From 214d8bc8b8cb59fff65727484789d097b2727785 Mon Sep 17 00:00:00 2001
From: Ivan Grokhotkov <igrokhotkov@gmail.com>
Date: Sat, 27 Feb 2016 11:16:30 +0300
Subject: [PATCH] Improve clearing GPIO interrupt state (thanks @me-no-dev)

---
 cores/esp8266/core_esp8266_wiring_digital.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cores/esp8266/core_esp8266_wiring_digital.c b/cores/esp8266/core_esp8266_wiring_digital.c
index 8786b925b..7dce8cb60 100644
--- a/cores/esp8266/core_esp8266_wiring_digital.c
+++ b/cores/esp8266/core_esp8266_wiring_digital.c
@@ -111,8 +111,8 @@ static uint32_t interrupt_reg = 0;
 
 void ICACHE_RAM_ATTR interrupt_handler(void *arg) {
   uint32_t status = GPIE;
-  uint32_t levels = GPI;
   GPIEC = status;//clear them interrupts
+  uint32_t levels = GPI;
   if(status == 0 || interrupt_reg == 0) return;
   ETS_GPIO_INTR_DISABLE();
   int i = 0;