From 9e65c8409ade06700713e1fe3adc4e6eb3798096 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Hru=C5=A1ka?= <ondra@ondrovo.com>
Date: Mon, 29 Jan 2018 08:55:05 +0100
Subject: [PATCH] fixed inverted presence check

---
 units/1wire/unit_1wire.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/units/1wire/unit_1wire.c b/units/1wire/unit_1wire.c
index b36a2c2..6a13fc2 100644
--- a/units/1wire/unit_1wire.c
+++ b/units/1wire/unit_1wire.c
@@ -171,7 +171,7 @@ static bool ow_reset(Unit *unit)
         ow_release_line(unit);
         PTIM_MicroDelay(118);
 
-        presence = ow_sample_line(unit);
+        presence = !ow_sample_line(unit);
     }
     vPortExitCritical();