added spectrometer timeout

Dependencies:   SDFileSystem mbed

Fork of All_Combined_Real2 by Colin Maxfield

Revision:
9:924d80730ac5
Parent:
3:c611fff05072
--- a/temp_sensor.h	Mon Apr 04 18:30:02 2016 +0000
+++ b/temp_sensor.h	Mon Apr 11 18:32:28 2016 +0000
@@ -2,5 +2,6 @@
 #include "I2C.h"
 
 extern volatile char TempCelsiusDisplay[];
+extern double tempCelsiusDouble;
 void init_temp_sensor();
 void check_temp();
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