 		}
-		else if (isPrintPaused || card.paused) 
+		else if (isPrintPaused)
 		{
 			prusa_statistics_case0(14);
 		}
@@ -753,7 +753,6 @@ TEST_CASE("Prusa_statistics test", "[prusa_stats]")
 				SERIALS_RESET();
 
 				isPrintPaused = 0;
-				card.paused = 0;
 				IS_SD_PRINTING = 1;
 				old_code::prusa_statistics(test_codes[i],0);
 				new_code::prusa_statistics(test_codes[i],0);

lang/lang_en_cz.txt

@@ -1188,7 +1188,7 @@
 
 #
 "The printer will start printing a zig-zag line. Rotate the knob until you reach the optimal height. Check the pictures in the handbook (Calibration chapter)."
-"\x00"
+"Tiskarna zacne tisknout lomenou caru. Otacenim tlacitka nastavte optimalni vysku. Postupujte podle obrazku v handbooku (kapitola Kalibrace)."
 
 #
 "Y-correct:"

lang/lang_en_de.txt

@@ -1188,7 +1188,7 @@
 
 #
 "The printer will start printing a zig-zag line. Rotate the knob until you reach the optimal height. Check the pictures in the handbook (Calibration chapter)."
-"\x00"
+"Der Drucker beginnt mit dem Drucken einer Zickzacklinie. Drehen Sie den Knopf, bis Sie die optimale Hoehe erreicht haben. Ueberpruefen Sie die Bilder im Handbuch (Kapitel Kalibrierung)."
 
 #
 "Y-correct:"

lang/lang_en_es.txt

@@ -1188,7 +1188,7 @@
 
 #
 "The printer will start printing a zig-zag line. Rotate the knob until you reach the optimal height. Check the pictures in the handbook (Calibration chapter)."
-"\x00"
+"La impresora comenzara a imprimir una linea en zig-zag. Gira el dial hasta que la linea alcance la altura optima. Mira las fotos del manual (Capitulo de calibracion)."
 
 #
 "Y-correct:"

lang/lang_en_fr.txt

@@ -1185,7 +1185,7 @@
 
 #
 "The printer will start printing a zig-zag line. Rotate the knob until you reach the optimal height. Check the pictures in the handbook (Calibration chapter)."
-"\x00"
+"L'imprimante commencera a  imprimer une ligne en zig-zag. Tournez le bouton jusqu'a atteindre la hauteur optimale. Consultez les photos dans le manuel (chapitre Calibration)."
 
 #
 "Y-correct:"

lang/lang_en_it.txt

@@ -1187,7 +1187,7 @@
 
 #
 "The printer will start printing a zig-zag line. Rotate the knob until you reach the optimal height. Check the pictures in the handbook (Calibration chapter)."
-"\x00"
+"La stampante iniziera a stampare una linea a zig-zag. Gira la manopola fino a che non hai raggiungo l'altezza ottimale. Verifica con le immagini nel manuale (capitolo sulla calibrazione):"
 
 #
 "Y-correct:"

lang/lang_en_pl.txt

@@ -1187,7 +1187,7 @@
 
 #
 "The printer will start printing a zig-zag line. Rotate the knob until you reach the optimal height. Check the pictures in the handbook (Calibration chapter)."
-"\x00"
+"Drukarka zacznie drukowanie linii w ksztalcie zygzaka. Ustaw optymalna wysokosc obracajac pokretlo. Porownaj z ilustracjami w Podreczniku (rozdzial Kalibracja)."
 
 #
 "Y-correct:"