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FrameParser

Struct FrameParser 

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pub struct FrameParser {
    state: State,
    cmd: u8,
    len: u8,
    payload: Vec<u8, MAX_PAYLOAD>,
}
Expand description

Décodeur octet-par-octet : les octets USB arrivent en paquets de taille arbitraire, on accumule jusqu’à une trame complète. Resynchronise tout seul sur le start byte si on tombe au milieu d’un flux.

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§state: State§cmd: u8§len: u8§payload: Vec<u8, MAX_PAYLOAD>

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impl FrameParser

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pub fn new() -> Self

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pub fn push(&mut self, byte: u8) -> Result<Option<Command>, ProtoError>

Pousse un octet. Renvoie :

  • Ok(Some(cmd)) quand une trame complète et valide vient d’être décodée,
  • Ok(None) quand il faut encore des octets,
  • Err(_) sur trame invalide (le parser se réinitialise alors).
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fn decode(&self) -> Result<Command, ProtoError>

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fn reset(&mut self)

Trait Implementations§

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impl Default for FrameParser

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fn default() -> Self

Returns the “default value” for a type. Read more

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