47 lines
1.3 KiB
Rust
47 lines
1.3 KiB
Rust
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#![no_std]
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#![no_main]
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use embassy_executor::Spawner;
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use embassy_time::{Duration, Instant, Ticker};
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use embedded_hal::digital::StatefulOutputPin;
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use panic_rtt_target as _;
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use rtt_target::{rprintln, rtt_init_print};
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use va416xx_hal::{gpio::PinsG, pac, prelude::*, time::Hertz};
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const EXTCLK_FREQ: u32 = 40_000_000;
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// main is itself an async function.
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#[embassy_executor::main]
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async fn main(_spawner: Spawner) {
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rtt_init_print!();
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rprintln!("VA416xx Embassy Demo");
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let mut dp = pac::Peripherals::take().unwrap();
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// Initialize the systick interrupt & obtain the token to prove that we did
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// Use the external clock connected to XTAL_N.
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let clocks = dp
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.clkgen
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.constrain()
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.xtal_n_clk_with_src_freq(Hertz::from_raw(EXTCLK_FREQ))
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.freeze(&mut dp.sysconfig)
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.unwrap();
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// Safety: Only called once here.
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unsafe {
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embassy_example::init(
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&mut dp.sysconfig,
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&dp.irq_router,
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dp.tim15,
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dp.tim14,
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&clocks,
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)
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};
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let portg = PinsG::new(&mut dp.sysconfig, dp.portg);
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let mut led = portg.pg5.into_readable_push_pull_output();
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let mut ticker = Ticker::every(Duration::from_secs(1));
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loop {
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ticker.next().await;
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rprintln!("Current time: {}", Instant::now().as_secs());
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led.toggle().ok();
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}
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}
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