Fix using Level as output

esp-rs · Oct 24, 2024 · b753900 · b753900
1 parent c039ea8
commit b753900
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/esp-hal/src/gpio/placeholder.rs b/esp-hal/src/gpio/placeholder.rs
@@ -87,9 +87,14 @@ impl Level {
 
     pub(crate) fn connect_peripheral_to_output(
         &mut self,
-        _signal: OutputSignal,
+        signal: OutputSignal,
         _: private::Internal,
     ) {
+        // "Connecting" a constant value to a peripheral output means disconnecting said
+        // output from the outside world.
+        unsafe { GPIO::steal() }
+            .func_in_sel_cfg(signal as usize - FUNC_IN_SEL_OFFSET)
+            .modify(|_, w| w.sel().clear_bit());
     }
 
     pub(crate) fn disconnect_from_peripheral_output(