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stm32: fix adc f3 and example

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This commit is contained in:
xoviat
2023-09-09 22:01:51 -05:00
parent f17f09057d
commit 70a4a193c5
2 changed files with 21 additions and 11 deletions
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9
embassy-stm32/src/adc/f3.rs
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@ -7,8 +7,7 @@ use crate::Peripheral;
pub const VDDA_CALIB_MV: u32 = 3300;
pub const ADC_MAX: u32 = (1 << 12) - 1;
// No calibration data for F103, voltage should be 1.2v
pub const VREF_INT: u32 = 1200;
pub const VREF_INT: u32 = 1230;
pub struct Vref;
impl<T: Instance> AdcPin<T> for Vref {}
@ -102,16 +101,14 @@ impl<'d, T: Instance> Adc<'d, T> {
while !T::regs().isr().read().eoc() && !T::regs().isr().read().eos() {}
T::regs().isr().write(|_| {});
T::regs().dr().read().0 as u16
T::regs().dr().read().rdata()
}
pub fn read(&mut self, pin: &mut impl AdcPin<T>) -> u16 {
// pin.set_as_analog();
Self::set_channel_sample_time(pin.channel(), self.sample_time);
// Configure the channel to sample
T::regs().sqr3().write(|w| w.set_sq(0, pin.channel()));
T::regs().sqr1().write(|w| w.set_sq(0, pin.channel()));
self.convert()
}