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

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

/// Flash access control register
pub mod ACR {

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

            /// 0b000: 0 wait states
            pub const WS0: u32 = 0b000;

            /// 0b001: 1 wait states
            pub const WS1: u32 = 0b001;

            /// 0b010: 2 wait states
            pub const WS2: u32 = 0b010;

            /// 0b011: 3 wait states
            pub const WS3: u32 = 0b011;

            /// 0b100: 4 wait states
            pub const WS4: u32 = 0b100;

            /// 0b101: 5 wait states
            pub const WS5: u32 = 0b101;

            /// 0b110: 6 wait states
            pub const WS6: u32 = 0b110;

            /// 0b111: 7 wait states
            pub const WS7: u32 = 0b111;

            /// 0b1000: 8 wait states
            pub const WS8: u32 = 0b1000;

            /// 0b1001: 9 wait states
            pub const WS9: u32 = 0b1001;

            /// 0b1010: 10 wait states
            pub const WS10: u32 = 0b1010;

            /// 0b1011: 11 wait states
            pub const WS11: u32 = 0b1011;

            /// 0b1100: 12 wait states
            pub const WS12: u32 = 0b1100;

            /// 0b1101: 13 wait states
            pub const WS13: u32 = 0b1101;

            /// 0b1110: 14 wait states
            pub const WS14: u32 = 0b1110;

            /// 0b1111: 15 wait states
            pub const WS15: u32 = 0b1111;
        }
    }

    /// Prefetch enable
    pub mod PRFTEN {
        /// Offset (8 bits)
        pub const offset: u32 = 8;
        /// Mask (1 bit: 1 << 8)
        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: Prefetch is disabled
            pub const Disabled: u32 = 0b0;

            /// 0b1: Prefetch is enabled
            pub const Enabled: u32 = 0b1;
        }
    }

    /// Instruction cache enable
    pub mod ICEN {
        /// Offset (9 bits)
        pub const offset: u32 = 9;
        /// Mask (1 bit: 1 << 9)
        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: Instruction cache is disabled
            pub const Disabled: u32 = 0b0;

            /// 0b1: Instruction cache is enabled
            pub const Enabled: u32 = 0b1;
        }
    }

    /// Data cache enable
    pub mod DCEN {
        /// Offset (10 bits)
        pub const offset: u32 = 10;
        /// Mask (1 bit: 1 << 10)
        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: Data cache is disabled
            pub const Disabled: u32 = 0b0;

            /// 0b1: Data cache is enabled
            pub const Enabled: u32 = 0b1;
        }
    }

    /// Instruction cache reset
    pub mod ICRST {
        /// Offset (11 bits)
        pub const offset: u32 = 11;
        /// Mask (1 bit: 1 << 11)
        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: Instruction cache is not reset
            pub const NotReset: u32 = 0b0;

            /// 0b1: Instruction cache is reset
            pub const Reset: u32 = 0b1;
        }
    }

    /// Data cache reset
    pub mod DCRST {
        /// Offset (12 bits)
        pub const offset: u32 = 12;
        /// Mask (1 bit: 1 << 12)
        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: Data cache is not reset
            pub const NotReset: u32 = 0b0;

            /// 0b1: Data cache is reset
            pub const Reset: u32 = 0b1;
        }
    }
}

/// Flash key register
pub mod KEYR {

    /// FPEC key
    pub mod KEY {
        /// 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 {}
    }
}

/// Flash option key register
pub mod OPTKEYR {

    /// Option byte key
    pub mod OPTKEY {
        /// 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 {}
    }
}

/// Status register
pub mod SR {

    /// End of operation
    pub mod EOP {
        /// 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 {}
    }

    /// Operation error
    pub mod OPERR {
        /// 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 {}
    }

    /// Write protection error
    pub mod WRPERR {
        /// 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 {}
    }

    /// Programming alignment error
    pub mod PGAERR {
        /// 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 {}
    }

    /// Programming parallelism error
    pub mod PGPERR {
        /// 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 {}
    }

    /// Programming sequence error
    pub mod PGSERR {
        /// Offset (7 bits)
        pub const offset: u32 = 7;
        /// Mask (1 bit: 1 << 7)
        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 {}
    }

    /// Busy
    pub mod BSY {
        /// 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 {}
    }
}

/// Control register
pub mod CR {

    /// Programming
    pub mod PG {
        /// 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 {

            /// 0b1: Flash programming activated
            pub const Program: u32 = 0b1;
        }
    }

    /// Sector Erase
    pub mod SER {
        /// 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 {

            /// 0b1: Erase activated for selected sector
            pub const SectorErase: u32 = 0b1;
        }
    }

    /// Mass Erase
    pub mod MER {
        /// 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
        pub mod RW {

            /// 0b1: Erase activated for all user sectors
            pub const MassErase: u32 = 0b1;
        }
    }

