From d32fde3bddb913a5d34560fec711f1fb87c686c6 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Sat, 14 May 2016 17:37:42 -0700
Subject: [PATCH] Update comments, rename next_ping_ms, followup to #3797

---
 Marlin/Configuration_adv.h                                | 2 +-
 Marlin/Marlin_main.cpp                                    | 8 ++++----
 Marlin/example_configurations/Felix/Configuration_adv.h   | 4 ++--
 .../example_configurations/Hephestos/Configuration_adv.h  | 4 ++--
 .../Hephestos_2/Configuration_adv.h                       | 4 ++--
 Marlin/example_configurations/K8200/Configuration_adv.h   | 4 ++--
 .../example_configurations/RigidBot/Configuration_adv.h   | 4 ++--
 Marlin/example_configurations/SCARA/Configuration_adv.h   | 4 ++--
 Marlin/example_configurations/TAZ4/Configuration_adv.h    | 4 ++--
 Marlin/example_configurations/WITBOX/Configuration_adv.h  | 4 ++--
 .../delta/biv2.5/Configuration_adv.h                      | 4 ++--
 .../delta/generic/Configuration_adv.h                     | 4 ++--
 .../delta/kossel_mini/Configuration_adv.h                 | 4 ++--
 .../delta/kossel_pro/Configuration_adv.h                  | 4 ++--
 .../delta/kossel_xl/Configuration_adv.h                   | 4 ++--
 Marlin/example_configurations/makibox/Configuration_adv.h | 4 ++--
 .../tvrrug/Round2/Configuration_adv.h                     | 4 ++--
 Marlin/planner_bezier.cpp                                 | 6 +++---
 Marlin/temperature.cpp                                    | 3 ++-
 Marlin/ultralcd.cpp                                       | 2 +-
 20 files changed, 41 insertions(+), 40 deletions(-)

diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 1e70d78f040d..a2a1ea14bf3f 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -452,7 +452,7 @@
 #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
diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index be83f3099013..5623c109c489 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -7610,14 +7610,14 @@ void prepare_move() {
 
     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();
       }
 
@@ -7867,7 +7867,7 @@ void idle(
   host_keepalive();
   lcd_update();
   #if ENABLED(PRINTCOUNTER)
-      print_job_timer.tick();
+    print_job_timer.tick();
   #endif
 }
 
