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ESP32/my_usb_project/rust_app/src/lib.rs

@@ -6,27 +6,21 @@
 #![no_std]
 
 use esp_backtrace as _;
-use esp_println as _;
 
 #[panic_handler]
 fn panic(_info: &core::panic::PanicInfo) -> ! {
     loop {
-        unsafe {
-            core::hint::spin_loop();
-        }
+        core::hint::spin_loop();
     }
 }
 
 #[no_mangle]
 extern "C" fn rust_app_main() {
-    esp_println::println!("Rust application starting...");
-    
     loop {
-        esp_println::println!("Rust application running...");
+        core::hint::spin_loop();
     }
 }
 
 #[export_name = "rust_usb_callback"]
-pub unsafe extern "C" fn usb_callback(event: u32) {
-    esp_println::println!("USB Event: {}", event);
-}
+pub unsafe extern "C" fn usb_callback(_event: u32) {
+}