From e6e126391dfd91d0d6cdfb8a8261e505ac052377 Mon Sep 17 00:00:00 2001
From: Theo Arends <mhtarends@gmail.com>
Date: Thu, 3 May 2018 15:21:45 +0200
Subject: [PATCH] Fix compile error when ADC enabled and No rules

5.13.1a
 * Fix compile error when ADC is enabled and Rules are disabled
(#2608)
---
 sonoff/_releasenotes.ino | 1 +
 sonoff/support.ino       | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/sonoff/_releasenotes.ino b/sonoff/_releasenotes.ino
index 8236aae15..0ab8d3efc 100644
--- a/sonoff/_releasenotes.ino
+++ b/sonoff/_releasenotes.ino
@@ -1,5 +1,6 @@
 /* 5.13.1a
  * Change user_config.h otaurl to http://sonoff.maddox.co.uk/tasmota/sonoff.bin (#2588, #2602)
+ * Fix compile error when ADC is enabled and Rules are disabled (#2608)
  *
  * 5.13.1 20180501
  * Fix JSON buffers size too small for execution in some situations (#2580)
diff --git a/sonoff/support.ino b/sonoff/support.ino
index a33c81a1a..d86f9ccce 100644
--- a/sonoff/support.ino
+++ b/sonoff/support.ino
@@ -1400,6 +1400,7 @@ uint16_t AdcRead()
   return analog;
 }
 
+#ifdef USE_RULES
 void AdcEvery50ms()
 {
   adc_counter++;
@@ -1413,6 +1414,7 @@ void AdcEvery50ms()
     }
   }
 }
+#endif  // USE_RULES
 
 void AdcShow(boolean json)
 {
@@ -1439,9 +1441,11 @@ boolean Xsns02(byte function)
 
   if (pin[GPIO_ADC0] < 99) {
     switch (function) {
+#ifdef USE_RULES
       case FUNC_EVERY_50_MSECOND:
         AdcEvery50ms();
         break;
+#endif  // USE_RULES
       case FUNC_JSON_APPEND:
         AdcShow(1);
         break;