From 5b2a7a34ec1f4411fd40f30b244b9b588e5029b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Xose=20P=C3=A9rez?= <xose.perez@gmail.com>
Date: Thu, 2 Feb 2017 12:01:18 +0100
Subject: [PATCH] Do not bypass current clamp measurement if relay is off

---
 code/espurna/config/sensors.h | 1 +
 code/espurna/emon.ino         | 9 +++++----
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/code/espurna/config/sensors.h b/code/espurna/config/sensors.h
index 18ea50d0..2070ee97 100644
--- a/code/espurna/config/sensors.h
+++ b/code/espurna/config/sensors.h
@@ -37,6 +37,7 @@
 //--------------------------------------------------------------------------------
 // Custom current sensor
 // Check http://tinkerman.cat/your-laundry-is-done/
+// Check http://tinkerman.cat/power-monitoring-sonoff-th-adc121/
 // Enable support by passing ENABLE_EMON=1 build flag
 //--------------------------------------------------------------------------------
 
diff --git a/code/espurna/emon.ino b/code/espurna/emon.ino
index d866fc5f..81109430 100644
--- a/code/espurna/emon.ino
+++ b/code/espurna/emon.ino
@@ -144,13 +144,14 @@ void powerMonitorLoop() {
     if (millis() > next_measurement) {
 
         // Safety check: do not read current if relay is OFF
-        if (!relayStatus(0)) {
-            _current = 0;
-        } else {
+        // You could be monitoring another line with the current clamp...
+        //if (!relayStatus(0)) {
+        //    _current = 0;
+        //} else {
             _current = emon.getCurrent(EMON_SAMPLES);
             _current -= EMON_CURRENT_OFFSET;
             if (_current < 0) _current = 0;
-        }
+        //}
 
         if (measurements == 0) {
             max = min = _current;