[chronojump: 1/4] RaceAnalyzer firmware minor optimization

[Xavier Padullés <xpadulles src gnome org>]

commit a7d9818bf9dae4c634bb020e7f029ac20dbefa50
Author: Xavier Padullés <x padulles gmail com>
Date:   Wed Oct 16 17:09:09 2019 +0200

    RaceAnalyzer firmware minor optimization

 arduino/raceAnalyzer/raceAnalyzer.ino | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/arduino/raceAnalyzer/raceAnalyzer.ino b/arduino/raceAnalyzer/raceAnalyzer.ino
index 5e3f82f9..b4266dc6 100644
--- a/arduino/raceAnalyzer/raceAnalyzer.ino
+++ b/arduino/raceAnalyzer/raceAnalyzer.ino
@@ -157,8 +157,9 @@ void loop() {
 }
 
 void changingA() {
+  bool photocellB = digitalRead(encoderPinB);
   changingTime = micros();
-  if (digitalRead(encoderPinB) == HIGH) {
+  if (photocellB == HIGH) {
     encoderDisplacement--;
     //digitalWrite(13, HIGH);
   } else {