diff --git a/embassy-stm32/Cargo.toml b/embassy-stm32/Cargo.toml index 568a7eeb..99288340 100644 --- a/embassy-stm32/Cargo.toml +++ b/embassy-stm32/Cargo.toml @@ -58,7 +58,7 @@ rand_core = "0.6.3" sdio-host = "0.5.0" embedded-sdmmc = { git = "https://github.com/embassy-rs/embedded-sdmmc-rs", rev = "a4f293d3a6f72158385f79c98634cb8a14d0d2fc", optional = true } critical-section = "1.1" -stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-4ddcb77c9d213d11eebb048f40e112bc54163cdc" } +stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-bcc9b6bf9fa195e91625849efc4ba473d9ace4e9" } vcell = "0.1.3" bxcan = "0.7.0" nb = "1.0.0" @@ -76,7 +76,7 @@ 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-4ddcb77c9d213d11eebb048f40e112bc54163cdc", default-features = false, features = ["metadata"]} +stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-bcc9b6bf9fa195e91625849efc4ba473d9ace4e9", default-features = false, features = ["metadata"]} [features] diff --git a/embassy-stm32/src/rcc/l4l5.rs b/embassy-stm32/src/rcc/l4l5.rs index b5696227..50128d38 100644 --- a/embassy-stm32/src/rcc/l4l5.rs +++ b/embassy-stm32/src/rcc/l4l5.rs @@ -1,7 +1,8 @@ use crate::pac::rcc::regs::Cfgr; -#[cfg(not(stm32wl))] +#[cfg(any(stm32l4, stm32l5, stm32wb))] pub use crate::pac::rcc::vals::Clk48sel as Clk48Src; -use crate::pac::rcc::vals::Msirgsel; +#[cfg(any(stm32wb, stm32wl))] +pub use crate::pac::rcc::vals::Hsepre as HsePrescaler; pub use crate::pac::rcc::vals::{ Hpre as AHBPrescaler, Msirange as MSIRange, Pllm as PllPreDiv, Plln as PllMul, Pllp as PllPDiv, Pllq as PllQDiv, Pllr as PllRDiv, Pllsrc as PLLSource, Ppre as APBPrescaler, Sw as ClockSrc, @@ -27,6 +28,9 @@ pub struct Hse { pub freq: Hertz, /// HSE mode. pub mode: HseMode, + /// HSE prescaler + #[cfg(any(stm32wb, stm32wl))] + pub prescaler: HsePrescaler, } #[derive(Clone, Copy)] @@ -54,12 +58,12 @@ pub struct Config { pub msi: Option, pub hsi: bool, pub hse: Option, - #[cfg(any(all(stm32l4, not(any(stm32l47x, stm32l48x))), stm32l5))] + #[cfg(any(all(stm32l4, not(any(stm32l47x, stm32l48x))), stm32l5, stm32wb))] pub hsi48: bool, // pll pub pll: Option, - #[cfg(any(stm32l4, stm32l5))] + #[cfg(any(stm32l4, stm32l5, stm32wb))] pub pllsai1: Option, #[cfg(any(stm32l47x, stm32l48x, stm32l49x, stm32l4ax, rcc_l4plus, stm32l5))] pub pllsai2: Option, @@ -69,11 +73,13 @@ pub struct Config { pub ahb_pre: AHBPrescaler, pub apb1_pre: APBPrescaler, pub apb2_pre: APBPrescaler, - #[cfg(stm32wl)] + #[cfg(any(stm32wl5x, stm32wb))] + pub core2_ahb_pre: AHBPrescaler, + #[cfg(any(stm32wl, stm32wb))] pub shared_ahb_pre: AHBPrescaler, // muxes - #[cfg(not(stm32wl))] + #[cfg(any(stm32l4, stm32l5, stm32wb))] pub clk48_src: Clk48Src, // low speed LSI/LSE/RTC @@ -91,28 +97,63 @@ impl Default for Config { ahb_pre: AHBPrescaler::DIV1, apb1_pre: APBPrescaler::DIV1, apb2_pre: APBPrescaler::DIV1, - #[cfg(stm32wl)] + #[cfg(any(stm32wl5x, stm32wb))] + core2_ahb_pre: AHBPrescaler::DIV1, + #[cfg(any(stm32wl, stm32wb))] shared_ahb_pre: