normal commit
Merge branch 'new_at_process' of https://github.com/GuoZhiyong/RTT_GPS_STUSB into new_at_process

Conflicts:
	bsp/stm32f40x_car/applications/jt808.c
	bsp/stm32f40x_car/project.uvopt
Merge branch 'new_at_process' of https://github.com/GuoZhiyong/RTT_GPS_STUSB into new_at_process
normal commit,主要修改gps的处理
normal commit