X-Git-Url: https://sigrok.org/gitweb/?p=sigrok-cli.git;a=blobdiff_plain;f=sigrok-cli.c;h=359c34b8fd54877dd43f6583cf867b2effb63e7a;hp=0b5a01fbcb6464b013f9bcde9574d54aee01b49d;hb=445950d388f4b4f2a14fdfb60fd99f17b03a7ec0;hpb=905766867972aa1177cf6a23f42d0ceda096bbc8

diff --git a/sigrok-cli.c b/sigrok-cli.c
index 0b5a01f..359c34b 100644
--- a/sigrok-cli.c
+++ b/sigrok-cli.c
@@ -38,7 +38,6 @@
 
 extern struct sr_hwcap_option sr_hwcap_options[];
 
-static gboolean debug = 0;
 static uint64_t limit_samples = 0;
 static struct sr_output_format *output_format = NULL;
 static int default_output_format = FALSE;
@@ -48,56 +47,77 @@ static GData *pd_ann_visible = NULL;
 
 static gboolean opt_version = FALSE;
 static gint opt_loglevel = SR_LOG_WARN; /* Show errors+warnings per default. */
-static gboolean opt_list_devices = FALSE;
+static gboolean opt_list_devs = FALSE;
 static gboolean opt_wait_trigger = FALSE;
 static gchar *opt_input_file = NULL;
 static gchar *opt_output_file = NULL;
-static gchar *opt_device = NULL;
+static gchar *opt_dev = NULL;
 static gchar *opt_probes = NULL;
 static gchar *opt_triggers = NULL;
 static gchar *opt_pds = NULL;
 static gchar *opt_pd_stack = NULL;
 static gchar *opt_input_format = NULL;
-static gchar *opt_format = NULL;
+static gchar *opt_output_format = NULL;
 static gchar *opt_time = NULL;
 static gchar *opt_samples = NULL;
 static gchar *opt_continuous = NULL;
 
