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#[macro_export]
macro_rules! reg {
($ty:ident, $target:ty, $peripheral:path, $field:ident) => {
unsafe impl $crate::traits::reg_proxy::Reg for $ty {
type Target = $target;
fn get() -> *const Self::Target {
unsafe { &(*<$peripheral>::ptr()).$field as *const $ty }
}
}
};
}
#[macro_export]
macro_rules! reg_cluster {
($ty:ident, $target:ty, $peripheral:path, $field:ident) => {
unsafe impl $crate::traits::reg_proxy::RegCluster for $ty {
type Target = $target;
fn get() -> *const [Self::Target] {
unsafe { &(*<$peripheral>::ptr()).$field as *const [$ty] }
}
}
};
}
#[macro_export]
macro_rules! wrap_always_on_peripheral {
($hal_name:ident, $pac_name:ident) => {
use crate::raw;
pub struct $hal_name {
pub(crate) raw: raw::$pac_name,
}
impl core::convert::From<raw::$pac_name> for $hal_name {
fn from(raw: raw::$pac_name) -> Self {
$hal_name::new(raw)
}
}
impl $hal_name {
fn new(raw: raw::$pac_name) -> Self {
$hal_name { raw }
}
pub unsafe fn steal() -> Self {
Self::new(raw::Peripherals::steal().$pac_name)
}
pub fn release(self) -> raw::$pac_name {
self.raw
}
}
};
}
#[macro_export]
macro_rules! wrap_stateful_peripheral {
($hal_name:ident, $pac_name:ident) => {
pub struct $hal_name<State = init_state::Unknown> {
pub(crate) raw: raw::$pac_name,
pub _state: State,
}
impl core::convert::From<raw::$pac_name> for $hal_name {
fn from(raw: raw::$pac_name) -> Self {
$hal_name::new(raw)
}
}
impl $hal_name {
fn new(raw: raw::$pac_name) -> Self {
$hal_name {
raw,
_state: init_state::Unknown,
}
}
pub unsafe fn steal() -> Self {
Self::new(raw::Peripherals::steal().$pac_name)
}
}
impl<State> $hal_name<State> {
pub fn release(self) -> raw::$pac_name {
self.raw
}
}
};
}
#[macro_export]
macro_rules! stateful_peripheral_enable_disable {
($hal_name:ident) => {
impl $hal_name {
pub fn enabled(mut self, syscon: &mut syscon::Syscon) -> $hal_name<init_state::Enabled> {
syscon.enable_clock(&mut self.raw);
$hal_name {
raw: self.raw,
_state: init_state::Enabled(()),
}
}
pub fn disabled(mut self, syscon: &mut syscon::Syscon) -> $hal_name<init_state::Disabled> {
syscon.disable_clock(&mut self.raw);
$hal_name {
raw: self.raw,
_state: init_state::Disabled,
}
}
}
}
}
#[macro_export]
macro_rules! reg_read {
($peripheral:ident, $register:ident, $field:ident, $what:ident) => {
unsafe { &(*hal::raw::$peripheral::ptr()) }.$register.read().$field().$what()
};
($peripheral:ident, $register:ident, $field:ident) => {
unsafe { &(*hal::raw::$peripheral::ptr()) }.$register.read().$field().bits()
};
($peripheral:ident, $register:ident) => {
unsafe { &(*hal::raw::$peripheral::ptr()) }.$register.read().bits()
};
}