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#![no_std]
#![cfg_attr(feature = "nightly", feature(async_fn_in_trait, impl_trait_projections))]
#![cfg_attr(feature = "nightly", allow(incomplete_features))]
// This mod MUST go first, so that the others see its macros.
pub(crate) mod fmt;
#[cfg(feature = "critical-section-impl")]
mod critical_section_impl;
mod intrinsics;
pub mod adc;
pub mod clocks;
pub mod dma;
pub mod flash;
mod float;
pub mod gpio;
pub mod i2c;
pub mod interrupt;
pub mod multicore;
pub mod pwm;
mod reset;
pub mod rom_data;
pub mod rtc;
pub mod spi;
#[cfg(feature = "time-driver")]
pub mod timer;
pub mod uart;
#[cfg(feature = "nightly")]
pub mod usb;
pub mod watchdog;
// PIO
// TODO: move `pio_instr_util` and `relocate` to inside `pio`
pub mod pio;
pub mod pio_instr_util;
pub mod relocate;
// Reexports
pub use embassy_cortex_m::executor;
pub use embassy_cortex_m::interrupt::_export::interrupt;
pub use embassy_hal_common::{into_ref, Peripheral, PeripheralRef};
#[cfg(feature = "unstable-pac")]
pub use rp_pac as pac;
#[cfg(not(feature = "unstable-pac"))]
pub(crate) use rp_pac as pac;
embassy_hal_common::peripherals! {
PIN_0,
PIN_1,
PIN_2,
PIN_3,
PIN_4,
PIN_5,
PIN_6,
PIN_7,
PIN_8,
PIN_9,
PIN_10,
PIN_11,
PIN_12,
PIN_13,
PIN_14,
PIN_15,
PIN_16,
PIN_17,
PIN_18,
PIN_19,
PIN_20,
PIN_21,
PIN_22,
PIN_23,
PIN_24,
PIN_25,
PIN_26,
PIN_27,
PIN_28,
PIN_29,
PIN_QSPI_SCLK,
PIN_QSPI_SS,
PIN_QSPI_SD0,
PIN_QSPI_SD1,
PIN_QSPI_SD2,
PIN_QSPI_SD3,
UART0,
UART1,
SPI0,
SPI1,
I2C0,
I2C1,
DMA_CH0,
DMA_CH1,
DMA_CH2,
DMA_CH3,
DMA_CH4,
DMA_CH5,
DMA_CH6,
DMA_CH7,
DMA_CH8,
DMA_CH9,
DMA_CH10,
DMA_CH11,
PWM_CH0,
PWM_CH1,
PWM_CH2,
PWM_CH3,
PWM_CH4,
PWM_CH5,
PWM_CH6,
PWM_CH7,
USB,
RTC,
FLASH,
ADC,
CORE1,
PIO0,
PIO1,
WATCHDOG,
}
#[link_section = ".boot2"]
#[used]
static BOOT2: [u8; 256] = *include_bytes!("boot2.bin");
pub mod config {
#[non_exhaustive]
pub struct Config {}
impl Default for Config {
fn default() -> Self {
Self {}
}
}
}
pub fn init(_config: config::Config) -> Peripherals {
// Do this first, so that it panics if user is calling `init` a second time
// before doing anything important.
let peripherals = Peripherals::take();
unsafe {
clocks::init();
#[cfg(feature = "time-driver")]
timer::init();
dma::init();
pio::init();
}
peripherals
}
/// Extension trait for PAC regs, adding atomic xor/bitset/bitclear writes.
trait RegExt<T: Copy> {
unsafe fn write_xor<R>(&self, f: impl FnOnce(&mut T) -> R) -> R;
unsafe fn write_set<R>(&self, f: impl FnOnce(&mut T) -> R) -> R;
unsafe fn write_clear<R>(&self, f: impl FnOnce(&mut T) -> R) -> R;
}
impl<T: Default + Copy, A: pac::common::Write> RegExt<T> for pac::common::Reg<T, A> {
unsafe fn write_xor<R>(&self, f: impl FnOnce(&mut T) -> R) -> R {
let mut val = Default::default();
let res = f(&mut val);
let ptr = (self.ptr() as *mut u8).add(0x1000) as *mut T;
ptr.write_volatile(val);
res
}
unsafe fn write_set<R>(&self, f: impl FnOnce(&mut T) -> R) -> R {
let mut val = Default::default();
let res = f(&mut val);
let ptr = (self.ptr() as *mut u8).add(0x2000) as *mut T;
ptr.write_volatile(val);
res
}
unsafe fn write_clear<R>(&self, f: impl FnOnce(&mut T) -> R) -> R {
let mut val = Default::default();
let res = f(&mut val);
let ptr = (self.ptr() as *mut u8).add(0x3000) as *mut T;
ptr.write_volatile(val);
res
}
}
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