o = sr_output_new(omod, fmtopts, sdi, opt_output_file);
if (opt_output_file) {
- if (!sr_output_test_flag(omod, SR_OUTPUT_INTERNAL_IO_HANDLING))
+ if (!sr_output_test_flag(omod, SR_OUTPUT_INTERNAL_IO_HANDLING)) {
*outfile = g_fopen(opt_output_file, "wb");
- else
+ if (!*outfile) {
+ g_critical("Cannot write to output file '%s'.",
+ opt_output_file);
+ }
+ } else {
*outfile = NULL;
+ }
} else {
+ setup_binary_stdout();
*outfile = stdout;
}
GHashTable *fmtargs, *fmtopts;
char *fmtspec;
- if (!opt_transform_module)
- opt_transform_module = "nop";
-
fmtargs = parse_generic_arg(opt_transform_module, TRUE);
fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
if (!fmtspec)
return t;
}
+/* Get the input stream's list of channels and their types, once. */
+static void props_get_channels(struct df_arg_desc *args,
+ const struct sr_dev_inst *sdi)
+{
+ struct input_stream_props *props;
+ GSList *l;
+ const struct sr_channel *ch;
+
+ if (!args)
+ return;
+ props = &args->props;
+ if (props->channels)
+ return;
+
+ props->channels = g_slist_copy(sr_dev_inst_channels_get(sdi));
+ if (!props->channels)
+ return;
+ for (l = props->channels; l; l = l->next) {
+ ch = l->data;
+ if (!ch->enabled)
+ continue;
+ if (ch->type != SR_CHANNEL_ANALOG)
+ continue;
+ props->first_analog_channel = ch;
+ break;
+ }
+}
+
+static gboolean props_chk_1st_channel(struct df_arg_desc *args,
+ const struct sr_datafeed_analog *analog)
+{
+ struct sr_channel *ch;
+
+ if (!args || !analog || !analog->meaning)
+ return FALSE;
+ ch = g_slist_nth_data(analog->meaning->channels, 0);
+ if (!ch)
+ return FALSE;
+ return ch == args->props.first_analog_channel;
+}
+
+static void props_dump_details(struct df_arg_desc *args)
+{
+ struct input_stream_props *props;
+ size_t ch_count;
+ GSList *l;
+ const struct sr_channel *ch;
+ const char *type;
+
+ if (!args)
+ return;
+ props = &args->props;
+ if (props->samplerate)
+ printf("Samplerate: %" PRIu64 "\n", props->samplerate);
+ if (props->channels) {
+ ch_count = g_slist_length(props->channels);
+ printf("Channels: %zu\n", ch_count);
+ for (l = props->channels; l; l = l->next) {
+ ch = l->data;
+ if (ch->type == SR_CHANNEL_ANALOG)
+ type = "analog";
+ else
+ type = "logic";
+ printf("- %s: %s\n", ch->name, type);
+ }
+ }
+ if (props->unitsize)
+ printf("Logic unitsize: %zu\n", props->unitsize);
+ if (props->sample_count_logic)
+ printf("Logic sample count: %" PRIu64 "\n", props->sample_count_logic);
+ if (props->sample_count_analog)
+ printf("Analog sample count: %" PRIu64 "\n", props->sample_count_analog);
+ if (props->frame_count)
+ printf("Frame count: %" PRIu64 "\n", props->frame_count);
+ if (props->triggered)
+ printf("Trigger count: %" PRIu64 "\n", props->triggered);
+}
+
+static void props_cleanup(struct df_arg_desc *args)
+{
+ struct input_stream_props *props;
+
+ if (!args)
+ return;
+ props = &args->props;
+ g_slist_free(props->channels);
+ props->channels = NULL;
+ props->first_analog_channel = NULL;
+}
+
void datafeed_in(const struct sr_dev_inst *sdi,
const struct sr_datafeed_packet *packet, void *cb_data)
{
- const struct sr_datafeed_meta *meta;
- const struct sr_datafeed_logic *logic;
- const struct sr_datafeed_analog *analog;
- struct sr_session *session;
- struct sr_config *src;
static const struct sr_output *o = NULL;
static const struct sr_output *oa = NULL;
static uint64_t rcvd_samples_logic = 0;
static uint64_t samplerate = 0;
static int triggered = 0;
static FILE *outfile = NULL;
+
+ const struct sr_datafeed_meta *meta;
+ const struct sr_datafeed_logic *logic;
+ const struct sr_datafeed_analog *analog;
+ struct df_arg_desc *df_arg;
+ int do_props;
