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/*
* Copyright (c) 2011 The Chromium OS Authors.
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* This provide a test serial port. It provides an emulated serial port where
* a test program and read out the serial output and inject serial input for
* U-Boot.
*/
#include <common.h>
#include <os.h>
int serial_init(void)
{
os_tty_raw(0);
return 0;
}
void serial_setbrg(void)
{
}
void serial_putc(const char ch)
{
os_write(1, &ch, 1);
}
void serial_puts(const char *str)
{
os_write(1, str, strlen(str));
}
int serial_getc(void)
{
char buf;
ssize_t count;
count = os_read(0, &buf, 1);
return count == 1 ? buf : 0;
}
int serial_tstc(void)
{
return 0;
}
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