stm32ral 0.8.0

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

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

/// power control register
pub mod CR {

    /// Low-power deep sleep
    pub mod LPDS {
        /// 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 {}
    }

    /// Power down deepsleep
    pub mod PDDS {
        /// 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: Enter Stop mode when the CPU enters deepsleep
            pub const STOP_MODE: u32 = 0b0;

            /// 0b1: Enter Standby mode when the CPU enters deepsleep
            pub const STANDBY_MODE: u32 = 0b1;
        }
    }

    /// Clear wakeup flag
    pub mod CWUF {
        /// 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 {}
    }

    /// Clear standby flag
    pub mod CSBF {
        /// 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 {}
    }

    /// Power voltage detector enable
    pub mod PVDE {
        /// 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 {}
    }

    /// PVD level selection
    pub mod PLS {
        /// Offset (5 bits)
        pub const offset: u32 = 5;
        /// Mask (3 bits: 0b111 << 5)
        pub const mask: u32 = 0b111 << offset;
        /// Read-only values (empty)
        pub mod R {}
        /// Write-only values (empty)
        pub mod W {}
        /// Read-write values (empty)
        pub mod RW {}
    }

    /// Disable backup domain write protection
    pub mod DBP {
        /// 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 (empty)
        pub mod RW {}
    }

    /// ENable SD1 ADC
    pub mod ENSD1 {
        /// 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 (empty)
        pub mod RW {}
    }

    /// ENable SD2 ADC
    pub mod ENSD2 {
        /// 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 (empty)
        pub mod RW {}
    }

    /// ENable SD3 ADC
    pub mod ENSD3 {
        /// 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 (empty)
        pub mod RW {}
    }
}

/// power control/status register
pub mod CSR {

    /// Wakeup flag
    pub mod WUF {
        /// 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 {}
    }

    /// Standby flag
    pub mod SBF {
        /// 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 {}
    }

    /// PVD output
    pub mod PVDO {
        /// 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 {}
    }

    /// Enable WKUP1 pin
    pub mod EWUP1 {
        /// 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 (empty)
        pub mod RW {}
    }

    /// Enable WKUP2 pin
    pub mod EWUP2 {
        /// 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 (empty)
        pub mod RW {}
    }

    /// Enable WKUP3 pin
    pub mod EWUP3 {
        /// 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 (empty)
        pub mod RW {}
    }
}
#[repr(C)]
pub struct RegisterBlock {
    /// power control register
    pub CR: RWRegister<u32>,

    /// power control/status register
    pub CSR: RWRegister<u32>,
}
pub struct ResetValues {
    pub CR: u32,
    pub CSR: 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 PWR peripheral instance
pub mod PWR {
    use super::ResetValues;

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

    #[cfg(not(feature = "nosync"))]
    const INSTANCE: Instance = Instance {
        addr: 0x40007000,
        _marker: ::core::marker::PhantomData,
    };

    /// Reset values for each field in PWR
    pub const reset: ResetValues = ResetValues {
        CR: 0x00000000,
        CSR: 0x00000000,
    };

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

    /// Safe access to PWR
    ///
    /// 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 PWR_TAKEN {
                None
            } else {
                PWR_TAKEN = true;
                Some(INSTANCE)
            }
        })
    }

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

    /// Unsafely steal PWR
    ///
    /// 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 {
        PWR_TAKEN = true;
        INSTANCE
    }
}

/// Raw pointer to PWR
///
/// 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 PWR: *const RegisterBlock = 0x40007000 as *const _;