From 22d498ffb5e5aea13fc152e37ad1ac1da6b5660f Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Mon, 5 Jun 2023 17:23:58 -0500
Subject: [PATCH] fix

---
 components/ratgdo/ratgdo.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/components/ratgdo/ratgdo.cpp b/components/ratgdo/ratgdo.cpp
index fd3542c..aacf876 100644
--- a/components/ratgdo/ratgdo.cpp
+++ b/components/ratgdo/ratgdo.cpp
@@ -100,11 +100,13 @@ namespace ratgdo {
     // RPM2: __|--|___
     void IRAM_ATTR HOT RATGDOStore::isrRPM2(RATGDOStore *arg)
     {
+        unsigned long currentMillis = millis();
+
         // The encoder updates faster than the ESP wants to process, so by sampling
         // every 5ms we get a more reliable curve The counter is behind the actual
         // pulse counter, but it doesn't matter since we only need a reliable linear
         // counter to determine the door direction
-        if (millis() - arg->lastPulse < 5) {
+        if (currentMillis - arg->lastPulse < 5) {
             return;
         }
 
@@ -118,7 +120,7 @@ namespace ratgdo {
             return;
         }
 
-        arg->lastPulse = millis();
+        arg->lastPulse = currentMillis;
 
         // If the RPM1 state is different from the RPM2 state, then the door is
         // opening