eth-v2: Fix off by one bug

2021-06-11 02:57:28 -03:00 · 2021-06-11 02:57:28 -03:00 · 0b42e12604
commit 0b42e12604
parent 54ad2a41f1
1 changed files with 1 additions and 1 deletions
--- a/embassy-stm32/src/eth/v2/descriptors.rs
+++ b/embassy-stm32/src/eth/v2/descriptors.rs
@ -340,7 +340,7 @@ impl<const N: usize> RDesRing<N> {
                unsafe {
                    ETH.ethernet_dma()
                        .dmacrx_dtpr()
-                        .write(|w| w.set_rdt(&self.rd[self.read_idx] as *const _ as u32));
+                        .write(|w| w.set_rdt(&self.rd[self.tail_idx] as *const _ as u32));
                }

                self.tail_idx = (self.tail_idx + 1) % N;