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45 lines
1.3 KiB
Rust
45 lines
1.3 KiB
Rust
// SPDX-License-Identifier: MIT OR Apache-2.0
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//
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// Copyright (c) 2018-2022 Andre Richter <andre.o.richter@gmail.com>
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//! System console.
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use crate::bsp;
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//--------------------------------------------------------------------------------------------------
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// Public Definitions
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//--------------------------------------------------------------------------------------------------
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/// Console interfaces.
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pub mod interface {
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use core::fmt;
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/// Console write functions.
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pub trait Write {
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/// Write a Rust format string.
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fn write_fmt(&self, args: fmt::Arguments) -> fmt::Result;
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}
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/// Console statistics.
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pub trait Statistics {
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/// Return the number of characters written.
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fn chars_written(&self) -> usize {
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0
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}
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}
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/// Trait alias for a full-fledged console.
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pub trait All: Write + Statistics {}
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}
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//--------------------------------------------------------------------------------------------------
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// Public Code
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//--------------------------------------------------------------------------------------------------
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/// Return a reference to the console.
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///
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/// This is the global console used by all printing macros.
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pub fn console() -> &'static dyn interface::All {
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bsp::console::console()
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}
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