Struct Format 

pub struct Format {
    pub magic: [u8; 4],
    pub max_entries: usize,
}

What an application must agree with its packer about.

Everything else a bundle needs to describe is in the bundle.

Fields

magic: [u8; 4]

Four bytes identifying which application a bundle was built for, so that one board rejects another’s update.

It is compiled into the firmware and written by the packer, and it is the only compatibility check there is: nothing else in a bundle says which board it belongs to. A project shipping more than one architecture should therefore vary it — WAT7 against WAT8 — since an image for the wrong architecture is otherwise a bundle that installs perfectly and does not boot.

max_entries: usize

Most entries to accept.

A bound on what a single upload can ask the device to write, checked before any entry is walked.

Trait Implementations

impl Clone for Format

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Format

impl Debug for Format

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for Format

impl PartialEq for Format

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Format