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
Child:
42:c81673b04b6a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.h	Fri Sep 08 10:35:21 2017 +0000
@@ -0,0 +1,19 @@
+#ifndef MAIN_H_
+#define MAIN_H_
+
+uint8_t touch(uint8_t);
+uint8_t display(uint8_t);
+
+bool get_filecreated_status(void);                  //get status of file created
+void set_filecreated_status(void);                  //set file created
+void clear_filecreated_status(void);                //clear file created
+
+static uint32_t current_test_pid = 0;
+static uint32_t  bt_file_sent_pid = 0; 
+static uint8_t nstate = 0;
+static uint8_t nstate1 = 0;         
+static uint32_t pid_btpid[2] = {};               //buffer to store pid and btpid
+
+
+#endif
+