From ccb3a1ba40c0a4ae88abe6e449d25833432be3bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Quentin?= <bjoernQ@users.noreply.github.com>
Date: Wed, 6 Nov 2024 12:43:25 +0100
Subject: [PATCH] Use `diagnostic` on `DmaChannelConvert` (#2465)

* Use `diagnostic` on `DmaChannelConvert`

* Typo
---
 esp-hal/src/dma/mod.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/esp-hal/src/dma/mod.rs b/esp-hal/src/dma/mod.rs
index f91b18d1da..c759f6a6cc 100644
--- a/esp-hal/src/dma/mod.rs
+++ b/esp-hal/src/dma/mod.rs
@@ -1593,6 +1593,11 @@ pub trait DmaChannelExt: DmaChannel {
     fn get_tx_interrupts() -> impl InterruptAccess<DmaTxInterrupt>;
 }
 
+#[diagnostic::on_unimplemented(
+    message = "The DMA channel isn't suitable for this peripheral",
+    label = "This DMA channel",
+    note = "Not all channels are useable with all peripherals"
+)]
 #[doc(hidden)]
 pub trait DmaChannelConvert<DEG: DmaChannel>: DmaChannel {
     fn degrade_rx(rx: Self::Rx) -> DEG::Rx;