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arduino_blinkrs
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Now blink using a HAL

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kirbylife 2022-11-24 00:09:11 -06:00
parent fa6f69cab4
commit 5b2648440f
2 changed files with 9 additions and 24 deletions
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1
Cargo.toml
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@ -4,6 +4,7 @@ version = "0.1.0"
edition = "2021" edition = "2021"
[dependencies] [dependencies]
ruduino = { git = "https://github.com/avr-rust/ruduino", branch = "master" }
[profile.release] [profile.release]
lto = true lto = true

32
src/main.rs
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@ -1,34 +1,18 @@
#![feature(asm_experimental_arch)]
#![no_std] #![no_std]
#![no_main] #![no_main]
use core::arch::asm; use ruduino::cores::current::port::B5 as led;
use core::ptr::{read_volatile, write_volatile}; use ruduino::delay::delay_ms;
use ruduino::Pin;
const DDRB: *mut u8 = 0x24 as *mut u8;
const PORTB: *mut u8 = 0x25 as *mut u8;
const CPU_SPEED: u32 = 16_000_000;
#[no_mangle] #[no_mangle]
pub extern "C" fn main() -> ! { pub extern "C" fn main() -> ! {
unsafe { write_volatile(DDRB, 0b11111111) }; led::set_output();
loop { loop {
unsafe { write_volatile(PORTB, 0b00000000) }; led::set_high();
sleep(1); delay_ms(1000);
unsafe { write_volatile(PORTB, 0b00100000) }; led::set_low();
sleep(1); delay_ms(1000);
} }
} }
fn sleep(time: u32) {
for _ in 0..(CPU_SPEED / 10 * time) {
unsafe { asm!("nop") }
}
}
#[panic_handler]
fn panic(_info: &::core::panic::PanicInfo) -> ! {
loop {}
}