Pdf | Rpul

| Problem | Likely Cause | Solution from PDF | |---------|--------------|--------------------| | No handshake response | Wrong baud rate | Set 115200 8N1, no flow control | | Payload crashes after 1 second | Missing stack pointer init | Set SP to 0x8000 - 16 | | Checksum mismatch | Binary includes BSS section | Use --only-section=.text | | Pi reboots in a loop | Payload too large (>64KB) | Split into multiple stages |