AHBPrescaler::DIV1, pll: None, - #[cfg(any(stm32l4, stm32l5))] + #[cfg(any(stm32l4, stm32l5, stm32wb))] pllsai1: None, #[cfg(any(stm32l47x, stm32l48x, stm32l49x, stm32l4ax, rcc_l4plus, stm32l5))] pllsai2: None, - #[cfg(any(all(stm32l4, not(any(stm32l47x, stm32l48x))), stm32l5))] + #[cfg(any(all(stm32l4, not(any(stm32l47x, stm32l48x))), stm32l5, stm32wb))] hsi48: true, - #[cfg(not(stm32wl))] + #[cfg(any(stm32l4, stm32l5, stm32wb))] clk48_src: Clk48Src::HSI48, ls: Default::default(), } } } +#[cfg(stm32wb)] +pub const WPAN_DEFAULT: Config = Config { + hse: Some(Hse { + freq: Hertz(32_000_000), + mode: HseMode::Oscillator, + prescaler: HsePrescaler::DIV1, + }), + mux: ClockSrc::PLL1_R, + hsi48: true, + msi: None, + hsi: false, + clk48_src: Clk48Src::PLL1_Q, + + ls: super::LsConfig::default_lse(), + + pll: Some(Pll { + source: PLLSource::HSE, + prediv: PllPreDiv::DIV2, + mul: PllMul::MUL12, + divp: Some(PllPDiv::DIV3), // 32 / 2 * 12 / 3 = 64Mhz + divq: Some(PllQDiv::DIV4), // 32 / 2 * 12 / 4 = 48Mhz + divr: Some(PllRDiv::DIV3), // 32 / 2 * 12 / 3 = 64Mhz + }), + pllsai1: None, + + ahb_pre: AHBPrescaler::DIV1, + core2_ahb_pre: AHBPrescaler::DIV2, + shared_ahb_pre: AHBPrescaler::DIV1, + apb1_pre: APBPrescaler::DIV1, + apb2_pre: APBPrescaler::DIV1, +}; + pub(crate) unsafe fn init(config: Config) { // Switch to MSI to prevent problems with PLL configuration. if !RCC.cr().read().msion() { // Turn on MSI and configure it to 4MHz. RCC.cr().modify(|w| { - w.set_msirgsel(Msirgsel::CR); + #[cfg(not(stm32wb))] + w.set_msirgsel(crate::pac::rcc::vals::Msirgsel::CR); w.set_msirange(MSIRange::RANGE4M); w.set_msipllen(false); w.set_msion(true) @@ -138,8 +179,9 @@ pub(crate) unsafe fn init(config: Config) { let msi = config.msi.map(|range| { // Enable MSI RCC.cr().modify(|w| { + #[cfg(not(stm32wb))] + w.set_msirgsel(crate::pac::rcc::vals::Msirgsel::CR); w.set_msirange(range); - w.set_msirgsel(Msirgsel::CR); w.set_msion(true); // If LSE is enabled, enable calibration of MSI @@ -173,7 +215,7 @@ pub(crate) unsafe fn init(config: Config) { hse.freq }); - #[cfg(any(all(stm32l4, not(any(stm32l47x, stm32l48x))), stm32l5))] + #[cfg(any(all(stm32l4, not(any(stm32l47x, stm32l48x))), stm32l5, stm32wb))] let hsi48 = config.hsi48.then(|| { RCC.crrcr().modify(|w| w.set_hsi48on(true)); while !RCC.crrcr().read().hsi48rdy() {} @@ -185,7 +227,7 @@ pub(crate) unsafe fn init(config: Config) { let _plls = [ &config.pll, - #[cfg(any(stm32l4, stm32l5))] + #[cfg(any(stm32l4, stm32l5, stm32wb))] &config.pllsai1, #[cfg(any(stm32l47x, stm32l48x, stm32l49x, stm32l4ax, rcc_l4plus, stm32l5))] &config.pllsai2, @@ -214,7 +256,7 @@ pub(crate) unsafe fn init(config: Config) { let pll_input = PllInput { hse, hsi, msi }; let pll = init_pll(PllInstance::Pll, config.pll, &pll_input); - #[cfg(any(stm32l4, stm32l5))] + #[cfg(any(stm32l4, stm32l5, stm32wb))] let pllsai1 = init_pll(PllInstance::Pllsai1, config.pllsai1, &pll_input); #[cfg(any(stm32l47x, stm32l48x, stm32l49x, stm32l4ax, rcc_l4plus, stm32l5))] let _pllsai2 = init_pll(PllInstance::Pllsai2, config.pllsai2, &pll_input); @@ -230,7 +272,7 @@ pub(crate) unsafe fn init(config: Config) { RCC.ccipr().modify(|w| w.set_clk48sel(config.clk48_src)); #[cfg(stm32l5)] RCC.ccipr1().modify(|w| w.set_clk48sel(config.clk48_src)); - #[cfg(not(stm32wl))] + #[cfg(any(stm32l4, stm32l5, stm32wb))] let _clk48 = match config.clk48_src { Clk48Src::HSI48 => hsi48, Clk48Src::MSI => msi, @@ -261,7 +303,9 @@ pub(crate) unsafe fn init(config: Config) { } }; - #[cfg(stm32wl)] + #[cfg(any(stm32wl5x, stm32wb))] + let _ahb2_freq = sys_clk / config.core2_ahb_pre; + #[cfg(any(stm32wl, stm32wb))] let ahb3_freq = sys_clk / config.shared_ahb_pre; // Set flash wait states @@ -290,6 +334,15 @@ pub(crate) unsafe fn init(config: Config) { ..=36_000_000 => 1, _ => 2, }; + #[cfg(stm32wb)] + let latency = match ahb3_freq.0 { + // VOS RANGE1, others TODO. + ..=18_000_000 => 0, + ..=36_000_000 => 1, + ..=54_000_000 => 2, + ..=64_000_000 => 3, + _ => 4, + }; FLASH.acr().modify(|w| w.set_latency(latency)); while FLASH.acr().read().latency() != latency {} @@ -302,12 +355,16 @@ pub(crate) unsafe fn init(config: Config) { }); while RCC.cfgr().read().sws() != config.mux {} - #[cfg(stm32wl)] + #[cfg(any(stm32wl, stm32wb))] { RCC.extcfgr().modify(|w| { w.set_shdhpre(config.shared_ahb_pre); + #[cfg(any(stm32wl5x, stm32wb))] + w.set_c2hpre(config.core2_ahb_pre); }); while !RCC.extcfgr().read().shdhpref() {} + #[cfg(any(stm32wl5x, stm32wb))] + while !RCC.extcfgr().read().c2hpref() {} } set_freqs(Clocks { @@ -387,7 +444,7 @@ struct PllOutput { #[derive(PartialEq, Eq, Clone, Copy)] enum PllInstance { Pll, - #[cfg(any(stm32l4, stm32l5))] + #[cfg(any(stm32l4, stm32l5, stm32wb))] Pllsai1, #[cfg(any(stm32l47x, stm32l48x, stm32l49x, stm32l4ax, rcc_l4plus, stm32l5))] Pllsai2, @@ -400,7 +457,7 @@ fn init_pll(instance: PllInstance, config: Option, input: &PllInput) -> Pll RCC.cr().modify(|w| w.set_pllon(false)); while RCC.cr().read().pllrdy() {} } - #[cfg(any(stm32l4, stm32l5))] + #[cfg(any(stm32l4, stm32l5, stm32wb))] PllInstance::Pllsai1 => { RCC.cr().modify(|w| w.set_pllsai1on(false)); while RCC.cr().read().pllsai1rdy() {} @@ -459,7 +516,7 @@ fn init_pll(instance: PllInstance, config: Option, input: &PllInput) -> Pll w.set_pllsrc(pll.source); write_fields!(w); }), - #[cfg(any(stm32l4, stm32l5))] + #[cfg(any(stm32l4, stm32l5, stm32wb))] PllInstance::Pllsai1 => RCC.pllsai1cfgr().write(|w| { #[cfg(any(rcc_l4plus, stm32l5))] w.set_pllm(pll.prediv); @@ -483,7 +540,7 @@ fn init_pll(instance: PllInstance, config: Option, input: &PllInput) -> Pll RCC.cr().modify(|w| w.set_pllon(true)); while !RCC.cr().read().pllrdy() {} } - #[cfg(any(stm32l4, stm32l5))] + #[cfg(any(stm32l4, stm32l5, stm32wb))] PllInstance::Pllsai1 => { RCC.cr().modify(|w| w.set_pllsai1on(true)); while !RCC.cr().read().pllsai1rdy() {} diff --git a/embassy-stm32/src/rcc/mod.rs