From 39ff14cf6e55d72e03d25f5bb503a08cc01e3635 Mon Sep 17 00:00:00 2001
From: proddy <paul@derbyshire.nl>
Date: Mon, 11 Mar 2019 21:21:30 +0100
Subject: [PATCH] fix test for unset values

---
 src/ems.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ems.cpp b/src/ems.cpp
index 0cf9a1124..0ec1d69b3 100644
--- a/src/ems.cpp
+++ b/src/ems.cpp
@@ -335,7 +335,7 @@ float _toFloat(uint8_t i, uint8_t * data) {
     if ((data[i] & 0x80) == 0x80) {
         // check if its an invalid number
         // 0x8000 is used when sensor is missing
-        if ((data[i] == 0x80) && (data[i + 1] == 0)) {
+        if ((data[i] >= 0x80) && (data[i + 1] == 0)) {
             return (float)EMS_VALUE_FLOAT_NOTSET; // return -1 to indicate that is unknown
         }
         // its definitely a negative number