 static GOptionEntry optargs[] = {
-	{"version", 'V', 0, G_OPTION_ARG_NONE, &opt_version, "Show version and support list", NULL},
-	{"loglevel", 'l', 0, G_OPTION_ARG_INT, &opt_loglevel, "Select libsigrok loglevel", NULL},
-	{"list-devices", 'D', 0, G_OPTION_ARG_NONE, &opt_list_devices, "List devices", NULL},
-	{"input-file", 'i', 0, G_OPTION_ARG_FILENAME, &opt_input_file, "Load input from file", NULL},
-	{"output-file", 'o', 0, G_OPTION_ARG_FILENAME, &opt_output_file, "Save output to file", NULL},
-	{"device", 'd', 0, G_OPTION_ARG_STRING, &opt_device, "Use device ID", NULL},
-	{"probes", 'p', 0, G_OPTION_ARG_STRING, &opt_probes, "Probes to use", NULL},
-	{"triggers", 't', 0, G_OPTION_ARG_STRING, &opt_triggers, "Trigger configuration", NULL},
-	{"wait-trigger", 'w', 0, G_OPTION_ARG_NONE, &opt_wait_trigger, "Wait for trigger", NULL},
-	{"protocol-decoders", 'a', 0, G_OPTION_ARG_STRING, &opt_pds, "Protocol decoder sequence", NULL},
-	{"protocol-decoder-stack", 's', 0, G_OPTION_ARG_STRING, &opt_pd_stack, "Protocol decoder stack", NULL},
-	{"input-format", 'I', 0, G_OPTION_ARG_STRING, &opt_input_format, "Input format", NULL},
-	{"format", 'f', 0, G_OPTION_ARG_STRING, &opt_format, "Output format", NULL},
-	{"time", 0, 0, G_OPTION_ARG_STRING, &opt_time, "How long to sample (ms)", NULL},
-	{"samples", 0, 0, G_OPTION_ARG_STRING, &opt_samples, "Number of samples to acquire", NULL},
-	{"continuous", 0, 0, G_OPTION_ARG_NONE, &opt_continuous, "Sample continuously", NULL},
+	{"version", 'V', 0, G_OPTION_ARG_NONE, &opt_version,
+			"Show version and support list", NULL},
+	{"loglevel", 'l', 0, G_OPTION_ARG_INT, &opt_loglevel,
+			"Select libsigrok/libsigrokdecode loglevel", NULL},
+	{"list-devices", 'D', 0, G_OPTION_ARG_NONE, &opt_list_devs,
+			"Scan for devices", NULL},
+	{"device", 'd', 0, G_OPTION_ARG_STRING, &opt_dev,
+			"Use specified device", NULL},
+	{"input-file", 'i', 0, G_OPTION_ARG_FILENAME, &opt_input_file,
+			"Load input from file", NULL},
+	{"input-format", 'I', 0, G_OPTION_ARG_STRING, &opt_input_format,
+			"Input format", NULL},
+	{"output-file", 'o', 0, G_OPTION_ARG_FILENAME, &opt_output_file,
+			"Save output to file", NULL},
+	{"output-format", 'O', 0, G_OPTION_ARG_STRING, &opt_output_format,
+			"Output format", NULL},
+	{"probes", 'p', 0, G_OPTION_ARG_STRING, &opt_probes,
+			"Probes to use", NULL},
+	{"triggers", 't', 0, G_OPTION_ARG_STRING, &opt_triggers,
+			"Trigger configuration", NULL},
+	{"wait-trigger", 'w', 0, G_OPTION_ARG_NONE, &opt_wait_trigger,
+			"Wait for trigger", NULL},
+	{"protocol-decoders", 'a', 0, G_OPTION_ARG_STRING, &opt_pds,
+			"Protocol decoders to run", NULL},
+	{"protocol-decoder-stack", 's', 0, G_OPTION_ARG_STRING, &opt_pd_stack,
+			"Protocol decoder stack", NULL},
+	{"time", 0, 0, G_OPTION_ARG_STRING, &opt_time,
+			"How long to sample (ms)", NULL},
+	{"samples", 0, 0, G_OPTION_ARG_STRING, &opt_samples,
+			"Number of samples to acquire", NULL},
+	{"continuous", 0, 0, G_OPTION_ARG_NONE, &opt_continuous,
+			"Sample continuously", NULL},
 	{NULL, 0, 0, 0, NULL, NULL, NULL}
 };
 
 static void show_version(void)
 {
-	GSList *plugins, *p, *l;
-	struct sr_device_plugin *plugin;
+	GSList *l;
+	struct sr_dev_driver **drivers;
 	struct sr_input_format **inputs;
 	struct sr_output_format **outputs;
 	struct srd_decoder *dec;
 	int i;
 
 	printf("sigrok-cli %s\n\n", VERSION);
+
+	printf("Using libsigrok %s (lib version %s).\n",
+	       sr_package_version_string_get(), sr_lib_version_string_get());
+	printf("Using libsigrokdecode %s (lib version %s).\n\n",
+	       srd_package_version_string_get(), srd_lib_version_string_get());
+
 	printf("Supported hardware drivers:\n");
-	plugins = sr_list_hwplugins();
-	for (p = plugins; p; p = p->next) {
-		plugin = p->data;
-		printf("  %-20s %s\n", plugin->name, plugin->longname);
+	drivers = sr_driver_list();
+	for (i = 0; drivers[i]; i++) {
+		printf("  %-20s %s\n", drivers[i]->name, drivers[i]->longname);
 	}
 	printf("\n");
 
@@ -113,24 +133,26 @@ static void show_version(void)
 		printf("  %-20s %s\n", outputs[i]->id, outputs[i]->description);
 	printf("\n");
 
