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/*
* Copyright © 2011 Keith Packard <keithp@keithp.com>
*
* 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; version 2 of the License.
*
* 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.
*/
#include "ao.h"
int
stdio_put(char c, FILE *stream)
{
if (ao_cur_task && ao_num_stdios)
putchar(c);
else
{
if (c == '\n')
stdio_put('\r', stream);
loop_until_bit_is_set(UCSR1A, UDRE1);
UDR1 = c;
}
return 0;
}
int
stdio_get(FILE *stream)
{
return (int) getchar() & 0xff;
}
static FILE mystdout = FDEV_SETUP_STREAM(stdio_put, NULL, _FDEV_SETUP_WRITE);
static FILE mystdin = FDEV_SETUP_STREAM(NULL, stdio_get, _FDEV_SETUP_READ);
void
ao_stdio_init(void)
{
stdout = &mystdout;
stdin = &mystdin;
printf("%d stdios registered\n", ao_num_stdios);
}
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