    /// Sector number
    pub mod SNB {
        /// Offset (3 bits)
        pub const offset: u32 = 3;
        /// Mask (4 bits: 0b1111 << 3)
        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 {}
    }

    /// Program size
    pub mod PSIZE {
        /// Offset (8 bits)
        pub const offset: u32 = 8;
        /// Mask (2 bits: 0b11 << 8)
        pub const mask: u32 = 0b11 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values
        pub mod RW {

            /// 0b00: Program x8
            pub const PSIZE8: u32 = 0b00;

            /// 0b01: Program x16
            pub const PSIZE16: u32 = 0b01;

            /// 0b10: Program x32
            pub const PSIZE32: u32 = 0b10;

            /// 0b11: Program x64
            pub const PSIZE64: u32 = 0b11;
        }
    }

    /// Start
    pub mod STRT {
        /// 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
        pub mod RW {

            /// 0b1: Trigger an erase operation
            pub const Start: u32 = 0b1;
        }
    }

    /// End of operation interrupt enable
    pub mod EOPIE {
        /// 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
        pub mod RW {

            /// 0b0: End of operation interrupt disabled
            pub const Disabled: u32 = 0b0;

            /// 0b1: End of operation interrupt enabled
            pub const Enabled: u32 = 0b1;
        }
    }

    /// Error interrupt enable
    pub mod ERRIE {
        /// Offset (25 bits)
        pub const offset: u32 = 25;
        /// Mask (1 bit: 1 << 25)
        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: Error interrupt generation disabled
            pub const Disabled: u32 = 0b0;

            /// 0b1: Error interrupt generation enabled
            pub const Enabled: u32 = 0b1;
        }
    }

    /// Lock
    pub mod LOCK {
        /// Offset (31 bits)
        pub const offset: u32 = 31;
        /// Mask (1 bit: 1 << 31)
        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: FLASH_CR register is unlocked
            pub const Unlocked: u32 = 0b0;

            /// 0b1: FLASH_CR register is locked
            pub const Locked: u32 = 0b1;
        }
    }
}

/// Flash option control register
pub mod OPTCR {

    /// Option lock
    pub mod OPTLOCK {
        /// 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 start
    pub mod OPTSTRT {
        /// 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 {}
    }

    /// BOR reset Level
    pub mod BOR_LEV {
        /// Offset (2 bits)
        pub const offset: u32 = 2;
        /// Mask (2 bits: 0b11 << 2)
        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 {}
    }

    /// WDG_SW User option bytes
    pub mod WDG_SW {
        /// 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 {}
    }

    /// nRST_STOP User option bytes
    pub mod nRST_STOP {
        /// 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 {}
    }

    /// nRST_STDBY User option bytes
    pub mod nRST_STDBY {
        /// Offset (7 bits)
        pub const offset: u32 = 7;
        /// Mask (1 bit: 1 << 7)
        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 {}
    }

    /// Read protect
    pub mod RDP {
        /// Offset (8 bits)
        pub const offset: u32 = 8;
        /// Mask (8 bits: 0xff << 8)
        pub const mask: u32 = 0xff << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Not write protect
    pub mod nWRP {
        /// Offset (16 bits)
        pub const offset: u32 = 16;
        /// Mask (12 bits: 0xfff << 16)
        pub const mask: u32 = 0xfff << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }
}
pub struct RegisterBlock {
    /// Flash access control register
    pub ACR: RWRegister<u32>,

    /// Flash key register
    pub KEYR: WORegister<u32>,

    /// Flash option key register
    pub OPTKEYR: WORegister<u32>,

    /// Status register
    pub SR: RWRegister<u32>,

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

    /// Flash option control register
    pub OPTCR: RWRegister<u32>,
}
pub struct ResetValues {
    pub ACR: u32,
    pub KEYR: u32,
    pub OPTKEYR: u32,
    pub SR: u32,
    pub CR: u32,
    pub OPTCR: 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 FLASH peripheral instance
pub mod FLASH {
    use super::ResetValues;

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

    #[cfg(not(feature = "nosync"))]
    const INSTANCE: Instance = Instance {
        addr: 0x40023c00,
        _marker: ::core::marker::PhantomData,
    };

    /// Reset values for each field in FLASH
    pub const reset: ResetValues = ResetValues {
        ACR: 0x00000000,
        KEYR: 0x00000000,
        OPTKEYR: 0x00000000,
        SR: 0x00000000,
        CR: 0x80000000,
        OPTCR: 0x00000014,
    };

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

    /// Safe access to FLASH
    ///
    /// 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 FLASH_TAKEN {
                None
            } else {
                FLASH_TAKEN = true;
                Some(INSTANCE)
            }
        })
    }

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

    /// Unsafely steal FLASH
    ///
    /// 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 {
        FLASH_TAKEN = true;
        INSTANCE
    }
}

/// Raw pointer to FLASH
///
/// 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 FLASH: *const RegisterBlock = 0x40023c00 as *const _;