-	/* TODO: Error handling. */
-	srd_init();
-
-	printf("Supported protocol decoders:\n");
-	for (l = srd_list_decoders(); l; l = l->next) {
-		dec = l->data;
-		printf("  %-20s %s\n", dec->id, dec->longname);
+	if (srd_init(NULL) == SRD_OK) {
+		printf("Supported protocol decoders:\n");
+		srd_decoder_load_all();
+		for (l = srd_decoder_list(); l; l = l->next) {
+			dec = l->data;
+			printf("  %-20s %s\n", dec->id, dec->longname);
+			/* Print protocol description upon "-l 3" or higher. */
+			if (opt_loglevel >= SR_LOG_INFO)
+				printf("  %-20s %s\n", "", dec->desc);
+		}
+		srd_exit();
 	}
 	printf("\n");
-
-	srd_exit();
 }
 
-static void print_device_line(struct sr_device *device)
+static void print_dev_line(const struct sr_dev *dev)
 {
-	struct sr_device_instance *sdi;
+	const struct sr_dev_inst *sdi;
 
-	sdi = device->plugin->get_device_info(device->plugin_index, SR_DI_INSTANCE);
+	sr_dev_info_get(dev, SR_DI_INST, (const void **)&sdi);
 
 	if (sdi->vendor && sdi->vendor[0])
 		printf("%s ", sdi->vendor);
@@ -138,58 +160,59 @@ static void print_device_line(struct sr_device *device)
 		printf("%s ", sdi->model);
 	if (sdi->version && sdi->version[0])
 		printf("%s ", sdi->version);
-	if (device->probes)
-		printf("with %d probes", g_slist_length(device->probes));
+	if (dev->probes)
+		printf("with %d probes", g_slist_length(dev->probes));
 	printf("\n");
 }
 
-static void show_device_list(void)
+static void show_dev_list(void)
 {
-	struct sr_device *device, *demo_device;
-	GSList *devices, *l;
+	struct sr_dev *dev, *demo_dev;
+	GSList *devs, *l;
 	int devcnt;
 
 	devcnt = 0;
-	devices = sr_device_list();
+	devs = sr_dev_list();
 
-	if (g_slist_length(devices) == 0)
+	if (g_slist_length(devs) == 0)
 		return;
 
 	printf("The following devices were found:\nID    Device\n");
-	demo_device = NULL;
-	for (l = devices; l; l = l->next) {
-		device = l->data;
-		if (sr_device_has_hwcap(device, SR_HWCAP_DEMO_DEVICE)) {
-			demo_device = device;
+	demo_dev = NULL;
+	for (l = devs; l; l = l->next) {
+		dev = l->data;
+		if (sr_dev_has_hwcap(dev, SR_HWCAP_DEMO_DEV)) {
+			demo_dev = dev;
 			continue;
 		}
 		printf("%-3d   ", devcnt++);
-		print_device_line(device);
+		print_dev_line(dev);
 	}
-	if (demo_device) {
+	if (demo_dev) {
 		printf("demo  ");
-		print_device_line(demo_device);
+		print_dev_line(demo_dev);
 	}
 }
 
-static void show_device_detail(void)
+static void show_dev_detail(void)
 {
-	struct sr_device *device;
+	struct sr_dev *dev;
 	struct sr_hwcap_option *hwo;
-	struct sr_samplerates *samplerates;
-	int cap, *capabilities, i;
-	char *s, *title, *charopts, **stropts;
+	const struct sr_samplerates *samplerates;
+	int cap, *hwcaps, i;
+	char *s, *title;
+	const char *charopts, **stropts;
 
-	device = parse_devicestring(opt_device);
-	if (!device) {
+	dev = parse_devstring(opt_dev);
+	if (!dev) {
 		printf("No such device. Use -D to list all devices.\n");
 		return;
 	}
 
-	print_device_line(device);
+	print_dev_line(dev);
 
