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#![no_std]
#![no_main]
use embassy_executor::Spawner;
// use embassy_mcxa276 as hal;
// use hal::interrupt::typelevel::Handler;
// use hal::uart;
// mod common;
// use embassy_mcxa276::bind_interrupts;
// use {defmt_rtt as _, panic_probe as _};
// // Bind LPUART2 interrupt to our handler
// bind_interrupts!(struct Irqs {
// LPUART2 => hal::uart::UartInterruptHandler;
// });
// #[used]
// #[no_mangle]
// static KEEP_LPUART2: unsafe extern "C" fn() = LPUART2;
// // Wrapper function for the interrupt handler
// unsafe extern "C" fn lpuart2_handler() {
// hal::uart::UartInterruptHandler::on_interrupt();
// }
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
// let _p = hal::init(hal::config::Config::default());
// // Enable/clock UART2 before touching its registers
// unsafe {
// common::init_uart2(hal::pac());
// }
// let src = unsafe { hal::clocks::uart2_src_hz(hal::pac()) };
// let uart = uart::Uart::<uart::Lpuart2>::new(_p.LPUART2, uart::Config::new(src));
// // Configure LPUART2 interrupt for UART operation BEFORE any UART usage
// hal::interrupt::LPUART2.configure_for_uart(hal::interrupt::Priority::from(3));
// // Manually install the interrupt handler and enable RX IRQs in the peripheral
// unsafe {
// hal::interrupt::LPUART2.install_handler(lpuart2_handler);
// // Enable RX interrupts so the handler actually fires on incoming bytes
// uart.enable_rx_interrupts();
// }
// // Print welcome message
// uart.write_str_blocking("UART interrupt echo demo starting...\r\n");
// uart.write_str_blocking("Type characters to echo them back.\r\n");
// // Log using defmt if enabled
// defmt::info!("UART interrupt echo demo starting...");
// loop {
// // Check if we have received any data
// if uart.rx_data_available() {
// if let Some(byte) = uart.try_read_byte() {
// // Echo it back
// uart.write_byte(byte);
// uart.write_str_blocking(" (received)\r\n");
// }
// } else {
// // No data available, wait a bit before checking again
// cortex_m::asm::delay(12_000_000); // ~1 second at 12MHz
// }
// }
}
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