stm32/i2c: Pull-down enabled when non-pull was requested.

When no internal pull-up is needed, the pull-down was enabled
instead of pull-none.
With the pull-down resistors and external pull-up resistors, this
creates a voltage divider, which causes unwanted situation.

1 files changed, 2 insertions, 2 deletions

diff --git a/embassy-stm32/src/i2c/config.rs b/embassy-stm32/src/i2c/config.rs
index b27bb778c..4e3b736c7 100644
--- a/embassy-stm32/src/i2c/config.rs
+++ b/embassy-stm32/src/i2c/config.rs
@@ -156,7 +156,7 @@ impl Config {
             self.gpio_speed,
             match self.scl_pullup {
                 true => Pull::Up,
-                false => Pull::Down,
+                false => Pull::None,
             },
         );
     }
@@ -170,7 +170,7 @@ impl Config {
             self.gpio_speed,
             match self.sda_pullup {
                 true => Pull::Up,
-                false => Pull::Down,
+                false => Pull::None,
             },
         );
     }