diff --git a/embassy-stm32/Cargo.toml b/embassy-stm32/Cargo.toml
index 5258e4c7..20c5155a 100644
--- a/embassy-stm32/Cargo.toml
+++ b/embassy-stm32/Cargo.toml
@@ -59,7 +59,7 @@ sdio-host = "0.5.0"
embedded-sdmmc = { git = "https://github.com/embassy-rs/embedded-sdmmc-rs", rev = "a4f293d3a6f72158385f79c98634cb8a14d0d2fc", optional = true }
critical-section = "1.1"
atomic-polyfill = "1.0.1"
-stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-f0f06b4c95bd9e185e4aa5f2e1d4b76ba84f1594" }
+stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-a7bf7f02d1e0bc720c24dbb8881677a298890365" }
vcell = "0.1.3"
bxcan = "0.7.0"
nb = "1.0.0"
@@ -78,7 +78,7 @@ critical-section = { version = "1.1", features = ["std"] }
[build-dependencies]
proc-macro2 = "1.0.36"
quote = "1.0.15"
-stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-f0f06b4c95bd9e185e4aa5f2e1d4b76ba84f1594", default-features = false, features = ["metadata"]}
+stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-a7bf7f02d1e0bc720c24dbb8881677a298890365", default-features = false, features = ["metadata"]}
[features]
diff --git a/embassy-stm32/build.rs b/embassy-stm32/build.rs
index a6a83088..3f85d9e6 100644
--- a/embassy-stm32/build.rs
+++ b/embassy-stm32/build.rs
@@ -52,7 +52,11 @@ fn main() {
"rcc" => {
for pin in p.pins {
if pin.signal.starts_with("MCO") {
- singletons.push(pin.signal.replace('_', "").to_string());
+ let name = pin.signal.replace('_', "").to_string();
+ if !singletons.contains(&name) {
+ println!("cargo:rustc-cfg={}", name.to_ascii_lowercase());
+ singletons.push(name);
+ }
}
}
singletons.push(p.name.to_string());
diff --git a/embassy-stm32/src/rcc/f4.rs b/embassy-stm32/src/rcc/f4.rs
index 5ba958a0..ad106ce3 100644
--- a/embassy-stm32/src/rcc/f4.rs
+++ b/embassy-stm32/src/rcc/f4.rs
@@ -1,16 +1,8 @@
-use core::marker::PhantomData;
-
-use embassy_hal_internal::into_ref;
-use stm32_metapac::rcc::vals::{Mco1, Mco2, Mcopre};
-
-use crate::gpio::sealed::AFType;
-use crate::gpio::Speed;
use crate::pac::rcc::vals::{Hpre, Ppre, Sw};
use crate::pac::{FLASH, PWR, RCC};
use crate::rcc::bd::{BackupDomain, RtcClockSource};
use crate::rcc::{set_freqs, Clocks};
use crate::time::Hertz;
-use crate::{peripherals, Peripheral};
/// HSI speed
pub const HSI_FREQ: Hertz = Hertz(16_000_000);
@@ -197,164 +189,6 @@ fn setup_pll(
}
}
-pub enum McoClock {
- DIV1,
- DIV2,
- DIV3,
- DIV4,
- DIV5,
-}
-
-impl McoClock {
- fn into_raw(&self) -> Mcopre {
- match self {
- McoClock::DIV1 => Mcopre::DIV1,
- McoClock::DIV2 => Mcopre::DIV2,
- McoClock::DIV3 => Mcopre::DIV3,
- McoClock::DIV4 => Mcopre::DIV4,
- McoClock::DIV5 => Mcopre::DIV5,
- }
- }
-}
-
-#[derive(Copy, Clone)]
-pub enum Mco1Source {
- Hsi,
- Lse,