b/embassy-stm32/src/rcc/mod.rs index 78d54f80..4f3d5b98 100644 --- a/embassy-stm32/src/rcc/mod.rs +++ b/embassy-stm32/src/rcc/mod.rs @@ -19,9 +19,8 @@ pub use mco::*; #[cfg_attr(rcc_g4, path = "g4.rs")] #[cfg_attr(any(rcc_h5, rcc_h50, rcc_h7, rcc_h7rm0433, rcc_h7ab), path = "h.rs")] #[cfg_attr(any(rcc_l0, rcc_l0_v2, rcc_l1), path = "l0l1.rs")] -#[cfg_attr(any(rcc_l4, rcc_l4plus, rcc_l5, rcc_wl5, rcc_wle), path = "l4l5.rs")] +#[cfg_attr(any(rcc_l4, rcc_l4plus, rcc_l5, rcc_wl5, rcc_wle, rcc_wb), path = "l4l5.rs")] #[cfg_attr(rcc_u5, path = "u5.rs")] -#[cfg_attr(rcc_wb, path = "wb.rs")] #[cfg_attr(rcc_wba, path = "wba.rs")] mod _version; #[cfg(feature = "low-power")] diff --git a/embassy-stm32/src/rcc/wb.rs b/embassy-stm32/src/rcc/wb.rs deleted file mode 100644 index 2d0b2711..00000000 --- a/embassy-stm32/src/rcc/wb.rs +++ /dev/null @@ -1,258 +0,0 @@ -pub use crate::pac::rcc::vals::{ - Hpre as AHBPrescaler, Hsepre as HsePrescaler, Pllm, Plln, Pllp, Pllq, Pllr, Pllsrc as PllSource, - Ppre as APBPrescaler, Sw as Sysclk, -}; -use crate::rcc::{set_freqs, Clocks}; -use crate::time::{mhz, Hertz}; - -/// HSI speed -pub const HSI_FREQ: Hertz = Hertz(16_000_000); - -pub struct Hse { - pub prediv: HsePrescaler, - - pub frequency: Hertz, -} - -pub struct PllMux { - /// Source clock selection. - pub source: PllSource, - - /// PLL pre-divider (DIVM). Must be between 1 and 63. - pub prediv: Pllm, -} - -pub struct Pll { - /// PLL multiplication factor. Must be between 4 and 512. - pub mul: Plln, - - /// PLL P division factor. If None, PLL P output is disabled. Must be between 1 and 128. - /// On PLL1, it must be even (in particular, it cannot be 1.) - pub divp: Option, - /// PLL Q division factor. If None, PLL Q output is disabled. Must be between 1 and 128. - pub divq: Option, - /// PLL R division factor. If None, PLL R output is disabled. Must be between 1 and 128. - pub divr: Option, -} - -/// Clocks configutation -pub struct Config { - pub hse: Option, - pub sys: Sysclk, - pub mux: Option, - pub hsi48: bool, - - pub pll: Option, - pub pllsai: Option, - - pub ahb1_pre: AHBPrescaler, - pub ahb2_pre: AHBPrescaler, - pub ahb3_pre: AHBPrescaler, - pub apb1_pre: APBPrescaler, - pub apb2_pre: APBPrescaler, - - pub ls: super::LsConfig, -} - -pub const WPAN_DEFAULT: Config = Config { - hse: Some(Hse { - frequency: mhz(32), - prediv: HsePrescaler::DIV1, - }), - sys: Sysclk::PLL1_R, - mux: Some(PllMux { - source: PllSource::HSE, - prediv: Pllm::DIV2, - }), - hsi48: true, - - ls: super::LsConfig::default_lse(), - - pll: Some(Pll { - mul: Plln::MUL12, - divp: Some(Pllp::DIV3), - divq: Some(Pllq::DIV4), - divr: Some(Pllr::DIV3), - }), - pllsai: None, - - ahb1_pre: AHBPrescaler::DIV1, - ahb2_pre: AHBPrescaler::DIV2, - ahb3_pre: AHBPrescaler::DIV1, - apb1_pre: APBPrescaler::DIV1, - apb2_pre: APBPrescaler::DIV1, -}; - -impl Default for Config { - #[inline] - fn default() -> Config { - Config { - sys: Sysclk::HSI, - hse: None, - mux: None, - pll: