fix Delta

MK/Configuration_Delta.h

@@ -50,8 +50,36 @@
 // if you want use new function comment this (using // at the start of the line)
 #define DELTA_SEGMENTS_PER_SECOND 200
 
+// NOTE: All following values for DELTA_* MUST be floating point,
+// so always have a decimal point in them.
+//
+// Towers and rod nomenclature for the following defines:
+//
+//                     C, Y-axis
+//                     |
+// DELTA_ALPHA_CA=120° |  DELTA_ALPHA_CB=120°
+//                     |
+//                     |______ X-axis
+//                    / \
+//                   /   \
+//                  /     \
+//                 /       \
+//                A         B
+//
+//    |___| DELTA_CARRIAGE_OFFSET
+//    |   \
+//    |    \
+//    |     \  DELTA_DIAGONAL_ROD
+//    |      \
+//    |       \   | Effector is at printer center!
+//    |        \__|__/
+//    |        |--| DELTA_EFFECTOR_OFFSET
+//        |----|    DELTA_RADIUS Calculated in fw (DELTA_SMOOTH_ROD_OFFSET - DELTA_EFFECTOR_OFFSET - DELTA_CARRIAGE_OFFSET)
+//      |---------| DELTA_PRINTABLE_RADIUS
+//    |-----------| DELTA_SMOOTH_ROD_OFFSET
+  
 // Center-to-center distance of the holes in the diagonal push rods.
-#define DEFAULT_DELTA_DIAGONAL_ROD 220.0    // mm
+#define DELTA_DIAGONAL_ROD 220.0            // mm
 
 // Horizontal offset from middle of printer to smooth rod center.
 #define DELTA_SMOOTH_ROD_OFFSET 150.0       // mm
@@ -62,8 +90,8 @@
 // Horizontal offset of the universal joints on the carriages.
 #define DELTA_CARRIAGE_OFFSET 20.0          // mm
 
-// Bed Printer radius
-#define BED_PRINTER_RADIUS 75               // mm
+// Delta Printable radius
+#define DELTA_PRINTABLE_RADIUS 75.0         // mm
 
 //Endstop Offset Adjustment - All values are in mm and must be negative (to move down away from endstop switches) 
 #define TOWER_A_ENDSTOP_ADJ 0 // Front Left Tower
@@ -80,7 +108,7 @@
 #define TOWER_B_RADIUS_ADJ 0 //Front Right Tower
 #define TOWER_C_RADIUS_ADJ 0 //Rear Tower
 
-//Diagonal Rod Adjustment - Adj diag rod for Tower by x mm from DEFAULT_DELTA_DIAGONAL_ROD value
+//Diagonal Rod Adjustment - Adj diag rod for Tower by x mm from DELTA_DIAGONAL_ROD value
 #define TOWER_A_DIAGROD_ADJ 0 //Front Left Tower
 #define TOWER_B_DIAGROD_ADJ 0 //Front Right Tower
 #define TOWER_C_DIAGROD_ADJ 0 //Rear Tower
@@ -298,10 +326,10 @@
  * Travel limits after homing (units are in mm)                                          *
  *                                                                                       *
  *****************************************************************************************/
-#define X_MAX_POS BED_PRINTER_RADIUS
-#define X_MIN_POS -BED_PRINTER_RADIUS
-#define Y_MAX_POS BED_PRINTER_RADIUS
-#define Y_MIN_POS -BED_PRINTER_RADIUS
+#define X_MAX_POS DELTA_PRINTABLE_RADIUS
+#define X_MIN_POS -DELTA_PRINTABLE_RADIUS
+#define Y_MAX_POS DELTA_PRINTABLE_RADIUS
+#define Y_MIN_POS -DELTA_PRINTABLE_RADIUS
 #define Z_MAX_POS MANUAL_Z_HOME_POS
 #define Z_MIN_POS 0
 #define E_MIN_POS 0

