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nrf: add support for nrf52805, nrf52811, nrf52820

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This commit is contained in:
Dario Nieuwenhuis
2021-05-11 03:04:59 +02:00
parent cd4111736c
commit bd9589d0ce
21 changed files with 1600 additions and 602 deletions
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47
embassy-nrf/src/spim.rs
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@ -1,3 +1,5 @@
#![macro_use]
use core::future::Future;
use core::marker::PhantomData;
use core::sync::atomic::{compiler_fence, Ordering};
@ -12,7 +14,7 @@ use traits::spi::FullDuplex;
use crate::gpio::sealed::Pin as _;
use crate::gpio::{OptionalPin, Pin as GpioPin};
use crate::interrupt::{self, Interrupt};
use crate::{pac, peripherals, slice_in_ram_or};
use crate::{pac, peripherals, util::slice_in_ram_or};
pub use embedded_hal::spi::{Mode, Phase, Polarity, MODE_0, MODE_1, MODE_2, MODE_3};
pub use pac::spim0::frequency::FREQUENCY_A as Frequency;
@ -33,12 +35,23 @@ pub struct Spim<'d, T: Instance> {
phantom: PhantomData<&'d mut T>,
}
#[non_exhaustive]
pub struct Config {
pub frequency: Frequency,
pub mode: Mode,
pub orc: u8,
}
impl Default for Config {
fn default() -> Self {
Self {
frequency: Frequency::M1,
mode: MODE_0,
orc: 0x00,
}
}
}
impl<'d, T: Instance> Spim<'d, T> {
pub fn new(
spim: impl Unborrow<Target = T> + 'd,
@ -315,7 +328,7 @@ impl<'d, T: Instance> embedded_hal::blocking::spi::Write<u8> for Spim<'d, T> {
}
}
mod sealed {
pub(crate) mod sealed {
use super::*;
pub struct State {
@ -340,33 +353,19 @@ pub trait Instance: sealed::Instance + 'static {
type Interrupt: Interrupt;
}
macro_rules! impl_instance {
($type:ident, $irq:ident) => {
impl sealed::Instance for peripherals::$type {
macro_rules! impl_spim {
($type:ident, $pac_type:ident, $irq:ident) => {
impl crate::spim::sealed::Instance for peripherals::$type {
fn regs() -> &'static pac::spim0::RegisterBlock {
unsafe { &*pac::$type::ptr() }
unsafe { &*pac::$pac_type::ptr() }
}
fn state() -> &'static sealed::State {
static STATE: sealed::State = sealed::State::new();
fn state() -> &'static crate::spim::sealed::State {
static STATE: crate::spim::sealed::State = crate::spim::sealed::State::new();
&STATE
}
}
impl Instance for peripherals::$type {
type Interrupt = interrupt::$irq;
impl crate::spim::Instance for peripherals::$type {
type Interrupt = crate::interrupt::$irq;
}
};
}
#[cfg(feature = "52810")]
impl_instance!(SPIM0, SPIM0_SPIS0_SPI0);
#[cfg(not(feature = "52810"))]
impl_instance!(SPIM0, SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0);
#[cfg(any(feature = "52832", feature = "52833", feature = "52840"))]
impl_instance!(SPIM1, SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1);
#[cfg(any(feature = "52832", feature = "52833", feature = "52840"))]
impl_instance!(SPIM2, SPIM2_SPIS2_SPI2);
#[cfg(any(feature = "52833", feature = "52840"))]
impl_instance!(SPIM3, SPIM3);