From 218f194f537dfda55d32ce8d8739e322a3d0c07d Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Mon, 8 Jul 2013 20:17:03 +0300
Subject: [PATCH] Support inverted sensors that give low output when active

---
 source/libr2c2/sensor.cpp | 5 +++--
 source/libr2c2/sensor.h   | 1 +
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/source/libr2c2/sensor.cpp b/source/libr2c2/sensor.cpp
index 8a65d3d..47e05f6 100644
--- a/source/libr2c2/sensor.cpp
+++ b/source/libr2c2/sensor.cpp
@@ -9,6 +9,7 @@ namespace R2C2 {
 Sensor::Sensor(Layout &l):
 	layout(l),
 	address(0),
+	invert(false),
 	state(INACTIVE)
 {
 	if(layout.has_driver())
@@ -43,13 +44,13 @@ void Sensor::event(unsigned a, bool s)
 {
 	if(a==address)
 	{
-		if(s && state<MAYBE_ACTIVE)
+		if(s!=invert && state<MAYBE_ACTIVE)
 		{
 			state = MAYBE_ACTIVE;
 			state_confirm_timeout = 300*Time::msec;
 			signal_state_changed.emit(state);
 		}
-		else if(!s && state>MAYBE_INACTIVE)
+		else if(s==invert && state>MAYBE_INACTIVE)
 		{
 			state = MAYBE_INACTIVE;
 			state_confirm_timeout = 700*Time::msec;
diff --git a/source/libr2c2/sensor.h b/source/libr2c2/sensor.h
index d3f472d..f1525bf 100644
--- a/source/libr2c2/sensor.h
+++ b/source/libr2c2/sensor.h
@@ -25,6 +25,7 @@ public:
 protected:
 	Layout &layout;
 	unsigned address;
+	bool invert;
 	State state;
 	Msp::Time::TimeDelta state_confirm_timeout;
 
-- 
2.43.0