-	if ((charopts = (char *)device->plugin->get_device_info(
-			device->plugin_index, SR_DI_TRIGGER_TYPES))) {
+	if (sr_dev_info_get(dev, SR_DI_TRIGGER_TYPES,
+					(const void **)&charopts) == SR_OK) {
 		printf("Supported triggers: ");
 		while (*charopts) {
 			printf("%c ", *charopts);
@@ -199,9 +222,9 @@ static void show_device_detail(void)
 	}
 
 	title = "Supported options:\n";
-	capabilities = device->plugin->get_capabilities();
-	for (cap = 0; capabilities[cap]; cap++) {
-		if (!(hwo = sr_find_hwcap_option(capabilities[cap])))
+	hwcaps = dev->driver->hwcap_get_all();
+	for (cap = 0; hwcaps[cap]; cap++) {
+		if (!(hwo = sr_hw_hwcap_get(hwcaps[cap])))
 			continue;
 
 		if (title) {
@@ -209,23 +232,21 @@ static void show_device_detail(void)
 			title = NULL;
 		}
 
-		if (hwo->capability == SR_HWCAP_PATTERN_MODE) {
+		if (hwo->hwcap == SR_HWCAP_PATTERN_MODE) {
 			printf("    %s", hwo->shortname);
-			stropts = (char **)device->plugin->get_device_info(
-					device->plugin_index, SR_DI_PATTERNMODES);
-			if (!stropts) {
+			if (sr_dev_info_get(dev, SR_DI_PATTERNS,
+					(const void **)&stropts) == SR_OK) {
+				printf(" - supported patterns:\n");
+				for (i = 0; stropts[i]; i++)
+					printf("      %s\n", stropts[i]);
+			} else {
 				printf("\n");
-				continue;
 			}
-			printf(" - supported modes:\n");
-			for (i = 0; stropts[i]; i++)
-				printf("      %s\n", stropts[i]);
-		} else if (hwo->capability == SR_HWCAP_SAMPLERATE) {
+		} else if (hwo->hwcap == SR_HWCAP_SAMPLERATE) {
 			printf("    %s", hwo->shortname);
 			/* Supported samplerates */
-			samplerates = device->plugin->get_device_info(
-				device->plugin_index, SR_DI_SAMPLERATES);
-			if (!samplerates) {
+			if (sr_dev_info_get(dev, SR_DI_SAMPLERATES,
+					(const void **)&samplerates) != SR_OK) {
 				printf("\n");
 				continue;
 			}
@@ -235,21 +256,21 @@ static void show_device_detail(void)
 				if (!(s = sr_samplerate_string(samplerates->low)))
 					continue;
 				printf(" (%s", s);
-				free(s);
+				g_free(s);
 				/* high */
 				if (!(s = sr_samplerate_string(samplerates->high)))
 					continue;
 				printf(" - %s", s);
-				free(s);
+				g_free(s);
 				/* step */
 				if (!(s = sr_samplerate_string(samplerates->step)))
 					continue;
 				printf(" in steps of %s)\n", s);
-				free(s);
+				g_free(s);
 			} else {
 				printf(" - supported samplerates:\n");
 				for (i = 0; samplerates->list[i]; i++) {
-					printf("      %7s\n", sr_samplerate_string(samplerates->list[i]));
+					printf("      %s\n", sr_samplerate_string(samplerates->list[i]));
 				}
 			}
 		} else {
@@ -263,37 +284,61 @@ static void show_pd_detail(void)
 	GSList *l;
 	struct srd_decoder *dec;
 	char **pdtokens, **pdtok, **ann, *doc;
+	struct srd_probe *p;
 
