int maybe_config_set(struct sr_dev_driver *driver,
const struct sr_dev_inst *sdi, struct sr_channel_group *cg,
uint32_t key, GVariant *gvar)
{
if (config_key_has_cap(driver, sdi, cg, key, SR_CONF_SET))
return sr_config_set(sdi, cg, key, gvar);
return SR_ERR_NA;
}
bool DevInst::set_config(const sr_probe_group *group, int key, GVariant *data)
{
assert(_owner);
sr_dev_inst *const sdi = dev_inst();
assert(sdi);
if(sr_config_set(sdi, group, key, data) == SR_OK) {
config_changed();
return true;
}
return false;
}
static int set_limit_time(const struct sr_dev_inst *sdi)
{
GVariant *gvar;
uint64_t time_msec;
uint64_t samplerate;
if (!(time_msec = sr_parse_timestring(opt_time))) {
g_critical("Invalid time '%s'", opt_time);
return SR_ERR;
}
if (sr_dev_has_option(sdi, SR_CONF_LIMIT_MSEC)) {
gvar = g_variant_new_uint64(time_msec);
if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_MSEC, gvar) != SR_OK) {
g_critical("Failed to configure time limit.");
return SR_ERR;
}
} else if (sr_dev_has_option(sdi, SR_CONF_SAMPLERATE)) {
/* Convert to samples based on the samplerate. */
sr_config_get(sdi->driver, sdi, NULL, SR_CONF_SAMPLERATE, &gvar);
samplerate = g_variant_get_uint64(gvar);
g_variant_unref(gvar);
limit_samples = (samplerate) * time_msec / (uint64_t)1000;
if (limit_samples == 0) {
g_critical("Not enough time at this samplerate.");
return SR_ERR;
}
gvar = g_variant_new_uint64(limit_samples);
if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
g_critical("Failed to configure time-based sample limit.");
return SR_ERR;
}
} else {
g_critical("This device does not support time limits.");
return SR_ERR;
}
return SR_OK;
}
/** @private */
SR_PRIV struct sr_dev_inst *sr_session_prepare_sdi(const char *filename, struct sr_session **session)
{
struct sr_dev_inst *sdi = NULL;
sdi = g_malloc0(sizeof(struct sr_dev_inst));
sdi->driver = &session_driver;
sdi->status = SR_ST_INACTIVE;
if (!session_driver_initialized) {
/* first device, init the driver */
session_driver_initialized = 1;
sdi->driver->init(sdi->driver, NULL);
}
sr_dev_open(sdi);
sr_session_dev_add(*session, sdi);
(*session)->owned_devs = g_slist_append((*session)->owned_devs, sdi);
sr_config_set(sdi, NULL, SR_CONF_SESSIONFILE,
g_variant_new_string(filename));
return sdi;
}
int set_dev_options(struct sr_dev_inst *sdi, GHashTable *args)
{
struct sr_config src;
struct sr_channel_group *cg;
GHashTableIter iter;
gpointer key, value;
int ret;
g_hash_table_iter_init(&iter, args);
while (g_hash_table_iter_next(&iter, &key, &value)) {
if ((ret = opt_to_gvar(key, value, &src)) != 0)
return ret;
cg = select_channel_group(sdi);
ret = sr_config_set(sdi, cg, src.key, src.data);
if (ret != SR_OK) {
g_critical("Failed to set device option '%s'.", (char *)key);
return ret;
}
}
return SR_OK;
}
void DeviceOptions::config_setter(
const struct sr_dev_inst *sdi, int key, GVariant* value)
{
if (sr_config_set(sdi, key, value) != SR_OK)
qDebug() << "WARNING: Failed to set value of sample rate";
}
void run_session(void)
{
GSList *devices;
GHashTable *devargs;
GVariant *gvar;
struct sr_dev_inst *sdi;
uint64_t min_samples, max_samples;
devices = device_scan();
if (!devices) {
g_critical("No devices found.");
return;
}
if (g_slist_length(devices) > 1) {
g_critical("sigrok-cli only supports one device for capturing.");
return;
}
sdi = devices->data;
sr_session_new();
sr_session_datafeed_callback_add(datafeed_in, NULL);
if (sr_dev_open(sdi) != SR_OK) {
g_critical("Failed to open device.");
return;
}
if (sr_session_dev_add(sdi) != SR_OK) {
g_critical("Failed to add device to session.");
sr_session_destroy();
return;
}
if (opt_config) {
