listen-only option (-l) has been added to slcan-attach in oct 2015.
It is now replicated in slcand
Signed-off-by: interlocuteur <gallard@mmic.net>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
fprintf(stderr, "Options: -o (send open command 'O\\r')\n");
fprintf(stderr, " -c (send close command 'C\\r')\n");
fprintf(stderr, " -f (read status flags with 'F\\r' to reset error states)\n");
fprintf(stderr, "Options: -o (send open command 'O\\r')\n");
fprintf(stderr, " -c (send close command 'C\\r')\n");
fprintf(stderr, " -f (read status flags with 'F\\r' to reset error states)\n");
+ fprintf(stderr, " -l (send listen only command 'L\\r', overrides -o)\n");
fprintf(stderr, " -s <speed> (set CAN speed 0..8)\n");
fprintf(stderr, " -S <speed> (set UART speed in baud)\n");
fprintf(stderr, " -t <type> (set UART flow control type 'hw' or 'sw')\n");
fprintf(stderr, " -s <speed> (set CAN speed 0..8)\n");
fprintf(stderr, " -S <speed> (set UART speed in baud)\n");
fprintf(stderr, " -t <type> (set UART flow control type 'hw' or 'sw')\n");
int opt;
int send_open = 0;
int send_close = 0;
int opt;
int send_open = 0;
int send_close = 0;
int send_read_status_flags = 0;
char *speed = NULL;
char *uart_speed_str = NULL;
int send_read_status_flags = 0;
char *speed = NULL;
char *uart_speed_str = NULL;
- while ((opt = getopt(argc, argv, "ocfs:S:t:b:?hF")) != -1) {
+ while ((opt = getopt(argc, argv, "ocfls:S:t:b:?hF")) != -1) {
switch (opt) {
case 'o':
send_open = 1;
switch (opt) {
case 'o':
send_open = 1;
case 'f':
send_read_status_flags = 1;
break;
case 'f':
send_read_status_flags = 1;
break;
+ case 'l':
+ send_listen = 1;
+ break;
case 's':
speed = optarg;
if (strlen(speed) > 1)
case 's':
speed = optarg;
if (strlen(speed) > 1)
write(fd, buf, strlen(buf));
}
write(fd, buf, strlen(buf));
}
+ if (send_listen) {
+ sprintf(buf, "L\r");
+ write(fd, buf, strlen(buf));
+ } else if (send_open) {
sprintf(buf, "O\r");
write(fd, buf, strlen(buf));
}
sprintf(buf, "O\r");
write(fd, buf, strlen(buf));
}