+ struct input_stream_props *props;
+ struct sr_session *session;
+ struct sr_config *src;
GSList *l;
GString *out;
GVariant *gvar;
driver = sr_dev_inst_driver_get(sdi);
- /* If the first packet to come in isn't a header, don't even try. */
+ /* Skip all packets before the first header. */
if (packet->type != SR_DF_HEADER && !o)
return;
- session = cb_data;
+ /* Prepare to either process data, or "just" gather properties. */
+ df_arg = cb_data;
+ session = df_arg->session;
+ do_props = df_arg->do_props;
+ props = &df_arg->props;
+
switch (packet->type) {
case SR_DF_HEADER:
g_debug("cli: Received SR_DF_HEADER.");
+ if (maybe_config_get(driver, sdi, NULL, SR_CONF_SAMPLERATE,
+ &gvar) == SR_OK) {
+ samplerate = g_variant_get_uint64(gvar);
+ g_variant_unref(gvar);
+ }
+ if (do_props) {
+ /* Setup variables for maximum code path re-use. */
+ o = (void *)-1;
+ limit_samples = 0;
+ /* Start collecting input stream properties. */
+ memset(props, 0, sizeof(*props));
+ props->samplerate = samplerate;
+ props_get_channels(df_arg, sdi);
+ break;
+ }
if (!(o = setup_output_format(sdi, &outfile)))
g_critical("Failed to initialize output module.");
/* Set up backup analog output module. */
- oa = sr_output_new(sr_output_find("analog"), NULL, sdi, NULL);
+ if (outfile)
+ oa = sr_output_new(sr_output_find("analog"), NULL,
+ sdi, NULL);
rcvd_samples_logic = rcvd_samples_analog = 0;
- if (maybe_config_get(driver, sdi, NULL, SR_CONF_SAMPLERATE,
- &gvar) == SR_OK) {
- samplerate = g_variant_get_uint64(gvar);
- g_variant_unref(gvar);
- }
-
#ifdef HAVE_SRD
if (opt_pds) {
if (samplerate) {
g_critical("Failed to configure decode session.");
break;
}
+ pd_samplerate = samplerate;
}
if (srd_session_start(srd_sess) != SRD_OK) {
g_critical("Failed to start decode session.");
case SR_CONF_SAMPLERATE:
samplerate = g_variant_get_uint64(src->data);
g_debug("cli: Got samplerate %"PRIu64" Hz.", samplerate);
+ if (do_props) {
+ props->samplerate = samplerate;
+ break;
+ }
#ifdef HAVE_SRD
if (opt_pds) {
if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE,
g_variant_new_uint64(samplerate)) != SRD_OK) {
g_critical("Failed to pass samplerate to decoder.");
}
+ pd_samplerate = samplerate;
}
#endif
break;
case SR_CONF_SAMPLE_INTERVAL:
samplerate = g_variant_get_uint64(src->data);
g_debug("cli: Got sample interval %"PRIu64" ms.", samplerate);
+ if (do_props) {
+ props->samplerate = samplerate;
+ break;
+ }
break;
default:
/* Unknown metadata is not an error. */
case SR_DF_TRIGGER:
g_debug("cli: Received SR_DF_TRIGGER.");
+ if (do_props) {
+ props->triggered++;
+ break;
+ }
triggered = 1;
break;
if (logic->length == 0)
break;
+ if (do_props) {
+ props_get_channels(df_arg, sdi);
+ props->unitsize = logic->unitsize;
+ props->sample_count_logic += logic->length / logic->unitsize;
+ break;
+ }
+
/* Don't store any samples until triggered. */
if (opt_wait_trigger && !triggered)
break;
if (analog->num_samples == 0)
break;
+ if (do_props) {
+ /* Only count the first analog channel. */
+ props_get_channels(df_arg, sdi);
+ if (!props_chk_1st_channel(df_arg, analog))
+ break;
+ props->sample_count_analog += analog->num_samples;
+ break;
+ }
+
if (limit_samples && rcvd_samples_analog >= limit_samples)
break;
case SR_DF_FRAME_END:
g_debug("cli: Received SR_DF_FRAME_END.");
+ if (do_props) {
+ props->frame_count++;
+ break;
+ }
break;
default:
break;
}
- if (o && !opt_pds) {
+ if (!do_props && o && !opt_pds) {
if (sr_output_send(o, packet, &out) == SR_OK) {
- if (!out || (out->len == 0
- && !opt_output_format
- && packet->type == SR_DF_ANALOG)) {
+ if (oa && !out) {
/*
* The user didn't specify an output module,
* but needs to see this analog data.
