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#![allow(non_snake_case, non_upper_case_globals)]
#![allow(non_camel_case_types)]
//! SEMC
//!
//! Used by: imxrt1061, imxrt1062, imxrt1064
#[cfg(not(feature = "nosync"))]
pub use crate::imxrt106::peripherals::semc::Instance;
pub use crate::imxrt106::peripherals::semc::{RegisterBlock, ResetValues};
pub use crate::imxrt106::peripherals::semc::{
BMCR0, BMCR1, BR0, BR1, BR2, BR3, BR4, BR5, BR6, BR7, BR8, DBICR0, DBICR1, DLLCR, INTEN, INTR,
IOCR, IPCMD, IPCR0, IPCR1, IPCR2, IPRXDAT, IPTXDAT, MCR, NANDCR0, NANDCR1, NANDCR2, NANDCR3,
NORCR0, NORCR1, NORCR2, NORCR3, SDRAMCR0, SDRAMCR1, SDRAMCR2, SDRAMCR3, SRAMCR0, SRAMCR1,
SRAMCR2, SRAMCR3, STS0, STS1, STS10, STS11, STS12, STS13, STS14, STS15, STS2, STS3, STS4, STS5,
STS6, STS7, STS8, STS9,
};
/// Access functions for the SEMC peripheral instance
pub mod SEMC {
use super::ResetValues;
#[cfg(not(feature = "nosync"))]
use super::Instance;
#[cfg(not(feature = "nosync"))]
const INSTANCE: Instance = Instance {
addr: 0x402f0000,
_marker: ::core::marker::PhantomData,
};
/// Reset values for each field in SEMC
pub const reset: ResetValues = ResetValues {
MCR: 0x10000002,
IOCR: 0x00000000,
BMCR0: 0x00000000,
BMCR1: 0x00000000,
BR0: 0x8000001D,
BR1: 0x8400001C,
BR2: 0x8800001C,
BR3: 0x8C00001C,
BR4: 0x9E00001A,
BR5: 0x90000018,
BR6: 0x98000018,
BR7: 0x9C00001A,
BR8: 0x00000026,
DLLCR: 0x00000100,
INTEN: 0x00000000,
INTR: 0x00000000,
SDRAMCR0: 0x00000C26,
SDRAMCR1: 0x00994934,
SDRAMCR2: 0x80000EEE,
SDRAMCR3: 0x40808000,
NANDCR0: 0x00000000,
NANDCR1: 0x00000000,
NANDCR2: 0x00010410,
NANDCR3: 0x00000000,
NORCR0: 0x00000000,
NORCR1: 0x00000000,
NORCR2: 0x00000000,
NORCR3: 0x00000000,
SRAMCR0: 0x00000000,
SRAMCR1: 0x00000000,
SRAMCR2: 0x00000000,
SRAMCR3: 0x00000000,
DBICR0: 0x00000000,
DBICR1: 0x00000000,
IPCR0: 0x00000000,
IPCR1: 0x00000000,
IPCR2: 0x00000000,
IPCMD: 0x00000000,
IPTXDAT: 0x00000000,
IPRXDAT: 0x00000000,
STS0: 0x00000001,
STS1: 0x00000000,
STS2: 0x00000000,
STS3: 0x00000000,
STS4: 0x00000000,
STS5: 0x00000000,
STS6: 0x00000000,
STS7: 0x00000000,
STS8: 0x00000000,
STS9: 0x00000000,
STS10: 0x00000000,
STS11: 0x00000000,
STS12: 0x00000000,
STS13: 0x00000100,
STS14: 0x00000000,
STS15: 0x00000000,
};
#[cfg(not(feature = "nosync"))]
#[allow(renamed_and_removed_lints)]
#[allow(private_no_mangle_statics)]
#[no_mangle]
static mut SEMC_TAKEN: bool = false;
/// Safe access to SEMC
///
/// 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 SEMC_TAKEN {
None
} else {
SEMC_TAKEN = true;
Some(INSTANCE)
}
})
}
/// Release exclusive access to SEMC
///
/// 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 SEMC_TAKEN && inst.addr == INSTANCE.addr {
SEMC_TAKEN = false;
} else {
panic!("Released a peripheral which was not taken");
}
});
}
/// Unsafely steal SEMC
///
/// 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 {
SEMC_TAKEN = true;
INSTANCE
}
}
/// Raw pointer to SEMC
///
/// 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 SEMC: *const RegisterBlock = 0x402f0000 as *const _;