1 files changed, 4 insertions, 1 deletions
diff --git a/main.h b/main.h
index 39ca8b2..f7c707d 100755
--- a/main.h
+++ b/main.h
@@ -1,9 +1,11 @@
 #ifdef ADC
 // Initialize variable for LDR
 unsigned int ldr = 0;
-unsigned int ldr_chg = 0;
 #endif
 
+#define brtlvl ldr/256
+int brtlvl_chg = 0;
+
 // Initialize variables for date time and alarms
 unsigned int sec = 0;
 unsigned int min = 37;
@@ -42,6 +44,7 @@ alarm1_hour_0, alarm1_hour_1;
 unsigned char alarm2_min_0, alarm2_min_1, alarm2_hour_0, alarm2_hour_1;
 
 #ifdef DEBUG
+#include <stdio.h>                         // included for sprintf
 // Initialize a variable to use as a buffer for sprintf
 char buf[40];
 #endif