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/*
* Copyright © 2016 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 "libaltos_private.h"
PUBLIC int
altos_init(void)
{
return LIBALTOS_SUCCESS;
}
PUBLIC void
altos_fini(void)
{
}
struct altos_error altos_last_error;
void
altos_set_last_error(int code, char *string)
{
altos_last_error.code = code;
strncpy(altos_last_error.string, string, sizeof (altos_last_error.string) -1);
altos_last_error.string[sizeof(altos_last_error.string)-1] = '\0';
}
PUBLIC void
altos_get_last_error(struct altos_error *error)
{
*error = altos_last_error;
}
PUBLIC int
altos_getchar(struct altos_file *file, int timeout)
{
int ret;
while (file->in_read == file->in_used) {
ret = altos_fill(file, timeout);
if (ret)
return ret;
}
return file->in_data[file->in_read++];
}
PUBLIC int
altos_putchar(struct altos_file *file, char c)
{
int ret;
if (file->out_used == USB_BUF_SIZE) {
ret = altos_flush(file);
if (ret) {
return ret;
}
}
file->out_data[file->out_used++] = c;
ret = 0;
if (file->out_used == USB_BUF_SIZE)
ret = altos_flush(file);
return ret;
}
PUBLIC void
altos_free(struct altos_file *file)
{
altos_close(file);
free(file);
}
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