Initial commit

src/panic.rs

@@ -0,0 +1,53 @@
+use core::fmt::Write;
+use core::panic::PanicInfo;
+use hal::{
+    clock::GenericClockController,
+    gpio::{Pa10, Pa11, PfC},
+    prelude::*,
+    sercom::{PadPin, Sercom0Pad2, Sercom0Pad3, UART0},
+    time, CorePeripherals, Peripherals,
+};
+
+#[panic_handler]
+fn panic(info: &PanicInfo) -> ! {
+    let mut peripherals = unsafe { Peripherals::steal() };
+    let mut pins = hal::Pins::new(peripherals.PORT);
+    let mut red_led = pins.d13.into_open_drain_output(&mut pins.port);
+    red_led.set_high().ok();
+
+    let mut core = unsafe { CorePeripherals::steal() };
+    let mut clocks = GenericClockController::with_internal_32kosc(
+        peripherals.GCLK,
+        &mut peripherals.PM,
+        &mut peripherals.SYSCTRL,
+        &mut peripherals.NVMCTRL,
+    );
+    let glck0 = clocks.gclk0();
+
+    let mut uart: UART0<Sercom0Pad3<Pa11<PfC>>, Sercom0Pad2<Pa10<PfC>>, (), ()> = UART0::new(
+        &clocks.sercom0_core(&glck0).unwrap(),
+        time::Hertz(115200),
+        peripherals.SERCOM0,
+        &mut core.NVIC,
+        &mut peripherals.PM,
+        (
+            pins.d0.into_pad(&mut pins.port),
+            pins.d1.into_pad(&mut pins.port),
+        ),
+    );
+
+    loop {
+        uart.write_str("## PANIC ##\r\n").ok();
+        if let Some(location) = info.location() {
+            writeln!(
+                uart,
+                "Panic occured in file {}\r\nAt location {}\r\n",
+                location.file(),
+                location.line(),
+            )
+            .ok();
+        } else {
+            uart.write_str("No location info available...\r\n").ok();
+        }
+    }
+}