diff --git a/embassy-stm32/src/rcc/wl.rs b/embassy-stm32/src/rcc/wl.rs index 8a9b24c91..5b1909659 100644 --- a/embassy-stm32/src/rcc/wl.rs +++ b/embassy-stm32/src/rcc/wl.rs @@ -1,7 +1,7 @@ pub use super::bus::{AHBPrescaler, APBPrescaler, VoltageScale}; use crate::pac::pwr::vals::Dbp; use crate::pac::{FLASH, PWR, RCC}; -use crate::rcc::bd::{BackupDomain, RtcClockSource as RCS}; +use crate::rcc::bd::{BackupDomain, RtcClockSource}; use crate::rcc::{set_freqs, Clocks}; use crate::time::Hertz; @@ -130,16 +130,11 @@ impl Default for Config { apb2_pre: APBPrescaler::NotDivided, enable_lsi: false, enable_rtc_apb: false, - rtc_mux: RtcClockSource::LSI32, + rtc_mux: RtcClockSource::LSI, } } } -pub enum RtcClockSource { - LSE32, - LSI32, -} - #[repr(u8)] pub enum Lsedrv { Low = 0, @@ -215,7 +210,7 @@ pub(crate) unsafe fn init(config: Config) { while FLASH.acr().read().latency() != ws {} match config.rtc_mux { - RtcClockSource::LSE32 => { + RtcClockSource::LSE => { // 1. Unlock the backup domain PWR.cr1().modify(|w| w.set_dbp(Dbp::ENABLED)); @@ -231,17 +226,18 @@ pub(crate) unsafe fn init(config: Config) { // Wait until LSE is running while !RCC.bdcr().read().lserdy() {} - BackupDomain::set_rtc_clock_source(RCS::LSE); + BackupDomain::set_rtc_clock_source(RtcClockSource::LSE); } - RtcClockSource::LSI32 => { + RtcClockSource::LSI => { // Turn on the internal 32 kHz LSI oscillator RCC.csr().modify(|w| w.set_lsion(true)); // Wait until LSI is running while !RCC.csr().read().lsirdy() {} - BackupDomain::set_rtc_clock_source(RCS::LSI); + BackupDomain::set_rtc_clock_source(RtcClockSource::LSI); } + _ => unreachable!(), } match config.mux { @@ -266,7 +262,7 @@ pub(crate) unsafe fn init(config: Config) { w.set_msirange(range.into()); w.set_msion(true); - if let RtcClockSource::LSE32 = config.rtc_mux { + if let RtcClockSource::LSE = config.rtc_mux { // If LSE is enabled, enable calibration of MSI w.set_msipllen(true); } else { diff --git a/examples/stm32wl/src/bin/rtc.rs b/examples/stm32wl/src/bin/rtc.rs index fb1bc6e3d..2be6c7b93 100644 --- a/examples/stm32wl/src/bin/rtc.rs +++ b/examples/stm32wl/src/bin/rtc.rs @@ -5,8 +5,8 @@ use chrono::{NaiveDate, NaiveDateTime}; use defmt::*; use embassy_executor::Spawner; -use embassy_stm32::rcc::{self, ClockSrc}; -use embassy_stm32::rtc::{Rtc, RtcConfig}; +use embassy_stm32::rcc::ClockSrc; +use embassy_stm32::rtc::{Rtc, RtcClockSource, RtcConfig}; use embassy_stm32::Config; use embassy_time::{Duration, Timer}; use {defmt_rtt as _, panic_probe as _}; @@ -16,7 +16,7 @@ async fn main(_spawner: Spawner) { let p = { let mut config = Config::default(); config.rcc.mux = ClockSrc::HSE32; - config.rcc.rtc_mux = rcc::RtcClockSource::LSE32; + config.rcc.rtc_mux = RtcClockSource::LSE; config.rcc.enable_rtc_apb = true; embassy_stm32::init(config) };