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rcc: more cleanup

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This commit is contained in:
xoviat
2023-09-08 18:20:58 -05:00
parent 48154e18bf
commit 11a78fb1e4
12 changed files with 79 additions and 115 deletions
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2
embassy-stm32/src/rtc/mod.rs
View File

@@ -268,7 +268,7 @@ pub(crate) mod sealed {
crate::pac::RTC
}
fn enable_peripheral_clk() {}
fn enable_peripheral_clk();
/// Read content of the backup register.
///

9
embassy-stm32/src/rtc/v2.rs
View File

@@ -270,9 +270,18 @@ impl sealed::Instance for crate::peripherals::RTC {
}
#[cfg(any(rtc_v2f2))]
{
// enable peripheral clock for communication
crate::pac::RCC.apb1enr().modify(|w| w.set_pwren(true));
// read to allow the pwr clock to enable
crate::pac::PWR.cr().read();
}
#[cfg(any(rtc_v2f0))]
{
// enable peripheral clock for communication
crate::pac::RCC.apb1enr().modify(|w| w.set_pwren(true));
}
}
fn read_backup_register(rtc: &Rtc, register: usize) -> Option<u32> {

17
embassy-stm32/src/rtc/v3.rs
View File

@@ -128,6 +128,23 @@ impl super::Rtc {
impl sealed::Instance for crate::peripherals::RTC {
const BACKUP_REGISTER_COUNT: usize = 32;
fn enable_peripheral_clk() {
#[cfg(any(rcc_wle, rcc_wl5, rcc_g4))]
{
// enable peripheral clock for communication
crate::pac::RCC.apb1enr1().modify(|w| w.set_rtcapben(true));
}
#[cfg(rcc_g0)]
{
// enable peripheral clock for communication
crate::pac::RCC.apbenr1().modify(|w| w.set_rtcapben(true));
}
// read to allow the pwr clock to enable
crate::pac::PWR.cr1().read();
}
fn read_backup_register(_rtc: &Rtc, register: usize) -> Option<u32> {
#[allow(clippy::if_same_then_else)]
if register < Self::BACKUP_REGISTER_COUNT {