imxrt-ral 0.2.1-alpha

#![allow(non_snake_case, non_upper_case_globals)]
#![allow(non_camel_case_types)]
//! FLEXRAM

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

/// TCM CRTL Register
pub mod TCM_CTRL {

    /// TCM Write Wait Mode Enable
    pub mod TCM_WWAIT_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
        pub mod RW {

            /// 0b0: TCM write fast mode: Write RAM accesses are expected to be finished in 1-cycle.
            pub const TCM_WWAIT_EN_0: u32 = 0b0;

            /// 0b1: TCM write wait mode: Write RAM accesses are expected to be finished in 2-cycles.
            pub const TCM_WWAIT_EN_1: u32 = 0b1;
        }
    }

    /// TCM Read Wait Mode Enable
    pub mod TCM_RWAIT_EN {
        /// 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
        pub mod RW {

            /// 0b0: TCM read fast mode: Read RAM accesses are expected to be finished in 1-cycle.
            pub const TCM_RWAIT_EN_0: u32 = 0b0;

            /// 0b1: TCM read wait mode: Read RAM accesses are expected to be finished in 2-cycles.
            pub const TCM_RWAIT_EN_1: u32 = 0b1;
        }
    }

    /// Force RAM Clock Always On
    pub mod FORCE_CLK_ON {
        /// 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 {}
    }
}

/// Interrupt Status Register
pub mod INT_STATUS {

    /// ITCM Access Error Status
    pub mod ITCM_ERR_STATUS {
        /// 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
        pub mod RW {

            /// 0b0: ITCM access error does not happen
            pub const ITCM_ERR_STATUS_0: u32 = 0b0;

            /// 0b1: ITCM access error happens.
            pub const ITCM_ERR_STATUS_1: u32 = 0b1;
        }
    }

    /// DTCM Access Error Status
    pub mod DTCM_ERR_STATUS {
        /// 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
        pub mod RW {

            /// 0b0: DTCM access error does not happen
            pub const DTCM_ERR_STATUS_0: u32 = 0b0;

            /// 0b1: DTCM access error happens.
            pub const DTCM_ERR_STATUS_1: u32 = 0b1;
        }
    }

    /// OCRAM Access Error Status
    pub mod OCRAM_ERR_STATUS {
        /// 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
        pub mod RW {

            /// 0b0: OCRAM access error does not happen
            pub const OCRAM_ERR_STATUS_0: u32 = 0b0;

            /// 0b1: OCRAM access error happens.
            pub const OCRAM_ERR_STATUS_1: u32 = 0b1;
        }
    }
}

/// Interrupt Status Enable Register
pub mod INT_STAT_EN {

    /// ITCM Access Error Status Enable
    pub mod ITCM_ERR_STAT_EN {
        /// 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
        pub mod RW {

            /// 0b0: Masked
            pub const ITCM_ERR_STAT_EN_0: u32 = 0b0;

            /// 0b1: Enabled
            pub const ITCM_ERR_STAT_EN_1: u32 = 0b1;
        }
    }

    /// DTCM Access Error Status Enable
    pub mod DTCM_ERR_STAT_EN {
        /// 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
        pub mod RW {

            /// 0b0: Masked
            pub const DTCM_ERR_STAT_EN_0: u32 = 0b0;

            /// 0b1: Enabled
            pub const DTCM_ERR_STAT_EN_1: u32 = 0b1;
        }
    }

    /// OCRAM Access Error Status Enable
    pub mod OCRAM_ERR_STAT_EN {
        /// 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
        pub mod RW {

            /// 0b0: Masked
            pub const OCRAM_ERR_STAT_EN_0: u32 = 0b0;

            /// 0b1: Enabled
            pub const OCRAM_ERR_STAT_EN_1: u32 = 0b1;
        }
    }
}

/// Interrupt Enable Register
pub mod INT_SIG_EN {

    /// ITCM Access Error Interrupt Enable
    pub mod ITCM_ERR_SIG_EN {
        /// 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
        pub mod RW {

            /// 0b0: Masked
            pub const ITCM_ERR_SIG_EN_0: u32 = 0b0;

            /// 0b1: Enabled
            pub const ITCM_ERR_SIG_EN_1: u32 = 0b1;
        }
    }

    /// DTCM Access Error Interrupt Enable
    pub mod DTCM_ERR_SIG_EN {
        /// 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
        pub mod RW {

            /// 0b0: Masked
            pub const DTCM_ERR_SIG_EN_0: u32 = 0b0;

            /// 0b1: Enabled
            pub const DTCM_ERR_SIG_EN_1: u32 = 0b1;
        }
    }

    /// OCRAM Access Error Interrupt Enable
    pub mod OCRAM_ERR_SIG_EN {
        /// 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
        pub mod RW {

            /// 0b0: Masked
            pub const OCRAM_ERR_SIG_EN_0: u32 = 0b0;

            /// 0b1: Enabled
            pub const OCRAM_ERR_SIG_EN_1: u32 = 0b1;
        }
    }
}
#[repr(C)]
pub struct RegisterBlock {
    /// TCM CRTL Register
    pub TCM_CTRL: RWRegister<u32>,

    _reserved1: [u32; 3],

    /// Interrupt Status Register
    pub INT_STATUS: RWRegister<u32>,

    /// Interrupt Status Enable Register
    pub INT_STAT_EN: RWRegister<u32>,

    /// Interrupt Enable Register
    pub INT_SIG_EN: RWRegister<u32>,
}
pub struct ResetValues {
    pub TCM_CTRL: u32,
    pub INT_STATUS: u32,
    pub INT_STAT_EN: u32,
    pub INT_SIG_EN: 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 = "rtfm")]
unsafe impl Send for Instance {}

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

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

    #[cfg(not(feature = "nosync"))]
    const INSTANCE: Instance = Instance {
        addr: 0x400b0000,
        _marker: ::core::marker::PhantomData,
    };

    /// Reset values for each field in FLEXRAM
    pub const reset: ResetValues = ResetValues {
        TCM_CTRL: 0x00000000,
        INT_STATUS: 0x00000000,
        INT_STAT_EN: 0x00000000,
        INT_SIG_EN: 0x00000000,
    };

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

    /// Safe access to FLEXRAM
    ///
    /// 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 FLEXRAM_TAKEN {
                None
            } else {
                FLEXRAM_TAKEN = true;
                Some(INSTANCE)
            }
        })
    }

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

    /// Unsafely steal FLEXRAM
    ///
    /// 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 {
        FLEXRAM_TAKEN = true;
        INSTANCE
    }
}

/// Raw pointer to FLEXRAM
///
/// 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 FLEXRAM: *const RegisterBlock = 0x400b0000 as *const _;