- Hse,
- Pll,
-}
-
-impl Default for Mco1Source {
- fn default() -> Self {
- Self::Hsi
- }
-}
-
-pub trait McoSource {
- type Raw;
-
- fn into_raw(&self) -> Self::Raw;
-}
-
-impl McoSource for Mco1Source {
- type Raw = Mco1;
- fn into_raw(&self) -> Self::Raw {
- match self {
- Mco1Source::Hsi => Mco1::HSI,
- Mco1Source::Lse => Mco1::LSE,
- Mco1Source::Hse => Mco1::HSE,
- Mco1Source::Pll => Mco1::PLL,
- }
- }
-}
-
-#[derive(Copy, Clone)]
-pub enum Mco2Source {
- SysClk,
- Plli2s,
- Hse,
- Pll,
-}
-
-impl Default for Mco2Source {
- fn default() -> Self {
- Self::SysClk
- }
-}
-
-impl McoSource for Mco2Source {
- type Raw = Mco2;
- fn into_raw(&self) -> Self::Raw {
- match self {
- Mco2Source::SysClk => Mco2::SYSCLK,
- Mco2Source::Plli2s => Mco2::PLLI2S,
- Mco2Source::Hse => Mco2::HSE,
- Mco2Source::Pll => Mco2::PLL,
- }
- }
-}
-
-pub(crate) mod sealed {
- use stm32_metapac::rcc::vals::Mcopre;
- pub trait McoInstance {
- type Source;
- unsafe fn apply_clock_settings(source: Self::Source, prescaler: Mcopre);
- }
-}
-
-pub trait McoInstance: sealed::McoInstance + 'static {}
-
-pin_trait!(McoPin, McoInstance);
-
-impl sealed::McoInstance for peripherals::MCO1 {
- type Source = Mco1;
- unsafe fn apply_clock_settings(source: Self::Source, prescaler: Mcopre) {
- RCC.cfgr().modify(|w| {
- w.set_mco1(source);
- w.set_mco1pre(prescaler);
- });
- match source {
- Mco1::PLL => {
- RCC.cr().modify(|w| w.set_pllon(true));
- while !RCC.cr().read().pllrdy() {}
- }
- Mco1::HSI => {
- RCC.cr().modify(|w| w.set_hsion(true));
- while !RCC.cr().read().hsirdy() {}
- }
- _ => {}
- }
- }
-}
-impl McoInstance for peripherals::MCO1 {}
-
-impl sealed::McoInstance for peripherals::MCO2 {
- type Source = Mco2;
- unsafe fn apply_clock_settings(source: Self::Source, prescaler: Mcopre) {
- RCC.cfgr().modify(|w| {
- w.set_mco2(source);
- w.set_mco2pre(prescaler);
- });
- match source {
- Mco2::PLL => {
- RCC.cr().modify(|w| w.set_pllon(true));
- while !RCC.cr().read().pllrdy() {}
- }
- #[cfg(not(stm32f410))]
- Mco2::PLLI2S => {
- RCC.cr().modify(|w| w.set_plli2son(true));
- while !RCC.cr().read().plli2srdy() {}
- }
- _ => {}
- }
- }
-}
-impl McoInstance for peripherals::MCO2 {}
-
-pub struct Mco<'d, T: McoInstance> {
- phantom: PhantomData<&'d mut T>,
-}
-
-impl<'d, T: McoInstance> Mco<'d, T> {
- pub fn new(
- _peri: impl Peripheral + 'd,
- pin: impl Peripheral
> + 'd,
- source: impl McoSource,
- prescaler: McoClock,
- ) -> Self {
- into_ref!(pin);
-
- critical_section::with(|_| unsafe {
- T::apply_clock_settings(source.into_raw(), prescaler.into_raw());
- pin.set_as_af(pin.af_num(), AFType::OutputPushPull);
- pin.set_speed(Speed::VeryHigh);
- });
-
- Self { phantom: PhantomData }
- }
-}
