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Use RccPeripheral for adc_v2

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This commit is contained in:
chemicstry 2022-10-07 13:29:56 +03:00
parent d49d1b6b1c
commit 9dca368c3d
2 changed files with 11 additions and 19 deletions
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4
embassy-stm32/src/adc/mod.rs
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@ -30,9 +30,9 @@ pub(crate) mod sealed {
}
}
#[cfg(not(adc_f1))]
#[cfg(not(any(adc_f1, adc_v2)))]
pub trait Instance: sealed::Instance + 'static {}
#[cfg(adc_f1)]
#[cfg(any(adc_f1, adc_v2))]
pub trait Instance: sealed::Instance + crate::rcc::RccPeripheral + 'static {}
#[cfg(all(not(adc_f1), not(adc_v1)))]
pub trait Common: sealed::Common + 'static {}

26
embassy-stm32/src/adc/v2.rs
View File

@ -12,21 +12,6 @@ pub const VREF_DEFAULT_MV: u32 = 3300;
/// VREF voltage used for factory calibration of VREFINTCAL register.
pub const VREF_CALIB_MV: u32 = 3300;
#[cfg(not(any(rcc_f4, rcc_f7)))]
fn enable() {
todo!()
}
#[cfg(any(rcc_f4, rcc_f7))]
fn enable() {
critical_section::with(|_| unsafe {
// TODO do not enable all adc clocks if not needed
crate::pac::RCC.apb2enr().modify(|w| w.set_adc1en(true));
crate::pac::RCC.apb2enr().modify(|w| w.set_adc2en(true));
crate::pac::RCC.apb2enr().modify(|w| w.set_adc3en(true));
});
}
pub enum Resolution {
TwelveBit,
TenBit,
@ -164,9 +149,10 @@ where
{
pub fn new(_peri: impl Peripheral<P = T> + 'd, delay: &mut impl DelayUs<u32>) -> Self {
into_ref!(_peri);
enable();
T::enable();
T::reset();
let presc = unsafe { Prescaler::from_pclk2(crate::rcc::get_freqs().apb2) };
let presc = unsafe { Prescaler::from_pclk2(T::frequency()) };
unsafe {
T::common_regs().ccr().modify(|w| w.set_adcpre(presc.adcpre()));
}
@ -288,3 +274,9 @@ where
}
}
}
impl<'d, T: Instance> Drop for Adc<'d, T> {
fn drop(&mut self) {
T::disable();
}
}