From d1fc7002c1e1a27b3685be22c1c7fc0af9060817 Mon Sep 17 00:00:00 2001
From: Ivan Grokhotkov <ivan@espressif.com>
Date: Fri, 3 Jun 2016 15:09:03 +0800
Subject: [PATCH] Move timer detachInterrupt functions into IRAM (#2083)

These functions are used from ISR in Servo library, so must be in IRAM.
---
 cores/esp8266/core_esp8266_timer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cores/esp8266/core_esp8266_timer.c b/cores/esp8266/core_esp8266_timer.c
index cd4341239..eb9f5ffff 100644
--- a/cores/esp8266/core_esp8266_timer.c
+++ b/cores/esp8266/core_esp8266_timer.c
@@ -50,7 +50,7 @@ void timer1_attachInterrupt(timercallback userFunc) {
     ETS_FRC1_INTR_ENABLE();
 }
 
-void timer1_detachInterrupt() {
+void ICACHE_RAM_ATTR timer1_detachInterrupt() {
     timer1_user_cb = 0;
     TEIE &= ~TEIE1;//edge int disable
     ETS_FRC1_INTR_DISABLE();
@@ -95,7 +95,7 @@ void timer0_attachInterrupt(timercallback userFunc) {
     ETS_CCOMPARE0_ENABLE();
 }
 
-void timer0_detachInterrupt() {
+void ICACHE_RAM_ATTR timer0_detachInterrupt() {
     timer0_user_cb = NULL;
     ETS_CCOMPARE0_DISABLE();
 }