ok, i'm look this structure
ID HH X1 Y1 X2 Y2 R1 L1 B1 B2 CH
03 0F 7F 7F 7F 7F 00 00 00 00 64
ID - report id (constant)
HH - hat (d-pad)
X1, Y1 - left analog
X2, Y2 - right analog
R1, L1 - analog triggers
B1, B2 - 16 buttons
CH - battery charge level
Now you need to determine the correspondence of the buttons, press the button on the controller and write down the value B1 B2, this must be done for all buttons