#[doc = r"Enumeration of all the interrupts."]
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
#[repr(u16)]
pub enum Interrupt {
#[doc = "1 - UART0"]
UART0 = 1,
#[doc = "2 - UART1"]
UART1 = 2,
#[doc = "3 - UART2"]
UART2 = 3,
#[doc = "4 - UART3"]
UART3 = 4,
#[doc = "19 - GPIO"]
GPIO = 19,
#[doc = "20 - SYSCTL"]
SYSCTL = 20,
}
#[doc = r" TryFromInterruptError"]
#[derive(Debug, Copy, Clone)]
pub struct TryFromInterruptError(());
impl Interrupt {
#[doc = r" Attempt to convert a given value into an `Interrupt`"]
#[inline]
pub fn try_from(value: u8) -> Result<Self, TryFromInterruptError> {
match value {
1 => Ok(Interrupt::UART0),
2 => Ok(Interrupt::UART1),
3 => Ok(Interrupt::UART2),
4 => Ok(Interrupt::UART3),
19 => Ok(Interrupt::GPIO),
20 => Ok(Interrupt::SYSCTL),
_ => Err(TryFromInterruptError(())),
}
}
}
#[cfg(feature = "rt")]
#[macro_export]
#[doc = r" Assigns a handler to an interrupt"]
#[doc = r""]
#[doc = r" This macro takes two arguments: the name of an interrupt and the path to the"]
#[doc = r" function that will be used as the handler of that interrupt. That function"]
#[doc = r" must have signature `fn()`."]
#[doc = r""]
#[doc = r" Optionally, a third argument may be used to declare interrupt local data."]
#[doc = r" The handler will have exclusive access to these *local* variables on each"]
#[doc = r" invocation. If the third argument is used then the signature of the handler"]
#[doc = r" function must be `fn(&mut $NAME::Locals)` where `$NAME` is the first argument"]
#[doc = r" passed to the macro."]
#[doc = r""]
#[doc = r" # Example"]
#[doc = r""]
#[doc = r" ``` ignore"]
#[doc = r" interrupt!(TIM2, periodic);"]
#[doc = r""]
#[doc = r" fn periodic() {"]
#[doc = r#" print!(".");"#]
#[doc = r" }"]
#[doc = r""]
#[doc = r" interrupt!(TIM3, tick, locals: {"]
#[doc = r" tick: bool = false;"]
#[doc = r" });"]
#[doc = r""]
#[doc = r" fn tick(locals: &mut TIM3::Locals) {"]
#[doc = r" locals.tick = !locals.tick;"]
#[doc = r""]
#[doc = r" if locals.tick {"]
#[doc = r#" println!("Tick");"#]
#[doc = r" } else {"]
#[doc = r#" println!("Tock");"#]
#[doc = r" }"]
#[doc = r" }"]
#[doc = r" ```"]
macro_rules ! interrupt { ( $ NAME : ident , $ path : path , locals : { $ ( $ lvar : ident : $ lty : ty = $ lval : expr ; ) * } ) => { # [ allow ( non_snake_case ) ] mod $ NAME { pub struct Locals { $ ( pub $ lvar : $ lty , ) * } } # [ allow ( non_snake_case ) ] # [ no_mangle ] pub extern "C" fn $ NAME ( ) { let _ = $ crate :: interrupt :: Interrupt :: $ NAME ; static mut LOCALS : self :: $ NAME :: Locals = self :: $ NAME :: Locals { $ ( $ lvar : $ lval , ) * } ; let f : fn ( & mut self :: $ NAME :: Locals ) = $ path ; f ( unsafe { & mut LOCALS } ) ; } } ; ( $ NAME : ident , $ path : path ) => { # [ allow ( non_snake_case ) ] # [ no_mangle ] pub extern "C" fn $ NAME ( ) { let _ = $ crate :: interrupt :: Interrupt :: $ NAME ; let f : fn ( ) = $ path ; f ( ) ; } } }