inject at frame 3400
[+] challenge ef bc dd d7 00 00 db ac 02 63 a8 c0 ef b4 dd d8
[+] reply     2d ec e8 aa c8 72 a2 ac c0 66 b6 ef 05 b8 35 97
opcode 7 -> flag=0x00 payload=44 6f 6e 65 0a 00 (b'Done\n\x00')
poke-file dwt/visual/build/drawspin.bin: 118 bytes at 0x01840000: ok
jump 0x01840000: NO RETURN within 0.01s
client done at frame 3415