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27 lines
540 B
Rust
27 lines
540 B
Rust
use core::fmt::{self, Write};
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use spin::Mutex;
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use device::display::DISPLAY;
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use device::serial::COM1;
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pub static CONSOLE: Mutex<Console> = Mutex::new(Console::new());
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pub struct Console;
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impl Console {
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const fn new() -> Self {
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Console
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}
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}
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impl Write for Console {
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fn write_str(&mut self, s: &str) -> Result<(), fmt::Error> {
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if let Some(ref mut display) = *DISPLAY.lock() {
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display.write(s.as_bytes());
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Ok(())
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} else {
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COM1.lock().write_str(s)
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}
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}
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}
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