1 files changed, 56 insertions, 0 deletions

diff --git a/embassy-nxp/src/sct.rs b/embassy-nxp/src/sct.rs
new file mode 100644
index 000000000..b6b0e35a9
--- /dev/null
+++ b/embassy-nxp/src/sct.rs
@@ -0,0 +1,56 @@
+#![macro_use]
+
+use embassy_hal_internal::PeripheralType;
+use nxp_pac::iocon::vals::PioFunc;
+
+use crate::gpio;
+
+/// SCT instance.
+#[allow(private_bounds)]
+pub trait Instance: SealedInstance + PeripheralType {}
+
+pub(crate) trait SealedInstance {}
+
+/// An SCT output.
+#[allow(private_bounds)]
+pub trait Output<T: Instance>: SealedOutput + PeripheralType {}
+
+pub(crate) trait SealedOutput {
+    /// Output number.
+    fn number(&self) -> usize;
+}
+
+/// An SCT output capable pin.
+pub trait OutputPin<T: Instance, O: Output<T>>: gpio::Pin {
+    fn pin_func(&self) -> PioFunc;
+}
+
+macro_rules! impl_sct_instance {
+    ($instance: ident) => {
+        impl crate::sct::SealedInstance for crate::peripherals::$instance {}
+        impl crate::sct::Instance for crate::peripherals::$instance {}
+    };
+}
+
+macro_rules! impl_sct_output_instance {
+    ($instance: ident, $name: ident, $num: expr) => {
+        impl crate::sct::SealedOutput for crate::peripherals::$name {
+            fn number(&self) -> usize {
+                $num as usize
+            }
+        }
+        impl crate::sct::Output<crate::peripherals::$instance> for crate::peripherals::$name {}
+    };
+}
+
+macro_rules! impl_sct_output_pin {
+    ($instance: ident, $output_instance: ident, $pin: ident, $alt: ident) => {
+        impl crate::sct::OutputPin<crate::peripherals::$instance, crate::peripherals::$output_instance>
+            for crate::peripherals::$pin
+        {
+            fn pin_func(&self) -> crate::pac::iocon::vals::PioFunc {
+                crate::pac::iocon::vals::PioFunc::$alt
+            }
+        }
+    };
+}