mirror of https://github.com/m-labs/artiq.git
39 lines
810 B
Rust
39 lines
810 B
Rust
use core::fmt;
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pub struct Console;
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impl fmt::Write for Console {
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#[cfg(has_uart)]
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fn write_str(&mut self, s: &str) -> Result<(), fmt::Error> {
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use csr;
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for c in s.bytes() {
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unsafe {
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while csr::uart::txfull_read() != 0 {}
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csr::uart::rxtx_write(c)
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}
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}
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Ok(())
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}
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#[cfg(not(has_uart))]
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fn write_str(&mut self, _s: &str) -> Result<(), fmt::Error> {
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Ok(())
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}
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}
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#[macro_export]
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macro_rules! print {
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($($arg:tt)*) => ({
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use core::fmt::Write;
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write!($crate::uart_console::Console, $($arg)*).unwrap()
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})
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}
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#[macro_export]
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macro_rules! println {
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($fmt:expr) => (print!(concat!($fmt, "\n")));
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($fmt:expr, $($arg:tt)*) => (print!(concat!($fmt, "\n"), $($arg)*));
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}
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