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Add stm32u0 support.

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This commit is contained in:
Dario Nieuwenhuis 2024-04-13 02:13:41 +02:00
parent 87b79d4499
commit 65c085ce91
12 changed files with 187 additions and 16 deletions
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3
ci.sh
View file

@ -149,6 +149,9 @@ cargo batch \
--- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv8m.main-none-eabihf --features stm32h503rb,defmt,exti,time-driver-any,time \
--- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv8m.main-none-eabihf --features stm32h562ag,defmt,exti,time-driver-any,time \
--- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32wb35ce,defmt,exti,time-driver-any,time \
--- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv6m-none-eabi --features stm32u031r8,defmt,exti,time-driver-any,time \
--- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv6m-none-eabi --features stm32u073mb,defmt,exti,time-driver-any,time \
--- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv6m-none-eabi --features stm32u083rc,defmt,exti,time-driver-any,time \
--- build --release --manifest-path cyw43/Cargo.toml --target thumbv6m-none-eabi --features ''\
--- build --release --manifest-path cyw43/Cargo.toml --target thumbv6m-none-eabi --features 'log' \
--- build --release --manifest-path cyw43/Cargo.toml --target thumbv6m-none-eabi --features 'defmt' \

38
embassy-stm32/Cargo.toml
View file

@ -30,6 +30,7 @@ flavors = [
{ regex_feature = "stm32l1.*", target = "thumbv7m-none-eabi" },
{ regex_feature = "stm32l4.*", target = "thumbv7em-none-eabi" },
{ regex_feature = "stm32l5.*", target = "thumbv8m.main-none-eabihf", features = ["low-power"] },
{ regex_feature = "stm32u0.*", target = "thumbv6m-none-eabi" },
{ regex_feature = "stm32u5.*", target = "thumbv8m.main-none-eabihf" },
{ regex_feature = "stm32wb.*", target = "thumbv7em-none-eabi" },
{ regex_feature = "stm32wba.*", target = "thumbv8m.main-none-eabihf" },
@ -70,7 +71,7 @@ rand_core = "0.6.3"
sdio-host = "0.5.0"
critical-section = "1.1"
#stm32-metapac = { version = "15" }
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-0c4baf478324e19741c7a9795ab0aa8217c3691c" }
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-d674277b78ca7400ecfeeb1b5af4e460a65c1a61" }
vcell = "0.1.3"
nb = "1.0.0"
@ -96,7 +97,7 @@ proc-macro2 = "1.0.36"
quote = "1.0.15"
#stm32-metapac = { version = "15", default-features = false, features = ["metadata"]}
