---- due_upload_trajectory ------
duepp: Sending prog size: 28 D serial.available = 12
D serial.readString = 28 size ok


duepp: Sending program: 
program->dpos: 28
---- send ------
D serial.available = 0
D serial.readString = 
D serial.available = 23
D serial.readString = 125 101 data received