 	pdtokens = g_strsplit(opt_pds, ",", -1);
 	for (pdtok = pdtokens; *pdtok; pdtok++) {
-		if (!(dec = srd_get_decoder_by_id(*pdtok))) {
-			printf("Protocol decoder %s not found.", *pdtok);
+		if (!(dec = srd_decoder_get_by_id(*pdtok))) {
+			printf("Protocol decoder %s not found.\n", *pdtok);
 			return;
 		}
 		printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
 				dec->id, dec->name, dec->longname, dec->desc);
 		printf("License: %s\n", dec->license);
+		printf("Annotations:\n");
 		if (dec->annotations) {
-			printf("Annotations:\n");
 			for (l = dec->annotations; l; l = l->next) {
 				ann = l->data;
 				printf("- %s\n  %s\n", ann[0], ann[1]);
 			}
+		} else {
+			printf("None.\n");
+		}
+		/* TODO: Print supported decoder options. */
+		printf("Required probes:\n");
+		if (dec->probes) {
+			for (l = dec->probes; l; l = l->next) {
+				p = l->data;
+				printf("- %s (%s): %s\n",
+				       p->name, p->id, p->desc);
+			}
+		} else {
+			printf("None.\n");
 		}
-		if ((doc = srd_decoder_doc(dec))) {
-			printf("Documentation:\n%s\n", doc[0] == '\n' ? doc+1 : doc);
+		printf("Optional probes:\n");
+		if (dec->opt_probes) {
+			for (l = dec->opt_probes; l; l = l->next) {
+				p = l->data;
+				printf("- %s (%s): %s\n",
+				       p->name, p->id, p->desc);
+			}
+		} else {
+			printf("None.\n");
+		}
+		if ((doc = srd_decoder_doc_get(dec))) {
+			printf("Documentation:\n%s\n",
+			       doc[0] == '\n' ? doc + 1 : doc);
 			g_free(doc);
 		}
 	}
 
 	g_strfreev(pdtokens);
-
 }
 
-static void datafeed_in(struct sr_device *device, struct sr_datafeed_packet *packet)
+static void datafeed_in(struct sr_dev *dev, struct sr_datafeed_packet *packet)
 {
 	static struct sr_output *o = NULL;
-	static int probelist[SR_MAX_NUM_PROBES] = { 0 };
+	static int probelist[SR_MAX_NUM_PROBES + 1] = { 0 };
 	static uint64_t received_samples = 0;
 	static int unitsize = 0;
 	static int triggered = 0;
@@ -303,7 +348,7 @@ static void datafeed_in(struct sr_device *device, struct sr_datafeed_packet *pac
 	struct sr_datafeed_logic *logic;
 	int num_enabled_probes, sample_size, ret, i;
 	uint64_t output_len, filter_out_len;
-	char *output_buf, *filter_out;
+	uint8_t *output_buf, *filter_out;
 
