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/*
* This file is part of the sigrok project.
*
* Copyright (C) 2011 Bert Vermeulen <bert@biot.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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <glib.h>
#include <sigrok.h>
#include "sigrok-cli.h"
char **parse_probestring(int max_probes, const char *probestring)
{
int tmp, b, e, i;
char **tokens, **range, **probelist, *name, str[8];
gboolean error;
error = FALSE;
range = NULL;
if (!(probelist = g_try_malloc0(max_probes * sizeof(char *)))) {
/* TODO: Handle errors. */
}
tokens = g_strsplit(probestring, ",", max_probes);
for (i = 0; tokens[i]; i++) {
if (strchr(tokens[i], '-')) {
/* A range of probes in the form 1-5. */
range = g_strsplit(tokens[i], "-", 2);
if (!range[0] || !range[1] || range[2]) {
/* Need exactly two arguments. */
printf("Invalid probe syntax '%s'.\n",
tokens[i]);
error = TRUE;
break;
}
b = strtol(range[0], NULL, 10);
e = strtol(range[1], NULL, 10);
if (b < 1 || e > max_probes || b >= e) {
printf("Invalid probe range '%s'.\n",
tokens[i]);
error = TRUE;
break;
}
while (b <= e) {
snprintf(str, 7, "%d", b);
probelist[b - 1] = g_strdup(str);
b++;
}
} else {
tmp = strtol(tokens[i], NULL, 10);
if (tmp < 1 || tmp > max_probes) {
printf("Invalid probe %d.\n", tmp);
error = TRUE;
break;
}
if ((name = strchr(tokens[i], '='))) {
probelist[tmp - 1] = g_strdup(++name);
if (strlen(probelist[tmp - 1]) > SR_MAX_PROBENAME_LEN)
probelist[tmp - 1][SR_MAX_PROBENAME_LEN] = 0;
} else {
snprintf(str, 7, "%d", tmp);
probelist[tmp - 1] = g_strdup(str);
}
}
}
if (error) {
for (i = 0; i < max_probes; i++)
if (probelist[i])
g_free(probelist[i]);
g_free(probelist);
probelist = NULL;
}
g_strfreev(tokens);
if (range)
g_strfreev(range);
return probelist;
}
GHashTable *parse_generic_arg(const char *arg)
{
GHashTable *hash;
int i;
char **elements, *e;
if (!arg || !arg[0])
return NULL;
hash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
elements = g_strsplit(arg, ":", 0);
g_hash_table_insert(hash, g_strdup("sigrok_key"), g_strdup(elements[0]));
for (i = 1; elements[i]; i++) {
e = strchr(elements[i], '=');
if (!e)
g_hash_table_insert(hash, g_strdup(elements[i]), NULL);
else {
*e++ = '\0';
g_hash_table_insert(hash, g_strdup(elements[i]), g_strdup(e));
}
}
g_strfreev(elements);
return hash;
}
struct sr_dev *parse_devstring(const char *devstring)
{
struct sr_dev *dev, *d;
struct sr_dev_driver **drivers;
GSList *devs, *l;
int i, num_devs, dev_num, dev_cnt;
char *tmp;
if (!devstring)
return NULL;
dev = NULL;
dev_num = strtol(devstring, &tmp, 10);
if (tmp != devstring) {
/* argument is numeric, meaning a device ID. Make all drivers
* scan for devices.
*/
num_devs = num_real_devs();
if (dev_num < 0 || dev_num >= num_devs)
return NULL;
dev_cnt = 0;
devs = sr_dev_list();
for (l = devs; l; l = l->next) {
d = l->data;
if (sr_dev_has_hwcap(d, SR_HWCAP_DEMO_DEV))
continue;
if (dev_cnt == dev_num) {
if (dev_num == dev_cnt) {
dev = d;
break;
}
}
dev_cnt++;
}
} else {
/* select device by driver -- only initialize that driver,
* no need to let them all scan
*/
dev = NULL;
drivers = sr_driver_list();
for (i = 0; drivers[i]; i++) {
if (strcmp(drivers[i]->name, devstring))
continue;
num_devs = sr_driver_init(drivers[i]);
if (num_devs == 1) {
devs = sr_dev_list();
dev = devs->data;
} else if (num_devs > 1) {
printf("driver '%s' found %d devices, select by ID instead.\n",
devstring, num_devs);
}
/* fall through: selected driver found no devices */
break;
}
}
return dev;
}
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