if ((devargs = parse_generic_arg(opt_config, FALSE))) {
if (set_dev_options(sdi, devargs) != SR_OK)
return;
g_hash_table_destroy(devargs);
}
}
if (select_channels(sdi) != SR_OK) {
g_critical("Failed to set channels.");
sr_session_destroy();
return;
}
if (opt_triggers) {
if (!parse_triggerstring(sdi, opt_triggers)) {
sr_session_destroy();
return;
}
}
if (opt_continuous) {
if (!sr_dev_has_option(sdi, SR_CONF_CONTINUOUS)) {
g_critical("This device does not support continuous sampling.");
sr_session_destroy();
return;
}
}
if (opt_time) {
if (set_limit_time(sdi) != SR_OK) {
sr_session_destroy();
return;
}
}
if (opt_samples) {
if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)) {
g_critical("Invalid sample limit '%s'.", opt_samples);
sr_session_destroy();
return;
}
if (sr_config_list(sdi->driver, sdi, NULL,
SR_CONF_LIMIT_SAMPLES, &gvar) == SR_OK) {
/* The device has no compression, or compression is turned
* off, and publishes its sample memory size. */
g_variant_get(gvar, "(tt)", &min_samples, &max_samples);
g_variant_unref(gvar);
if (limit_samples < min_samples) {
g_critical("The device stores at least %"PRIu64
" samples with the current settings.", min_samples);
}
if (limit_samples > max_samples) {
g_critical("The device can store only %"PRIu64
" samples with the current settings.", max_samples);
}
}
gvar = g_variant_new_uint64(limit_samples);
if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
g_critical("Failed to configure sample limit.");
sr_session_destroy();
return;
}
}
if (opt_frames) {
if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)) {
g_critical("Invalid sample limit '%s'.", opt_samples);
sr_session_destroy();
return;
}
gvar = g_variant_new_uint64(limit_frames);
if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_FRAMES, gvar) != SR_OK) {
g_critical("Failed to configure frame limit.");
sr_session_destroy();
return;
}
}
if (sr_session_start() != SR_OK) {
g_critical("Failed to start session.");
sr_session_destroy();
return;
}
if (opt_continuous)
add_anykey();
sr_session_run();
if (opt_continuous)
clear_anykey();
sr_session_datafeed_callback_remove_all();
sr_session_destroy();
g_slist_free(devices);
}
/**
* Load the session from the specified filename.
*
* @param ctx The context in which to load the session.
* @param filename The name of the session file to load.
* @param session The session to load the file into.
*
* @retval SR_OK Success
* @retval SR_ERR_MALLOC Memory allocation error
* @retval SR_ERR_DATA Malformed session file
* @retval SR_ERR This is not a session file
*/
SR_API int sr_session_load(struct sr_context *ctx, const char *filename,
struct sr_session **session)
{
GKeyFile *kf;
GError *error;
struct zip *archive;
struct zip_stat zs;
struct sr_dev_inst *sdi;
struct sr_channel *ch;
int ret, i, j;
uint64_t tmp_u64;
int total_channels, total_analog, k;
GSList *l;
int unitsize;
char **sections, **keys, *val;
char channelname[SR_MAX_CHANNELNAME_LEN + 1];
gboolean file_has_logic;
if ((ret = sr_sessionfile_check(filename)) != SR_OK)
return ret;
if (!(archive = zip_open(filename, 0, NULL)))
return SR_ERR;
if (zip_stat(archive, "metadata", 0, &zs) < 0) {
zip_discard(archive);
return SR_ERR;
}
kf = sr_sessionfile_read_metadata(archive, &zs);
zip_discard(archive);
if (!kf)
return SR_ERR_DATA;
if ((ret = sr_session_new(ctx, session)) != SR_OK) {
g_key_file_free(kf);
return ret;
}
total_channels = 0;
error = NULL;
ret = SR_OK;
file_has_logic = FALSE;
sections = g_key_file_get_groups(kf, NULL);
for (i = 0; sections[i] && ret == SR_OK; i++) {
if (!strcmp(sections[i], "global"))
/* nothing really interesting in here yet */
continue;