MK/Configuration_Store.cpp

@@ -529,7 +529,7 @@ void Config_ResetDefault() {
 
   #if MECH(DELTA)
     delta_radius = DEFAULT_DELTA_RADIUS;
-    delta_diagonal_rod = DEFAULT_DELTA_DIAGONAL_ROD;
+    delta_diagonal_rod = DELTA_DIAGONAL_ROD;
     endstop_adj[0] = TOWER_A_ENDSTOP_ADJ;
     endstop_adj[1] = TOWER_B_ENDSTOP_ADJ;
     endstop_adj[2] = TOWER_C_ENDSTOP_ADJ;

MK/module/MK_Main.cpp

@@ -184,8 +184,8 @@ double printer_usage_filament;
   float diagrod_adj[3] = { 0 };
   float saved_endstop_adj[3] = { 0 };
   float tower_adj[6] = { 0 };
-  float delta_radius; // = DEFAULT_delta_radius;
-  float delta_diagonal_rod; // = DEFAULT_DELTA_DIAGONAL_ROD;
+  float delta_radius; // = delta_radius;
+  float delta_diagonal_rod; // = DELTA_DIAGONAL_ROD;
   float delta_diagonal_rod_1;
   float delta_diagonal_rod_2;
   float delta_diagonal_rod_3;

MK/module/conditionals.h

@@ -373,7 +373,7 @@
   #define BACK_PROBE_BED_POSITION DELTA_PROBABLE_RADIUS
   
   // Radius for probe
-  #define DELTA_PROBABLE_RADIUS BED_PRINTER_RADIUS - 5
+  #define DELTA_PROBABLE_RADIUS DELTA_PRINTABLE_RADIUS - 5
 #endif
   
 /**

MK/module/lcd/ultralcd.cpp

@@ -967,7 +967,7 @@ static void _lcd_move(const char* name, AxisEnum axis, int min, int max) {
 }
 
 #if MECH(DELTA)
-  static float delta_clip_radius_2 =  BED_PRINTER_RADIUS * BED_PRINTER_RADIUS;
+  static float delta_clip_radius_2 =  DELTA_PRINTABLE_RADIUS * DELTA_PRINTABLE_RADIUS;
   static int delta_clip( float a ) { return sqrt(delta_clip_radius_2 - a * a); }
   static void lcd_move_x() { int clip = delta_clip(current_position[Y_AXIS]); _lcd_move(PSTR(MSG_MOVE_X), X_AXIS, max(X_MIN_POS, -clip), min(X_MAX_POS, clip)); }
   static void lcd_move_y() { int clip = delta_clip(current_position[X_AXIS]); _lcd_move(PSTR(MSG_MOVE_X), X_AXIS, max(X_MIN_POS, -clip), min(X_MAX_POS, clip)); }

MK/module/sanitycheck.h

@@ -1220,8 +1220,8 @@
   #endif
 
   #if MECH(DELTA)
-    #if DISABLED(DEFAULT_DELTA_DIAGONAL_ROD)
-      #error DEPENDENCY ERROR: Missing setting DEFAULT_DELTA_DIAGONAL_ROD
+    #if DISABLED(DELTA_DIAGONAL_ROD)
+      #error DEPENDENCY ERROR: Missing setting DELTA_DIAGONAL_ROD
     #endif
     #if DISABLED(DELTA_SMOOTH_ROD_OFFSET)
       #error DEPENDENCY ERROR: Missing setting DELTA_SMOOTH_ROD_OFFSET
@@ -1229,8 +1229,8 @@
     #if DISABLED(DELTA_CARRIAGE_OFFSET)
       #error DEPENDENCY ERROR: Missing setting DELTA_CARRIAGE_OFFSET
     #endif
-    #if DISABLED(BED_PRINTER_RADIUS)
-      #error DEPENDENCY ERROR: Missing setting BED_PRINTER_RADIUS
+    #if DISABLED(DELTA_PRINTABLE_RADIUS)
+      #error DEPENDENCY ERROR: Missing setting DELTA_PRINTABLE_RADIUS
     #endif
     #if DISABLED(DEFAULT_DELTA_RADIUS)
       #error DEPENDENCY ERROR: Missing setting DEFAULT_DELTA_RADIUS