rp-hal-boards/boards/pimoroni-tiny2040/examples/tiny2040_blinky.rs

72 lines
1.7 KiB
Rust

//! Blinks the 3 colour LEDs on a Tiny2040 in sequence
#![no_std]
#![no_main]
use bsp::entry;
use defmt::*;
use defmt_rtt as _;
use embedded_hal::digital::v2::OutputPin;
use embedded_time::fixed_point::FixedPoint;
use panic_halt as _;
use pimoroni_tiny2040 as bsp;
use bsp::hal::{
clocks::{init_clocks_and_plls, Clock},
pac,
sio::Sio,
watchdog::Watchdog,
};
#[entry]
fn main() -> ! {
info!("Program start");
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);
// External high-speed crystal on the pico board is 12Mhz
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().integer());
let pins = bsp::Pins::new(
pac.IO_BANK0,
pac.PADS_BANK0,
sio.gpio_bank0,
&mut pac.RESETS,
);
let mut led_green = pins.led_green.into_push_pull_output();
let mut led_red = pins.led_red.into_push_pull_output();
let mut led_blue = pins.led_blue.into_push_pull_output();
led_green.set_high().unwrap();
led_red.set_high().unwrap();
led_blue.set_high().unwrap();
loop {
led_green.set_low().unwrap();
delay.delay_ms(500);
led_green.set_high().unwrap();
led_blue.set_low().unwrap();
delay.delay_ms(500);
led_blue.set_high().unwrap();
led_red.set_low().unwrap();
delay.delay_ms(500);
led_red.set_high().unwrap();
}
}
// End of file