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:
53:cc6e65480a67
Parent:
49:3ff80c4bc1be
--- a/touch_modules.h	Wed Sep 20 10:33:17 2017 +0000
+++ b/touch_modules.h	Wed Sep 20 11:02:08 2017 +0000
@@ -21,21 +21,26 @@
 #define BT_MAIN_Y_MIN 50
 #define BT_MAIN_Y_MAX 130
 
-#define DELETE_MAIN_X_MIN 110           //ERASE_MAIN CHANGED TO DELETE_MAIN 21/07/17
-#define DELETE_MAIN_X_MAX 145
-#define DELETE_MAIN_Y_MIN 180
-#define DELETE_MAIN_Y_MAX 260
+#define PATIENT_INFO_MAIN_X_MIN  110                                            //ERASE_MAIN CHANGED TO DELETE_MAIN 21/07/17
+#define PATIENT_INFO_MAIN_X_MAX 145
+#define PATIENT_INFO_MAIN_Y_MIN 180
+#define PATIENT_INFO_MAIN_Y_MAX 260
 
-#define PATIENT_INFO_MAIN_X_MIN 60     //FILE CHANGED TO PATIENT_INFO 21/07/17
-#define PATIENT_INFO_MAIN_X_MAX 90
-#define PATIENT_INFO_MAIN_Y_MIN 50
-#define PATIENT_INFO_MAIN_Y_MAX 130
+#define HOME_SYS_CONFIG_X_MIN 60                                                     
+#define HOME_SYS_CONFIG_X_MAX 90
+#define HOME_SYS_CONFIG_Y_MIN 50
+#define HOME_SYS_CONFIG_Y_MAX 130
 
 #define HOME_MAIN_X_MIN 60
 #define HOME_MAIN_X_MAX 90
 #define HOME_MAIN_Y_MIN 180
 #define HOME_MAIN_Y_MAX 260
 
+#define DEBUG_MAIN_X_MIN 60
+#define DEBUG_MAIN_X_MAX 90
+#define DEBUG_MAIN_Y_MIN 180
+#define DEBUG_MAIN_Y_MAX 260
+
 #define BG_MAIN_X_MIN 110
 #define BG_MAIN_X_MAX 140
 #define BG_MAIN_Y_MIN 50