From afc412dd0be175b6d24daa255a018b07006c5d95 Mon Sep 17 00:00:00 2001
From: xoviat <xoviat@users.noreply.github.com>
Date: Mon, 3 Nov 2025 16:27:11 -0600
Subject: fix

---
 embassy-stm32/src/adc/ringbuffered.rs | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/embassy-stm32/src/adc/ringbuffered.rs b/embassy-stm32/src/adc/ringbuffered.rs
index bea981fe2..931ebc2b7 100644
--- a/embassy-stm32/src/adc/ringbuffered.rs
+++ b/embassy-stm32/src/adc/ringbuffered.rs
@@ -265,10 +265,7 @@ impl<'d, T: Instance> RingBufferedAdc<'d, T> {
             if !r.cr2().read().dma() {
                 self.start()?;
             }
-        }
 
-        #[cfg(not(adc_v2))]
-        {
             // Clear overrun flag if set.
             if r.sr().read().ovr() {
                 return self.stop(OverrunError);
@@ -280,6 +277,14 @@ impl<'d, T: Instance> RingBufferedAdc<'d, T> {
             }
         }
 
+        #[cfg(not(adc_v2))]
+        {
+            // Start background receive if it was not already started
+            if !r.cr().read().adstart() {
+                self.start_continuous_sampling();
+            }
+        }
+
         self.ring_buf.read_exact(measurements).await.map_err(|_| OverrunError)
     }
 
-- 
cgit