1 files changed, 44 insertions, 0 deletions

diff --git a/embassy-stm32/src/adc/injected.rs b/embassy-stm32/src/adc/injected.rs
new file mode 100644
index 000000000..029722b84
--- /dev/null
+++ b/embassy-stm32/src/adc/injected.rs
@@ -0,0 +1,44 @@
+use core::marker::PhantomData;
+use core::sync::atomic::{Ordering, compiler_fence};
+
+#[allow(unused_imports)]
+use embassy_hal_internal::Peri;
+
+use super::{AdcRegs, AnyAdcChannel, SampleTime};
+use crate::adc::Adc;
+#[allow(unused_imports)]
+use crate::adc::Instance;
+
+/// Injected ADC sequence with owned channels.
+pub struct InjectedAdc<'a, T: Instance<Regs = crate::pac::adc::Adc>, const N: usize> {
+    _channels: [(AnyAdcChannel<'a, T>, SampleTime); N],
+    _phantom: PhantomData<T>,
+}
+
+impl<'a, T: Instance<Regs = crate::pac::adc::Adc>, const N: usize> InjectedAdc<'a, T, N> {
+    pub(crate) fn new(channels: [(AnyAdcChannel<'a, T>, SampleTime); N]) -> Self {
+        Self {
+            _channels: channels,
+            _phantom: PhantomData,
+        }
+    }
+
+    pub fn stop_injected_conversions(&mut self) {
+        Adc::<T>::stop_injected_conversions()
+    }
+
+    pub fn start_injected_conversions(&mut self) {
+        Adc::<T>::start_injected_conversions()
+    }
+
+    pub fn read_injected_samples(&mut self) -> [u16; N] {
+        InjectedAdc::<T, N>::read_injected_data()
+    }
+}
+
+impl<'a, T: Instance<Regs = crate::pac::adc::Adc>, const N: usize> Drop for InjectedAdc<'a, T, N> {
+    fn drop(&mut self) {
+        T::regs().stop();
+        compiler_fence(Ordering::SeqCst);
+    }
+}