 	/* If the first packet to come in isn't a header, don't even try. */
 	if (packet->type != SR_DF_HEADER && o == NULL)
@@ -312,18 +357,18 @@ static void datafeed_in(struct sr_device *device, struct sr_datafeed_packet *pac
 	sample_size = -1;
 	switch (packet->type) {
 	case SR_DF_HEADER:
-		g_message("cli: Received SR_DF_HEADER");
+		g_debug("cli: Received SR_DF_HEADER");
 		/* Initialize the output module. */
-		if (!(o = malloc(sizeof(struct sr_output)))) {
-			printf("Output module malloc failed.\n");
+		if (!(o = g_try_malloc(sizeof(struct sr_output)))) {
+			g_critical("Output module malloc failed.");
 			exit(1);
 		}
 		o->format = output_format;
-		o->device = device;
+		o->dev = dev;
 		o->param = output_format_param;
 		if (o->format->init) {
 			if (o->format->init(o) != SR_OK) {
-				printf("Output format initialization failed.\n");
+				g_critical("Output format initialization failed.");
 				exit(1);
 			}
 		}
@@ -331,7 +376,7 @@ static void datafeed_in(struct sr_device *device, struct sr_datafeed_packet *pac
 		header = packet->payload;
 		num_enabled_probes = 0;
 		for (i = 0; i < header->num_logic_probes; i++) {
-			probe = g_slist_nth_data(device->probes, i);
+			probe = g_slist_nth_data(dev->probes, i);
 			if (probe->enabled)
 				probelist[num_enabled_probes++] = probe->index;
 		}
@@ -345,25 +390,27 @@ static void datafeed_in(struct sr_device *device, struct sr_datafeed_packet *pac
 				 * dump everything in the datastore as it comes in,
 				 * and save from there after the session. */
 				outfile = NULL;
-				ret = sr_datastore_new(unitsize, &(device->datastore));
+				ret = sr_datastore_new(unitsize, &(dev->datastore));
 				if (ret != SR_OK) {
-					printf("Failed to create datastore.\n");
+					g_critical("Failed to create datastore.");
 					exit(1);
 				}
 			} else {
 				/* saving to a file in whatever format was set
-				 * with --format, so all we need is a filehandle */
+				 * with -O, so all we need is a filehandle */
 				outfile = g_fopen(opt_output_file, "wb");
 			}
 		}
-		if (opt_pds)
-			srd_session_start(num_enabled_probes, unitsize,
-					header->samplerate);
+		if (opt_pds) {
+			if (srd_session_start(num_enabled_probes, unitsize,
+					header->samplerate) != SRD_OK)
+				sr_session_halt();
+		}
 		break;
 	case SR_DF_END:
-		g_message("cli: Received SR_DF_END");
+		g_debug("cli: Received SR_DF_END");
 		if (!o) {
-			g_message("cli: double end!");
+			g_debug("cli: double end!");
 			break;
 		}
 		if (o->format->event) {
@@ -371,25 +418,24 @@ static void datafeed_in(struct sr_device *device, struct sr_datafeed_packet *pac
 			if (output_len) {
 				if (outfile)
 					fwrite(output_buf, 1, output_len, outfile);
-				free(output_buf);
+				g_free(output_buf);
 				output_len = 0;
 			}
 		}
 		if (limit_samples && received_samples < limit_samples)
-			printf("Device only sent %" PRIu64 " samples.\n",
+			g_warning("Device only sent %" PRIu64 " samples.",
 			       received_samples);
 		if (opt_continuous)
-			printf("Device stopped after %" PRIu64 " samples.\n",
+			g_warning("Device stopped after %" PRIu64 " samples.",
 			       received_samples);
 		sr_session_halt();
 		if (outfile && outfile != stdout)
 			fclose(outfile);
-		free(o);
+		g_free(o);
 		o = NULL;
 		break;
 	case SR_DF_TRIGGER:
-		g_message("cli: received SR_DF_TRIGGER at %"PRIu64" ms",
-				packet->timeoffset / 1000000);
+		g_debug("cli: received SR_DF_TRIGGER");
 		if (o->format->event)
 			o->format->event(o, SR_DF_TRIGGER, &output_buf,
 					 &output_len);
@@ -398,11 +444,7 @@ static void datafeed_in(struct sr_device *device, struct sr_datafeed_packet *pac
 	case SR_DF_LOGIC:
 		logic = packet->payload;
 		sample_size = logic->unitsize;
-		g_message("cli: received SR_DF_LOGIC at %f ms duration %f ms, %"PRIu64" bytes",
-				packet->timeoffset / 1000000.0, packet->duration / 1000000.0,
-				logic->length);
-		break;
-	case SR_DF_ANALOG:
+		g_message("cli: received SR_DF_LOGIC, %"PRIu64" bytes", logic->length);
 		break;
 	}
 
@@ -434,8 +476,8 @@ static void datafeed_in(struct sr_device *device, struct sr_datafeed_packet *pac
 			limit_samples * sample_size))
 		filter_out_len = limit_samples * sample_size - received_samples;
 
