max/embassy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #1673 from pennae/rp-disable-adc

Browse Source 
rp: disable adc hardware on Adc drop
This commit is contained in:
Dario Nieuwenhuis 2023-07-20 14:21:40 +00:00 committed by GitHub
commit 4d1d125f41
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
embassy-rp/src/adc.rs
View File

@ -81,6 +81,16 @@ pub struct Adc<'d, M: Mode> {
phantom: PhantomData<(&'d ADC, M)>, phantom: PhantomData<(&'d ADC, M)>,
} }
impl<'d, M: Mode> Drop for Adc<'d, M> {
fn drop(&mut self) {
let r = Self::regs();
// disable ADC. leaving it enabled comes with a ~150µA static
// current draw. the temperature sensor has already been disabled
// by the temperature-reading methods, so we don't need to touch that.
r.cs().write(|w| w.set_en(false));
}
}
impl<'d, M: Mode> Adc<'d, M> { impl<'d, M: Mode> Adc<'d, M> {
#[inline] #[inline]
fn regs() -> pac::adc::Adc { fn regs() -> pac::adc::Adc {