From 79ef114c0d78bd487f3a7a4c1dfdb1c15fec1830 Mon Sep 17 00:00:00 2001
From: Harald Barth <haba@kth.se>
Date: Sat, 21 May 2022 09:51:38 +0200
Subject: [PATCH] protect from setting unused pin

---
 MotorDriver.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MotorDriver.cpp b/MotorDriver.cpp
index 30dd1be..701816a 100644
--- a/MotorDriver.cpp
+++ b/MotorDriver.cpp
@@ -160,6 +160,8 @@ int MotorDriver::getCurrentRaw() {
 }
 
 void MotorDriver::setDCSignal(byte speedcode) {
+  if (brakePin == UNUSED_PIN)
+    return;
   // spedcoode is a dcc speed /direction
   byte tSpeed=speedcode & 0x7F;
     // DCC Speed with 0,1 stop and speed steps 2 to 127