if (!strncmp(sections[i], "device ", 7)) {
/* device section */
sdi = NULL;
keys = g_key_file_get_keys(kf, sections[i], NULL, NULL);
/* File contains analog data if there are analog channels. */
total_analog = g_key_file_get_integer(kf, sections[i],
"total analog", &error);
if (total_analog > 0 && !error)
sdi = sr_session_prepare_sdi(filename, session);
g_clear_error(&error);
/* File contains logic data if a capturefile is set. */
val = g_key_file_get_string(kf, sections[i],
"capturefile", &error);
if (val && !error) {
if (!sdi)
sdi = sr_session_prepare_sdi(filename, session);
sr_config_set(sdi, NULL, SR_CONF_CAPTUREFILE,
g_variant_new_string(val));
g_free(val);
file_has_logic = TRUE;
}
g_clear_error(&error);
for (j = 0; keys[j]; j++) {
if (!strcmp(keys[j], "samplerate")) {
val = g_key_file_get_string(kf, sections[i],
keys[j], &error);
if (!sdi || !val || sr_parse_sizestring(val,
&tmp_u64) != SR_OK) {
g_free(val);
ret = SR_ERR_DATA;
break;
}
g_free(val);
sr_config_set(sdi, NULL, SR_CONF_SAMPLERATE,
g_variant_new_uint64(tmp_u64));
} else if (!strcmp(keys[j], "unitsize") && file_has_logic) {
unitsize = g_key_file_get_integer(kf, sections[i],
keys[j], &error);
if (!sdi || unitsize <= 0 || error) {
ret = SR_ERR_DATA;
break;
}
sr_config_set(sdi, NULL, SR_CONF_CAPTURE_UNITSIZE,
g_variant_new_uint64(unitsize));
} else if (!strcmp(keys[j], "total probes")) {
total_channels = g_key_file_get_integer(kf,
sections[i], keys[j], &error);
if (!sdi || total_channels < 0 || error) {
ret = SR_ERR_DATA;
break;
}
sr_config_set(sdi, NULL, SR_CONF_NUM_LOGIC_CHANNELS,
g_variant_new_int32(total_channels));
for (k = 0; k < total_channels; k++) {
g_snprintf(channelname, sizeof(channelname),
"%d", k);
sr_channel_new(sdi, k, SR_CHANNEL_LOGIC,
FALSE, channelname);
}
} else if (!strcmp(keys[j], "total analog")) {
total_analog = g_key_file_get_integer(kf,
sections[i], keys[j], &error);
if (!sdi || total_analog < 0 || error) {
ret = SR_ERR_DATA;
break;
}
sr_config_set(sdi, NULL, SR_CONF_NUM_ANALOG_CHANNELS,
g_variant_new_int32(total_analog));
for (k = total_channels; k < (total_channels + total_analog); k++) {
g_snprintf(channelname, sizeof(channelname),
"%d", k);
sr_channel_new(sdi, k, SR_CHANNEL_ANALOG,
FALSE, channelname);
}
} else if (!strncmp(keys[j], "probe", 5)) {
tmp_u64 = g_ascii_strtoull(keys[j] + 5, NULL, 10);
if (!sdi || tmp_u64 == 0 || tmp_u64 > G_MAXINT) {
ret = SR_ERR_DATA;
break;
}
ch = g_slist_nth_data(sdi->channels, tmp_u64 - 1);
if (!ch) {
ret = SR_ERR_DATA;
break;
}
val = g_key_file_get_string(kf, sections[i],
keys[j], &error);
if (!val) {
ret = SR_ERR_DATA;
break;
}
/* sr_session_save() */
sr_dev_channel_name_set(ch, val);
g_free(val);
sr_dev_channel_enable(ch, TRUE);
} else if (!strncmp(keys[j], "analog", 6)) {
tmp_u64 = g_ascii_strtoull(keys[j]+6, NULL, 10);
if (!sdi || tmp_u64 == 0 || tmp_u64 > G_MAXINT) {
ret = SR_ERR_DATA;
break;
}
ch = NULL;
for (l = sdi->channels; l; l = l->next) {
ch = l->data;
if ((guint64)ch->index == tmp_u64 - 1)
break;
else
ch = NULL;
}
if (!ch) {
ret = SR_ERR_DATA;
break;
}
val = g_key_file_get_string(kf, sections[i],
keys[j], &error);
if (!val) {
ret = SR_ERR_DATA;
break;
}
/* sr_session_save() */
sr_dev_channel_name_set(ch, val);
g_free(val);
sr_dev_channel_enable(ch, TRUE);
}
}
g_strfreev(keys);
}
}
g_strfreev(sections);
g_key_file_free(kf);
if (error) {
sr_err("Failed to parse metadata: %s", error->message);
g_error_free(error);
}
return ret;
}
/**
* Load the session from the specified filename.
*
* @param ctx The context in which to load the session.
* @param filename The name of the session file to load.
* @param session The session to load the file into.
