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/*
* This file is part of the sigrok-cli project.
*
* Copyright (C) 2013 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 "sigrok-cli.h"
#include "config.h"
#include <glib.h>
#include <string.h>
extern struct sr_context *sr_ctx;
extern gchar *opt_drv;
extern gchar *opt_channel_group;
/* Convert driver options hash to GSList of struct sr_config. */
static GSList *hash_to_hwopt(GHashTable *hash)
{
struct sr_config *src;
GList *gl, *keys;
GSList *opts;
char *key;
keys = g_hash_table_get_keys(hash);
opts = NULL;
for (gl = keys; gl; gl = gl->next) {
key = gl->data;
src = g_malloc(sizeof(struct sr_config));
if (opt_to_gvar(key, g_hash_table_lookup(hash, key), src) != 0)
return NULL;
opts = g_slist_append(opts, src);
}
g_list_free(keys);
return opts;
}
static void free_drvopts(struct sr_config *src)
{
g_variant_unref(src->data);
g_free(src);
}
GSList *device_scan(void)
{
struct sr_dev_driver **drivers, *driver;
GHashTable *drvargs;
GSList *drvopts, *devices, *tmpdevs, *l;
int i;
char *drvname;
if (opt_drv) {
drvargs = parse_generic_arg(opt_drv, TRUE);
drvname = g_strdup(g_hash_table_lookup(drvargs, "sigrok_key"));
g_hash_table_remove(drvargs, "sigrok_key");
driver = NULL;
drivers = sr_driver_list();
for (i = 0; drivers[i]; i++) {
if (strcmp(drivers[i]->name, drvname))
continue;
driver = drivers[i];
}
if (!driver) {
g_critical("Driver %s not found.", drvname);
g_hash_table_destroy(drvargs);
g_free(drvname);
return NULL;
}
g_free(drvname);
if (sr_driver_init(sr_ctx, driver) != SR_OK) {
g_critical("Failed to initialize driver.");
g_hash_table_destroy(drvargs);
return NULL;
}
drvopts = NULL;
if (g_hash_table_size(drvargs) > 0) {
if (!(drvopts = hash_to_hwopt(drvargs))) {
/* Unknown options, already logged. */
g_hash_table_destroy(drvargs);
return NULL;
}
}
g_hash_table_destroy(drvargs);
devices = sr_driver_scan(driver, drvopts);
g_slist_free_full(drvopts, (GDestroyNotify)free_drvopts);
} else {
/* No driver specified, let them all scan on their own. */
devices = NULL;
drivers = sr_driver_list();
for (i = 0; drivers[i]; i++) {
driver = drivers[i];
if (sr_driver_init(sr_ctx, driver) != SR_OK) {
g_critical("Failed to initialize driver.");
return NULL;
}
tmpdevs = sr_driver_scan(driver, NULL);
for (l = tmpdevs; l; l = l->next)
devices = g_slist_append(devices, l->data);
g_slist_free(tmpdevs);
}
}
return devices;
}
struct sr_channel_group *select_channel_group(struct sr_dev_inst *sdi)
{
struct sr_channel_group *cg;
GSList *l;
if (!opt_channel_group)
return NULL;
if (!sdi->channel_groups) {
g_critical("This device does not have any channel groups.");
return NULL;
}
for (l = sdi->channel_groups; l; l = l->next) {
cg = l->data;
if (!strcasecmp(opt_channel_group, cg->name)) {
return cg;
}
}
return NULL;
}
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