76 lines
1.8 KiB
Rust
76 lines
1.8 KiB
Rust
//! ## References
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//!
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//! * <https://www.usb.org/sites/default/files/hut1_3_0.pdf>
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macro_rules! usage {
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{ [$page:literal] $($i:literal $v:ident)* } => {
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pub const PAGE: u16 = $page;
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[non_exhaustive]
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pub enum Usage {
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$($v,)*
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Unknown(u16),
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}
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pub(crate) fn from_raw(raw: u16) -> Usage {
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use Usage::*;
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match raw {
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$($i => $v,)*
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r => Unknown(r),
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}
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}
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};
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}
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pub mod generic_desktop;
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pub mod button;
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macro_rules! page {
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{ $($v:ident $m:ident)* } => {
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[non_exhaustive]
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pub enum UsagePage {
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$($v,)*
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Unknown(u16),
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}
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impl UsagePage {
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pub(crate) fn from_raw(raw: u16) -> Self {
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match raw {
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$($m::PAGE => Self::$v,)*
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r => Self::Unknown(r),
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}
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}
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pub(crate) fn as_raw(&self) -> u16 {
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match self {
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$(Self::$v => $m::PAGE,)*
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Self::Unknown(n) => *n,
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}
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}
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}
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[non_exhaustive]
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pub enum Usage {
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$($v($m::Usage),)*
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Unknown(u16, u16),
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}
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impl Usage {
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pub(crate) fn from_raw(page: u16, id: u16) -> Self {
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match page {
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$($m::PAGE => Self::$v($m::from_raw(id)),)*
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_ => Self::Unknown(page, id),
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}
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}
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}
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};
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}
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page! {
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GenericDesktop generic_desktop
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Button button
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}
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