diff --git a/Marlin/example_configurations/Felix/Configuration_adv.h b/Marlin/example_configurations/Felix/Configuration_adv.h
index 58256be885fb..3f784aac1ece 100644
--- a/Marlin/example_configurations/Felix/Configuration_adv.h
+++ b/Marlin/example_configurations/Felix/Configuration_adv.h
@@ -448,11 +448,11 @@
 // @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
diff --git a/Marlin/example_configurations/Hephestos/Configuration_adv.h b/Marlin/example_configurations/Hephestos/Configuration_adv.h
index 2d5a149c8249..ab25822cd289 100644
--- a/Marlin/example_configurations/Hephestos/Configuration_adv.h
+++ b/Marlin/example_configurations/Hephestos/Configuration_adv.h
@@ -448,11 +448,11 @@
 // @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
diff --git a/Marlin/example_configurations/Hephestos_2/Configuration_adv.h b/Marlin/example_configurations/Hephestos_2/Configuration_adv.h
index 04bf2b1bcf23..fbafa6579fba 100644
--- a/Marlin/example_configurations/Hephestos_2/Configuration_adv.h
+++ b/Marlin/example_configurations/Hephestos_2/Configuration_adv.h
@@ -448,11 +448,11 @@
 // @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
diff --git a/Marlin/example_configurations/K8200/Configuration_adv.h b/Marlin/example_configurations/K8200/Configuration_adv.h
index 2eccfff5561d..04e9eb7a1140 100644
--- a/Marlin/example_configurations/K8200/Configuration_adv.h
+++ b/Marlin/example_configurations/K8200/Configuration_adv.h
@@ -454,11 +454,11 @@
 // @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
diff --git a/Marlin/example_configurations/RigidBot/Configuration_adv.h b/Marlin/example_configurations/RigidBot/Configuration_adv.h
index 6b0c88bf32cb..13b4b997f4a0 100644
--- a/Marlin/example_configurations/RigidBot/Configuration_adv.h
+++ b/Marlin/example_configurations/RigidBot/Configuration_adv.h
@@ -448,11 +448,11 @@
 // @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
diff --git a/Marlin/example_configurations/SCARA/Configuration_adv.h b/Marlin/example_configurations/SCARA/Configuration_adv.h
index 5bd27cd6090d..420609271e9c 100644
--- a/Marlin/example_configurations/SCARA/Configuration_adv.h
+++ b/Marlin/example_configurations/SCARA/Configuration_adv.h
@@ -448,11 +448,11 @@
 // @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
diff --git a/Marlin/example_configurations/TAZ4/Configuration_adv.h b/Marlin/example_configurations/TAZ4/Configuration_adv.h
index f113ece3735b..033f475f6030 100644
--- a/Marlin/example_configurations/TAZ4/Configuration_adv.h
+++ b/Marlin/example_configurations/TAZ4/Configuration_adv.h
@@ -456,11 +456,11 @@
 // @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
diff --git a/Marlin/example_configurations/WITBOX/Configuration_adv.h b/Marlin/example_configurations/WITBOX/Configuration_adv.h
index 2d5a149c8249..ab25822cd289 100644
--- a/Marlin/example_configurations/WITBOX/Configuration_adv.h
+++ b/Marlin/example_configurations/WITBOX/Configuration_adv.h
@@ -448,11 +448,11 @@
 // @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
diff --git a/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h b/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
index d3bf8d8bbe53..99c1b422da61 100644
--- a/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
@@ -450,11 +450,11 @@
 // @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
diff --git a/Marlin/example_configurations/delta/generic/Configuration_adv.h b/Marlin/example_configurations/delta/generic/Configuration_adv.h
index 094f54b0a339..4774739509e3 100644
--- a/Marlin/example_configurations/delta/generic/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/generic/Configuration_adv.h
@@ -450,11 +450,11 @@
 // @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
diff --git a/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
index 81a9f9aa88a3..98e302a724ad 100644
--- a/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
@@ -449,11 +449,11 @@
 // @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
diff --git a/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
index 89e3ef3b42c9..d01cb46ae531 100644
--- a/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
@@ -454,11 +454,11 @@
 // @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
diff --git a/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
index 37bddc291c59..2f6d37e65699 100644
--- a/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
@@ -450,11 +450,11 @@
 // @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
diff --git a/Marlin/example_configurations/makibox/Configuration_adv.h b/Marlin/example_configurations/makibox/Configuration_adv.h
index 4a513926742c..e8a9d9d585ec 100644
--- a/Marlin/example_configurations/makibox/Configuration_adv.h
+++ b/Marlin/example_configurations/makibox/Configuration_adv.h
@@ -448,11 +448,11 @@
 // @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
diff --git a/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h b/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
index 4c4458ecbe4c..56767f1133ba 100644
--- a/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
+++ b/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
@@ -448,11 +448,11 @@
 // @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
diff --git a/Marlin/planner_bezier.cpp b/Marlin/planner_bezier.cpp
index ad80c6b1989f..b789b3db539e 100644
--- a/Marlin/planner_bezier.cpp
+++ b/Marlin/planner_bezier.cpp
@@ -118,14 +118,14 @@ void cubic_b_spline(const float position[NUM_AXIS], const float target[NUM_AXIS]
   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();
     }
 
diff --git a/Marlin/temperature.cpp b/Marlin/temperature.cpp
index 86197003e749..ebebc3bd2c00 100644
--- a/Marlin/temperature.cpp
+++ b/Marlin/temperature.cpp
@@ -516,6 +516,7 @@ float Temperature::get_pid_output(int e) {
 /**
  * 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)
@@ -525,7 +526,7 @@ void Temperature::manage_heater() {
 
   if (!temp_meas_ready) return;
 
-  updateTemperaturesFromRawValues();
+  updateTemperaturesFromRawValues(); // also resets the watchdog
 
   #if ENABLED(HEATER_0_USES_MAX6675)
     float ct = current_temperature[0];
diff --git a/Marlin/ultralcd.cpp b/Marlin/ultralcd.cpp
index 4d7f80b95d2a..dd99b2961fe7 100644
--- a/Marlin/ultralcd.cpp
+++ b/Marlin/ultralcd.cpp
@@ -2247,7 +2247,7 @@ void lcd_update() {
       }
     #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--) {