Merge pull request #3761 from thinkyhead/rc_plan_arc_idle

Apply config changes, tweak comments, next_ping_ms => next_idle_ms

Marlin/Configuration_adv.h

 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets. Needs ~2666 bytes
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/Marlin_main.cpp

 
     float feed_rate = feedrate * feedrate_multiplier / 60 / 100.0;
 
-    millis_t next_ping_ms = millis() + 200UL;
+    millis_t next_idle_ms = millis() + 200UL;
 
     for (i = 1; i < segments; i++) { // Iterate (segments-1) times
 
       thermalManager.manage_heater();
       millis_t now = millis();
-      if (ELAPSED(now, next_ping_ms)) {
-        next_ping_ms = now + 200UL;
+      if (ELAPSED(now, next_idle_ms)) {
+        next_idle_ms = now + 200UL;
         idle();
       }
 
   host_keepalive();
   lcd_update();
   #if ENABLED(PRINTCOUNTER)
-      print_job_timer.tick();
+    print_job_timer.tick();
   #endif
 }
 

Marlin/example_configurations/Felix/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/Hephestos/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/Hephestos_2/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/K8200/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 2; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/RigidBot/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/SCARA/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/TAZ4/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/WITBOX/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/delta/biv2.5/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/delta/generic/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/makibox/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

 // @section extras
 
 // Arc interpretation settings:
-#define ARC_SUPPORT  // Disabling this saves ~2660bytes
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-// Support for G5 with XYZE destination and IJPQ offsets
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
 //#define BEZIER_CURVE_SUPPORT
 
 const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement

Marlin/planner_bezier.cpp

   bez_target[Y_AXIS] = position[Y_AXIS];
   float step = MAX_STEP;
 
-  millis_t next_ping_ms = millis() + 200UL;
+  millis_t next_idle_ms = millis() + 200UL;
 
   while (t < 1.0) {
 
     thermalManager.manage_heater();
     millis_t now = millis();
-    if (ELAPSED(now, next_ping_ms)) {
-      next_ping_ms = now + 200UL;
+    if (ELAPSED(now, next_idle_ms)) {
+      next_idle_ms = now + 200UL;
       idle();
     }
 

Marlin/temperature.cpp

 /**
  * Manage heating activities for extruder hot-ends and a heated bed
  *  - Acquire updated temperature readings
+ *    - Also resets the watchdog timer
  *  - Invoke thermal runaway protection
  *  - Manage extruder auto-fan
  *  - Apply filament width to the extrusion rate (may move)
 
   if (!temp_meas_ready) return;
 
-  updateTemperaturesFromRawValues();
+  updateTemperaturesFromRawValues(); // also resets the watchdog
 
   #if ENABLED(HEATER_0_USES_MAX6675)
     float ct = current_temperature[0];

Marlin/ultralcd.cpp

       }
     #endif //ULTIPANEL
 
-    // Here we arrive every ~100ms when ideling often enough.
+    // We arrive here every ~100ms when idling often enough.
     // Instead of tracking the changes simply redraw the Info Screen ~1 time a second.
     static int8_t lcd_status_update_delay = 1; // first update one loop delayed
     if (currentMenu == lcd_status_screen && !lcd_status_update_delay--) {