*
* @retval SR_OK Success
* @retval SR_ERR_MALLOC Memory allocation error
* @retval SR_ERR_DATA Malformed session file
* @retval SR_ERR This is not a session file
*/
SR_API int sr_session_load(struct sr_context *ctx, const char *filename,
struct sr_session **session)
{
GKeyFile *kf;
GError *error;
struct zip *archive;
struct zip_stat zs;
struct sr_dev_inst *sdi;
struct sr_channel *ch;
int ret, i, j;
uint64_t tmp_u64;
int total_channels, k;
int unitsize;
char **sections, **keys, *val;
char channelname[SR_MAX_CHANNELNAME_LEN + 1];
if ((ret = sr_sessionfile_check(filename)) != SR_OK)
return ret;
if (!(archive = zip_open(filename, 0, NULL)))
return SR_ERR;
if (zip_stat(archive, "metadata", 0, &zs) < 0) {
zip_discard(archive);
return SR_ERR;
}
kf = sr_sessionfile_read_metadata(archive, &zs);
zip_discard(archive);
if (!kf)
return SR_ERR_DATA;
if ((ret = sr_session_new(ctx, session)) != SR_OK) {
g_key_file_free(kf);
return ret;
}
error = NULL;
ret = SR_OK;
sections = g_key_file_get_groups(kf, NULL);
for (i = 0; sections[i] && ret == SR_OK; i++) {
if (!strcmp(sections[i], "global"))
/* nothing really interesting in here yet */
continue;
if (!strncmp(sections[i], "device ", 7)) {
/* device section */
sdi = NULL;
keys = g_key_file_get_keys(kf, sections[i], NULL, NULL);
for (j = 0; keys[j]; j++) {
if (!strcmp(keys[j], "capturefile")) {
val = g_key_file_get_string(kf, sections[i],
keys[j], &error);
if (!val) {
ret = SR_ERR_DATA;
break;
}
sdi = g_malloc0(sizeof(struct sr_dev_inst));
sdi->driver = &session_driver;
sdi->status = SR_ST_ACTIVE;
if (!session_driver_initialized) {
/* first device, init the driver */
session_driver_initialized = 1;
sdi->driver->init(sdi->driver, NULL);
}
sr_dev_open(sdi);
sr_session_dev_add(*session, sdi);
(*session)->owned_devs = g_slist_append(
(*session)->owned_devs, sdi);
sr_config_set(sdi, NULL, SR_CONF_SESSIONFILE,
g_variant_new_string(filename));
sr_config_set(sdi, NULL, SR_CONF_CAPTUREFILE,
g_variant_new_string(val));
g_free(val);
} else if (!strcmp(keys[j], "samplerate")) {
val = g_key_file_get_string(kf, sections[i],
keys[j], &error);
if (!sdi || !val || sr_parse_sizestring(val,
&tmp_u64) != SR_OK) {
g_free(val);
ret = SR_ERR_DATA;
break;
}
g_free(val);
sr_config_set(sdi, NULL, SR_CONF_SAMPLERATE,
g_variant_new_uint64(tmp_u64));
} else if (!strcmp(keys[j], "unitsize")) {
unitsize = g_key_file_get_integer(kf, sections[i],
keys[j], &error);
if (!sdi || unitsize <= 0 || error) {
ret = SR_ERR_DATA;
break;
}
sr_config_set(sdi, NULL, SR_CONF_CAPTURE_UNITSIZE,
g_variant_new_uint64(unitsize));
} else if (!strcmp(keys[j], "total probes")) {
total_channels = g_key_file_get_integer(kf,
sections[i], keys[j], &error);
if (!sdi || total_channels < 0 || error) {
ret = SR_ERR_DATA;
break;
}
sr_config_set(sdi, NULL, SR_CONF_NUM_LOGIC_CHANNELS,
g_variant_new_int32(total_channels));
for (k = 0; k < total_channels; k++) {
g_snprintf(channelname, sizeof channelname,
"%d", k);
sr_channel_new(sdi, k, SR_CHANNEL_LOGIC,
FALSE, channelname);
}
} else if (!strncmp(keys[j], "probe", 5)) {
tmp_u64 = g_ascii_strtoull(keys[j]+5, NULL, 10);
if (!sdi || tmp_u64 == 0 || tmp_u64 > G_MAXINT) {
ret = SR_ERR_DATA;
break;
}
ch = g_slist_nth_data(sdi->channels, tmp_u64 - 1);
if (!ch) {
ret = SR_ERR_DATA;
break;
}
val = g_key_file_get_string(kf, sections[i],
keys[j], &error);
if (!val) {
ret = SR_ERR_DATA;
break;
}
/* sr_session_save() */
sr_dev_channel_name_set(ch, val);
g_free(val);
sr_dev_channel_enable(ch, TRUE);
}
}
g_strfreev(keys);
}
}
g_strfreev(sections);
g_key_file_free(kf);
if (error) {
sr_err("Failed to parse metadata: %s", error->message);
g_error_free(error);
}
return ret;
}
