stm32ral 0.5.0

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)]
//! RNG1

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

/// RNG control register
pub mod RNG_CR {

    /// RNGEN
    pub mod RNGEN {
        /// 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 {}
    }

    /// IE
    pub mod IE {
        /// 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 {}
    }

    /// CED
    pub mod CED {
        /// 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 {}
    }
}

/// RNG status register
pub mod RNG_SR {

    /// DRDY
    pub mod DRDY {
        /// 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 {}
    }

    /// CECS
    pub mod CECS {
        /// 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 {}
    }

    /// SECS
    pub mod SECS {
        /// 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 {}
    }

    /// CEIS
    pub mod CEIS {
        /// 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 {}
    }

    /// SEIS
    pub mod SEIS {
        /// 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 {}
    }
}

/// The RNG_DR register is a read-only register.
pub mod RNG_DR {

    /// RNDATA
    pub mod RNDATA {
        /// 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 {}
    }
}

/// RNG hardware configuration register
pub mod RNG_HWCFGR {}

/// RNG version register
pub mod RNG_VERR {

    /// MINREV
    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 {}
    }

    /// MAJREV
    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 {}
    }
}

/// RNG identification register
pub mod RNG_IPIDR {

    /// ID
    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 {}
    }
}

/// RNG size ID register
pub mod RNG_SIDR {

    /// SID
    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 {
    /// RNG control register
    pub RNG_CR: RWRegister<u32>,

    /// RNG status register
    pub RNG_SR: RWRegister<u32>,

    /// The RNG_DR register is a read-only register.
    pub RNG_DR: RORegister<u32>,

    _reserved1: [u32; 249],

    /// RNG hardware configuration register
    pub RNG_HWCFGR: RORegister<u32>,

    /// RNG version register
    pub RNG_VERR: RORegister<u32>,

    /// RNG identification register
    pub RNG_IPIDR: RORegister<u32>,

    /// RNG size ID register
    pub RNG_SIDR: RORegister<u32>,
}
pub struct ResetValues {
    pub RNG_CR: u32,
    pub RNG_SR: u32,
    pub RNG_DR: u32,
    pub RNG_HWCFGR: u32,
    pub RNG_VERR: u32,
    pub RNG_IPIDR: u32,
    pub RNG_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 RNG1 peripheral instance
pub mod RNG1 {
    use super::ResetValues;

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

    #[cfg(not(feature = "nosync"))]
    const INSTANCE: Instance = Instance {
        addr: 0x54003000,
        _marker: ::core::marker::PhantomData,
    };

    /// Reset values for each field in RNG1
    pub const reset: ResetValues = ResetValues {
        RNG_CR: 0x00000000,
        RNG_SR: 0x00000000,
        RNG_DR: 0x00000000,
        RNG_HWCFGR: 0x00000006,
        RNG_VERR: 0x00000021,
        RNG_IPIDR: 0x00170041,
        RNG_SIDR: 0xA3C5DD01,
    };

    #[cfg(not(feature = "nosync"))]
    #[allow(renamed_and_removed_lints)]
    #[allow(private_no_mangle_statics)]
    #[no_mangle]
    static mut RNG1_TAKEN: bool = false;

    /// Safe access to RNG1
    ///
    /// 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 RNG1_TAKEN {
                None
            } else {
                RNG1_TAKEN = true;
                Some(INSTANCE)
            }
        })
    }

    /// Release exclusive access to RNG1
    ///
    /// 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 RNG1_TAKEN && inst.addr == INSTANCE.addr {
                RNG1_TAKEN = false;
            } else {
                panic!("Released a peripheral which was not taken");
            }
        });
    }

    /// Unsafely steal RNG1
    ///
    /// 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 {
        RNG1_TAKEN = true;
        INSTANCE
    }
}

/// Raw pointer to RNG1
///
/// 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 RNG1: *const RegisterBlock = 0x54003000 as *const _;

/// Access functions for the RNG2 peripheral instance
pub mod RNG2 {
    use super::ResetValues;

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

    #[cfg(not(feature = "nosync"))]
    const INSTANCE: Instance = Instance {
        addr: 0x4c003000,
        _marker: ::core::marker::PhantomData,
    };

    /// Reset values for each field in RNG2
    pub const reset: ResetValues = ResetValues {
        RNG_CR: 0x00000000,
        RNG_SR: 0x00000000,
        RNG_DR: 0x00000000,
        RNG_HWCFGR: 0x00000006,
        RNG_VERR: 0x00000021,
        RNG_IPIDR: 0x00170041,
        RNG_SIDR: 0xA3C5DD01,
    };

    #[cfg(not(feature = "nosync"))]
    #[allow(renamed_and_removed_lints)]
    #[allow(private_no_mangle_statics)]
    #[no_mangle]
    static mut RNG2_TAKEN: bool = false;

    /// Safe access to RNG2
    ///
    /// 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 RNG2_TAKEN {
                None
            } else {
                RNG2_TAKEN = true;
                Some(INSTANCE)
            }
        })
    }

    /// Release exclusive access to RNG2
    ///
    /// 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 RNG2_TAKEN && inst.addr == INSTANCE.addr {
                RNG2_TAKEN = false;
            } else {
                panic!("Released a peripheral which was not taken");
            }
        });
    }

    /// Unsafely steal RNG2
    ///
    /// 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 {
        RNG2_TAKEN = true;
        INSTANCE
    }
}

/// Raw pointer to RNG2
///
/// 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 RNG2: *const RegisterBlock = 0x4c003000 as *const _;