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#![allow(non_snake_case, non_upper_case_globals)]
#![allow(non_camel_case_types)]
//! Power control
//!
//! Used by: stm32l552, stm32l562
#[cfg(not(feature = "nosync"))]
pub use crate::stm32l5::peripherals::pwr::Instance;
pub use crate::stm32l5::peripherals::pwr::{RegisterBlock, ResetValues};
pub use crate::stm32l5::peripherals::pwr::{
CR1, CR2, CR3, CR4, PDCRA, PDCRB, PDCRC, PDCRD, PDCRE, PDCRF, PDCRG, PDCRH, PRIVCFGR, PUCRA,
PUCRB, PUCRC, PUCRD, PUCRE, PUCRF, PUCRG, PUCRH, SCR, SECCFGR, SR1, SR2,
};
/// Access functions for the PWR peripheral instance
pub mod PWR {
use super::ResetValues;
#[cfg(not(feature = "nosync"))]
use super::Instance;
#[cfg(not(feature = "nosync"))]
const INSTANCE: Instance = Instance {
addr: 0x40007000,
_marker: ::core::marker::PhantomData,
};
/// Reset values for each field in PWR
pub const reset: ResetValues = ResetValues {
CR1: 0x00000400,
CR2: 0x00000000,
CR3: 0x00000000,
CR4: 0x00000000,
SR1: 0x00000000,
SR2: 0x00000000,
SCR: 0x00000000,
PUCRA: 0x00000000,
PDCRA: 0x00000000,
PUCRB: 0x00000000,
PDCRB: 0x00000000,
PUCRC: 0x00000000,
PDCRC: 0x00000000,
PUCRD: 0x00000000,
PDCRD: 0x00000000,
PUCRE: 0x00000000,
PDCRE: 0x00000000,
PUCRF: 0x00000000,
PDCRF: 0x00000000,
PUCRG: 0x00000000,
PDCRG: 0x00000000,
PUCRH: 0x00000000,
PDCRH: 0x00000000,
SECCFGR: 0x00000000,
PRIVCFGR: 0x00000000,
};
#[cfg(not(feature = "nosync"))]
#[allow(renamed_and_removed_lints)]
#[allow(private_no_mangle_statics)]
#[no_mangle]
static mut PWR_TAKEN: bool = false;
/// Safe access to PWR
///
/// This function returns `Some(Instance)` if this instance is not
/// currently taken, and `None` if it is. This ensures that if you
/// do get `Some(Instance)`, you are ensured unique access to
/// the peripheral and there cannot be data races (unless other
/// code uses `unsafe`, of course). You can then pass the
/// `Instance` around to other functions as required. When you're
/// done with it, you can call `release(instance)` to return it.
///
/// `Instance` itself dereferences to a `RegisterBlock`, which
/// provides access to the peripheral's registers.
#[cfg(not(feature = "nosync"))]
#[inline]
pub fn take() -> Option<Instance> {
external_cortex_m::interrupt::free(|_| unsafe {
if PWR_TAKEN {
None
} else {
PWR_TAKEN = true;
Some(INSTANCE)
}
})
}
/// Release exclusive access to PWR
///
/// This function allows you to return an `Instance` so that it
/// is available to `take()` again. This function will panic if
/// you return a different `Instance` or if this instance is not
/// already taken.
#[cfg(not(feature = "nosync"))]
#[inline]
pub fn release(inst: Instance) {
external_cortex_m::interrupt::free(|_| unsafe {
if PWR_TAKEN && inst.addr == INSTANCE.addr {
PWR_TAKEN = false;
} else {
panic!("Released a peripheral which was not taken");
}
});
}
/// Unsafely steal PWR
///
/// This function is similar to take() but forcibly takes the
/// Instance, marking it as taken irregardless of its previous
/// state.
#[cfg(not(feature = "nosync"))]
#[inline]
pub unsafe fn steal() -> Instance {
PWR_TAKEN = true;
INSTANCE
}
}
/// Raw pointer to PWR
///
/// Dereferencing this is unsafe because you are not ensured unique
/// access to the peripheral, so you may encounter data races with
/// other users of this peripheral. It is up to you to ensure you
/// will not cause data races.
