Function main

c1minimal/src/main.rs:66–185

()

#[entry]
fn main() -> ! {
    let mut pac = pac::Peripherals::take().unwrap();
    let core = pac::CorePeripherals::take().unwrap();
    let mut watchdog = Watchdog::new(pac.WATCHDOG);
    let sio = Sio::new(pac.SIO);

    let clocks = init_clocks_and_plls(
        bsp::XOSC_CRYSTAL_FREQ,
        pac.XOSC,
        pac.CLOCKS,
        pac.PLL_SYS,
        pac.PLL_USB,
        &mut pac.RESETS,
        &mut watchdog,
    )
    .ok()
    .unwrap();

    let mut delay = cortex_m::delay::Delay::new(core.SYST, clocks.system_clock.freq().to_Hz());

    let pins = bsp::Pins::new(
        pac.IO_BANK0,
        pac.PADS_BANK0,
        sio.gpio_bank0,
        &mut pac.RESETS,
    );

    // Set up the USB driver
    let usb_bus = UsbBusAllocator::new(usb::UsbBus::new(
        pac.USBCTRL_REGS,
        pac.USBCTRL_DPRAM,
        clocks.usb_clock,
        true,
        &mut pac.RESETS,
    ));

    // Set up the USB Communications Class Device driver
    let mut serial = SerialPort::new(&usb_bus);

    let serialnum = if let Some(serialnum) = get_serialnum() {
        serialnum.serialnum
    } else {
        DEFAULT_SERIAL
    };

    let mut usb_dev = UsbDeviceBuilder::new(&usb_bus, UsbVidPid(0x32ac, 0x0022))
        .manufacturer("Framework Computer Inc")
        .product("C1 Minimal Input Module")
        .serial_number(serialnum)
        .max_power(500) // TODO: Check how much
        .device_release(device_release())
        .device_class(USB_CLASS_CDC)
        .build();

    let sleep = pins.sleep.into_pull_down_input();

    let mut state = C1MinimalState {
        sleeping: SimpleSleepState::Awake,