-
fn flash_setup(sysclk: u32) {
use crate::pac::flash::vals::Latency;
diff --git a/embassy-stm32/src/rcc/l4.rs b/embassy-stm32/src/rcc/l4.rs
index 3a24eca8..2fbb9920 100644
--- a/embassy-stm32/src/rcc/l4.rs
+++ b/embassy-stm32/src/rcc/l4.rs
@@ -1,18 +1,11 @@
-use core::marker::PhantomData;
-
-use embassy_hal_internal::into_ref;
use stm32_metapac::rcc::regs::Cfgr;
-use stm32_metapac::rcc::vals::{Mcopre, Mcosel};
pub use super::bus::{AHBPrescaler, APBPrescaler};
-use crate::gpio::sealed::AFType;
-use crate::gpio::Speed;
use crate::pac::rcc::vals::{Hpre, Msirange, Pllsrc, Ppre, Sw};
use crate::pac::{FLASH, RCC};
use crate::rcc::bd::{BackupDomain, RtcClockSource};
use crate::rcc::{set_freqs, Clocks};
use crate::time::Hertz;
-use crate::{peripherals, Peripheral};
/// HSI speed
pub const HSI_FREQ: Hertz = Hertz(16_000_000);
@@ -263,131 +256,6 @@ impl Default for Config {
}
}
-pub enum McoClock {
- DIV1,
- DIV2,
- DIV4,
- DIV8,
- DIV16,
-}
-
-impl McoClock {
- fn into_raw(&self) -> Mcopre {
- match self {
- McoClock::DIV1 => Mcopre::DIV1,
- McoClock::DIV2 => Mcopre::DIV2,
- McoClock::DIV4 => Mcopre::DIV4,
- McoClock::DIV8 => Mcopre::DIV8,
- McoClock::DIV16 => Mcopre::DIV16,
- }
- }
-}
-
-#[derive(Copy, Clone)]
-pub enum Mco1Source {
- Disabled,
- Lse,
- Lsi,
- Hse,
- Hsi16,
- PllClk,
- SysClk,
- Msi,
- #[cfg(not(any(stm32l471, stm32l475, stm32l476, stm32l486)))]
- Hsi48,
-}
-
-impl Default for Mco1Source {
- fn default() -> Self {
- Self::Hsi16
- }
-}
-
-pub trait McoSource {
- type Raw;
-
- fn into_raw(&self) -> Self::Raw;
-}
-
-impl McoSource for Mco1Source {
- type Raw = Mcosel;
- fn into_raw(&self) -> Self::Raw {
- match self {
- Mco1Source::Disabled => Mcosel::NOCLOCK,
- Mco1Source::Lse => Mcosel::LSE,
- Mco1Source::Lsi => Mcosel::LSI,
- Mco1Source::Hse => Mcosel::HSE,
- Mco1Source::Hsi16 => Mcosel::HSI16,
- Mco1Source::PllClk => Mcosel::PLL,
- Mco1Source::SysClk => Mcosel::SYSCLK,
- Mco1Source::Msi => Mcosel::MSI,
- #[cfg(not(any(stm32l471, stm32l475, stm32l476, stm32l486)))]
- Mco1Source::Hsi48 => Mcosel::HSI48,
- }
- }
-}
-
-pub(crate) mod sealed {
- use stm32_metapac::rcc::vals::Mcopre;
- pub trait McoInstance {
- type Source;
- unsafe fn apply_clock_settings(source: Self::Source, prescaler: Mcopre);
- }
-}
-
-pub trait McoInstance: sealed::McoInstance + 'static {}
-
-pin_trait!(McoPin, McoInstance);
-
-impl sealed::McoInstance for peripherals::MCO {
- type Source = Mcosel;
-
- unsafe fn apply_clock_settings(source: Self::Source, prescaler: Mcopre) {
- RCC.cfgr().modify(|w| {
- w.set_mcosel(source);
- w.set_mcopre(prescaler);
- });
-
- match source {
- Mcosel::HSI16 => {
- RCC.cr().modify(|w| w.set_hsion(true));
- while !RCC.cr().read().hsirdy() {}
- }
