From ac352ac1caec64cf80d9769415edf1084124ecac Mon Sep 17 00:00:00 2001 From: Structix Date: Thu, 24 Aug 2017 12:31:12 +0000 Subject: [PATCH] Update calculate.h --- RaspberryPi/calculate.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/RaspberryPi/calculate.h b/RaspberryPi/calculate.h index e62bd13..dfb49ec 100644 --- a/RaspberryPi/calculate.h +++ b/RaspberryPi/calculate.h @@ -1,4 +1,8 @@ -/* Include guard */ +#ifndef dht22_H +#define dht22_H + #include "dht22.h" double absoluteHumidity(sensor *sensor); + +#endif \ No newline at end of file