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:
41:1141a75eacc4
Parent:
38:7238f3531ce9
Child:
49:3ff80c4bc1be
--- a/touch_modules.cpp	Sun Aug 20 16:21:54 2017 +0000
+++ b/touch_modules.cpp	Fri Sep 08 10:35:21 2017 +0000
@@ -203,17 +203,17 @@
                  else if ( ((xt >=RETEST_HOME_X_MIN) && (xt<=RETEST_HOME_X_MAX)) && ( (yt>=RETEST_HOME_Y_MIN) && (yt<=RETEST_HOME_Y_MAX) ) ) // RETEST
                        {
                                  if (type==0)
-                                     state=7;
+                                    state=7;
                                  else if (type==1)
-                                     state=8;
-                                     else if (type==2)
-                                     state=9;
+                                    state=8;
+                                else if (type==2)
+                                    state=9;
                         }
-                       else if (xt==0 && yt==0)
-                  {
+                else if (xt==0 && yt==0)
+                {
                       state=3;
-                       }
-              else 
+                }
+                else 
                      state=10;                      
            return state;
     }