- #[cfg(not(any(stm32l471, stm32l475, stm32l476, stm32l486)))]
- Mcosel::HSI48 => {
- RCC.crrcr().modify(|w| w.set_hsi48on(true));
- while !RCC.crrcr().read().hsi48rdy() {}
- }
- _ => {}
- }
- }
-}
-
-impl McoInstance for peripherals::MCO {}
-
-pub struct Mco<'d, T: McoInstance> {
- phantom: PhantomData<&'d mut T>,
-}
-
-impl<'d, T: McoInstance> Mco<'d, T> {
- pub fn new(
- _peri: impl Peripheral + 'd,
- pin: impl Peripheral
> + 'd,
- source: impl McoSource,
- prescaler: McoClock,
- ) -> Self {
- into_ref!(pin);
-
- critical_section::with(|_| unsafe {
- T::apply_clock_settings(source.into_raw(), prescaler.into_raw());
- pin.set_as_af(pin.af_num(), AFType::OutputPushPull);
- pin.set_speed(Speed::VeryHigh);
- });
-
- Self { phantom: PhantomData }
- }
-}
-
pub(crate) unsafe fn init(config: Config) {
// Switch to MSI to prevent problems with PLL configuration.
if !RCC.cr().read().msion() {
diff --git a/embassy-stm32/src/rcc/mco.rs b/embassy-stm32/src/rcc/mco.rs
index 85665fd2..eaaf8071 100644
--- a/embassy-stm32/src/rcc/mco.rs
+++ b/embassy-stm32/src/rcc/mco.rs
@@ -4,18 +4,19 @@ use embassy_hal_internal::into_ref;
use crate::gpio::sealed::AFType;
use crate::gpio::Speed;
-#[cfg(not(stm32wl))]
-pub use crate::pac::rcc::vals::{Mco1 as Mco1Source, Mco2 as Mco2Source};
-#[cfg(stm32wl)]
-pub use crate::pac::rcc::vals::{Mcopre, Mcosel};
+#[cfg(not(stm32f1))]
+pub use crate::pac::rcc::vals::Mcopre as McoPrescaler;
+#[cfg(not(any(rcc_f2, rcc_f410, rcc_f4, rcc_f7, rcc_h50, rcc_h5, rcc_h7ab, rcc_h7rm0433, rcc_h7)))]
+pub use crate::pac::rcc::vals::Mcosel as McoSource;
+#[cfg(any(rcc_f2, rcc_f410, rcc_f4, rcc_f7, rcc_h50, rcc_h5, rcc_h7ab, rcc_h7rm0433, rcc_h7))]
+pub use crate::pac::rcc::vals::{Mco1sel as Mco1Source, Mco2sel as Mco2Source};
use crate::pac::RCC;
use crate::{peripherals, Peripheral};
pub(crate) mod sealed {
pub trait McoInstance {
type Source;
- type Prescaler;
- unsafe fn apply_clock_settings(source: Self::Source, prescaler: Self::Prescaler);
+ unsafe fn apply_clock_settings(source: Self::Source, #[cfg(not(stm32f1))] prescaler: super::McoPrescaler);
}
}
@@ -24,14 +25,19 @@ pub trait McoInstance: sealed::McoInstance + 'static {}
pin_trait!(McoPin, McoInstance);
macro_rules! impl_peri {
- ($peri:ident, $source:ident, $prescaler:ident, $set_source:ident, $set_prescaler:ident) => {
+ ($peri:ident, $source:ident, $set_source:ident, $set_prescaler:ident) => {
impl sealed::McoInstance for peripherals::$peri {
type Source = $source;
- type Prescaler = $prescaler;
- unsafe fn apply_clock_settings(source: Self::Source, prescaler: Self::Prescaler) {
- RCC.cfgr().modify(|w| {
+ unsafe fn apply_clock_settings(source: Self::Source, #[cfg(not(stm32f1))] prescaler: McoPrescaler) {
