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#![allow(non_snake_case, non_upper_case_globals)]
#![allow(non_camel_case_types)]
//! Direct memory access Multiplexer
//!
//! Used by: stm32l552, stm32l562
#[cfg(not(feature = "nosync"))]
pub use crate::stm32l5::peripherals::dmamux1::Instance;
pub use crate::stm32l5::peripherals::dmamux1::{RegisterBlock, ResetValues};
pub use crate::stm32l5::peripherals::dmamux1::{
C0CR, C10CR, C11CR, C12CR, C13CR, C14CR, C15CR, C1CR, C2CR, C3CR, C4CR, C5CR, C6CR, C7CR, C8CR,
C9CR, CCFR, CSR, RG0CR, RG1CR, RG2CR, RG3CR, RGCFR, RGSR,
};
/// Access functions for the DMAMUX1 peripheral instance
pub mod DMAMUX1 {
use super::ResetValues;
#[cfg(not(feature = "nosync"))]
use super::Instance;
#[cfg(not(feature = "nosync"))]
const INSTANCE: Instance = Instance {
addr: 0x40020800,
_marker: ::core::marker::PhantomData,
};
/// Reset values for each field in DMAMUX1
pub const reset: ResetValues = ResetValues {
C0CR: 0x00000000,
C1CR: 0x00000000,
C2CR: 0x00000000,
C3CR: 0x00000000,
C4CR: 0x00000000,
C5CR: 0x00000000,
C6CR: 0x00000000,
C7CR: 0x00000000,
C8CR: 0x00000000,
C9CR: 0x00000000,
C10CR: 0x00000000,
C11CR: 0x00000000,
C12CR: 0x00000000,
C13CR: 0x00000000,
CSR: 0x00000000,
CCFR: 0x00000000,
RG0CR: 0x00000000,
RG1CR: 0x00000000,
RG2CR: 0x00000000,
RG3CR: 0x00000000,
RGSR: 0x00000000,
RGCFR: 0x00000000,
C14CR: 0x00000000,
C15CR: 0x00000000,
};
#[cfg(not(feature = "nosync"))]
#[allow(renamed_and_removed_lints)]
#[allow(private_no_mangle_statics)]
#[no_mangle]
static mut DMAMUX1_TAKEN: bool = false;
/// Safe access to DMAMUX1
///
/// 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 DMAMUX1_TAKEN {
None
} else {
DMAMUX1_TAKEN = true;
Some(INSTANCE)
}
})
}
/// Release exclusive access to DMAMUX1
///
/// 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 DMAMUX1_TAKEN && inst.addr == INSTANCE.addr {
DMAMUX1_TAKEN = false;
} else {
panic!("Released a peripheral which was not taken");
}
});
}
/// Unsafely steal DMAMUX1
///
/// 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 {
DMAMUX1_TAKEN = true;
INSTANCE
}
}
/// Raw pointer to DMAMUX1
///
/// 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 DMAMUX1: *const RegisterBlock = 0x40020800 as *const _;
/// Access functions for the SEC_DMAMUX1 peripheral instance
pub mod SEC_DMAMUX1 {
use super::ResetValues;
#[cfg(not(feature = "nosync"))]
use super::Instance;
#[cfg(not(feature = "nosync"))]
const INSTANCE: Instance = Instance {
addr: 0x50020800,
_marker: ::core::marker::PhantomData,
};
/// Reset values for each field in SEC_DMAMUX1
pub const reset: ResetValues = ResetValues {
C0CR: 0x00000000,
C1CR: 0x00000000,
C2CR: 0x00000000,
C3CR: 0x00000000,
C4CR: 0x00000000,
C5CR: 0x00000000,
C6CR: 0x00000000,
C7CR: 0x00000000,
C8CR: 0x00000000,
C9CR: 0x00000000,
C10CR: 0x00000000,
C11CR: 0x00000000,
C12CR: 0x00000000,
C13CR: 0x00000000,
CSR: 0x00000000,
CCFR: 0x00000000,
RG0CR: 0x00000000,
RG1CR: 0x00000000,
RG2CR: 0x00000000,
RG3CR: 0x00000000,
RGSR: 0x00000000,
RGCFR: 0x00000000,
C14CR: 0x00000000,
C15CR: 0x00000000,
};
#[cfg(not(feature = "nosync"))]
#[allow(renamed_and_removed_lints)]
#[allow(private_no_mangle_statics)]
#[no_mangle]
static mut SEC_DMAMUX1_TAKEN: bool = false;
/// Safe access to SEC_DMAMUX1
///
/// 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_DMAMUX1_TAKEN {
None
} else {
SEC_DMAMUX1_TAKEN = true;
Some(INSTANCE)
}
})
}
/// Release exclusive access to SEC_DMAMUX1
///
/// 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_DMAMUX1_TAKEN && inst.addr == INSTANCE.addr {
SEC_DMAMUX1_TAKEN = false;
} else {
panic!("Released a peripheral which was not taken");
}
});
}
/// Unsafely steal SEC_DMAMUX1
///
/// 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_DMAMUX1_TAKEN = true;
INSTANCE
}
}
/// Raw pointer to SEC_DMAMUX1
///
/// 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_DMAMUX1: *const RegisterBlock = 0x50020800 as *const _;