From 6760258ec39c629b911a417d0a554bc6167c5b5b Mon Sep 17 00:00:00 2001
From: Glenn Dirkx <glenn.dirkx@gmail.com>
Date: Mon, 10 Apr 2023 16:20:47 +0200
Subject: [PATCH] fix I2C controller problems after NACK

---
 embassy-stm32/src/i2c/v2.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/embassy-stm32/src/i2c/v2.rs b/embassy-stm32/src/i2c/v2.rs
index 28663fb3..7218f770 100644
--- a/embassy-stm32/src/i2c/v2.rs
+++ b/embassy-stm32/src/i2c/v2.rs
@@ -262,7 +262,7 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
             if T::regs().isr().read().txis() {
                 T::regs().txdr().write(|w| w.set_txdata(0));
             }
-            if T::regs().isr().read().txe() {
+            if !T::regs().isr().read().txe() {
                 T::regs().isr().modify(|w| w.set_txe(true))
             }
         }