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#![allow(non_snake_case, non_upper_case_globals)]
#![allow(non_camel_case_types)]
//! OctoSPI
//!
//! Used by: stm32l4r5, stm32l4r9
#[cfg(not(feature = "nosync"))]
pub use crate::stm32l4::peripherals::octospi::Instance;
pub use crate::stm32l4::peripherals::octospi::{RegisterBlock, ResetValues};
pub use crate::stm32l4::peripherals::octospi::{
ABR, AR, CCR, CR, DCR1, DCR2, DCR3, DLR, DR, FCR, HLCR, HWCFGR, ID, IR, LPTR, MID, PIR, PSMAR,
PSMKR, SR, TCR, VER, WABR, WCCR, WIR, WTCR,
};
/// Access functions for the OCTOSPI1 peripheral instance
pub mod OCTOSPI1 {
use super::ResetValues;
#[cfg(not(feature = "nosync"))]
use super::Instance;
#[cfg(not(feature = "nosync"))]
const INSTANCE: Instance = Instance {
addr: 0xa0001000,
_marker: ::core::marker::PhantomData,
};
/// Reset values for each field in OCTOSPI1
pub const reset: ResetValues = ResetValues {
CR: 0x00000000,
DCR1: 0x00000000,
DCR2: 0x00000000,
DCR3: 0x00000000,
SR: 0x00000000,
FCR: 0x00000000,
DLR: 0x00000000,
AR: 0x00000000,
DR: 0x00000000,
PSMKR: 0x00000000,
PSMAR: 0x00000000,
PIR: 0x00000000,
CCR: 0x00000000,
TCR: 0x00000000,
IR: 0x00000000,
ABR: 0x00000000,
LPTR: 0x00000000,
WCCR: 0x00000000,
WTCR: 0x00000000,
WIR: 0x00000000,
WABR: 0x00000000,
HLCR: 0x00000000,
HWCFGR: 0x11300080,
VER: 0x00000010,
ID: 0x00140041,
MID: 0xA3C5DD01,
};
#[cfg(not(feature = "nosync"))]
#[allow(renamed_and_removed_lints)]
#[allow(private_no_mangle_statics)]
#[no_mangle]
static mut OCTOSPI1_TAKEN: bool = false;
/// Safe access to OCTOSPI1
///
/// 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 OCTOSPI1_TAKEN {
None
} else {
OCTOSPI1_TAKEN = true;
Some(INSTANCE)
}
})
}
/// Release exclusive access to OCTOSPI1
///
/// 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 OCTOSPI1_TAKEN && inst.addr == INSTANCE.addr {
OCTOSPI1_TAKEN = false;
} else {
panic!("Released a peripheral which was not taken");
}
});
}
/// Unsafely steal OCTOSPI1
///
/// 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 {
OCTOSPI1_TAKEN = true;
INSTANCE
}
}
/// Raw pointer to OCTOSPI1
///
/// 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 OCTOSPI1: *const RegisterBlock = 0xa0001000 as *const _;
/// Access functions for the OCTOSPI2 peripheral instance
pub mod OCTOSPI2 {
use super::ResetValues;
#[cfg(not(feature = "nosync"))]
use super::Instance;
#[cfg(not(feature = "nosync"))]
const INSTANCE: Instance = Instance {
addr: 0xa0001400,
_marker: ::core::marker::PhantomData,
};
/// Reset values for each field in OCTOSPI2
pub const reset: ResetValues = ResetValues {
CR: 0x00000000,
DCR1: 0x00000000,
DCR2: 0x00000000,
DCR3: 0x00000000,
SR: 0x00000000,
FCR: 0x00000000,
DLR: 0x00000000,
AR: 0x00000000,
DR: 0x00000000,
PSMKR: 0x00000000,
PSMAR: 0x00000000,
PIR: 0x00000000,
CCR: 0x00000000,
TCR: 0x00000000,
IR: 0x00000000,
ABR: 0x00000000,
LPTR: 0x00000000,
WCCR: 0x00000000,
WTCR: 0x00000000,
WIR: 0x00000000,
WABR: 0x00000000,
HLCR: 0x00000000,
HWCFGR: 0x11300080,
VER: 0x00000010,
ID: 0x00140041,
MID: 0xA3C5DD01,
};
#[cfg(not(feature = "nosync"))]
#[allow(renamed_and_removed_lints)]
#[allow(private_no_mangle_statics)]
#[no_mangle]
static mut OCTOSPI2_TAKEN: bool = false;
/// Safe access to OCTOSPI2
///
/// 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 OCTOSPI2_TAKEN {
None
} else {
OCTOSPI2_TAKEN = true;
Some(INSTANCE)
}
})
}
/// Release exclusive access to OCTOSPI2
///
/// 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 OCTOSPI2_TAKEN && inst.addr == INSTANCE.addr {
OCTOSPI2_TAKEN = false;
} else {
panic!("Released a peripheral which was not taken");
}
});
}
/// Unsafely steal OCTOSPI2
///
/// 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 {
OCTOSPI2_TAKEN = true;
INSTANCE
}
}
/// Raw pointer to OCTOSPI2
///
/// 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 OCTOSPI2: *const RegisterBlock = 0xa0001400 as *const _;