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#![allow(non_snake_case, non_upper_case_globals)]
#![allow(non_camel_case_types)]
//! USB on the go full speed
//!
//! Used by: stm32f412, stm32f469
#[cfg(not(feature = "nosync"))]
pub use crate::stm32f4::peripherals::otg_fs_device_v2::Instance;
pub use crate::stm32f4::peripherals::otg_fs_device_v2::{RegisterBlock, ResetValues};
pub use crate::stm32f4::peripherals::otg_fs_device_v2::{
DAINT, DAINTMSK, DCFG, DCTL, DIEPCTL0, DIEPCTL1, DIEPCTL2, DIEPCTL3, DIEPEMPMSK, DIEPINT0,
DIEPINT1, DIEPINT2, DIEPINT3, DIEPMSK, DIEPTSIZ0, DIEPTSIZ1, DIEPTSIZ2, DIEPTSIZ3, DOEPCTL0,
DOEPCTL1, DOEPCTL2, DOEPCTL3, DOEPINT0, DOEPINT1, DOEPINT2, DOEPINT3, DOEPMSK, DOEPTSIZ0,
DOEPTSIZ1, DOEPTSIZ2, DOEPTSIZ3, DSTS, DTXFSTS0, DTXFSTS1, DTXFSTS2, DTXFSTS3, DVBUSDIS,
DVBUSPULSE,
};
/// Access functions for the OTG_FS_DEVICE peripheral instance
pub mod OTG_FS_DEVICE {
use super::ResetValues;
#[cfg(not(feature = "nosync"))]
use super::Instance;
#[cfg(not(feature = "nosync"))]
const INSTANCE: Instance = Instance {
addr: 0x50000800,
_marker: ::core::marker::PhantomData,
};
/// Reset values for each field in OTG_FS_DEVICE
pub const reset: ResetValues = ResetValues {
DCFG: 0x02200000,
DCTL: 0x00000000,
DSTS: 0x00000010,
DIEPMSK: 0x00000000,
DOEPMSK: 0x00000000,
DAINT: 0x00000000,
DAINTMSK: 0x00000000,
DVBUSDIS: 0x000017D7,
DVBUSPULSE: 0x000005B8,
DIEPEMPMSK: 0x00000000,
DIEPCTL0: 0x00000000,
DIEPCTL1: 0x00000000,
DIEPCTL2: 0x00000000,
DIEPCTL3: 0x00000000,
DOEPCTL0: 0x00008000,
DOEPCTL1: 0x00000000,
DOEPCTL2: 0x00000000,
DOEPCTL3: 0x00000000,
DIEPINT0: 0x00000080,
DIEPINT1: 0x00000080,
DIEPINT2: 0x00000080,
DIEPINT3: 0x00000080,
DOEPINT0: 0x00000080,
DOEPINT1: 0x00000080,
DOEPINT2: 0x00000080,
DOEPINT3: 0x00000080,
DIEPTSIZ0: 0x00000000,
DOEPTSIZ0: 0x00000000,
DIEPTSIZ1: 0x00000000,
DIEPTSIZ2: 0x00000000,
DIEPTSIZ3: 0x00000000,
DTXFSTS0: 0x00000000,
DTXFSTS1: 0x00000000,
DTXFSTS2: 0x00000000,
DTXFSTS3: 0x00000000,
DOEPTSIZ1: 0x00000000,
DOEPTSIZ2: 0x00000000,
DOEPTSIZ3: 0x00000000,
};
#[cfg(not(feature = "nosync"))]
#[allow(renamed_and_removed_lints)]
#[allow(private_no_mangle_statics)]
#[no_mangle]
static mut OTG_FS_DEVICE_TAKEN: bool = false;
/// Safe access to OTG_FS_DEVICE
///
/// 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 OTG_FS_DEVICE_TAKEN {
None
} else {
OTG_FS_DEVICE_TAKEN = true;
Some(INSTANCE)
}
})
}
/// Release exclusive access to OTG_FS_DEVICE
///
/// 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 OTG_FS_DEVICE_TAKEN && inst.addr == INSTANCE.addr {
OTG_FS_DEVICE_TAKEN = false;
} else {
panic!("Released a peripheral which was not taken");
}
});
}
/// Unsafely steal OTG_FS_DEVICE
///
/// 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 {
OTG_FS_DEVICE_TAKEN = true;
INSTANCE
}
}
/// Raw pointer to OTG_FS_DEVICE
///
/// 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 OTG_FS_DEVICE: *const RegisterBlock = 0x50000800 as *const _;