//! Rust application for ESP32-S3
//! 
//! This module provides the main Rust application logic
//! that interacts with the USB HID interface implemented in C/TinyUSB.

#![no_std]

use esp_backtrace as _;
use esp_println as _;

#[panic_handler]
fn panic(_info: &core::panic::PanicInfo) -> ! {
    loop {
        unsafe {
            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...");
    }
}

#[export_name = "rust_usb_callback"]
pub unsafe extern "C" fn usb_callback(event: u32) {
    esp_println::println!("USB Event: {}", event);
}