///
/// This constant is provided for ease of use in unsafe code: you can
/// simply call for example `write_reg!(gpio, GPIOA, ODR, 1);`.
pub const PWR: *const RegisterBlock = 0x40007000 as *const _;
/// Access functions for the SEC_PWR peripheral instance
pub mod SEC_PWR {
use super::ResetValues;
#[cfg(not(feature = "nosync"))]
use super::Instance;
#[cfg(not(feature = "nosync"))]
const INSTANCE: Instance = Instance {
addr: 0x50007000,
_marker: ::core::marker::PhantomData,
};
/// Reset values for each field in SEC_PWR
pub const reset: ResetValues = ResetValues {
CR1: 0x00000400,
CR2: 0x00000000,
CR3: 0x00000000,
CR4: 0x00000000,
SR1: 0x00000000,
SR2: 0x00000000,
SCR: 0x00000000,
PUCRA: 0x00000000,
PDCRA: 0x00000000,
PUCRB: 0x00000000,
PDCRB: 0x00000000,
PUCRC: 0x00000000,
PDCRC: 0x00000000,
PUCRD: 0x00000000,
PDCRD: 0x00000000,
PUCRE: 0x00000000,
PDCRE: 0x00000000,
PUCRF: 0x00000000,
PDCRF: 0x00000000,
PUCRG: 0x00000000,
PDCRG: 0x00000000,
PUCRH: 0x00000000,
PDCRH: 0x00000000,
SECCFGR: 0x00000000,
PRIVCFGR: 0x00000000,
};
#[cfg(not(feature = "nosync"))]
#[allow(renamed_and_removed_lints)]
#[allow(private_no_mangle_statics)]
#[no_mangle]
static mut SEC_PWR_TAKEN: bool = false;
/// Safe access to SEC_PWR
///
/// This function returns `Some(Instance)` if this instance is not
/// currently taken, and `None` if it is. This ensures that if you
/// do get `Some(Instance)`, you are ensured unique access to
/// the peripheral and there cannot be data races (unless other
/// code uses `unsafe`, of course). You can then pass the
/// `Instance` around to other functions as required. When you're
/// done with it, you can call `release(instance)` to return it.
///
/// `Instance` itself dereferences to a `RegisterBlock`, which
/// provides access to the peripheral's registers.
#[cfg(not(feature = "nosync"))]
#[inline]
pub fn take() -> Option<Instance> {
external_cortex_m::interrupt::free(|_| unsafe {
if SEC_PWR_TAKEN {
None
} else {
SEC_PWR_TAKEN = true;
Some(INSTANCE)
}
})
}
/// Release exclusive access to SEC_PWR
///
/// This function allows you to return an `Instance` so that it
/// is available to `take()` again. This function will panic if
/// you return a different `Instance` or if this instance is not
/// already taken.
#[cfg(not(feature = "nosync"))]
#[inline]
pub fn release(inst: Instance) {
external_cortex_m::interrupt::free(|_| unsafe {
if SEC_PWR_TAKEN && inst.addr == INSTANCE.addr {
SEC_PWR_TAKEN = false;
} else {
panic!("Released a peripheral which was not taken");
}
});
}
/// Unsafely steal SEC_PWR
///
/// This function is similar to take() but forcibly takes the
/// Instance, marking it as taken irregardless of its previous
/// state.
#[cfg(not(feature = "nosync"))]
#[inline]
pub unsafe fn steal() -> Instance {
SEC_PWR_TAKEN = true;
INSTANCE
}
}
/// Raw pointer to SEC_PWR
///
/// Dereferencing this is unsafe because you are not ensured unique
/// access to the peripheral, so you may encounter data races with
/// other users of this peripheral. It is up to you to ensure you
/// will not cause data races.
///
/// This constant is provided for ease of use in unsafe code: you can
/// simply call for example `write_reg!(gpio, GPIOA, ODR, 1);`.
pub const SEC_PWR: *const RegisterBlock = 0x50007000 as *const _;