+ #[cfg(not(any(stm32u5, stm32wba)))]
+ let r = RCC.cfgr();
+ #[cfg(any(stm32u5, stm32wba))]
+ let r = RCC.cfgr1();
+
+ r.modify(|w| {
w.$set_source(source);
+ #[cfg(not(stm32f1))]
w.$set_prescaler(prescaler);
});
}
@@ -41,12 +47,16 @@ macro_rules! impl_peri {
};
}
-#[cfg(not(stm32wl))]
-impl_peri!(MCO1, Mco1Source, u8, set_mco1, set_mco1pre);
-#[cfg(not(stm32wl))]
-impl_peri!(MCO2, Mco2Source, u8, set_mco2, set_mco2pre);
-#[cfg(stm32wl)]
-impl_peri!(MCO, Mcosel, Mcopre, set_mcosel, set_mcopre);
+#[cfg(any(rcc_c0, rcc_g0))]
+#[allow(unused_imports)]
+use self::{McoSource as Mco1Source, McoSource as Mco2Source};
+
+#[cfg(mco)]
+impl_peri!(MCO, McoSource, set_mcosel, set_mcopre);
+#[cfg(mco1)]
+impl_peri!(MCO1, Mco1Source, set_mco1sel, set_mco1pre);
+#[cfg(mco2)]
+impl_peri!(MCO2, Mco2Source, set_mco2sel, set_mco2pre);
pub struct Mco<'d, T: McoInstance> {
phantom: PhantomData<&'d mut T>,
@@ -54,24 +64,20 @@ pub struct Mco<'d, T: McoInstance> {
impl<'d, T: McoInstance> Mco<'d, T> {
/// Create a new MCO instance.
- ///
- /// `prescaler` must be between 1 and 15 for implementations not using Presel enum.
pub fn new(
_peri: impl Peripheral + 'd,
pin: impl Peripheral
> + 'd,
source: T::Source,
- prescaler: T::Prescaler,
+ #[cfg(not(stm32f1))] prescaler: McoPrescaler,
) -> Self {
into_ref!(pin);
- #[cfg(not(stm32wl))]
- assert!(
- 1 <= prescaler && prescaler <= 15,
- "Mco prescaler must be between 1 and 15. Refer to the reference manual for more information."
- );
-
critical_section::with(|_| unsafe {
- T::apply_clock_settings(source, prescaler);
+ T::apply_clock_settings(
+ source,
+ #[cfg(not(stm32f1))]
+ prescaler,
+ );
pin.set_as_af(pin.af_num(), AFType::OutputPushPull);
pin.set_speed(Speed::VeryHigh);
});
diff --git a/embassy-stm32/src/rcc/mod.rs b/embassy-stm32/src/rcc/mod.rs
index f7e3ecdb..a3299089 100644
--- a/embassy-stm32/src/rcc/mod.rs
+++ b/embassy-stm32/src/rcc/mod.rs
@@ -7,9 +7,7 @@ use crate::time::Hertz;
pub(crate) mod bd;
mod bus;
-#[cfg(any(stm32h5, stm32h7, stm32wl))]
mod mco;
-#[cfg(any(stm32h5, stm32h7, stm32wl))]
pub use mco::*;
#[cfg_attr(rcc_f0, path = "f0.rs")]
diff --git a/examples/stm32f4/src/bin/mco.rs b/examples/stm32f4/src/bin/mco.rs
index 2b9ceebc..5144a78c 100644
--- a/examples/stm32f4/src/bin/mco.rs
+++ b/examples/stm32f4/src/bin/mco.rs
@@ -5,7 +5,7 @@
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_stm32::rcc::{Mco, Mco1Source, Mco2Source, McoClock};
+use embassy_stm32::rcc::{Mco, Mco1Source, Mco2Source, McoPrescaler};
use embassy_time::{Duration, Timer};
use {defmt_rtt as _, panic_probe as _};
@@ -14,8 +14,8 @@ async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
info!("Hello World!");
