Add rt feature to HALs, cfg out interrupt handling when not set.

embassy-nrf/Cargo.toml

@@ -16,7 +16,8 @@ flavors = [
 ]
 
 [features]
-default = [
+default = ["rt"]
+rt = [
     "nrf52805-pac?/rt",
     "nrf52810-pac?/rt",
     "nrf52811-pac?/rt",

embassy-nrf/src/gpiote.rs

@@ -91,18 +91,21 @@ pub(crate) fn init(irq_prio: crate::interrupt::Priority) {
 }
 
 #[cfg(any(feature = "nrf5340-app-s", feature = "nrf9160-s"))]
+#[cfg(feature = "rt")]
 #[interrupt]
 fn GPIOTE0() {
     unsafe { handle_gpiote_interrupt() };
 }
 
 #[cfg(any(feature = "nrf5340-app-ns", feature = "nrf9160-ns"))]
+#[cfg(feature = "rt")]
 #[interrupt]
 fn GPIOTE1() {
     unsafe { handle_gpiote_interrupt() };
 }
 
 #[cfg(any(feature = "_nrf52", feature = "nrf5340-net"))]
+#[cfg(feature = "rt")]
 #[interrupt]
 fn GPIOTE() {
     unsafe { handle_gpiote_interrupt() };

embassy-nrf/src/time_driver.rs

@@ -295,6 +295,7 @@ impl Driver for RtcDriver {
     }
 }
 
+#[cfg(feature = "rt")]
 #[interrupt]
 fn RTC1() {
     DRIVER.on_interrupt()