A UF2 file consists of multiple 512-byte blocks. Each block contains:
Understanding how a closed-source peripheral communicates with a host. uf2 decompiler
ptr = 0 chunks = {}
A UF2 file is a sequence of 512-byte blocks. A UF2 file consists of multiple 512-byte blocks
If the UF2 is for a , the architecture is ARM Cortex-M0+ (little endian) . uf2 decompiler
Once you have the raw binary (usually ARM Thumb code for devices like the RP2040), you need a disassembler to see the logic.
We don't need to write the disassembler from scratch. We use Capstone for ARM and llvm-mc or Xtensa plugins for the others.