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https://github.com/rust-embedded/rust-raspberrypi-OS-tutorials.git
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37 lines
823 B
Rust
37 lines
823 B
Rust
// SPDX-License-Identifier: MIT OR Apache-2.0
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//
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// Copyright (c) 2019-2020 Andre Richter <andre.o.richter@gmail.com>
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//! Console sanity tests - RX, TX and statistics.
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#![feature(format_args_nl)]
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#![no_main]
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#![no_std]
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mod panic_exit_failure;
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use libkernel::{bsp, console, print};
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#[no_mangle]
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unsafe fn kernel_init() -> ! {
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use bsp::console::{console, qemu_bring_up_console};
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use console::interface::*;
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qemu_bring_up_console();
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// Handshake
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assert_eq!(console().read_char(), 'A');
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assert_eq!(console().read_char(), 'B');
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assert_eq!(console().read_char(), 'C');
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print!("OK1234");
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// 6
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print!("{}", console().chars_written());
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// 3
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print!("{}", console().chars_read());
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// The QEMU process running this test will be closed by the I/O test harness.
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loop {}
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}
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