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Add list serial devices feature

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For convenience, add a --list-devices option which lists the available
serial devices.
This commit is contained in:
Martin Lund 2022-02-08 22:44:48 +01:00
parent 6310f28d2c
commit 7a2a18232d
8 changed files with 55 additions and 2 deletions
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14
src/options.c
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@ -47,6 +47,7 @@ struct option_t option =
.log = false,
.local_echo = false,
.timestamp = false,
.list_devices = false,
.log_filename = "",
.map = ""
};
@ -65,6 +66,7 @@ void print_help(char *argv[])
printf(" -n, --no-autoconnect Disable automatic connect\n");
printf(" -e, --local-echo Do local echo\n");
printf(" -t, --timestamp Timestamp lines\n");
printf(" -i, --list-devices List available serial devices\n");
printf(" -l, --log <filename> Log to file\n");
printf(" -m, --map <flags> Map special characters\n");
printf(" -v, --version Display version\n");
@ -115,6 +117,7 @@ void parse_options(int argc, char *argv[])
{"no-autoconnect", no_argument, 0, 'n'},
{"local-echo", no_argument, 0, 'e'},
{"timestamp", no_argument, 0, 't'},
{"list-devices", no_argument, 0, 'i'},
{"log", required_argument, 0, 'l'},
{"map", required_argument, 0, 'm'},
{"version", no_argument, 0, 'v'},
@ -126,7 +129,7 @@ void parse_options(int argc, char *argv[])
int option_index = 0;
/* Parse argument using getopt_long */
c = getopt_long(argc, argv, "b:d:f:s:p:o:netl:m:vh", long_options, &option_index);
c = getopt_long(argc, argv, "b:d:f:s:p:o:netil:m:vh", long_options, &option_index);
/* Detect the end of the options */
if (c == -1)
@ -180,6 +183,10 @@ void parse_options(int argc, char *argv[])
option.timestamp = true;
break;
case 'i':
option.list_devices = true;
break;
case 'l':
option.log = true;
option.log_filename = optarg;
@ -214,6 +221,11 @@ void parse_options(int argc, char *argv[])
}
}
if (option.list_devices)
{
return;
}
/* Assume first non-option is the tty device name */
if (optind < argc)
option.tty_device = argv[optind++];