created separate function for hex to char

Dependencies:   SDFileSystem ds3231 eeprom_Nikita mbed testUniGraphic_150217

Fork of SS_SensePOC2P0_11Dec2017_USERPID by rashmi v

Revision:
52:7d9ff7781bdc
Parent:
51:1a4693774b60
Child:
53:cc6e65480a67
--- a/main.cpp	Wed Sep 20 07:48:55 2017 +0000
+++ b/main.cpp	Wed Sep 20 10:33:17 2017 +0000
@@ -623,7 +623,7 @@
 
 bool read_debug_status()
 {
-    gc.printf("debug_mode=%d\n",debug_mode); 
+   // gc.printf("debug_mode=%d\n",debug_mode); 
     return debug_mode;
 }