Import embassy-mcxa repo

Merge remote-tracking branch 'james-e-mcxa/james/upstream' into james/upstream-mcxa

1 files changed, 28 insertions, 0 deletions

diff --git a/embassy-mcxa/src/pins.rs b/embassy-mcxa/src/pins.rs
new file mode 100644
index 000000000..fdf1b0a86
--- /dev/null
+++ b/embassy-mcxa/src/pins.rs
@@ -0,0 +1,28 @@
+//! Pin configuration helpers (separate from peripheral drivers).
+use crate::pac;
+
+pub unsafe fn configure_adc_pins() {
+    // P1_10 = ADC1_A8
+    let port1 = &*pac::Port1::ptr();
+    port1.pcr10().write(|w| {
+        w.ps()
+            .ps0()
+            .pe()
+            .pe0()
+            .sre()
+            .sre0()
+            .ode()
+            .ode0()
+            .dse()
+            .dse0()
+            .mux()
+            .mux0()
+            .ibe()
+            .ibe0()
+            .inv()
+            .inv0()
+            .lk()
+            .lk0()
+    });
+    core::arch::asm!("dsb sy; isb sy");
+}