stm32ral 0.8.0

Register access layer for all STM32 microcontrollers
Documentation
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#![allow(non_snake_case, non_upper_case_globals)]
#![allow(non_camel_case_types)]
//! PKA

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

/// Control register
pub mod CR {

    /// Address error interrupt enable
    pub mod ADDRERRIE {
        /// 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 {}
    }

    /// RAM error interrupt enable
    pub mod RAMERRIE {
        /// 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 {}
    }

    /// End of operation interrupt enable
    pub mod PROCENDIE {
        /// Offset (17 bits)
        pub const offset: u32 = 17;
        /// Mask (1 bit: 1 << 17)
        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 {}
    }

    /// PKA Operation Mode
    pub mod MODE {
        /// Offset (8 bits)
        pub const offset: u32 = 8;
        /// Mask (6 bits: 0x3f << 8)
        pub const mask: u32 = 0x3f << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Security Enable
    pub mod SECLVL {
        /// 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 {}
    }

    /// Start the operation
    pub mod START {
        /// 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 {}
    }

    /// Peripheral Enable
    pub mod EN {
        /// 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 {}
    }
}

/// PKA status register
pub mod SR {

    /// Address error flag
    pub mod ADDRERRF {
        /// 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 {}
    }

    /// RAM error flag
    pub mod RAMERRF {
        /// 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 {}
    }

    /// PKA End of Operation flag
    pub mod PROCENDF {
        /// Offset (17 bits)
        pub const offset: u32 = 17;
        /// Mask (1 bit: 1 << 17)
        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 {}
    }

    /// PKA Operation in progress
    pub mod BUSY {
        /// Offset (16 bits)
        pub const offset: u32 = 16;
        /// Mask (1 bit: 1 << 16)
        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 {}
    }
}

/// PKA clear flag register
pub mod CLRFR {

    /// Clear Address error flag
    pub mod ADDRERRFC {
        /// 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 {}
    }

    /// Clear RAM error flag
    pub mod RAMERRFC {
        /// 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 {}
    }

    /// Clear PKA End of Operation flag
    pub mod PROCENDFC {
        /// Offset (17 bits)
        pub const offset: u32 = 17;
        /// Mask (1 bit: 1 << 17)
        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 {}
    }
}

/// PKA version register
pub mod VERR {

    /// Minor revision
    pub mod MINREV {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (4 bits: 0b1111 << 0)
        pub const mask: u32 = 0b1111 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Major revision
    pub mod MAJREV {
        /// Offset (4 bits)
        pub const offset: u32 = 4;
        /// Mask (4 bits: 0b1111 << 4)
        pub const mask: u32 = 0b1111 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }
}

/// PKA identification register
pub mod IPIDR {

    /// Identification Code
    pub mod ID {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (32 bits: 0xffffffff << 0)
        pub const mask: u32 = 0xffffffff << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }
}

/// PKA size ID register
pub mod SIDR {

    /// Side Identification Code
    pub mod SID {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (32 bits: 0xffffffff << 0)
        pub const mask: u32 = 0xffffffff << 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 {
    /// Control register
    pub CR: RWRegister<u32>,

    /// PKA status register
    pub SR: RORegister<u32>,

    /// PKA clear flag register
    pub CLRFR: RWRegister<u32>,

    _reserved1: [u8; 8168],

    /// PKA version register
    pub VERR: RORegister<u32>,

    /// PKA identification register
    pub IPIDR: RORegister<u32>,

    /// PKA size ID register
    pub SIDR: RORegister<u32>,
}
pub struct ResetValues {
    pub CR: u32,
    pub SR: u32,
    pub CLRFR: u32,
    pub VERR: u32,
    pub IPIDR: u32,
    pub SIDR: 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 PKA peripheral instance
pub mod PKA {
    use super::ResetValues;

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

    #[cfg(not(feature = "nosync"))]
    const INSTANCE: Instance = Instance {
        addr: 0x58002000,
        _marker: ::core::marker::PhantomData,
    };

    /// Reset values for each field in PKA
    pub const reset: ResetValues = ResetValues {
        CR: 0x00000000,
        SR: 0x00000000,
        CLRFR: 0x00000000,
        VERR: 0x00000010,
        IPIDR: 0x00170061,
        SIDR: 0xA3C5DD08,
    };

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

    /// Safe access to PKA
    ///
    /// 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 PKA_TAKEN {
                None
            } else {
                PKA_TAKEN = true;
                Some(INSTANCE)
            }
        })
    }

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

    /// Unsafely steal PKA
    ///
    /// 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 {
        PKA_TAKEN = true;
        INSTANCE
    }
}

/// Raw pointer to PKA
///
/// 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 PKA: *const RegisterBlock = 0x58002000 as *const _;