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3 Commits
Author | SHA1 | Date |
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kirbylife | e6eea599b4 | |
kirbylife | 6244ace8f0 | |
kirbylife | 5b2648440f |
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@ -4,6 +4,8 @@ version = "0.1.0"
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edition = "2021"
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[dependencies]
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arduino-hal = { git = "https://github.com/rahix/avr-hal", features = ["arduino-uno"] }
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panic-halt = "0.2.0"
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[profile.release]
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lto = true
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35
src/main.rs
35
src/main.rs
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@ -1,34 +1,19 @@
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#![feature(asm_experimental_arch)]
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#![no_std]
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#![no_main]
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use core::arch::asm;
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use core::ptr::{read_volatile, write_volatile};
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use arduino_hal::delay_ms;
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use panic_halt as _;
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const DDRB: *mut u8 = 0x24 as *mut u8;
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const PORTB: *mut u8 = 0x25 as *mut u8;
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#[arduino_hal::entry]
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fn main() -> ! {
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let peripherals = arduino_hal::Peripherals::take().unwrap();
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let pins = arduino_hal::pins!(peripherals);
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const CPU_SPEED: u32 = 16_000_000;
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#[no_mangle]
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pub extern "C" fn main() -> ! {
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unsafe { write_volatile(DDRB, 0b11111111) };
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let mut led = pins.d13.into_output();
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led.set_high();
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loop {
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unsafe { write_volatile(PORTB, 0b00000000) };
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sleep(1);
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unsafe { write_volatile(PORTB, 0b00100000) };
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sleep(1);
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led.toggle();
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delay_ms(1000);
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}
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}
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fn sleep(time: u32) {
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for _ in 0..(CPU_SPEED / 10 * time) {
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unsafe { asm!("nop") }
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}
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}
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#[panic_handler]
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fn panic(_info: &::core::panic::PanicInfo) -> ! {
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loop {}
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}
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