From 37fd8885277c8fe1ab41cbac97c9a3ed3078afe2 Mon Sep 17 00:00:00 2001
From: matthias-bs <83612361+matthias-bs@users.noreply.github.com>
Date: Sun, 20 Jun 2021 23:03:08 +0200
Subject: [PATCH] Fixed interrupt handling on ESP8266

With ESP8266 Arduino noard support package V3.0.0 an exception is issued whenever an interrupt occurs:

[...]
connected...yeey :)
HTTP server started
local ip:
192.168.156.166
*WM: freeing allocated params!
pm open,type:2 0
handleReceive()
ISR not in IRAM!

User exception (panic/abort/assert)
--------------- CUT HERE FOR EXCEPTION DECODER ---------------

Abort called

>>>stack>>>
[...]
---
 RFControl.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/RFControl.cpp b/RFControl.cpp
index 0e3f1ea..4c60768 100644
--- a/RFControl.cpp
+++ b/RFControl.cpp
@@ -288,7 +288,11 @@ void verification(int package) {
   }
 }
 
+#if defined(ESP8266)
+void ICACHE_RAM_ATTR handleInterrupt() {
+#else
 void handleInterrupt() {
+#endif
   //hw_digitalWrite(9, HIGH);
   unsigned long currentTime = hw_micros();
   duration = (currentTime - lastTime) / PULSE_LENGTH_DIVIDER;