if (packet->type == SR_DF_END) {
g_debug("cli: Received SR_DF_END.");
+ if (do_props) {
+ props_dump_details(df_arg);
+ props_cleanup(df_arg);
+ o = NULL;
+ }
+
if (o)
sr_output_free(o);
o = NULL;
- sr_output_free(oa);
+ if (oa)
+ sr_output_free(oa);
oa = NULL;
if (outfile && outfile != stdout)
void run_session(void)
{
+ struct df_arg_desc df_arg;
GSList *devices, *real_devices, *sd;
GHashTable *devargs;
GVariant *gvar;
struct sr_trigger *trigger;
struct sr_dev_inst *sdi;
uint64_t min_samples, max_samples;
- GArray *dev_opts;
+ GArray *drv_opts;
guint i;
int is_demo_dev;
struct sr_dev_driver *driver;
const struct sr_transform *t;
GMainLoop *main_loop;
+ memset(&df_arg, 0, sizeof(df_arg));
+ df_arg.do_props = FALSE;
+
devices = device_scan();
if (!devices) {
g_critical("No devices found.");
driver = sr_dev_inst_driver_get(sdi);
- if (!(dev_opts = sr_dev_options(driver, sdi, NULL))) {
- g_critical("Failed to query list device options.");
+ if (!(drv_opts = sr_dev_options(driver, NULL, NULL))) {
+ g_critical("Failed to query list of driver options.");
return;
}
is_demo_dev = 0;
- for (i = 0; i < dev_opts->len; i++) {
- if (g_array_index(dev_opts, uint32_t, i) == SR_CONF_DEMO_DEV)
+ for (i = 0; i < drv_opts->len; i++) {
+ if (g_array_index(drv_opts, uint32_t, i) == SR_CONF_DEMO_DEV)
is_demo_dev = 1;
}
- g_array_free(dev_opts, TRUE);
+ g_array_free(drv_opts, TRUE);
if (!is_demo_dev)
real_devices = g_slist_append(real_devices, sdi);
}
}
+ /* This is unlikely to happen but it makes static analyzers stop complaining. */
+ if (!devices) {
+ g_critical("No real devices found.");
+ return;
+ }
+
sdi = devices->data;
g_slist_free(devices);
g_slist_free(real_devices);
sr_session_new(sr_ctx, &session);
- sr_session_datafeed_callback_add(session, datafeed_in, NULL);
+ df_arg.session = session;
+ sr_session_datafeed_callback_add(session, datafeed_in, &df_arg);
+ df_arg.session = NULL;
if (sr_dev_open(sdi) != SR_OK) {
g_critical("Failed to open device.");
if (opt_frames) {
if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)) {
- g_critical("Invalid sample limit '%s'.", opt_samples);
+ g_critical("Invalid frame limit '%s'.", opt_frames);
sr_session_destroy(session);
return;
}
}
}
- if (!(t = setup_transform_module(sdi)))
- g_critical("Failed to initialize transform module.");
+ if (opt_transform_module) {
+ if (!(t = setup_transform_module(sdi)))
+ g_critical("Failed to initialize transform module.");
+ }
main_loop = g_main_loop_new(NULL, FALSE);