From 2172d2e1754fd9dbe87cf2c8c80a3ddab0bf9185 Mon Sep 17 00:00:00 2001
From: Harald Barth <haba@kth.se>
Date: Sat, 11 May 2024 08:46:25 +0200
Subject: [PATCH] make WDT time longer to work around bootloader bug

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

diff --git a/DCCTimerAVR.cpp b/DCCTimerAVR.cpp
index 2806b07..656ba7e 100644
--- a/DCCTimerAVR.cpp
+++ b/DCCTimerAVR.cpp
@@ -185,8 +185,10 @@ int DCCTimer::freeMemory() {
 }
 
 void DCCTimer::reset() {
-  wdt_enable( WDTO_15MS); // set Arduino watchdog timer for 15ms 
-  delay(50);              // wait for it to happen
+  // 250ms chosen to circumwent bootloader bug which
+  // hangs at too short timepout (like 15ms)
+  wdt_enable( WDTO_250MS); // set Arduino watchdog timer for 250ms 
+  delay(500);              // wait for it to happen
 
 }