From 4aec3d04f9a4341df03f44ab8a1022c294dc1732 Mon Sep 17 00:00:00 2001
From: Ayke van Laethem <aykevanlaethem@gmail.com>
Date: Mon, 25 Jul 2022 23:12:13 +0200
Subject: [PATCH] esp32: fix WDT reset on the MCH2022 badge

---
 src/runtime/runtime_esp32.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/runtime/runtime_esp32.go b/src/runtime/runtime_esp32.go
index 3075744c..0543a4bd 100644
--- a/src/runtime/runtime_esp32.go
+++ b/src/runtime/runtime_esp32.go
@@ -13,6 +13,10 @@ import (
 // set.
 //export main
 func main() {
+	// Disable the protection on the watchdog timer (needed when started from
+	// the bootloader).
+	esp.RTCCNTL.WDTWPROTECT.Set(0x050D83AA1)
+
 	// Disable both watchdog timers that are enabled by default on startup.
 	// Note that these watchdogs can be protected, but the ROM bootloader
 	// doesn't seem to protect them.