Don't use #[interrupt} in the serial_interrupts.rs example (#1385)

examples/src/bin/embassy_multicore.rs

@@ -10,6 +10,8 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
+use core::ptr::addr_of_mut;
+
 use embassy_executor::Spawner;
 use embassy_sync::{blocking_mutex::raw::CriticalSectionRawMutex, signal::Signal};
 use embassy_time::{Duration, Ticker};
@@ -67,7 +69,7 @@ async fn main(_spawner: Spawner) {
     let led = io.pins.gpio0.into_push_pull_output();
 
     let _guard = cpu_control
-        .start_app_core(unsafe { &mut APP_CORE_STACK }, move || {
+        .start_app_core(unsafe { &mut *addr_of_mut!(APP_CORE_STACK) }, move || {
             let executor = make_static!(Executor::new());
             executor.run(|spawner| {
                 spawner.spawn(control_led(led, led_ctrl_signal)).ok();

examples/src/bin/embassy_multicore_interrupt.rs

@@ -10,6 +10,8 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
+use core::ptr::addr_of_mut;
+
 use embassy_sync::{blocking_mutex::raw::CriticalSectionRawMutex, signal::Signal};
 use embassy_time::{Duration, Ticker};
 use embedded_hal_02::digital::v2::OutputPin;
@@ -109,7 +111,7 @@ fn main() -> ! {
         loop {}
     };
     let _guard = cpu_control
-        .start_app_core(unsafe { &mut APP_CORE_STACK }, cpu1_fnctn)
+        .start_app_core(unsafe { &mut *addr_of_mut!(APP_CORE_STACK) }, cpu1_fnctn)
         .unwrap();
 
     let spawner = INT_EXECUTOR_CORE_0.start(Priority::Priority1);

examples/src/bin/multicore.rs

@@ -8,7 +8,7 @@
 #![no_std]
 #![no_main]
 
-use core::cell::RefCell;
+use core::{cell::RefCell, ptr::addr_of_mut};
 
 use critical_section::Mutex;
 use esp_backtrace as _;
@@ -35,7 +35,7 @@ fn main() -> ! {
 
     let mut cpu_control = CpuControl::new(system.cpu_control);
     let _guard = cpu_control
-        .start_app_core(unsafe { &mut APP_CORE_STACK }, || {
+        .start_app_core(unsafe { &mut *addr_of_mut!(APP_CORE_STACK) }, || {
             println!("Hello World - Core 1!");
             loop {
                 delay.delay(500.millis());

examples/src/bin/serial_interrupts.rs

@@ -14,10 +14,15 @@ use esp_backtrace as _;
 use esp_hal::{
     clock::ClockControl,
     delay::Delay,
+    gpio,
     interrupt::{self, Priority},
     peripherals::{Interrupt, Peripherals, UART0},
     prelude::*,
-    uart::{config::AtCmdConfig, Uart},
+    uart::{
+        config::{AtCmdConfig, Config},
+        TxRxPins,
+        Uart,
+    },
     Blocking,
 };
 
@@ -31,15 +36,22 @@ fn main() -> ! {
 
     let delay = Delay::new(&clocks);
 
-    let mut uart0 = Uart::new(peripherals.UART0, &clocks);
-    uart0.set_at_cmd(AtCmdConfig::new(None, None, None, b'#', None));
-    uart0.set_rx_fifo_full_threshold(30).unwrap();
-    uart0.listen_at_cmd();
-    uart0.listen_rx_fifo_full();
+    let mut uart0 = Uart::new_with_config(
+        peripherals.UART0,
+        Config::default(),
+        None::<TxRxPins<gpio::NoPinType, gpio::NoPinType>>,
+        &clocks,
+        Some(interrupt_handler),
+    );
 
-    interrupt::enable(Interrupt::UART0, Priority::Priority2).unwrap();
+    critical_section::with(|cs| {
+        uart0.set_at_cmd(AtCmdConfig::new(None, None, None, b'#', None));
+        uart0.set_rx_fifo_full_threshold(30).unwrap();
+        uart0.listen_at_cmd();
+        uart0.listen_rx_fifo_full();
 
-    critical_section::with(|cs| SERIAL.borrow_ref_mut(cs).replace(uart0));
+        SERIAL.borrow_ref_mut(cs).replace(uart0);
+    });
 
     loop {
         critical_section::with(|cs| {
@@ -52,8 +64,8 @@ fn main() -> ! {
     }
 }
 
-#[interrupt]
-fn UART0() {
+#[handler]
+fn interrupt_handler() {
     critical_section::with(|cs| {
         let mut serial = SERIAL.borrow_ref_mut(cs);
         let serial = serial.as_mut().unwrap();