None, - pllsai: None, - hsi48: true, - - ls: Default::default(), - - ahb1_pre: AHBPrescaler::DIV1, - ahb2_pre: AHBPrescaler::DIV1, - ahb3_pre: AHBPrescaler::DIV1, - apb1_pre: APBPrescaler::DIV1, - apb2_pre: APBPrescaler::DIV1, - } - } -} - -#[cfg(stm32wb)] -/// RCC initialization function -pub(crate) unsafe fn init(config: Config) { - let hse_clk = config.hse.as_ref().map(|hse| hse.frequency / hse.prediv); - - let mux_clk = config.mux.as_ref().map(|pll_mux| { - (match pll_mux.source { - PllSource::HSE => hse_clk.unwrap(), - PllSource::HSI => HSI_FREQ, - _ => unreachable!(), - } / pll_mux.prediv) - }); - - let (pll_r, _pll_q, _pll_p) = match &config.pll { - Some(pll) => { - let pll_vco = mux_clk.unwrap() * pll.mul as u32; - - ( - pll.divr.map(|divr| pll_vco / divr), - pll.divq.map(|divq| pll_vco / divq), - pll.divp.map(|divp| pll_vco / divp), - ) - } - None => (None, None, None), - }; - - let sys_clk = match config.sys { - Sysclk::HSE => hse_clk.unwrap(), - Sysclk::HSI => HSI_FREQ, - Sysclk::PLL1_R => pll_r.unwrap(), - _ => unreachable!(), - }; - - let ahb1_clk = sys_clk / config.ahb1_pre; - let ahb2_clk = sys_clk / config.ahb2_pre; - let ahb3_clk = sys_clk / config.ahb3_pre; - - let (apb1_clk, apb1_tim_clk) = match config.apb1_pre { - APBPrescaler::DIV1 => (ahb1_clk, ahb1_clk), - pre => { - let freq = ahb1_clk / pre; - (freq, freq * 2u32) - } - }; - - let (apb2_clk, apb2_tim_clk) = match config.apb2_pre { - APBPrescaler::DIV1 => (ahb1_clk, ahb1_clk), - pre => { - let freq = ahb1_clk / pre; - (freq, freq * 2u32) - } - }; - - let rcc = crate::pac::RCC; - - let needs_hsi = if let Some(pll_mux) = &config.mux { - pll_mux.source == PllSource::HSI - } else { - false - }; - - if needs_hsi || config.sys == Sysclk::HSI { - rcc.cr().modify(|w| { - w.set_hsion(true); - }); - - while !rcc.cr().read().hsirdy() {} - } - - rcc.cfgr().modify(|w| w.set_stopwuck(true)); - - let rtc = config.ls.init(); - - match &config.hse { - Some(hse) => { - rcc.cr().modify(|w| { - w.set_hsepre(hse.prediv); - w.set_hseon(true); - }); - - while !rcc.cr().read().hserdy() {} - } - _ => {} - } - - match &config.mux { - Some(pll_mux) => { - rcc.pllcfgr().modify(|w| { - w.set_pllm(pll_mux.prediv); - w.set_pllsrc(pll_mux.source.into()); - }); - } - _ => {} - }; - - match &config.pll { - Some(pll) => { - rcc.pllcfgr().modify(|w| { - w.set_plln(pll.mul); - pll.divp.map(|divp| { - w.set_pllpen(true); - w.set_pllp(divp) - }); - pll.divq.map(|divq| { - w.set_pllqen(true); - w.set_pllq(divq) - }); - pll.divr.map(|divr| { - w.set_pllren(true); - w.set_pllr(divr); - }); - }); - - rcc.cr().modify(|w| w.set_pllon(true)); - - while !rcc.cr().read().pllrdy() {} - } - _ => {} - } - - let _hsi48 = config.hsi48.then(|| { - rcc.crrcr().modify(|w| w.set_hsi48on(true)); - while !rcc.crrcr().read().hsi48rdy() {} - - Hertz(48_000_000) - }); - - rcc.cfgr().modify(|w| { - w.set_sw(config.sys.into()); - w.set_hpre(config.ahb1_pre); - w.set_ppre1(config.apb1_pre); - w.set_ppre2(config.apb2_pre); - }); - - rcc.extcfgr().modify(|w| { - w.set_c2hpre(config.ahb2_pre); - w.set_shdhpre(config.ahb3_pre); - }); - - set_freqs(Clocks { - sys: sys_clk, - hclk1: ahb1_clk, - hclk2: ahb2_clk, - hclk3: ahb3_clk, - pclk1: apb1_clk, - pclk2: apb2_clk, - pclk1_tim: apb1_tim_clk, - pclk2_tim: apb2_tim_clk, - rtc, - }) -} diff --git a/examples/stm32wl/src/bin/lora_lorawan.rs b/examples/stm32wl/src/bin/lora_lorawan.rs index e26c274a..35a6a842 100644 --- a/examples/stm32wl/src/bin/lora_lorawan.rs +++ b/examples/stm32wl/src/bin/lora_lorawan.rs @@ -39,6 +39,7 @@ async fn main(_spawner: Spawner) { config.rcc.hse = Some(Hse { freq: Hertz(32_000_000), mode: HseMode::Bypass, + prescaler: HsePrescaler::DIV1, }); config.rcc.mux = ClockSrc::PLL1_R; config.rcc.pll = Some(Pll { diff --git a/examples/stm32wl/src/bin/lora_p2p_receive.rs b/examples/stm32wl/src/bin/lora_p2p_receive.rs index be33f39c..1c485d73 100644 --- a/examples/stm32wl/src/bin/lora_p2p_receive.rs +++ b/examples/stm32wl/src/bin/lora_p2p_receive.rs @@ -11,6 +11,7 @@ use embassy_lora::iv::{InterruptHandler, Stm32wlInterfaceVariant}; use embassy_stm32::bind_interrupts; use embassy_stm32::gpio::{Level, Output, Pin, Speed}; use embassy_stm32::spi::Spi; +use embassy_stm32::time::Hertz; use embassy_time::{Delay, Timer}; use lora_phy::mod_params::*; use lora_phy::sx1261_2::SX1261_2; @@ -26,7 +27,23 @@ bind_interrupts!(struct Irqs{ #[embassy_executor::main] async fn main(_spawner: Spawner) { let mut config = embassy_stm32::Config::default(); - config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSE; + { + use embassy_stm32::rcc::*; + config.rcc.hse = Some(Hse { + freq: Hertz(32_000_000), + mode: HseMode::Bypass, + prescaler: HsePrescaler::DIV1, + }); + config.rcc.mux = ClockSrc::PLL1_R; + config.rcc.pll = Some(Pll { + source: PLLSource::HSE, + prediv: PllPreDiv::DIV2, + mul: PllMul::MUL6, + divp: None, + divq: Some(PllQDiv::DIV2), // PLL1_Q clock (32 / 2 * 6 / 2), used for RNG + divr: Some(PllRDiv::DIV2), // sysclk 48Mhz clock (32 / 2 * 6 / 2) + }); + } let p = embassy_stm32::init(config); let spi = Spi::new_subghz(p.SUBGHZSPI, p.DMA1_CH1, p.DMA1_CH2); diff --git a/examples/stm32wl/src/bin/lora_p2p_send.rs b/examples/stm32wl/src/bin/lora_p2p_send.rs index 85f6a84b..3afa78ac 100644 --- a/examples/stm32wl/src/bin/lora_p2p_send.rs +++ b/examples/stm32wl/src/bin/lora_p2p_send.rs @@ -11,6 +11,7 @@ use embassy_lora::iv::{InterruptHandler, Stm32wlInterfaceVariant}; use embassy_stm32::bind_interrupts; use embassy_stm32::gpio::{Level, Output, Pin, Speed}; use embassy_stm32::spi::Spi; +use embassy_stm32::time::Hertz; use embassy_time::Delay; use lora_phy::mod_params::*; use lora_phy::sx1261_2::SX1261_2; @@ -26,7 +27,23 @@ bind_interrupts!