Files
creaturedex/src/background_tasks/nfc.rs
T

81 lines
2.8 KiB
Rust

use crate::navigation::navigation::display_error;
use crate::{
navigation::{navigation::Mutex, outputs::Outputs, state::NavigationState},
peripherals::Peripherals,
};
use alloc::string::ToString;
use embedded_hal_bus::i2c::AtomicDevice;
use esp_hal::{Blocking, i2c::master::I2c, time::Instant};
use crate::{
card::{decoder::split_nfc_hex, model::Card},
drivers::nfc_pn532::NfcPn532Driver,
navigation::navigation::CARD_DATA,
};
#[embassy_executor::task]
#[allow(
clippy::large_stack_frames,
reason = "ignoring this for now because it still works"
)]
pub async fn nfc_scanner(
mut nfc_driver: NfcPn532Driver<AtomicDevice<'static, I2c<'static, Blocking>>>,
outputs: &'static Mutex<Outputs>,
peripherals: &'static Peripherals,
navigation_state: &'static Mutex<NavigationState>,
) {
loop {
while CARD_DATA.lock().await.is_none() {
let start = Instant::now();
match nfc_driver.read_card_data().await {
Ok(card_data) => {
let Some(split_data) = split_nfc_hex(&card_data) else {
log::error!("Failed to split NFC card data");
continue;
};
let card = match Card::try_from(split_data) {
Ok(card) => card,
Err(err) => {
log::error!("Invalid card data: {err}");
continue;
}
};
CARD_DATA.lock().await.replace(card);
match peripherals
.store
.lock()
.await
.card_store
.save_raw_card(split_data, peripherals.rtc.current_time_us())
.await
{
Ok(()) => {}
Err(error) => {
log::error!("Error storing card in flash: {:?}", error);
display_error(
error.to_string(),
navigation_state,
outputs,
peripherals,
)
.await;
}
}
let elapsed_ms = start.elapsed().as_millis();
log::info!(
"NFC read duration: {} ms, card data length: {}",
elapsed_ms,
card_data.len()
);
}
Err(_) => {
log::info!("No NFC card found");
}
}
}
embassy_time::Timer::after(embassy_time::Duration::from_millis(1000)).await;
}
}