Added rewipe and reprobe on a failed probe.

Marlin/Configuration_LulzBot.h

@@ -63,7 +63,7 @@
     #error      Angelfish_Aero           // Titan AERO (Angelfish)
 #endif
 
-#define LULZBOT_FW_VERSION ".2"
+#define LULZBOT_FW_VERSION ".3"
 
 // Select options based on printer model
 
@@ -644,4 +644,34 @@
         u8g.drawStr(67,62,SHORT_BUILD_VERSION LULZBOT_FW_VERSION); \
     } while( u8g.nextPage() );
 
+// Z Probe w/ Rewipe
+#define LULZBOT_NUM_REWIPES 1
+
+#define LULZBOT_PROBE_Z_WITH_REWIPE(speed) \
+    do_probe_move(0, speed);                          /* probe; if we reach Z=0, the probe failed */ \
+    for(int rewipes = 1; current_position[Z_AXIS] == 0; rewipes++) { \
+        SERIAL_ERRORLNPGM(MSG_REWIPE); \
+        LCD_MESSAGEPGM(MSG_REWIPE); \
+        do_blocking_move_to_z(10, MMM_TO_MMS(speed)); /* raise nozzle */ \
+        Nozzle::clean(0, 2, 0, 0);                    /* wipe nozzle */ \
+        do_probe_move(0, speed);                      /* reprobe */ \
+        if(rewipes >= LULZBOT_NUM_REWIPES) {          /* max of tries */ \
+            SERIAL_ERRORLNPGM("PROBE FAIL CLEAN NOZZLE"); /* cura listens for this message specifically */ \
+            LCD_MESSAGEPGM(MSG_LEVEL_FAIL);           /* use a more friendly message on the LCD */ \
+            BUZZ(25, 880); BUZZ(50, 0);               /* play tone */ \
+            BUZZ(25, 880); BUZZ(50, 0); \
+            BUZZ(25, 880); BUZZ(50, 0); \
+            BUZZ(75, 880); BUZZ(50, 0); \
+            BUZZ(75, 880); BUZZ(50, 0); \
+            BUZZ(75, 880); BUZZ(50, 0); \
+            BUZZ(25, 880); BUZZ(50, 0); \
+            BUZZ(25, 880); BUZZ(50, 0); \
+            BUZZ(25, 880); BUZZ(50, 0); \
+            do_blocking_move_to_z(100, MMM_TO_MMS(Z_PROBE_SPEED_FAST)); /* raise head */ \
+            card.stopSDPrint();                       /* stop print job */ \
+            clear_command_queue(); \
+            print_job_timer.stop(); \
+            return NAN;                               /* abort the leveling in progress */ \
+        } \
+    }
 #endif /* CONFIGURATION_LULZBOT */

Marlin/Marlin_main.cpp

@@ -2243,7 +2243,11 @@ static void clean_up_after_endstop_or_probe_move() {
     #if ENABLED(PROBE_DOUBLE_TOUCH)
 
       // Do a first probe at the fast speed
+      #if defined(LULZBOT_PROBE_Z_WITH_REWIPE)
+      LULZBOT_PROBE_Z_WITH_REWIPE(Z_PROBE_SPEED_FAST);
+      #else
       do_probe_move(-(Z_MAX_LENGTH) - 10, Z_PROBE_SPEED_FAST);
+      #endif
 
       #if ENABLED(DEBUG_LEVELING_FEATURE)
         float first_probe_z = current_position[Z_AXIS];
@@ -2270,7 +2274,11 @@ static void clean_up_after_endstop_or_probe_move() {
     #endif
 
     // move down slowly to find bed
+    #if defined(LULZBOT_PROBE_Z_WITH_REWIPE)
+    LULZBOT_PROBE_Z_WITH_REWIPE(Z_PROBE_SPEED_SLOW);
+    #else
     do_probe_move(-(Z_MAX_LENGTH) - 10, Z_PROBE_SPEED_SLOW);
+    #endif
 
     #if ENABLED(DEBUG_LEVELING_FEATURE)
       if (DEBUGGING(LEVELING)) DEBUG_POS("<<< run_z_probe", current_position);

Marlin/language_en.h

@@ -156,6 +156,12 @@
 #ifndef MSG_LEVEL_BED
   #define MSG_LEVEL_BED                       _UxGT("Level bed")
 #endif
+#ifndef MSG_REWIPE
+  #define MSG_REWIPE                          _UxGT("Rewiping")
+#endif
+#ifndef MSG_LEVEL_FAIL
+  #define MSG_LEVEL_FAIL                      _UxGT("Please clean nozzle")
+#endif
 #ifndef MSG_EDITING_STOPPED
   #define MSG_EDITING_STOPPED                 _UxGT("Mesh Editing Stopped")
 #endif

README_LulzBot.md

@@ -12,8 +12,10 @@ The source on this branch can compile firmware for the TAZ 6 and Mini, as well a
 
 To select what firmware to build, modify lines 6 and 7 of "Configuration_LulzBot.h" according to the instructions on line 39.
 
-# Known Limitations:
+# Known Issues:
 
-1. There is no way to tune the FlexyDually properly right now, as Marlin 1.1.4 does not support separate ESTEPs per extruder.
+1. The Makefile does not work. Building must be done via the Arduino IDE (internal builds are being done with 1.8.3)
-2. The probe fail and rewipe/reprobe functionality is currently not implemented.
+2. There is no way to tune the FlexyDually properly right now, as Marlin 1.1.4 does not support separate ESTEPs per extruder.
-3. The Makefile does not work. Building must be done via the Arduino IDE (internal builds are being done with 1.8.3)
+3. Printer needs to be power cycled to clear "clean nozzle" state.
+4. M114 not reporting complete version string.
+5. LCD display will show "Heating" when cooling.