stm32ral 0.8.0

#![allow(non_snake_case, non_upper_case_globals)]
#![allow(non_camel_case_types)]
//! Low power timer

use crate::{RORegister, RWRegister, WORegister};
#[cfg(not(feature = "nosync"))]
use core::marker::PhantomData;

/// Interrupt and Status Register
pub mod ISR {

    /// Counter direction change up to down
    pub mod DOWN {
        /// Offset (6 bits)
        pub const offset: u32 = 6;
        /// Mask (1 bit: 1 << 6)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Counter direction change down to up
    pub mod UP {
        /// Offset (5 bits)
        pub const offset: u32 = 5;
        /// Mask (1 bit: 1 << 5)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Autoreload register update OK
    pub mod ARROK {
        /// Offset (4 bits)
        pub const offset: u32 = 4;
        /// Mask (1 bit: 1 << 4)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Compare register update OK
    pub mod CMPOK {
        /// Offset (3 bits)
        pub const offset: u32 = 3;
        /// Mask (1 bit: 1 << 3)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// External trigger edge event
    pub mod EXTTRIG {
        /// Offset (2 bits)
        pub const offset: u32 = 2;
        /// Mask (1 bit: 1 << 2)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Autoreload match
    pub mod ARRM {
        /// Offset (1 bits)
        pub const offset: u32 = 1;
        /// Mask (1 bit: 1 << 1)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Compare match
    pub mod CMPM {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (1 bit: 1 << 0)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }
}

/// Interrupt Clear Register
pub mod ICR {

    /// Direction change to down Clear Flag
    pub mod DOWNCF {
        /// Offset (6 bits)
        pub const offset: u32 = 6;
        /// Mask (1 bit: 1 << 6)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Direction change to UP Clear Flag
    pub mod UPCF {
        /// Offset (5 bits)
        pub const offset: u32 = 5;
        /// Mask (1 bit: 1 << 5)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Autoreload register update OK Clear Flag
    pub mod ARROKCF {
        /// Offset (4 bits)
        pub const offset: u32 = 4;
        /// Mask (1 bit: 1 << 4)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Compare register update OK Clear Flag
    pub mod CMPOKCF {
        /// Offset (3 bits)
        pub const offset: u32 = 3;
        /// Mask (1 bit: 1 << 3)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// External trigger valid edge Clear Flag
    pub mod EXTTRIGCF {
        /// Offset (2 bits)
        pub const offset: u32 = 2;
        /// Mask (1 bit: 1 << 2)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Autoreload match Clear Flag
    pub mod ARRMCF {
        /// Offset (1 bits)
        pub const offset: u32 = 1;
        /// Mask (1 bit: 1 << 1)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// compare match Clear Flag
    pub mod CMPMCF {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (1 bit: 1 << 0)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }
}

/// Interrupt Enable Register
pub mod IER {

    /// Direction change to down Interrupt Enable
    pub mod DOWNIE {
        /// Offset (6 bits)
        pub const offset: u32 = 6;
        /// Mask (1 bit: 1 << 6)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Direction change to UP Interrupt Enable
    pub mod UPIE {
        /// Offset (5 bits)
        pub const offset: u32 = 5;
        /// Mask (1 bit: 1 << 5)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Autoreload register update OK Interrupt Enable
    pub mod ARROKIE {
        /// Offset (4 bits)
        pub const offset: u32 = 4;
        /// Mask (1 bit: 1 << 4)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Compare register update OK Interrupt Enable
    pub mod CMPOKIE {
        /// Offset (3 bits)
        pub const offset: u32 = 3;
        /// Mask (1 bit: 1 << 3)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// External trigger valid edge Interrupt Enable
    pub mod EXTTRIGIE {
        /// Offset (2 bits)
        pub const offset: u32 = 2;
        /// Mask (1 bit: 1 << 2)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Autoreload match Interrupt Enable
    pub mod ARRMIE {
        /// Offset (1 bits)
        pub const offset: u32 = 1;
        /// Mask (1 bit: 1 << 1)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Compare match Interrupt Enable
    pub mod CMPMIE {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (1 bit: 1 << 0)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }
}

