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#![allow(non_snake_case, non_upper_case_globals)]
#![allow(non_camel_case_types)]
//! DAC
//!
//! Used by: stm32g071, stm32g07x, stm32g081
#[cfg(not(feature = "nosync"))]
pub use crate::stm32g0::peripherals::dac::Instance;
pub use crate::stm32g0::peripherals::dac::{RegisterBlock, ResetValues};
pub use crate::stm32g0::peripherals::dac::{
DAC_CCR, DAC_CR, DAC_DHR12L1, DAC_DHR12L2, DAC_DHR12LD, DAC_DHR12R1, DAC_DHR12R2, DAC_DHR12RD,
DAC_DHR8R1, DAC_DHR8R2, DAC_DHR8RD, DAC_DOR1, DAC_DOR2, DAC_MCR, DAC_SHHR, DAC_SHRR, DAC_SHSR1,
DAC_SHSR2, DAC_SR, DAC_SWTRGR, IPIDR, IP_HWCFGR0, SIDR, VERR,
};
/// Access functions for the DAC peripheral instance
pub mod DAC {
use super::ResetValues;
#[cfg(not(feature = "nosync"))]
use super::Instance;
#[cfg(not(feature = "nosync"))]
const INSTANCE: Instance = Instance {
addr: 0x40007400,
_marker: ::core::marker::PhantomData,
};
/// Reset values for each field in DAC
pub const reset: ResetValues = ResetValues {
DAC_CR: 0x00000000,
DAC_SWTRGR: 0x00000000,
DAC_DHR12R1: 0x00000000,
DAC_DHR12L1: 0x00000000,
DAC_DHR8R1: 0x00000000,
DAC_DHR12R2: 0x00000000,
DAC_DHR12L2: 0x00000000,
DAC_DHR8R2: 0x00000000,
DAC_DHR12RD: 0x00000000,
DAC_DHR12LD: 0x00000000,
DAC_DHR8RD: 0x00000000,
DAC_DOR1: 0x00000000,
DAC_DOR2: 0x00000000,
DAC_SR: 0x00000000,
DAC_CCR: 0x00000000,
DAC_MCR: 0x00000000,
DAC_SHSR1: 0x00000000,
DAC_SHSR2: 0x00000000,
DAC_SHHR: 0x00010001,
DAC_SHRR: 0x00010001,
IP_HWCFGR0: 0x00001111,
VERR: 0x00000031,
IPIDR: 0x00110011,
SIDR: 0xA3C5DD01,
};
#[cfg(not(feature = "nosync"))]
#[allow(renamed_and_removed_lints)]
#[allow(private_no_mangle_statics)]
#[no_mangle]
static mut DAC_TAKEN: bool = false;
/// Safe access to DAC
///
/// 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 DAC_TAKEN {
None
} else {
DAC_TAKEN = true;
Some(INSTANCE)
}
})
}
/// Release exclusive access to DAC
///
/// 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 DAC_TAKEN && inst.addr == INSTANCE.addr {
DAC_TAKEN = false;
} else {
panic!("Released a peripheral which was not taken");
}
});
}
/// Unsafely steal DAC
///
/// 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 {
DAC_TAKEN = true;
INSTANCE
}
}
/// Raw pointer to DAC
///
/// 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 DAC: *const RegisterBlock = 0x40007400 as *const _;