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-0c4baf478324e19741c7a9795ab0aa8217c3691c", default-features = false, features = ["metadata"]}
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-d674277b78ca7400ecfeeb1b5af4e460a65c1a61", default-features = false, features = ["metadata"]}
[features]
default = ["rt"]
@ -1419,6 +1420,38 @@ stm32l562qe = [ "stm32-metapac/stm32l562qe" ]
stm32l562re = [ "stm32-metapac/stm32l562re" ]
stm32l562ve = [ "stm32-metapac/stm32l562ve" ]
stm32l562ze = [ "stm32-metapac/stm32l562ze" ]
stm32u031c6 = [ "stm32-metapac/stm32u031c6" ]
stm32u031c8 = [ "stm32-metapac/stm32u031c8" ]
stm32u031f4 = [ "stm32-metapac/stm32u031f4" ]
stm32u031f6 = [ "stm32-metapac/stm32u031f6" ]
stm32u031f8 = [ "stm32-metapac/stm32u031f8" ]
stm32u031g6 = [ "stm32-metapac/stm32u031g6" ]
stm32u031g8 = [ "stm32-metapac/stm32u031g8" ]
stm32u031k4 = [ "stm32-metapac/stm32u031k4" ]
stm32u031k6 = [ "stm32-metapac/stm32u031k6" ]
stm32u031k8 = [ "stm32-metapac/stm32u031k8" ]
stm32u031r6 = [ "stm32-metapac/stm32u031r6" ]
stm32u031r8 = [ "stm32-metapac/stm32u031r8" ]
stm32u073c8 = [ "stm32-metapac/stm32u073c8" ]
stm32u073cb = [ "stm32-metapac/stm32u073cb" ]
stm32u073cc = [ "stm32-metapac/stm32u073cc" ]
stm32u073h8 = [ "stm32-metapac/stm32u073h8" ]
stm32u073hb = [ "stm32-metapac/stm32u073hb" ]
stm32u073hc = [ "stm32-metapac/stm32u073hc" ]
stm32u073k8 = [ "stm32-metapac/stm32u073k8" ]
stm32u073kb = [ "stm32-metapac/stm32u073kb" ]
stm32u073kc = [ "stm32-metapac/stm32u073kc" ]
stm32u073m8 = [ "stm32-metapac/stm32u073m8" ]
stm32u073mb = [ "stm32-metapac/stm32u073mb" ]
stm32u073mc = [ "stm32-metapac/stm32u073mc" ]
stm32u073r8 = [ "stm32-metapac/stm32u073r8" ]
stm32u073rb = [ "stm32-metapac/stm32u073rb" ]
stm32u073rc = [ "stm32-metapac/stm32u073rc" ]
stm32u083cc = [ "stm32-metapac/stm32u083cc" ]
stm32u083hc = [ "stm32-metapac/stm32u083hc" ]
stm32u083kc = [ "stm32-metapac/stm32u083kc" ]
stm32u083mc = [ "stm32-metapac/stm32u083mc" ]
stm32u083rc = [ "stm32-metapac/stm32u083rc" ]
stm32u535cb = [ "stm32-metapac/stm32u535cb" ]
stm32u535cc = [ "stm32-metapac/stm32u535cc" ]
stm32u535ce = [ "stm32-metapac/stm32u535ce" ]
@ -1474,6 +1507,7 @@ stm32u599vj = [ "stm32-metapac/stm32u599vj" ]
stm32u599zi = [ "stm32-metapac/stm32u599zi" ]
stm32u599zj = [ "stm32-metapac/stm32u599zj" ]
stm32u5a5aj = [ "stm32-metapac/stm32u5a5aj" ]
stm32u5a5qi = [ "stm32-metapac/stm32u5a5qi" ]
stm32u5a5qj = [ "stm32-metapac/stm32u5a5qj" ]
stm32u5a5rj = [ "stm32-metapac/stm32u5a5rj" ]
stm32u5a5vj = [ "stm32-metapac/stm32u5a5vj" ]

