TeleStern/libaltos/libaltos_common.c

129 lines
2.8 KiB
C

/*
* 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; 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.
*/
#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;
file->busy = 1;
while (file->in_read == file->in_used) {
ret = altos_fill(file, timeout);
if (ret)
goto done;
}
ret = file->in_data[file->in_read++];
done:
file->busy = 0;
return ret;
}
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;
}
struct bt_vendor_map {
const char vendor[10];
int port;
};
static const struct bt_vendor_map altos_bt_vendor_map[] = {
{ .vendor = "00:12:6f:", 1 }, /* Rayson */
{ .vendor = "8c:de:52:", 6 }, /* ISSC */
{ .vendor = "d8:80:39:", 6 }, /* Microchip */
{ .vendor = "04:91:62:", 6 }, /* New Microchip */
};
#define NUM_BT_VENDOR_MAP (sizeof altos_bt_vendor_map / sizeof altos_bt_vendor_map[0])
static inline int
ao_tolower(int c) {
if ('A' <= c && c <= 'Z')
return c + 'a' - 'A';
return c;
}
int altos_bt_port(struct altos_bt_device *device) {
unsigned i, j;
for (i = 0; i < NUM_BT_VENDOR_MAP; i++) {
const char *vendor = altos_bt_vendor_map[i].vendor;
for (j = 0; ; j++) {
if (vendor[j] == '\0')
return altos_bt_vendor_map[i].port;
if (device->addr[j] == '\0')
break;
if (ao_tolower(device->addr[j]) != vendor[j])
break;
}
}
return 0;
}
PUBLIC void
altos_free(struct altos_file *file)
{
int i;
altos_close(file);
for (i = 0; i < 10 && file->busy; i++)
altos_pause_one_second();
free(file);
}