Module util 

Small helpers shared across the command modules.

Functions

await_any_frame

Like await_reply but offers every frame, not only the card’s.

await_reply

Poll dev until wait runs out or pick accepts a frame from the card.

contains_lattice_header

True when a bitstream header appears anywhere in d.

has_lattice_header

True when a bitstream’s text header sits within its first 256 bytes.

hex

Two lowercase hex digits per byte, sep between them.

hexdump

is_card_frame

True for frames sent by the card back to the PC.

is_our_frame

True for our own transmissions, which the kernel loops back to us.

is_sender_frame

True for frames sent by the sender/PC to the card.

mac

Format a MAC address for display.

open

Open the raw link on the context’s interface.

parse_color

RRGGBB (optionally #-prefixed) or three decimal components.

warn

A non-fatal problem, on stderr in the same shape as an error.