16
embassy-stm32/src/exti.rs
View file

@ -27,11 +27,11 @@ fn cpu_regs() -> pac::exti::Exti {
EXTI
}
#[cfg(not(any(exti_c0, exti_g0, exti_l5, gpio_v1, exti_u5, exti_h5, exti_h50)))]
#[cfg(not(any(exti_c0, exti_g0, exti_u0, exti_l5, gpio_v1, exti_u5, exti_h5, exti_h50)))]
fn exticr_regs() -> pac::syscfg::Syscfg {
pac::SYSCFG
}
#[cfg(any(exti_c0, exti_g0, exti_l5, exti_u5, exti_h5, exti_h50))]
#[cfg(any(exti_c0, exti_g0, exti_u0, exti_l5, exti_u5, exti_h5, exti_h50))]
fn exticr_regs() -> pac::exti::Exti {
EXTI
}
@ -44,9 +44,9 @@ unsafe fn on_irq() {
#[cfg(feature = "low-power")]
crate::low_power::on_wakeup_irq();
#[cfg(not(any(exti_c0, exti_g0, exti_l5, exti_u5, exti_h5, exti_h50)))]
#[cfg(not(any(exti_c0, exti_g0, exti_u0, exti_l5, exti_u5, exti_h5, exti_h50)))]
let bits = EXTI.pr(0).read().0;
#[cfg(any(exti_c0, exti_g0, exti_l5, exti_u5, exti_h5, exti_h50))]
#[cfg(any(exti_c0, exti_g0, exti_u0, exti_l5, exti_u5, exti_h5, exti_h50))]
let bits = EXTI.rpr(0).read().0 | EXTI.fpr(0).read().0;
// We don't handle or change any EXTI lines above 16.
@ -61,9 +61,9 @@ unsafe fn on_irq() {
}
// Clear pending
#[cfg(not(any(exti_c0, exti_g0, exti_l5, exti_u5, exti_h5, exti_h50)))]
#[cfg(not(any(exti_c0, exti_g0, exti_u0, exti_l5, exti_u5, exti_h5, exti_h50)))]
EXTI.pr(0).write_value(Lines(bits));
#[cfg(any(exti_c0, exti_g0, exti_l5, exti_u5, exti_h5, exti_h50))]
#[cfg(any(exti_c0, exti_g0, exti_u0, exti_l5, exti_u5, exti_h5, exti_h50))]
{
EXTI.rpr(0).write_value(Lines(bits));
EXTI.fpr(0).write_value(Lines(bits));
@ -241,9 +241,9 @@ impl<'a> ExtiInputFuture<'a> {
EXTI.ftsr(0).modify(|w| w.set_line(pin, falling));
// clear pending bit
#[cfg(not(any(exti_c0, exti_g0, exti_l5, exti_u5, exti_h5, exti_h50)))]
#[cfg(not(any(exti_c0, exti_g0, exti_u0, exti_l5, exti_u5, exti_h5, exti_h50)))]
EXTI.pr(0).write(|w| w.set_line(pin, true));
#[cfg(any(exti_c0, exti_g0, exti_l5, exti_u5, exti_h5, exti_h50))]
#[cfg(any(exti_c0, exti_g0, exti_u0, exti_l5, exti_u5, exti_h5, exti_h50))]
{
EXTI.rpr(0).write(|w| w.set_line(pin, true));
EXTI.fpr(0).write(|w| w.set_line(pin, true));

