created separate function for hex to char

Dependencies:   SDFileSystem ds3231 eeprom_Nikita mbed testUniGraphic_150217

Fork of SS_SensePOC2P0_11Dec2017_USERPID by rashmi v

Revisions of display_modules.h

Revision Date Message Actions
72:1f990fa8c516 2017-12-06 merged Sd card issue and eeprom issue File  Diff  Annotate
67:7e07cdb1b150 2017-11-20 Added ; - set_userpid function in bt.cpp; - get_userpid function in main.cpp File  Diff  Annotate
49:3ff80c4bc1be 2017-09-15 Merged code -2; it includes sd card read, delete , entering into the debug mode and lpf for ecg - need to be tested File  Diff  Annotate
39:69b09bd87502 2017-08-11 Code used for deployment of POC3 on 11th august 2017. File  Diff  Annotate
37:92fcbf22bf91 2017-07-29 Modification carried out by Nikita related to display screen timeout + Battery monitoring. File  Diff  Annotate
31:0f67acfc6236 2017-07-15 new display code 15/07/17 File  Diff  Annotate
22:ffa88619551d 2017-06-23 Code with Battery monitoring(commented), glc modified, bt modified, pid modified File  Diff  Annotate
20:7c64e6ecad76 2017-06-17 poc code with finger detect and leadoff File  Diff  Annotate
15:208b146151ba 2017-06-05 Heart rate is calculated; GLC - Not working File  Diff  Annotate
13:5d3b478ea9c7 2017-05-27 This code has ECG functionality with HRD calculation, BP, BG, new display File  Diff  Annotate
6:5e33a0f01476 2017-04-01 Has all three functionalities-ECG, BG, BP and have resolved jumping issue. Have added return functionality from BP and SYS_CONFIG screens.; But still facing "hanging issue" whenever BP test is performed first. File  Diff  Annotate
4:6bd81bb1790d 2017-03-01 POC code with eeprom File  Diff  Annotate
3:9a06c2bed650 2017-02-10 Peak detect to 400 samples File  Diff  Annotate
1:8316c23ec6b9 2017-01-30 POC code File  Diff  Annotate
0:c47fb0c1bbf6 2016-12-27 poc display File  Diff  Annotate