From 1f483938e64c06de62f589b4bb87ecd069840824 Mon Sep 17 00:00:00 2001
From: Siegfried Kienzle <siegfried.kienzle@gmx.de>
Date: Tue, 25 Apr 2017 07:48:18 +0200
Subject: [PATCH] add function registerInput

---
 project/gpio.c | 6 ++++++
 project/gpio.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/project/gpio.c b/project/gpio.c
index eae9a47..c62152d 100644
--- a/project/gpio.c
+++ b/project/gpio.c
@@ -40,6 +40,12 @@ void registerOutput(char *pin)
 	setDirection(pin, "out", 3);
 }
 
+void registerInput(char *pin)
+{
+	registerPin(pin);
+	setDirection(pin, "in", 3);
+}
+
 void writeOutput(char *pin, int state)
 {
 	char path[50];
diff --git a/project/gpio.h b/project/gpio.h
index 656ac0b..d60543f 100644
--- a/project/gpio.h
+++ b/project/gpio.h
@@ -10,6 +10,7 @@ void registerPin(char *pin);
 void freePin(char *pin);
 void setDirection(char *pin, char *direction, int dirlen);
 void registerOutput(char *pin);
+void registerInput(char *pin);
 void writeOutput(char *pin, int state);
 
 #endif 
\ No newline at end of file