28
embassy-stm32/src/rcc/l.rs
View file

@ -49,6 +49,7 @@ pub struct Config {
pub sys: Sysclk,
pub ahb_pre: AHBPrescaler,
pub apb1_pre: APBPrescaler,
#[cfg(not(stm32u0))]
pub apb2_pre: APBPrescaler,
#[cfg(any(stm32wl5x, stm32wb))]
pub core2_ahb_pre: AHBPrescaler,
@ -75,6 +76,7 @@ impl Default for Config {
sys: Sysclk::MSI,
ahb_pre: AHBPrescaler::DIV1,
apb1_pre: APBPrescaler::DIV1,
#[cfg(not(stm32u0))]
apb2_pre: APBPrescaler::DIV1,
#[cfg(any(stm32wl5x, stm32wb))]
core2_ahb_pre: AHBPrescaler::DIV1,
@ -130,7 +132,7 @@ pub const WPAN_DEFAULT: Config = Config {
};
fn msi_enable(range: MSIRange) {
#[cfg(any(stm32l4, stm32l5, stm32wb, stm32wl))]
#[cfg(any(stm32l4, stm32l5, stm32wb, stm32wl, stm32u0))]
RCC.cr().modify(|w| {
#[cfg(not(stm32wb))]
w.set_msirgsel(crate::pac::rcc::vals::Msirgsel::CR);
@ -240,7 +242,7 @@ pub(crate) unsafe fn init(config: Config) {
let pll_input = PllInput {
hse,
hsi,
#[cfg(any(stm32l4, stm32l5, stm32wb, stm32wl))]
#[cfg(any(stm32l4, stm32l5, stm32wb, stm32wl, stm32u0))]
msi,
};
let pll = init_pll(PllInstance::Pll, config.pll, &pll_input);
@ -254,6 +256,10 @@ pub(crate) unsafe fn init(config: Config) {
Sysclk::HSI => hsi.unwrap(),
Sysclk::MSI => msi.unwrap(),
Sysclk::PLL1_R => pll.r.unwrap(),
#[cfg(stm32u0)]
Sysclk::LSI | Sysclk::LSE => todo!(),
#[cfg(stm32u0)]
Sysclk::_RESERVED_6 | Sysclk::_RESERVED_7 => unreachable!(),
};
#[cfg(rcc_l4plus)]
@ -263,6 +269,7 @@ pub(crate) unsafe fn init(config: Config) {
let hclk1 = sys_clk / config.ahb_pre;
let (pclk1, pclk1_tim) = super::util::calc_pclk(hclk1, config.apb1_pre);
#[cfg(not(stm32u0))]
let (pclk2, pclk2_tim) = super::util::calc_pclk(hclk1, config.apb2_pre);
#[cfg(any(stm32l4, stm32l5, stm32wlex))]
let hclk2 = hclk1;
@ -315,6 +322,13 @@ pub(crate) unsafe fn init(config: Config) {
..=64_000_000 => 3,
_ => 4,
};
#[cfg(stm32u0)]
let latency = match hclk1.0 {
// VOS RANGE1, others TODO.
..=24_000_000 => 0,
..=48_000_000 => 1,
_ => 2,
};
#[cfg(stm32l1)]
FLASH.acr().write(|w| w.set_acc64(true));
@ -326,7 +340,11 @@ pub(crate) unsafe fn init(config: Config) {
RCC.cfgr().modify(|w| {
w.set_sw(config.sys);
w.set_hpre(config.ahb_pre);
#[cfg(stm32u0)]
w.set_ppre(config.apb1_pre);
#[cfg(not(stm32u0))]
w.set_ppre1(config.apb1_pre);
#[cfg(not(stm32u0))]
w.set_ppre2(config.apb2_pre);
});
while RCC.cfgr().read().sws() != config.sys {}
@ -353,8 +371,10 @@ pub(crate) unsafe fn init(config: Config) {
#[cfg(any(stm32l4, stm32l5, stm32wb, stm32wl))]
hclk3: Some(hclk3),
pclk1: Some(pclk1),
#[cfg(not(stm32u0))]
pclk2: Some(pclk2),
pclk1_tim: Some(pclk1_tim),
#[cfg(not(stm32u0))]
pclk2_tim: Some(pclk2_tim),
#[cfg(stm32wl)]
pclk3: Some(hclk3),
@ -408,7 +428,7 @@ fn msirange_to_hertz(range: MSIRange) -> Hertz {
Hertz(32_768 * (1 << (range as u8 + 1)))
}
#[cfg(any(stm32l4, stm32l5, stm32wb, stm32wl))]
#[cfg(any(stm32l4, stm32l5, stm32wb, stm32wl, stm32u0))]
fn msirange_to_hertz(range: MSIRange) -> Hertz {
match range {
MSIRange::RANGE100K => Hertz(100_000),
@ -521,7 +541,7 @@ mod pll {
}
}
#[cfg(any(stm32l4, stm32l5, stm32wb, stm32wl))]
#[cfg(any(stm32l4, stm32l5, stm32wb, stm32wl, stm32u0))]
mod pll {
use super::{pll_enable, PllInstance};
pub use crate::pac::rcc::vals::{

2
embassy-stm32/src/rcc/mco.rs
View file

@ -52,7 +52,7 @@ macro_rules! impl_peri {
};
}
#[cfg(any(rcc_c0, rcc_g0))]
#[cfg(any(rcc_c0, rcc_g0, rcc_u0))]
#[allow(unused_imports)]
use self::{McoSource as Mco1Source, McoSource as Mco2Source};