(struct Irqs{ #[embassy_executor::main] async fn main(_spawner: Spawner) { let mut config = embassy_stm32::Config::default(); - config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSE; + { + use embassy_stm32::rcc::*; + config.rcc.hse = Some(Hse { + freq: Hertz(32_000_000), + mode: HseMode::Bypass, + prescaler: HsePrescaler::DIV1, + }); + config.rcc.mux = ClockSrc::PLL1_R; + config.rcc.pll = Some(Pll { + source: PLLSource::HSE, + prediv: PllPreDiv::DIV2, + mul: PllMul::MUL6, + divp: None, + divq: Some(PllQDiv::DIV2), // PLL1_Q clock (32 / 2 * 6 / 2), used for RNG + divr: Some(PllRDiv::DIV2), // sysclk 48Mhz clock (32 / 2 * 6 / 2) + }); + } let p = embassy_stm32::init(config); let spi = Spi::new_subghz(p.SUBGHZSPI, p.DMA1_CH1, p.DMA1_CH2); diff --git a/examples/stm32wl/src/bin/random.rs b/examples/stm32wl/src/bin/random.rs index 2cf7ef9d..1a8822b4 100644 --- a/examples/stm32wl/src/bin/random.rs +++ b/examples/stm32wl/src/bin/random.rs @@ -21,6 +21,7 @@ async fn main(_spawner: Spawner) { config.rcc.hse = Some(Hse { freq: Hertz(32_000_000), mode: HseMode::Bypass, + prescaler: HsePrescaler::DIV1, }); config.rcc.mux = ClockSrc::PLL1_R; config.rcc.pll = Some(Pll { diff --git a/examples/stm32wl/src/bin/rtc.rs b/examples/stm32wl/src/bin/rtc.rs index 9ebb05f2..b3b7f9c5 100644 --- a/examples/stm32wl/src/bin/rtc.rs +++ b/examples/stm32wl/src/bin/rtc.rs @@ -5,20 +5,34 @@ use chrono::{NaiveDate, NaiveDateTime}; use defmt::*; use embassy_executor::Spawner; -use embassy_stm32::rcc::{ClockSrc, LsConfig}; use embassy_stm32::rtc::{Rtc, RtcConfig}; +use embassy_stm32::time::Hertz; use embassy_stm32::Config; use embassy_time::Timer; use {defmt_rtt as _, panic_probe as _}; #[embassy_executor::main] async fn main(_spawner: Spawner) { - let p = { - let mut config = Config::default(); - config.rcc.mux = ClockSrc::HSE; + let mut config = Config::default(); + { + use embassy_stm32::rcc::*; config.rcc.ls = LsConfig::default_lse(); - embassy_stm32::init(config) - }; + config.rcc.hse = Some(Hse { + freq: Hertz(32_000_000), + mode: HseMode::Bypass, + prescaler: HsePrescaler::DIV1, + }); + config.rcc.mux = ClockSrc::PLL1_R; + config.rcc.pll = Some(Pll { + source: PLLSource::HSE, + prediv: PllPreDiv::DIV2, + mul: PllMul::MUL6, + divp: None, + divq: Some(PllQDiv::DIV2), // PLL1_Q clock (32 / 2 * 6 / 2), used for RNG + divr: Some(PllRDiv::DIV2), // sysclk 48Mhz clock (32 / 2 * 6 / 2) + }); + } + let p = embassy_stm32::init(config); info!("Hello World!"); let now = NaiveDate::from_ymd_opt(2020, 5, 15) diff --git a/tests/stm32/src/common.rs b/tests/stm32/src/common.rs index cb173815..4f51e4f6 100644 --- a/tests/stm32/src/common.rs +++ b/tests/stm32/src/common.rs @@ -227,6 +227,11 @@ pub fn config() -> Config { #[allow(unused_mut)] let mut config = Config::default(); + #[cfg(feature = "stm32wb55rg")] + { + config.rcc = embassy_stm32::rcc::WPAN_DEFAULT; + } + #[cfg(feature = "stm32f207zg")] { use embassy_stm32::rcc::*; @@ -405,6 +410,7 @@ pub fn config() -> Config { config.rcc.hse = Some(Hse { freq: Hertz(32_000_000), mode: HseMode::Bypass, + prescaler: HsePrescaler::DIV1, }); config.rcc.mux = ClockSrc::PLL1_R; config.rcc.pll = Some(Pll {