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)]
//! General-purpose I/Os

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

/// GPIO port mode register
pub mod MODER {

    /// Port x configuration bits (y = 0..15)
    pub mod MODER3 {
        /// 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 {}
    }

    /// Port x configuration bits (y = 0..15)
    pub mod MODER1 {
        /// 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 {}
    }

    /// Port x configuration bits (y = 0..15)
    pub mod MODER0 {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (2 bits: 0b11 << 0)
        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 {}
    }
}

/// GPIO port output type register
pub mod OTYPER {

    /// Port x configuration bits (y = 0..15)
    pub mod OT3 {
        /// 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 {}
    }

    /// Port x configuration bits (y = 0..15)
    pub mod OT1 {
        /// 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 {}
    }

    /// Port x configuration bits (y = 0..15)
    pub mod OT0 {
        /// 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 {}
    }
}

/// GPIO port output speed register
pub mod OSPEEDR {

    /// Port x configuration bits (y = 0..15)
    pub mod OSPEEDR3 {
        /// 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 {}
    }

    /// Port x configuration bits (y = 0..15)
    pub mod OSPEEDR1 {
        /// 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 {}
    }

    /// Port x configuration bits (y = 0..15)
    pub mod OSPEEDR0 {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (2 bits: 0b11 << 0)
        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 {}
    }
}

/// GPIO port pull-up/pull-down register
pub mod PUPDR {

    /// Port x configuration bits (y = 0..15)
    pub mod PUPDR3 {
        /// 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 {}
    }

    /// Port x configuration bits (y = 0..15)
    pub mod PUPDR1 {
        /// 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 {}
    }

    /// Port x configuration bits (y = 0..15)
    pub mod PUPDR0 {
        /// Offset (0 bits)
        pub const offset: u32 = 0;
        /// Mask (2 bits: 0b11 << 0)
        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 {}
    }
}

/// GPIO port input data register
pub mod IDR {

    /// Port input data (y = 0..15)
    pub mod IDR3 {
        /// 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 {}
    }

    /// Port input data (y = 0..15)
    pub mod IDR1 {
        /// 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 {}
    }

    /// Port input data (y = 0..15)
    pub mod IDR0 {
        /// 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 {}
    }
}

/// GPIO port output data register
pub mod ODR {

    /// Port output data (y = 0..15)
    pub mod ODR3 {
        /// 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 {}
    }

    /// Port output data (y = 0..15)
    pub mod ODR1 {
        /// 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 {}
    }

    /// Port output data (y = 0..15)
    pub mod ODR0 {
        /// 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 {}
    }
}

/// GPIO port bit set/reset register
pub mod BSRR {

    /// Port x reset bit y (y = 0..15)
    pub mod BR3 {
        /// 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 {}
    }

    /// Port x reset bit y (y = 0..15)
    pub mod BR1 {
        /// 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 {}
    }

    /// Port x set bit y (y= 0..15)
    pub mod BR0 {
        /// 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 {}
    }

    /// Port x set bit y (y= 0..15)
    pub mod BS3 {
        /// 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 {}
    }

    /// Port x set bit y (y= 0..15)
    pub mod BS1 {
        /// 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 {}
    }

    /// Port x set bit y (y= 0..15)
    pub mod BS0 {
        /// 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 {}
    }
}

/// GPIO port configuration lock register
pub mod LCKR {

    /// Port x lock bit y (y= 0..15)
    pub mod LCKK {
        /// 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 {}
    }

    /// Port x lock bit y (y= 0..15)
    pub mod LCK3 {
        /// 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 {}
    }

    /// Port x lock bit y (y= 0..15)
    pub mod LCK1 {
        /// 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 {}
    }

    /// Port x lock bit y (y= 0..15)
    pub mod LCK0 {
        /// 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 {}
    }
}

/// GPIO alternate function low register
pub mod AFRL {

    /// Alternate function selection for port x bit y (y = 0..7)
    pub mod AFSEL3 {
        /// Offset (12 bits)
        pub const offset: u32 = 12;
        /// Mask (4 bits: 0b1111 << 12)
        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 {}
    }

    /// Alternate function selection for port x bit y (y = 0..7)
    pub mod AFSEL1 {
        /// 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 {}
    }

    /// Alternate function selection for port x bit y (y = 0..7)
    pub mod AFSEL0 {
        /// 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 {}
    }
}

/// GPIO alternate function high register
pub mod AFRH {

    /// Alternate function selection for port x bit y (y = 8..15)
    pub mod AFSEL15 {
        /// Offset (28 bits)
        pub const offset: u32 = 28;
        /// Mask (4 bits: 0b1111 << 28)
        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 {}
    }