2
embassy-stm32/src/rcc/mod.rs
View file

@ -25,7 +25,7 @@ pub use hsi48::*;
#[cfg_attr(stm32g0, path = "g0.rs")]
#[cfg_attr(stm32g4, path = "g4.rs")]
#[cfg_attr(any(stm32h5, stm32h7), path = "h.rs")]
#[cfg_attr(any(stm32l0, stm32l1, stm32l4, stm32l5, stm32wb, stm32wl), path = "l.rs")]
#[cfg_attr(any(stm32l0, stm32l1, stm32l4, stm32l5, stm32wb, stm32wl, stm32u0), path = "l.rs")]
#[cfg_attr(stm32u5, path = "u5.rs")]
#[cfg_attr(stm32wba, path = "wba.rs")]
mod _version;

9
examples/stm32u0/.cargo/config.toml Normal file
View file

@ -0,0 +1,9 @@
[target.'cfg(all(target_arch = "arm", target_os = "none"))']
# replace stm32u083rctx with your chip as listed in `probe-rs chip list`
runner = "probe-rs run --chip stm32u083rctx"
[build]
target = "thumbv6m-none-eabi"
[env]
DEFMT_LOG = "trace"

25
examples/stm32u0/Cargo.toml Normal file
View file

@ -0,0 +1,25 @@
[package]
edition = "2021"
name = "embassy-stm32u0-examples"
version = "0.1.0"
license = "MIT OR Apache-2.0"
[dependencies]
# Change stm32u083rc to your chip name, if necessary.
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "time-driver-any", "stm32u083rc", "memory-x", "unstable-pac", "exti"] }
embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
embassy-executor = { version = "0.5.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
embassy-time = { version = "0.3.0", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
defmt = "0.3"
defmt-rtt = "0.4"
cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
cortex-m-rt = "0.7.0"
embedded-hal = "0.2.6"
panic-probe = { version = "0.3", features = ["print-defmt"] }
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
heapless = { version = "0.8", default-features = false }
[profile.release]
debug = 2

5
examples/stm32u0/build.rs Normal file
View file

@ -0,0 +1,5 @@
fn main() {
println!("cargo:rustc-link-arg-bins=--nmagic");
println!("cargo:rustc-link-arg-bins=-Tlink.x");
println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
}

26
examples/stm32u0/src/bin/blinky.rs Normal file
View file

@ -0,0 +1,26 @@
#![no_std]
#![no_main]
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::gpio::{Level, Output, Speed};
use embassy_time::Timer;
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
info!("Hello World!");
let mut led = Output::new(p.PA5, Level::High, Speed::Low);
loop {
info!("high");
led.set_high();
Timer::after_millis(300).await;
info!("low");
led.set_low();
Timer::after_millis(300).await;
}
}

24
examples/stm32u0/src/bin/button.rs Normal file
View file

@ -0,0 +1,24 @@
#![no_std]
#![no_main]
use cortex_m_rt::entry;
use defmt::*;
use embassy_stm32::gpio::{Input, Pull};
use {defmt_rtt as _, panic_probe as _};
#[entry]
fn main() -> ! {
info!("Hello World!");
let p = embassy_stm32::init(Default::default());
let button = Input::new(p.PC13, Pull::Up);
loop {
if button.is_high() {
info!("high");
} else {
info!("low");
}
}
}

25
examples/stm32u0/src/bin/button_exti.rs Normal file
View file

@ -0,0 +1,25 @@
#![no_std]
#![no_main]
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::exti::ExtiInput;
use embassy_stm32::gpio::Pull;
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
info!("Hello World!");
let mut button = ExtiInput::new(p.PC13, p.EXTI13, Pull::Up);
info!("Press the USER button...");
loop {
button.wait_for_falling_edge().await;
info!("Pressed!");
button.wait_for_rising_edge().await;
info!("Released!");
}
}