imxrt-hal 0.6.0

//! Demonstrates the temperature monitor on 10xx MCUs.
//!
//! This example uses the logging system to relay temperature
//! measurements.

#![no_std]
#![no_main]

//
// Configure the demo below.
//

/// Change me to change how log messages are serialized
/// and transported.
const FRONTEND: board::logging::Frontend = board::logging::Frontend::Log;
/// This is a function of your board. Want to change it? Change it right
/// here to explore different example code paths.
const BACKEND: board::logging::Backend = board::logging::BACKEND;

#[derive(Debug, defmt::Format)]
pub enum Frontend {
    Log,
    Defmt,
}

#[derive(Debug, defmt::Format)]
pub enum Backend {
    Usbd,
    Lpuart,
}

/// How frequently (milliseconds) should we make a log message?
///
/// Decrease this constant to log more frequently.
const MAKE_LOG_INTERVAL_MS: u32 = board::PIT_FREQUENCY / 1_000 * 250;

//
// End configurations.
//

use hal::pit::Channel;
use imxrt_hal as hal;

const PIT_CHANNEL: Channel = Channel::Chan2;

#[imxrt_rt::entry]
fn main() -> ! {
    let (
        board::Common {
            mut pit,
            usb1,
            usbnc1,
            usbphy1,

            mut dma,
            ..
        },
        board::Specifics {
            led,
            console,
            mut tempmon,
            ..
        },
    ) = board::new();

    // When should we generate a log message?
    pit.set_load_timer_value(PIT_CHANNEL, MAKE_LOG_INTERVAL_MS);
    pit.set_interrupt_enable(PIT_CHANNEL, false);
    pit.enable(PIT_CHANNEL);

    let usbd = imxrt_usbd::Instances {
        usb: usb1,
        usbnc: usbnc1,
        usbphy: usbphy1,
    };

    let dma_a = dma[board::BOARD_DMA_A_INDEX].take().unwrap();
    let mut poller = board::logging::init(FRONTEND, BACKEND, console, dma_a, usbd);

    tempmon.start().ok();
    loop {
        poller.poll();
        if pit.is_elapsed(PIT_CHANNEL) {
            led.toggle();
            while pit.is_elapsed(PIT_CHANNEL) {
                pit.clear_elapsed(PIT_CHANNEL);
            }

            if let Ok(temperature) = tempmon.get_temp() {
                log::info!("Temperature (mC'): {temperature}");
                defmt::println!("Temperature (mC'): {=i32}", temperature);
            }
        }
    }
}