- let _mco1 = Mco::new(p.MCO1, p.PA8, Mco1Source::Hsi, McoClock::DIV1);
- let _mco2 = Mco::new(p.MCO2, p.PC9, Mco2Source::Pll, McoClock::DIV4);
+ let _mco1 = Mco::new(p.MCO1, p.PA8, Mco1Source::HSI, McoPrescaler::DIV1);
+ let _mco2 = Mco::new(p.MCO2, p.PC9, Mco2Source::PLL, McoPrescaler::DIV4);
let mut led = Output::new(p.PB7, Level::High, Speed::Low);
loop {
diff --git a/examples/stm32h7/src/bin/camera.rs b/examples/stm32h7/src/bin/camera.rs
index de8ddc29..0ea8b449 100644
--- a/examples/stm32h7/src/bin/camera.rs
+++ b/examples/stm32h7/src/bin/camera.rs
@@ -6,7 +6,7 @@ use embassy_executor::Spawner;
use embassy_stm32::dcmi::{self, *};
use embassy_stm32::gpio::{Level, Output, Speed};
use embassy_stm32::i2c::I2c;
-use embassy_stm32::rcc::{Mco, Mco1Source};
+use embassy_stm32::rcc::{Mco, Mco1Source, McoPrescaler};
use embassy_stm32::time::khz;
use embassy_stm32::{bind_interrupts, i2c, peripherals, Config};
use embassy_time::{Duration, Timer};
@@ -49,7 +49,7 @@ async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(config);
defmt::info!("Hello World!");
- let mco = Mco::new(p.MCO1, p.PA8, Mco1Source::HSI, 3);
+ let mco = Mco::new(p.MCO1, p.PA8, Mco1Source::HSI, McoPrescaler::DIV3);
let mut led = Output::new(p.PE3, Level::High, Speed::Low);
let cam_i2c = I2c::new(
diff --git a/examples/stm32h7/src/bin/mco.rs b/examples/stm32h7/src/bin/mco.rs
index 9d6d805a..de89aee2 100644
--- a/examples/stm32h7/src/bin/mco.rs
+++ b/examples/stm32h7/src/bin/mco.rs
@@ -5,7 +5,7 @@
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_stm32::rcc::{Mco, Mco1Source};
+use embassy_stm32::rcc::{Mco, Mco1Source, McoPrescaler};
use embassy_time::{Duration, Timer};
use {defmt_rtt as _, panic_probe as _};
@@ -16,7 +16,7 @@ async fn main(_spawner: Spawner) {
let mut led = Output::new(p.PB14, Level::High, Speed::Low);
- let _mco = Mco::new(p.MCO1, p.PA8, Mco1Source::HSI, 8);
+ let _mco = Mco::new(p.MCO1, p.PA8, Mco1Source::HSI, McoPrescaler::DIV8);
loop {
info!("high");
diff --git a/examples/stm32l4/src/bin/mco.rs b/examples/stm32l4/src/bin/mco.rs
index dea0c66e..8d35af78 100644
--- a/examples/stm32l4/src/bin/mco.rs
+++ b/examples/stm32l4/src/bin/mco.rs
@@ -5,7 +5,7 @@
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_stm32::rcc::{Mco, Mco1Source, McoClock};
+use embassy_stm32::rcc::{Mco, McoPrescaler, McoSource};
use embassy_time::{Duration, Timer};
use {defmt_rtt as _, panic_probe as _};
@@ -14,7 +14,7 @@ async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
info!("Hello World!");
- let _mco = Mco::new(p.MCO, p.PA8, Mco1Source::Hsi16, McoClock::DIV1);
+ let _mco = Mco::new(p.MCO, p.PA8, McoSource::HSI16, McoPrescaler::DIV1);
let mut led = Output::new(p.PB14, Level::High, Speed::Low);