From c8dfa26bc8bfc9dd94f7da65b348b4c021f0231a Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Sun, 5 Nov 2017 19:20:28 -0600
Subject: [PATCH] Use fastio for STM32F1 endstop interrupts

---
 .../src/HAL/HAL_STM32F1/endstop_interrupts.h   | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h b/Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h
index 023e5a9b6..df68cf081 100644
--- a/Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h
+++ b/Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h
@@ -51,39 +51,39 @@
 
 void setup_endstop_interrupts(void) {
   #if HAS_X_MAX
-    pinMode(X_MAX_PIN, INPUT);
+    SET_INPUT(X_MAX_PIN);
     attachInterrupt(X_MAX_PIN, endstop_ISR, CHANGE); // assign it
   #endif
   #if HAS_X_MIN
-    pinMode(X_MIN_PIN, INPUT);
+    SET_INPUT(X_MIN_PIN);
     attachInterrupt(X_MIN_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Y_MAX
-    pinMode(Y_MAX_PIN, INPUT);
+    SET_INPUT(Y_MAX_PIN);
     attachInterrupt(Y_MAX_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Y_MIN
-    pinMode(Y_MIN_PIN, INPUT);
+    SET_INPUT(Y_MIN_PIN);
     attachInterrupt(Y_MIN_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Z_MAX
-    pinMode(Z_MAX_PIN, INPUT);
+    SET_INPUT(Z_MAX_PIN);
     attachInterrupt(Z_MAX_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Z_MIN
-    pinMode(Z_MIN_PIN, INPUT);
+    SET_INPUT(Z_MIN_PIN);
     attachInterrupt(Z_MIN_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Z2_MAX
-    pinMode(Z2_MAX_PIN, INPUT);
+    SET_INPUT(Z2_MAX_PIN);
     attachInterrupt(Z2_MAX_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Z2_MIN
-    pinMode(Z2_MIN_PIN, INPUT);
+    SET_INPUT(Z2_MIN_PIN);
     attachInterrupt(Z2_MIN_PIN, endstop_ISR, CHANGE);
   #endif
   #if HAS_Z_MIN_PROBE_PIN
-    pinMode(Z_MIN_PROBE_PIN, INPUT);
+    SET_INPUT(Z_MIN_PROBE_PIN);
     attachInterrupt(Z_MIN_PROBE_PIN, endstop_ISR, CHANGE);
   #endif
 }