embassy/embassy-stm32/src/lib.rs

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#![no_std]
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#![cfg_attr(feature = "nightly", feature(generic_associated_types, type_alias_impl_trait))]
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// This must go FIRST so that all the other modules see its macros.
pub mod fmt;
include!(concat!(env!("OUT_DIR"), "/_macros.rs"));
// Utilities
pub mod interrupt;
pub mod time;
mod traits;
// Always-present hardware
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pub mod dma;
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pub mod gpio;
pub mod rcc;
#[cfg(feature = "_time-driver")]
mod time_driver;
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pub mod timer;
// Sometimes-present hardware
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#[cfg(adc)]
pub mod adc;
#[cfg(can)]
pub mod can;
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#[cfg(dac)]
pub mod dac;
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#[cfg(dcmi)]
pub mod dcmi;
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#[cfg(eth)]
pub mod eth;
#[cfg(feature = "exti")]
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pub mod exti;
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#[cfg(fmc)]
pub mod fmc;
#[cfg(i2c)]
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pub mod i2c;
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#[cfg(crc)]
pub mod crc;
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#[cfg(any(
flash_l0, flash_l1, flash_wl, flash_wb, flash_l4, flash_f3, flash_f4, flash_f7, flash_h7
))]
pub mod flash;
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pub mod pwm;
#[cfg(rng)]
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pub mod rng;
#[cfg(sdmmc)]
pub mod sdmmc;
#[cfg(spi)]
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pub mod spi;
#[cfg(usart)]
pub mod usart;
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#[cfg(usb)]
pub mod usb;
#[cfg(any(otgfs, otghs))]
pub mod usb_otg;
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#[cfg(iwdg)]
pub mod wdg;
#[cfg(feature = "subghz")]
pub mod subghz;
// This must go last, so that it sees all the impl_foo! macros defined earlier.
pub(crate) mod _generated {
#![allow(dead_code)]
#![allow(unused_imports)]
#![allow(non_snake_case)]
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include!(concat!(env!("OUT_DIR"), "/_generated.rs"));
}
// Reexports
pub use _generated::{peripherals, Peripherals};
pub use embassy_cortex_m::executor;
pub use embassy_hal_common::{into_ref, Peripheral, PeripheralRef};
pub use embassy_macros::cortex_m_interrupt as interrupt;
#[cfg(feature = "unstable-pac")]
pub use stm32_metapac as pac;
#[cfg(not(feature = "unstable-pac"))]
pub(crate) use stm32_metapac as pac;
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#[non_exhaustive]
pub struct Config {
pub rcc: rcc::Config,
#[cfg(dbgmcu)]
pub enable_debug_during_sleep: bool,
}
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impl Default for Config {
fn default() -> Self {
Self {
rcc: Default::default(),
#[cfg(dbgmcu)]
enable_debug_during_sleep: true,
}
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}
}
/// Initialize embassy.
pub fn init(config: Config) -> Peripherals {
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let p = Peripherals::take();
unsafe {
#[cfg(dbgmcu)]
if config.enable_debug_during_sleep {
crate::pac::DBGMCU.cr().modify(|cr| {
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#[cfg(any(dbgmcu_f0, dbgmcu_g0, dbgmcu_u5))]
{
cr.set_dbg_stop(true);
cr.set_dbg_standby(true);
}
#[cfg(any(
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dbgmcu_f1, dbgmcu_f2, dbgmcu_f3, dbgmcu_f4, dbgmcu_f7, dbgmcu_g4, dbgmcu_f7, dbgmcu_l0, dbgmcu_l1,
dbgmcu_l4, dbgmcu_wb, dbgmcu_wl
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))]
{
cr.set_dbg_sleep(true);
cr.set_dbg_stop(true);
cr.set_dbg_standby(true);
}
#[cfg(dbgmcu_h7)]
{
cr.set_d1dbgcken(true);
cr.set_d3dbgcken(true);
cr.set_dbgsleep_d1(true);
cr.set_dbgstby_d1(true);
cr.set_dbgstop_d1(true);
}
});
}
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gpio::init();
dma::init();
#[cfg(feature = "exti")]
exti::init();
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rcc::init(config.rcc);
// must be after rcc init
#[cfg(feature = "_time-driver")]
time_driver::init();
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}
p
}