thing.diff

diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 52e6832..d6b9da9 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -76,7 +76,7 @@
 #endif
 
 // Define this to set a custom name for your generic Mendel,
-// #define CUSTOM_MENDEL_NAME "This Mendel"
+#define CUSTOM_MENDEL_NAME "Kossel"
 
 // Define this to set a unique identifier for this printer, (Used by some programs to differentiate between machines)
 // You can use an online service to generate a random UUID. (eg http://www.uuidgenerator.net/version4)
@@ -103,7 +103,7 @@
 // Make delta curves from many straight lines (linear interpolation).
 // This is a trade-off between visible corners (not enough segments)
 // and processor overload (too many expensive sqrt calls).
-#define DELTA_SEGMENTS_PER_SECOND 160
+#define DELTA_SEGMENTS_PER_SECOND 100
 
 // Center-to-center distance of the holes in the diagonal push rods.
 #define DELTA_DIAGONAL_ROD 186.0 // mm
@@ -121,7 +121,7 @@
 #define DELTA_RADIUS (DELTA_SMOOTH_ROD_OFFSET-DELTA_EFFECTOR_OFFSET-DELTA_CARRIAGE_OFFSET)
 
 // Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).
-#define DELTA_PRINTABLE_RADIUS 70.0
+#define DELTA_PRINTABLE_RADIUS 75.0
 
 // Effective X/Y positions of the three vertical towers.
 #define SIN_60 0.8660254037844386
@@ -378,16 +378,16 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 #ifdef ENABLE_AUTO_BED_LEVELING
 
   // these are the positions on the bed to do the probing
-  #define DELTA_PROBABLE_RADIUS (DELTA_PRINTABLE_RADIUS-10)
-  #define LEFT_PROBE_BED_POSITION -DELTA_PROBABLE_RADIUS
-  #define RIGHT_PROBE_BED_POSITION DELTA_PROBABLE_RADIUS
-  #define BACK_PROBE_BED_POSITION DELTA_PROBABLE_RADIUS
-  #define FRONT_PROBE_BED_POSITION -DELTA_PROBABLE_RADIUS
+  #define DELTA_PROBABLE_RADIUS (DELTA_PRINTABLE_RADIUS-9)
+  #define LEFT_PROBE_BED_POSITION -DELTA_PRINTABLE_RADIUS
+  #define RIGHT_PROBE_BED_POSITION DELTA_PRINTABLE_RADIUS
+  #define BACK_PROBE_BED_POSITION DELTA_PRINTABLE_RADIUS
+  #define FRONT_PROBE_BED_POSITION -DELTA_PRINTABLE_RADIUS
 
   // these are the offsets to the probe relative to the extruder tip (Hotend - Probe)
   #define X_PROBE_OFFSET_FROM_EXTRUDER 0.0
   #define Y_PROBE_OFFSET_FROM_EXTRUDER 0.0
-  #define Z_PROBE_OFFSET_FROM_EXTRUDER 0.0
+  #define Z_PROBE_OFFSET_FROM_EXTRUDER 0.1  // Increase this if the first layer is too thin.
 
   #define Z_RAISE_BEFORE_HOMING 4       // (in mm) Raise Z before homing (G28) for Probe Clearance.
                                         // Be sure you have this distance over your Z_MAX_POS in case
@@ -395,7 +395,8 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
   #define XY_TRAVEL_SPEED 8000         // X and Y axis travel speed between probes, in mm/min
 
   #define Z_RAISE_BEFORE_PROBING 5  //How much the extruder will be raised before traveling to the first probing point.
-  #define Z_RAISE_BETWEEN_PROBINGS 2  //How much the extruder will be raised when traveling from between next probing points
+  #define Z_RAISE_BETWEEN_PROBINGS 1  //How much the extruder will be raised when traveling from between next probing points
+  #define Z_RAISE_AFTER_PROBING 50  //How much the extruder will be raised after the last probing point.
 
