From 6ab7baa413b520fde11f588e288b391b39bf4cd8 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Thu, 8 Apr 2021 15:43:16 -0500
Subject: [PATCH] tick() => isr() to spotlight interrupt-time

---
 Marlin/src/module/planner.h       |  6 ++----
 Marlin/src/module/temperature.cpp | 10 +++++-----
 Marlin/src/module/temperature.h   |  2 +-
 3 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/Marlin/src/module/planner.h b/Marlin/src/module/planner.h
index 570fcc08af..d4ed00d2fa 100644
--- a/Marlin/src/module/planner.h
+++ b/Marlin/src/module/planner.h
@@ -885,11 +885,9 @@ class Planner {
     // Wait for moves to finish and disable all steppers
     static void finish_and_disable();
 
-    // Periodic tick to handle cleaning timeouts
+    // Periodic handler to manage the cleaning buffer counter
     // Called from the Temperature ISR at ~1kHz
-    static void tick() {
-      if (cleaning_buffer_counter) --cleaning_buffer_counter;
-    }
+    static void isr() { if (cleaning_buffer_counter) --cleaning_buffer_counter; }
 
     /**
      * Does the buffer have any blocks queued?
diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp
index 992681632d..faa5bb5b10 100644
--- a/Marlin/src/module/temperature.cpp
+++ b/Marlin/src/module/temperature.cpp
@@ -2835,12 +2835,12 @@ void Temperature::readings_ready() {
  *  - Step the babysteps value for each axis towards 0
  *  - For PINS_DEBUGGING, monitor and report endstop pins
  *  - For ENDSTOP_INTERRUPTS_FEATURE check endstops if flagged
- *  - Call planner.tick to count down its "ignore" time
+ *  - Call planner.isr to count down its "ignore" time
  */
 HAL_TEMP_TIMER_ISR() {
   HAL_timer_isr_prologue(TEMP_TIMER_NUM);
 
-  Temperature::tick();
+  Temperature::isr();
 
   HAL_timer_isr_epilogue(TEMP_TIMER_NUM);
 }
@@ -2879,7 +2879,7 @@ public:
  *  - Endstop polling
  *  - Planner clean buffer
  */
-void Temperature::tick() {
+void Temperature::isr() {
 
   static int8_t temp_count = -1;
   static ADCSensorState adc_sensor_state = StartupDelay;
@@ -3363,8 +3363,8 @@ void Temperature::tick() {
   // Poll endstops state, if required
   endstops.poll();
 
-  // Periodically call the planner timer
-  planner.tick();
+  // Periodically call the planner timer service routine
+  planner.isr();
 }
 
 #if HAS_TEMP_SENSOR
diff --git a/Marlin/src/module/temperature.h b/Marlin/src/module/temperature.h
index 92e436c73f..13dcca2932 100644
--- a/Marlin/src/module/temperature.h
+++ b/Marlin/src/module/temperature.h
@@ -600,8 +600,8 @@ class Temperature {
     /**
      * Called from the Temperature ISR
      */
+    static void isr();
     static void readings_ready();
-    static void tick();
 
     /**
      * Call periodically to manage heaters