29 lines
639 B
Rust
29 lines
639 B
Rust
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use core::fmt;
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pub struct SerialPort {
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port: uart_16550::SerialPort,
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}
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impl SerialPort {
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/// # Safety
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///
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/// unsafe because this function must only be called once
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pub unsafe fn init() -> Self {
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let mut port = unsafe { uart_16550::SerialPort::new(0x3F8) };
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port.init();
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Self { port }
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}
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}
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impl fmt::Write for SerialPort {
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fn write_str(&mut self, s: &str) -> fmt::Result {
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for char in s.bytes() {
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match char {
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b'\n' => self.port.write_str("\r\n").unwrap(),
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byte => self.port.send(byte),
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}
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}
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Ok(())
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}
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}
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