From daedfbbd8756e921cc6343ad531401d309966eaa Mon Sep 17 00:00:00 2001
From: JuliDi <20155974+JuliDi@users.noreply.github.com>
Date: Wed, 28 Jun 2023 15:39:36 +0200
Subject: [PATCH] add dma is_running change doc

---
 embassy-stm32/src/dma/dma.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/embassy-stm32/src/dma/dma.rs b/embassy-stm32/src/dma/dma.rs
index 0b7b6078..9c03599e 100644
--- a/embassy-stm32/src/dma/dma.rs
+++ b/embassy-stm32/src/dma/dma.rs
@@ -404,11 +404,9 @@ impl<'a, C: Channel> Transfer<'a, C> {
     }
 
     pub fn is_running(&mut self) -> bool {
-        //let ch = self.channel.regs().st(self.channel.num());
-        //ch.cr().read().en()
-
         let ch = self.channel.regs().st(self.channel.num());
         let en = ch.cr().read().en();
+        // Check if circular mode is enabled, if so it will still be running even if tcif == 1
         let circular = ch.cr().read().circ() == vals::Circ::ENABLED;
         let tcif = STATE.complete_count[self.channel.index()].load(Ordering::Acquire) != 0;
         en && (circular || !tcif)