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#![allow(non_snake_case, non_upper_case_globals)]
#![allow(non_camel_case_types)]
//! TRNG
//!
//! Used by: imxrt1061, imxrt1062, imxrt1064
#[cfg(not(feature = "nosync"))]
pub use crate::imxrt106::peripherals::trng::Instance;
pub use crate::imxrt106::peripherals::trng::{RegisterBlock, ResetValues};
pub use crate::imxrt106::peripherals::trng::{
ENT0, ENT1, ENT10, ENT11, ENT12, ENT13, ENT14, ENT15, ENT2, ENT3, ENT4, ENT5, ENT6, ENT7, ENT8,
ENT9, FRQ, FRQMIN, INT_CTRL, INT_MASK, INT_STATUS, MCTL, PKR, PKRCNT10, PKRCNT32, PKRCNT54,
PKRCNT76, PKRCNT98, PKRCNTBA, PKRCNTDC, PKRCNTFE, PKRRNG, SBLIM, SCM, SCMISC, SCR1, SCR2, SCR3,
SCR4, SCR5, SCR6P, SDCTL, SEC_CFG, STATUS, VID1, VID2,
};
/// Access functions for the TRNG peripheral instance
pub mod TRNG {
use super::ResetValues;
#[cfg(not(feature = "nosync"))]
use super::Instance;
#[cfg(not(feature = "nosync"))]
const INSTANCE: Instance = Instance {
addr: 0x400cc000,
_marker: ::core::marker::PhantomData,
};
/// Reset values for each field in TRNG
pub const reset: ResetValues = ResetValues {
MCTL: 0x00012001,
SCMISC: 0x00010022,
PKRRNG: 0x000009A3,
PKR: 0x00000000,
SDCTL: 0x0C8009C4,
SBLIM: 0x00000000,
FRQMIN: 0x00000640,
FRQ: 0x00006400,
SCM: 0x010C0568,
SCR1: 0x00B20195,
SCR2: 0x007A00DC,
SCR3: 0x0058007D,
SCR4: 0x0040004B,
SCR5: 0x002E002F,
SCR6P: 0x002E002F,
STATUS: 0x00000000,
ENT0: 0x00000000,
ENT1: 0x00000000,
ENT2: 0x00000000,
ENT3: 0x00000000,
ENT4: 0x00000000,
ENT5: 0x00000000,
ENT6: 0x00000000,
ENT7: 0x00000000,
ENT8: 0x00000000,
ENT9: 0x00000000,
ENT10: 0x00000000,
ENT11: 0x00000000,
ENT12: 0x00000000,
ENT13: 0x00000000,
ENT14: 0x00000000,
ENT15: 0x00000000,
PKRCNT10: 0x00000000,
PKRCNT32: 0x00000000,
PKRCNT54: 0x00000000,
PKRCNT76: 0x00000000,
PKRCNT98: 0x00000000,
PKRCNTBA: 0x00000000,
PKRCNTDC: 0x00000000,
PKRCNTFE: 0x00000000,
SEC_CFG: 0x00000000,
INT_CTRL: 0x00000007,
INT_MASK: 0x00000000,
INT_STATUS: 0x00000000,
VID1: 0x00300301,
VID2: 0x00000000,
};
#[cfg(not(feature = "nosync"))]
#[allow(renamed_and_removed_lints)]
#[allow(private_no_mangle_statics)]
#[no_mangle]
static mut TRNG_TAKEN: bool = false;
/// Safe access to TRNG
///
/// 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 TRNG_TAKEN {
None
} else {
TRNG_TAKEN = true;
Some(INSTANCE)
}
})
}
/// Release exclusive access to TRNG
///
/// 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 TRNG_TAKEN && inst.addr == INSTANCE.addr {
TRNG_TAKEN = false;
} else {
panic!("Released a peripheral which was not taken");
}
});
}
/// Unsafely steal TRNG
///
/// 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 {
TRNG_TAKEN = true;
INSTANCE
}
}
/// Raw pointer to TRNG
///
/// 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 TRNG: *const RegisterBlock = 0x400cc000 as *const _;