/// Configuration Register
pub mod CFGR {

    /// Encoder mode enable
    pub mod ENC {
        /// Offset (24 bits)
        pub const offset: u32 = 24;
        /// Mask (1 bit: 1 << 24)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// counter mode enabled
    pub mod COUNTMODE {
        /// Offset (23 bits)
        pub const offset: u32 = 23;
        /// Mask (1 bit: 1 << 23)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Registers update mode
    pub mod PRELOAD {
        /// Offset (22 bits)
        pub const offset: u32 = 22;
        /// Mask (1 bit: 1 << 22)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Waveform shape polarity
    pub mod WAVPOL {
        /// Offset (21 bits)
        pub const offset: u32 = 21;
        /// Mask (1 bit: 1 << 21)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Waveform shape
    pub mod WAVE {
        /// Offset (20 bits)
        pub const offset: u32 = 20;
        /// Mask (1 bit: 1 << 20)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Timeout enable
    pub mod TIMOUT {
        /// Offset (19 bits)
        pub const offset: u32 = 19;
        /// Mask (1 bit: 1 << 19)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Trigger enable and polarity
    pub mod TRIGEN {
        /// Offset (17 bits)
        pub const offset: u32 = 17;
        /// Mask (2 bits: 0b11 << 17)
        pub const mask: u32 = 0b11 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Trigger selector
    pub mod TRIGSEL {
        /// Offset (13 bits)
        pub const offset: u32 = 13;
        /// Mask (3 bits: 0b111 << 13)
        pub const mask: u32 = 0b111 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Clock prescaler
    pub mod PRESC {
        /// Offset (9 bits)
        pub const offset: u32 = 9;
        /// Mask (3 bits: 0b111 << 9)
        pub const mask: u32 = 0b111 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Configurable digital filter for trigger
    pub mod TRGFLT {
        /// Offset (6 bits)
        pub const offset: u32 = 6;
        /// Mask (2 bits: 0b11 << 6)
        pub const mask: u32 = 0b11 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Configurable digital filter for external clock
    pub mod CKFLT {
        /// Offset (3 bits)
        pub const offset: u32 = 3;
        /// Mask (2 bits: 0b11 << 3)
        pub const mask: u32 = 0b11 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Clock Polarity
    pub mod CKPOL {
        /// Offset (1 bits)
        pub const offset: u32 = 1;
        /// Mask (2 bits: 0b11 << 1)
        pub const mask: u32 = 0b11 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Clock selector
    pub mod CKSEL {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (1 bit: 1 << 0)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }
}

/// Control Register
pub mod CR {

    /// Reset after read enable
    pub mod RSTARE {
        /// Offset (4 bits)
        pub const offset: u32 = 4;
        /// Mask (1 bit: 1 << 4)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Counter reset
    pub mod COUNTRST {
        /// Offset (3 bits)
        pub const offset: u32 = 3;
        /// Mask (1 bit: 1 << 3)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Timer start in continuous mode
    pub mod CNTSTRT {
        /// Offset (2 bits)
        pub const offset: u32 = 2;
        /// Mask (1 bit: 1 << 2)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// LPTIM start in single mode
    pub mod SNGSTRT {
        /// Offset (1 bits)
        pub const offset: u32 = 1;
        /// Mask (1 bit: 1 << 1)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// LPTIM Enable
    pub mod ENABLE {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (1 bit: 1 << 0)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }
}

/// Compare Register
pub mod CMP {

    /// Compare value
    pub mod CMP {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (16 bits: 0xffff << 0)
        pub const mask: u32 = 0xffff << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }
}

/// Autoreload Register
pub mod ARR {

    /// Auto reload value
    pub mod ARR {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (16 bits: 0xffff << 0)
        pub const mask: u32 = 0xffff << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }
}

/// Counter Register
pub mod CNT {

    /// Counter value
    pub mod CNT {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (16 bits: 0xffff << 0)
        pub const mask: u32 = 0xffff << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }
}

/// Option Register
pub mod OR {

    /// Option register bit 1
    pub mod OR1 {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (1 bit: 1 << 0)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Option register bit 2
    pub mod OR2 {
        /// Offset (1 bits)
        pub const offset: u32 = 1;
        /// Mask (1 bit: 1 << 1)
        pub const mask: u32 = 1 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }
}
#[repr(C)]
pub struct RegisterBlock {
    /// Interrupt and Status Register
    pub ISR: RORegister<u32>,

