From dd00e31027adaa32c17ebe972956d917d838a2d2 Mon Sep 17 00:00:00 2001
From: dnc40085 <dnc40085@gmail.com>
Date: Fri, 22 May 2015 18:01:05 -0700
Subject: [PATCH] Added fix to adc.readvdd33() to prevent crashing in station
 mode while connected

---
 app/modules/adc.c | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/app/modules/adc.c b/app/modules/adc.c
index 72e1e6a0..799d7e72 100644
--- a/app/modules/adc.c
+++ b/app/modules/adc.c
@@ -24,11 +24,23 @@ static int adc_sample( lua_State* L )
 static int adc_readvdd33( lua_State* L )
 {
   uint32_t vdd33 = 0;
-  
-  os_intr_lock();
-  vdd33 = readvdd33();
-  os_intr_unlock();
 
+  if(STATION_MODE == wifi_get_opmode())
+  {
+    // Bug fix
+	  if (wifi_station_get_connect_status()!=0)
+	  {
+        return luaL_error( L, "Can't read vdd33 while station is connected" );
+	  }
+	  else
+	  {
+		  vdd33 = readvdd33();
+	  }
+  }
+  else
+  {
+    vdd33 = readvdd33();
+  }
   lua_pushinteger(L, vdd33);
   return 1;
 }