    /// Alternate function selection for port x bit y (y = 8..15)
    pub mod AFSEL14 {
        /// Offset (24 bits)
        pub const offset: u32 = 24;
        /// Mask (4 bits: 0b1111 << 24)
        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 {}
    }

    /// Alternate function selection for port x bit y (y = 8..15)
    pub mod AFSEL13 {
        /// Offset (20 bits)
        pub const offset: u32 = 20;
        /// Mask (4 bits: 0b1111 << 20)
        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 {}
    }

    /// Alternate function selection for port x bit y (y = 8..15)
    pub mod AFSEL12 {
        /// Offset (16 bits)
        pub const offset: u32 = 16;
        /// Mask (4 bits: 0b1111 << 16)
        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 {}
    }

    /// Alternate function selection for port x bit y (y = 8..15)
    pub mod AFSEL11 {
        /// Offset (12 bits)
        pub const offset: u32 = 12;
        /// Mask (4 bits: 0b1111 << 12)
        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 {}
    }

    /// Alternate function selection for port x bit y (y = 8..15)
    pub mod AFSEL10 {
        /// Offset (8 bits)
        pub const offset: u32 = 8;
        /// Mask (4 bits: 0b1111 << 8)
        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 {}
    }

    /// Alternate function selection for port x bit y (y = 8..15)
    pub mod AFSEL9 {
        /// 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 {}
    }

    /// Alternate function selection for port x bit y (y = 8..15)
    pub mod AFSEL8 {
        /// 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 {}
    }
}

/// port bit reset register
pub mod BRR {

    /// Port Reset bit
    pub mod BR0 {
        /// 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 {}
    }

    /// Port Reset bit
    pub mod BR1 {
        /// 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 {}
    }

    /// Port Reset bit
    pub mod BR3 {
        /// 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 {}
    }
}
#[repr(C)]
pub struct RegisterBlock {
    /// GPIO port mode register
    pub MODER: RWRegister<u32>,

    /// GPIO port output type register
    pub OTYPER: RWRegister<u32>,

    /// GPIO port output speed register
    pub OSPEEDR: RWRegister<u32>,

    /// GPIO port pull-up/pull-down register
    pub PUPDR: RWRegister<u32>,

    /// GPIO port input data register
    pub IDR: RORegister<u32>,

    /// GPIO port output data register
    pub ODR: RWRegister<u32>,

    /// GPIO port bit set/reset register
    pub BSRR: WORegister<u32>,

    /// GPIO port configuration lock register
    pub LCKR: RWRegister<u32>,

    /// GPIO alternate function low register
    pub AFRL: RWRegister<u32>,

    /// GPIO alternate function high register
    pub AFRH: RWRegister<u32>,

    /// port bit reset register
    pub BRR: WORegister<u32>,
}
pub struct ResetValues {
    pub MODER: u32,
    pub OTYPER: u32,
    pub OSPEEDR: u32,
    pub PUPDR: u32,
    pub IDR: u32,
    pub ODR: u32,
    pub BSRR: u32,
    pub LCKR: u32,
    pub AFRL: u32,
    pub AFRH: u32,
    pub BRR: 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 GPIOH peripheral instance
pub mod GPIOH {
    use super::ResetValues;

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

    #[cfg(not(feature = "nosync"))]
    const INSTANCE: Instance = Instance {
        addr: 0x48001c00,
        _marker: ::core::marker::PhantomData,
    };

    /// Reset values for each field in GPIOH
    pub const reset: ResetValues = ResetValues {
        MODER: 0x000000CF,
        OTYPER: 0x00000000,
        OSPEEDR: 0x00000000,
        PUPDR: 0x00000000,
        IDR: 0x00000000,
        ODR: 0x00000000,
        BSRR: 0x00000000,
        LCKR: 0x00000000,
        AFRL: 0x00000000,
        AFRH: 0x00000000,
        BRR: 0x00000000,
    };

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

    /// Safe access to GPIOH
    ///
    /// 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 GPIOH_TAKEN {
                None
            } else {
                GPIOH_TAKEN = true;
                Some(INSTANCE)
            }
        })
    }

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

    /// Unsafely steal GPIOH
    ///
    /// 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 {
        GPIOH_TAKEN = true;
        INSTANCE
    }
}

/// Raw pointer to GPIOH
///
/// 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 GPIOH: *const RegisterBlock = 0x48001c00 as *const _;