fixing signed issue when averaging

diff --git a/pt100/main.h b/pt100/main.h
index 7925b7adf78a177f92977fab3064d44ff31667c5..d69cdb62b951e7d9146b1ef36ed566fcfe7b3962 100644 (file)
--- a/pt100/main.h
+++ b/pt100/main.h
@@ -54,7 +54,7 @@ extern volatile uint16_t time;
 extern volatile uint8_t  measurement_active;
 extern struct calib_t calib_settings;
 
-extern uint32_t temperature[17][9];
+extern int32_t  temperature[17][9];
 extern uint8_t  invalid[8];
 extern uint8_t  make_update_lcd;