src/base/console.c

/*
 * Copyright (C) 2008 Advanced Micro Devices, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <stdio.h>
#include <stddef.h>
#include <string.h>
#include <usb/usb.h>

#include "drivers/console/console.h"

int putchar(unsigned int i)
{
	unsigned char c = (unsigned char)i;
	console_write(&c, 1);
	return c;
}

int puts(const char *s)
{
	size_t size = strlen(s);

	console_write(s, size);

	putchar('\n');
	return size + 1;
}

static int _havekey(int trusted)
{
	if (CONFIG_USB)
		usb_poll();
	return console_has_key(trusted) != NULL;
}

static int _getchar(int trusted)
{
	ConsoleInputOps *console = NULL;

	do {
		if (CONFIG_USB)
			usb_poll();
		console = console_has_key(trusted);
	} while (!console);

	return console->getchar(console);
}

int havekey(void)
{
	return _havekey(0);
}

int havekey_trusted(void)
{
	return _havekey(1);
}

int getchar(void)
{
	return _getchar(0);
}

int getchar_trusted(void)
{
	return _getchar(1);
}