main: reboot on panic

Cargo.toml

@@ -90,7 +90,6 @@ embedded-io-async = { version = "0.7.0", optional = true }
 esp-alloc = { version = "0.10.0", optional = true }
 esp-backtrace = { version = "0.19.0", optional = true, features = [
   "esp32c5",
-  "panic-handler",
   "println",
 ] }
 esp-println = { version = "0.17.0", optional = true, default-features = false, features = ["colors", "critical-section", "jtag-serial", "esp32c5", "log-04"] }

src/main.rs

@@ -39,7 +39,7 @@ use embassy_gps::gps::l76k;
 use esp_backtrace as _;
 use esp_hal::clock::CpuClock;
 use esp_hal::timer::timg::TimerGroup;
-#[cfg(all(target_arch = "riscv32", feature = "spat"))]
+#[cfg(target_arch = "riscv32")]
 use esp_println::println;
 use esp32_cits_core::radio;
 use geonetworking::Decode as _;
@@ -78,6 +78,26 @@ const SERIAL_FIFO_SIZE_THLD: u8 = 100; // hardware has max. 128 byte
 // For more information see: <https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/system/app_image_format.html#application-description>
 esp_bootloader_esp_idf::esp_app_desc!();
 
+// Print a backtrace and reset (instead of halting)
+#[panic_handler]
+fn panic_handler(info: &core::panic::PanicInfo) -> ! {
+    println!("");
+    println!("====================== PANIC ======================");
+    println!("{}", info);
+
+    println!("\nBacktrace:");
+    let backtrace = esp_backtrace::Backtrace::capture();
+    for frame in backtrace.frames() {
+        println!("- 0x{:x}", frame.program_counter());
+    }
+
+    println!("================== BACKTRACE END ==================");
+
+    // reboot
+    println!("-> Doing a SW reset after panic...\n");
+    esp_hal::system::software_reset();
+}
+
 #[cfg(feature = "_gnss")]
 static GNSS_UPDATE: Mutex<RefCell<Option<applogic::GnssFix>>> = Mutex::new(RefCell::new(None));
 static WIFI_RX_QUEUE: Mutex<RefCell<Option<ArrayQueue<Vec<u8>>>>> = Mutex::new(RefCell::new(None));