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32 lines
762 B
Rust
32 lines
762 B
Rust
#![no_std]
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#![no_main]
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use esp32s2_hal::{gpio::IO, pac::Peripherals, prelude::*, Delay, Timer};
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use panic_halt as _;
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use xtensa_lx_rt::entry;
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#[entry]
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fn main() -> ! {
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let peripherals = Peripherals::take().unwrap();
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// Disable the TIMG watchdog timer.
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let mut timer0 = Timer::new(peripherals.TIMG0);
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timer0.disable();
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// Set GPIO4 as an output, and set its state high initially.
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let io = IO::new(peripherals.GPIO, peripherals.IO_MUX);
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let mut led = io.pins.gpio4.into_push_pull_output();
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led.set_high().unwrap();
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// Initialize the Delay peripheral, and use it to toggle the LED state in a
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// loop.
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let mut delay = Delay::new();
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loop {
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led.toggle().unwrap();
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delay.delay_ms(500u32);
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}
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}
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