    /// Interrupt Clear Register
    pub ICR: WORegister<u32>,

    /// Interrupt Enable Register
    pub IER: RWRegister<u32>,

    /// Configuration Register
    pub CFGR: RWRegister<u32>,

    /// Control Register
    pub CR: RWRegister<u32>,

    /// Compare Register
    pub CMP: RWRegister<u32>,

    /// Autoreload Register
    pub ARR: RWRegister<u32>,

    /// Counter Register
    pub CNT: RORegister<u32>,

    /// Option Register
    pub OR: RWRegister<u32>,
}
pub struct ResetValues {
    pub ISR: u32,
    pub ICR: u32,
    pub IER: u32,
    pub CFGR: u32,
    pub CR: u32,
    pub CMP: u32,
    pub ARR: u32,
    pub CNT: u32,
    pub OR: u32,
}
#[cfg(not(feature = "nosync"))]
pub struct Instance {
    pub(crate) addr: u32,
    pub(crate) _marker: PhantomData<*const RegisterBlock>,
}
#[cfg(not(feature = "nosync"))]
impl ::core::ops::Deref for Instance {
    type Target = RegisterBlock;
    #[inline(always)]
    fn deref(&self) -> &RegisterBlock {
        unsafe { &*(self.addr as *const _) }
    }
}
#[cfg(feature = "rtic")]
unsafe impl Send for Instance {}

/// Access functions for the LPTIM1 peripheral instance
pub mod LPTIM1 {
    use super::ResetValues;

    #[cfg(not(feature = "nosync"))]
    use super::Instance;

    #[cfg(not(feature = "nosync"))]
    const INSTANCE: Instance = Instance {
        addr: 0x40007c00,
        _marker: ::core::marker::PhantomData,
    };

    /// Reset values for each field in LPTIM1
    pub const reset: ResetValues = ResetValues {
        ISR: 0x00000000,
        ICR: 0x00000000,
        IER: 0x00000000,
        CFGR: 0x00000000,
        CR: 0x00000000,
        CMP: 0x00000000,
        ARR: 0x00000001,
        CNT: 0x00000000,
        OR: 0x00000000,
    };

    #[cfg(not(feature = "nosync"))]
    #[allow(renamed_and_removed_lints)]
    #[allow(private_no_mangle_statics)]
    #[no_mangle]
    static mut LPTIM1_TAKEN: bool = false;

    /// Safe access to LPTIM1
    ///
    /// 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 LPTIM1_TAKEN {
                None
            } else {
                LPTIM1_TAKEN = true;
                Some(INSTANCE)
            }
        })
    }

    /// Release exclusive access to LPTIM1
    ///
    /// 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 LPTIM1_TAKEN && inst.addr == INSTANCE.addr {
                LPTIM1_TAKEN = false;
            } else {
                panic!("Released a peripheral which was not taken");
            }
        });
    }

    /// Unsafely steal LPTIM1
    ///
    /// 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 {
        LPTIM1_TAKEN = true;
        INSTANCE
    }
}

/// Raw pointer to LPTIM1
///
/// 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 LPTIM1: *const RegisterBlock = 0x40007c00 as *const _;

/// Access functions for the LPTIM2 peripheral instance
pub mod LPTIM2 {
    use super::ResetValues;

    #[cfg(not(feature = "nosync"))]
    use super::Instance;

    #[cfg(not(feature = "nosync"))]
    const INSTANCE: Instance = Instance {
        addr: 0x40009400,
        _marker: ::core::marker::PhantomData,
    };

    /// Reset values for each field in LPTIM2
    pub const reset: ResetValues = ResetValues {
        ISR: 0x00000000,
        ICR: 0x00000000,
        IER: 0x00000000,
        CFGR: 0x00000000,
        CR: 0x00000000,
        CMP: 0x00000000,
        ARR: 0x00000001,
        CNT: 0x00000000,
        OR: 0x00000000,
    };

    #[cfg(not(feature = "nosync"))]
    #[allow(renamed_and_removed_lints)]
    #[allow(private_no_mangle_statics)]
    #[no_mangle]
    static mut LPTIM2_TAKEN: bool = false;

    /// Safe access to LPTIM2
    ///
    /// 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 LPTIM2_TAKEN {
                None
            } else {
                LPTIM2_TAKEN = true;
                Some(INSTANCE)
            }
        })
    }

    /// Release exclusive access to LPTIM2
    ///
    /// 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 LPTIM2_TAKEN && inst.addr == INSTANCE.addr {
                LPTIM2_TAKEN = false;
            } else {
                panic!("Released a peripheral which was not taken");
            }
        });
    }

    /// Unsafely steal LPTIM2
    ///
    /// 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 {
        LPTIM2_TAKEN = true;
        INSTANCE
    }
}

/// Raw pointer to LPTIM2
///
/// 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 LPTIM2: *const RegisterBlock = 0x40009400 as *const _;