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stm32: fix wl re-export

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This commit is contained in:
xoviat 2023-08-27 09:41:31 -05:00
parent fb942e6675
commit 3bf6081eb5
2 changed files with 11 additions and 15 deletions
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20
embassy-stm32/src/rcc/wl.rs
View file

@ -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 {

6
examples/stm32wl/src/bin/rtc.rs
View file

@ -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)
};