48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
Rust
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#![no_main]
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#![no_std]
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use rp_pico::entry;
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use panic_halt as _;
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use embedded_hal::digital::v2::OutputPin;
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use rp_pico::{hal, hal::{clocks, pac, watchdog::Watchdog, clocks::{Clock, init_clocks_and_plls}}};
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#[entry]
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fn main() -> ! {
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let mut pac = pac::Peripherals::take().unwrap();
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let core = pac::CorePeripherals::take().unwrap();
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let sio = hal::Sio::new(pac.SIO);
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let mut watchdog = Watchdog::new(pac.WATCHDOG);
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let pins = rp_pico::Pins::new(
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pac.IO_BANK0,
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pac.PADS_BANK0,
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sio.gpio_bank0,
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&mut pac.RESETS,
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);
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let external_xtal_freq_hz = 12_000_000u32;
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let clocks = init_clocks_and_plls(
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external_xtal_freq_hz,
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pac.XOSC,
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pac.CLOCKS,
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pac.PLL_SYS,
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pac.PLL_USB,
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&mut pac.RESETS,
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&mut watchdog,
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).ok().unwrap();
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let mut delay = cortex_m::delay::Delay::new(core.SYST, clocks.system_clock.freq().to_Hz());
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let mut led_pin = pins.led.into_push_pull_output();
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let mut blue_pin = pins.gpio3.into_push_pull_output();
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led_pin.set_high().unwrap();
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loop {
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led_pin.set_high().unwrap();
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blue_pin.set_low().unwrap();
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delay.delay_ms(500);
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led_pin.set_low().unwrap();
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blue_pin.set_high().unwrap();
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delay.delay_ms(500);
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}
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}
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