Set resolution directly

This commit is contained in:
Grant Miller 2022-10-26 16:45:12 -05:00
parent 2cfe2439c9
commit 88bbc238b7
3 changed files with 12 additions and 19 deletions

View File

@ -94,7 +94,6 @@ impl Prescaler {
pub struct Adc<'d, T: Instance> { pub struct Adc<'d, T: Instance> {
sample_time: SampleTime, sample_time: SampleTime,
resolution: Resolution,
phantom: PhantomData<&'d mut T>, phantom: PhantomData<&'d mut T>,
} }
@ -120,7 +119,6 @@ where
Self { Self {
sample_time: Default::default(), sample_time: Default::default(),
resolution: Resolution::default(),
phantom: PhantomData, phantom: PhantomData,
} }
} }
@ -130,7 +128,9 @@ where
} }
pub fn set_resolution(&mut self, resolution: Resolution) { pub fn set_resolution(&mut self, resolution: Resolution) {
self.resolution = resolution; unsafe {
T::regs().cr1().modify(|reg| reg.set_res(resolution.into()));
}
} }
/// Enables internal voltage reference and returns [VrefInt], which can be used in /// Enables internal voltage reference and returns [VrefInt], which can be used in
@ -214,7 +214,6 @@ where
unsafe fn read_channel(&mut self, channel: u8) -> u16 { unsafe fn read_channel(&mut self, channel: u8) -> u16 {
// Configure ADC // Configure ADC
T::regs().cr1().modify(|reg| reg.set_res(self.resolution.into()));
// Select channel // Select channel
T::regs().sqr3().write(|reg| reg.set_sq(0, channel)); T::regs().sqr3().write(|reg| reg.set_sq(0, channel));

View File

@ -62,7 +62,6 @@ impl<T: Instance> super::sealed::AdcPin<T> for Vbat {
pub struct Adc<'d, T: Instance> { pub struct Adc<'d, T: Instance> {
sample_time: SampleTime, sample_time: SampleTime,
resolution: Resolution,
phantom: PhantomData<&'d mut T>, phantom: PhantomData<&'d mut T>,
} }
@ -99,7 +98,6 @@ impl<'d, T: Instance> Adc<'d, T> {
Self { Self {
sample_time: Default::default(), sample_time: Default::default(),
resolution: Resolution::default(),
phantom: PhantomData, phantom: PhantomData,
} }
} }
@ -145,7 +143,12 @@ impl<'d, T: Instance> Adc<'d, T> {
} }
pub fn set_resolution(&mut self, resolution: Resolution) { pub fn set_resolution(&mut self, resolution: Resolution) {
self.resolution = resolution; unsafe {
#[cfg(not(stm32g0))]
T::regs().cfgr().modify(|reg| reg.set_res(resolution.into()));
#[cfg(stm32g0)]
T::regs().cfgr1().modify(|reg| reg.set_res(resolution.into()));
}
} }
/* /*
@ -197,12 +200,6 @@ impl<'d, T: Instance> Adc<'d, T> {
// spin // spin
} }
// Configure ADC
#[cfg(not(stm32g0))]
T::regs().cfgr().modify(|reg| reg.set_res(self.resolution.into()));
#[cfg(stm32g0)]
T::regs().cfgr1().modify(|reg| reg.set_res(self.resolution.into()));
// Configure channel // Configure channel
Self::set_channel_sample_time(pin.channel(), self.sample_time); Self::set_channel_sample_time(pin.channel(), self.sample_time);

View File

@ -227,7 +227,6 @@ impl Prescaler {
pub struct Adc<'d, T: Instance> { pub struct Adc<'d, T: Instance> {
sample_time: SampleTime, sample_time: SampleTime,
resolution: Resolution,
phantom: PhantomData<&'d mut T>, phantom: PhantomData<&'d mut T>,
} }
@ -264,7 +263,6 @@ impl<'d, T: Instance + crate::rcc::RccPeripheral> Adc<'d, T> {
let mut s = Self { let mut s = Self {
sample_time: Default::default(), sample_time: Default::default(),
resolution: Resolution::default(),
phantom: PhantomData, phantom: PhantomData,
}; };
s.power_up(delay); s.power_up(delay);
@ -367,7 +365,9 @@ impl<'d, T: Instance + crate::rcc::RccPeripheral> Adc<'d, T> {
} }
pub fn set_resolution(&mut self, resolution: Resolution) { pub fn set_resolution(&mut self, resolution: Resolution) {
self.resolution = resolution; unsafe {
T::regs().cfgr().modify(|reg| reg.set_res(resolution.into()));
}
} }
/// Perform a single conversion. /// Perform a single conversion.
@ -408,9 +408,6 @@ impl<'d, T: Instance + crate::rcc::RccPeripheral> Adc<'d, T> {
} }
unsafe fn read_channel(&mut self, channel: u8) -> u16 { unsafe fn read_channel(&mut self, channel: u8) -> u16 {
// Configure ADC
T::regs().cfgr().modify(|reg| reg.set_res(self.resolution.into()));
// Configure channel // Configure channel
Self::set_channel_sample_time(channel, self.sample_time); Self::set_channel_sample_time(channel, self.sample_time);