altos_bt_open(struct altos_bt_device *device)
{
struct sockaddr_rc addr = { 0 };
- int s, status;
+ int status, i;
struct altos_file *file;
file = calloc(1, sizeof (struct altos_file));
if (!file)
goto no_file;
- file->fd = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
- if (file->fd < 0) {
- altos_set_last_posix_error();
- goto no_sock;
- }
-
addr.rc_family = AF_BLUETOOTH;
addr.rc_channel = 1;
str2ba(device->addr, &addr.rc_bdaddr);
- status = connect(file->fd,
- (struct sockaddr *)&addr,
- sizeof(addr));
+ for (i = 0; i < 5; i++) {
+ file->fd = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
+ if (file->fd < 0) {
+ altos_set_last_posix_error();
+ goto no_sock;
+ }
+
+ status = connect(file->fd,
+ (struct sockaddr *)&addr,
+ sizeof(addr));
+ if (status >= 0 || errno != EBUSY)
+ break;
+ close(file->fd);
+ usleep(100 * 1000);
+ }
if (status < 0) {
altos_set_last_posix_error();
goto no_link;
}
- sleep(1);
+ usleep(100 * 1000);
#ifdef USE_POLL
pipe(file->pipe);
#endif
return file;
no_link:
- close(s);
+ close(file->fd);
no_sock:
free(file);
no_file:
struct altos_file *file = calloc (1, sizeof (struct altos_file));
char full_name[64];
COMMTIMEOUTS timeouts;
+ int i;
if (!file)
return NULL;
strcpy(full_name, "\\\\.\\");
strcat(full_name, device->path);
- file->handle = open_serial(full_name);
+ file->handle = INVALID_HANDLE_VALUE;
+
+ for (i = 0; i < 5; i++) {
+ file->handle = open_serial(full_name);
+ if (file->handle != INVALID_HANDLE_VALUE)
+ break;
+ Sleep(100);
+ }
+
if (file->handle == INVALID_HANDLE_VALUE) {
free(file);
return NULL;