From b6139964615b181d15a09a6a4ffe506883ed9ad8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Xose=20P=C3=A9rez?= <xose.perez@gmail.com>
Date: Tue, 26 Dec 2017 19:09:28 +0100
Subject: [PATCH] Do not report sensor data if no magnitudes

---
 code/espurna/sensor.ino | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/code/espurna/sensor.ino b/code/espurna/sensor.ino
index 7a2edcf4..ce0a83ad 100644
--- a/code/espurna/sensor.ino
+++ b/code/espurna/sensor.ino
@@ -590,6 +590,8 @@ void sensorLoop() {
     static unsigned long last_update = 0;
     static unsigned long report_count = 0;
 
+    if (_magnitudes.size() == 0) return;
+
     // Tick hook
     _sensorTick();