40 lines
842 B
Rust
40 lines
842 B
Rust
|
use core::fmt;
|
||
|
|
use super::io::{Io, Pio};
|
||
|
|
|
||
|
|
pub struct SerialConsole {
|
||
|
|
status: Pio<u8>,
|
||
|
|
data: Pio<u8>
|
||
|
|
}
|
||
|
|
|
||
|
|
impl SerialConsole {
|
||
|
|
pub fn new() -> SerialConsole {
|
||
|
|
SerialConsole {
|
||
|
|
status: Pio::new(0x3F8 + 5),
|
||
|
|
data: Pio::new(0x3F8)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn write(&mut self, bytes: &[u8]) {
|
||
|
|
for byte in bytes.iter() {
|
||
|
|
while !self.status.readf(0x20) {}
|
||
|
|
self.data.write(*byte);
|
||
|
|
|
||
|
|
if *byte == 8 {
|
||
|
|
while !self.status.readf(0x20) {}
|
||
|
|
self.data.write(0x20);
|
||
|
|
|
||
|
|
while !self.status.readf(0x20) {}
|
||
|
|
self.data.write(8);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
impl fmt::Write for SerialConsole {
|
||
|
|
fn write_str(&mut self, s: &str) -> Result<(), fmt::Error> {
|
||
|
|
self.write(s.as_bytes());
|
||
|
|
|
||
|
|
Ok(())
|
||
|
|
}
|
||
|
|
}
|