1\add uart4 receiver,receive RTC time and 1588\ntp status from FPGA. 2,modify usb notify display
1,fix uart4 receiver bug, the data and FPGA status can be parsed correctly.
1,set system time correctly.
1,modify the lat,lon display format 2,rawephem is ok
nothing added
1,set time stamp to the logfile name from GPS message GPZDA. 2,initialization time dispaly number
add new pic for display title,change the title character to picture
add nothing