 
   //If defined, the Probe servo will be turned on only during movement and then turned off to avoid jerk
@@ -427,7 +428,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
   #define ACCURATE_BED_LEVELING
 
   #ifdef ACCURATE_BED_LEVELING
-    #define ACCURATE_BED_LEVELING_POINTS 7
+    #define ACCURATE_BED_LEVELING_POINTS 9
     #define ACCURATE_BED_LEVELING_GRID_X ((RIGHT_PROBE_BED_POSITION - LEFT_PROBE_BED_POSITION) / (ACCURATE_BED_LEVELING_POINTS - 1))
     #define ACCURATE_BED_LEVELING_GRID_Y ((BACK_PROBE_BED_POSITION - FRONT_PROBE_BED_POSITION) / (ACCURATE_BED_LEVELING_POINTS - 1))
 
@@ -500,7 +501,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 //#define EEPROM_CHITCHAT
 
 // Preheat Constants
-#define PLA_PREHEAT_HOTEND_TEMP 180
+#define PLA_PREHEAT_HOTEND_TEMP 235  // Current J-Head thermistor reads hot
 #define PLA_PREHEAT_HPB_TEMP 70
 #define PLA_PREHEAT_FAN_SPEED 255   // Insert Value between 0 and 255
 
@@ -622,7 +623,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 #endif
 
 // Panucatt VIKI LCD with status LEDs, integrated click & L/R/U/P buttons, separate encoder inputs
-//#define LCD_I2C_VIKI
+#define LCD_I2C_VIKI
 #ifdef LCD_I2C_VIKI
   // This uses the LiquidTWI2 library v1.2.3 or later ( https://github.com/lincomatic/LiquidTWI2 )
   // Make sure the LiquidTWI2 directory is placed in the Arduino or Sketchbook libraries subdirectory.
diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index bd86c26..8d9fdd5 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -42,7 +42,7 @@
 
 //Show Temperature ADC value
 //The M105 command return, besides traditional information, the ADC value read from temperature sensors.
-//#define SHOW_TEMP_ADC_VALUES
+#define SHOW_TEMP_ADC_VALUES
 
 //  extruder run-out prevention.
 //if the machine is idle, and the temperature over MINTEMP, every couple of SECONDS some filament is extruded
@@ -382,7 +382,7 @@ const unsigned int dropsegments=5; //everything with less than this number of st
 // The number of linear motions that can be in the plan at any give time.
 // THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
 #if defined SDSUPPORT
-  #define BLOCK_BUFFER_SIZE 16   // SD,LCD,Buttons take more memory, block buffer needs to be smaller
+  #define BLOCK_BUFFER_SIZE 32 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else
   #define BLOCK_BUFFER_SIZE 64 // maximize block buffer
 #endif
diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 899c3f1..0a3d47c 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -883,8 +883,8 @@ static void set_bed_level_equation(float z_at_xLeft_yFront, float z_at_xRight_yF
 }
 #endif // ACCURATE_BED_LEVELING
 
-bool touching_print_surface() {
-  return rawBedSample() < 512; // ADC goes from 0 to 1023
+bool touching_print_surface(int threshold) {
+  return rawBedSample() < threshold;
 }
 
 static void run_z_probe() {
@@ -892,18 +892,21 @@ static void run_z_probe() {
 
 #ifdef DELTA
   #ifdef FSR_BED_LEVELING
-    feedrate = 120; //mm/min
+    feedrate = 600; //mm/min
     float step = 0.05;
     int direction = -1;
-    while (!touching_print_surface()) {
+    // Consider the glass touched if the raw ADC value is reduced by 5% or more.
+    int analog_fsr_untouched = rawBedSample();
+    int threshold = analog_fsr_untouched * 95 / 100;
+    while (!touching_print_surface(threshold)) {
       destination[Z_AXIS] += step * direction;
       prepare_move_raw();
       st_synchronize();
     }
-    while (step > 0.01) {
-      step *= 0.95;
-      feedrate *= 0.95;
-      direction = touching_print_surface() ? 1 : -1;
+    while (step > 0.005) {
+      step *= 0.8;
+      feedrate *= 0.8;
+      direction = touching_print_surface(threshold) ? 1 : -1;
       destination[Z_AXIS] += step * direction;
       prepare_move_raw();
       st_synchronize();
@@ -1623,7 +1626,7 @@ void process_commands()
                 #ifdef DELTA
                 // Avoid probing the corners (outside the round or hexagon print surface) on a delta printer.
                 float distance_from_center = sqrt(xProbe*xProbe + yProbe*yProbe);
-                if (distance_from_center > DELTA_PROBABLE_RADIUS - 1) continue;
+                if (distance_from_center > DELTA_PROBABLE_RADIUS) continue;
                 #endif //DELTA
 
                 float z_before = probePointCounter == 0 ? Z_RAISE_BEFORE_PROBING :
@@ -1686,6 +1689,7 @@ void process_commands()
 
 
 #endif // ACCURATE_BED_LEVELING
+            do_blocking_move_to(MANUAL_X_HOME_POS, MANUAL_Y_HOME_POS, Z_RAISE_AFTER_PROBING);
             st_synchronize();
 
           #ifndef SERVO_ENDSTOPS