From cf53e502a21f2927a128054de1f86d9e6615230c Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Tue, 12 Jun 2018 18:43:05 -0500
Subject: [PATCH] No need to set input after attachInterrupt

---
 Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h | 9 ---------
 Marlin/src/HAL/HAL_STM32F4/endstop_interrupts.h | 9 ---------
 Marlin/src/HAL/HAL_STM32F7/endstop_interrupts.h | 9 ---------
 3 files changed, 27 deletions(-)

diff --git a/Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h b/Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h
index 3d64e541d0..c2a07a7cf1 100644
--- a/Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h
+++ b/Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h
@@ -57,39 +57,30 @@ void endstop_ISR(void) { endstops.check_possible_change(); }
 void setup_endstop_interrupts(void) {
   #if HAS_X_MAX
     attachInterrupt(X_MAX_PIN, endstop_ISR, CHANGE); // assign it
-    SET_INPUT(X_MAX_PIN);
   #endif
   #if HAS_X_MIN
     attachInterrupt(X_MIN_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(X_MIN_PIN);
   #endif
   #if HAS_Y_MAX
     attachInterrupt(Y_MAX_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Y_MAX_PIN);
   #endif
   #if HAS_Y_MIN
     attachInterrupt(Y_MIN_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Y_MIN_PIN);
   #endif
   #if HAS_Z_MAX
     attachInterrupt(Z_MAX_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z_MAX_PIN);
   #endif
   #if HAS_Z_MIN
     attachInterrupt(Z_MIN_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z_MIN_PIN);
   #endif
   #if HAS_Z2_MAX
     attachInterrupt(Z2_MAX_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z2_MAX_PIN);
   #endif
   #if HAS_Z2_MIN
     attachInterrupt(Z2_MIN_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z2_MIN_PIN);
   #endif
   #if HAS_Z_MIN_PROBE_PIN
     attachInterrupt(Z_MIN_PROBE_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z_MIN_PROBE_PIN);
   #endif
 }
 
diff --git a/Marlin/src/HAL/HAL_STM32F4/endstop_interrupts.h b/Marlin/src/HAL/HAL_STM32F4/endstop_interrupts.h
index 64e67afc51..1b1cffc49f 100644
--- a/Marlin/src/HAL/HAL_STM32F4/endstop_interrupts.h
+++ b/Marlin/src/HAL/HAL_STM32F4/endstop_interrupts.h
@@ -32,39 +32,30 @@ void endstop_ISR(void) { endstops.check_possible_change(); }
 void setup_endstop_interrupts(void) {
   #if HAS_X_MAX
     attachInterrupt(X_MAX_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(X_MAX_PIN);
   #endif
   #if HAS_X_MIN
     attachInterrupt(X_MIN_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(X_MIN_PIN);
   #endif
   #if HAS_Y_MAX
     attachInterrupt(Y_MAX_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Y_MAX_PIN);
   #endif
   #if HAS_Y_MIN
     attachInterrupt(Y_MIN_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Y_MIN_PIN);
   #endif
   #if HAS_Z_MAX
     attachInterrupt(Z_MAX_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z_MAX_PIN);
   #endif
   #if HAS_Z_MIN
     attachInterrupt(Z_MIN_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z_MIN_PIN);
   #endif
   #if HAS_Z2_MAX
     attachInterrupt(Z2_MAX_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z2_MAX_PIN);
   #endif
   #if HAS_Z2_MIN
     attachInterrupt(Z2_MIN_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z2_MIN_PIN);
   #endif
   #if HAS_Z_MIN_PROBE_PIN
     attachInterrupt(Z_MIN_PROBE_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z_MIN_PROBE_PIN);
   #endif
 }
 
diff --git a/Marlin/src/HAL/HAL_STM32F7/endstop_interrupts.h b/Marlin/src/HAL/HAL_STM32F7/endstop_interrupts.h
index de5641268f..5ae338d76a 100644
--- a/Marlin/src/HAL/HAL_STM32F7/endstop_interrupts.h
+++ b/Marlin/src/HAL/HAL_STM32F7/endstop_interrupts.h
@@ -34,39 +34,30 @@ void endstop_ISR(void) { endstops.check_possible_change(); }
 void setup_endstop_interrupts(void) {
   #if HAS_X_MAX
     attachInterrupt(X_MAX_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(X_MAX_PIN);
   #endif
   #if HAS_X_MIN
     attachInterrupt(X_MIN_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(X_MIN_PIN);
   #endif
   #if HAS_Y_MAX
     attachInterrupt(Y_MAX_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Y_MAX_PIN);
   #endif
   #if HAS_Y_MIN
     attachInterrupt(Y_MIN_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Y_MIN_PIN);
   #endif
   #if HAS_Z_MAX
     attachInterrupt(Z_MAX_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z_MAX_PIN);
   #endif
   #if HAS_Z_MIN
     attachInterrupt(Z_MIN_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z_MIN_PIN);
   #endif
   #if HAS_Z2_MAX
     attachInterrupt(Z2_MAX_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z2_MAX_PIN);
   #endif
   #if HAS_Z2_MIN
     attachInterrupt(Z2_MIN_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z2_MIN_PIN);
   #endif
   #if HAS_Z_MIN_PROBE_PIN
     attachInterrupt(Z_MIN_PROBE_PIN, endstop_ISR, CHANGE);
-    SET_INPUT(Z_MIN_PROBE_PIN);
   #endif
 }