-	if (device->datastore)
-		sr_datastore_put(device->datastore, filter_out,
+	if (dev->datastore)
+		sr_datastore_put(dev->datastore, filter_out,
 				 filter_out_len, sample_size, probelist);
 
 	if (opt_output_file && default_output_format)
@@ -444,7 +486,7 @@ static void datafeed_in(struct sr_device *device, struct sr_datafeed_packet *pac
 		goto cleanup;
 
 	if (opt_pds) {
-		if (srd_session_feed(received_samples, (uint8_t*)filter_out,
+		if (srd_session_send(received_samples, (uint8_t*)filter_out,
 				filter_out_len) != SRD_OK)
 			sr_session_halt();
 	} else {
@@ -453,14 +495,13 @@ static void datafeed_in(struct sr_device *device, struct sr_datafeed_packet *pac
 			o->format->data(o, filter_out, filter_out_len, &output_buf, &output_len);
 		if (output_len) {
 			fwrite(output_buf, 1, output_len, outfile);
-			free(output_buf);
+			g_free(output_buf);
 		}
 	}
 
 cleanup:
 	g_free(filter_out);
 	received_samples += logic->length / sample_size;
-
 }
 
 /* Register the given PDs for this session.
@@ -468,78 +509,92 @@ cleanup:
  * That will instantiate two SPI decoders on the clock but different data
  * lines.
  */
-static int register_pds(struct sr_device *device, const char *pdstring)
+static int register_pds(struct sr_dev *dev, const char *pdstring)
 {
-	GHashTable *pd;
-	struct srd_decoder_instance *di;
+	GHashTable *pd_opthash;
+	struct srd_decoder_inst *di;
+	int ret;
 	char **pdtokens, **pdtok, *pd_name;
 
 	/* Avoid compiler warnings. */
-	(void)device;
+	(void)dev;
 
 	g_datalist_init(&pd_ann_visible);
 	pdtokens = g_strsplit(pdstring, ",", -1);
-	pd = NULL;
+	pd_opthash = NULL;
+	ret = 0;
 	pd_name = NULL;
 
 	for (pdtok = pdtokens; *pdtok; pdtok++) {
-		if (!(pd = parse_generic_arg(*pdtok))) {
-			fprintf(stderr, "Invalid protocol decoder option '%s'.\n", *pdtok);
+		if (!(pd_opthash = parse_generic_arg(*pdtok))) {
+			g_critical("Invalid protocol decoder option '%s'.", *pdtok);
 			goto err_out;
 		}
 
-		pd_name = g_strdup(g_hash_table_lookup(pd, "sigrok_key"));
-		g_hash_table_remove(pd, "sigrok_key");
-		if (!(di = srd_instance_new(pd_name, pd))) {
-			fprintf(stderr, "Failed to instantiate PD %s\n", pd_name);
+		pd_name = g_strdup(g_hash_table_lookup(pd_opthash, "sigrok_key"));
+		g_hash_table_remove(pd_opthash, "sigrok_key");
+		if (srd_decoder_load(pd_name) != SRD_OK) {
+			g_critical("Failed to load protocol decoder %s.", pd_name);
+			ret = 1;
+			goto err_out;
+		}
+		if (!(di = srd_inst_new(pd_name, pd_opthash))) {
+			g_critical("Failed to instantiate protocol decoder %s.", pd_name);
+			ret = 1;
 			goto err_out;
 		}
-		g_datalist_set_data(&pd_ann_visible, di->instance_id, pd_name);
+		g_datalist_set_data(&pd_ann_visible, di->inst_id, pd_name);
+
+		/* Any keys left in the options hash are probes, where the key
+		 * is the probe name as specified in the decoder class, and the
+		 * value is the probe number i.e. the order in which the PD's
+		 * incoming samples are arranged. */
+		if (srd_inst_probe_set_all(di, pd_opthash) != SRD_OK) {
+			ret = 1;
+			goto err_out;
+		}
+		g_hash_table_destroy(pd_opthash);
+		pd_opthash = NULL;
 	}
 
-	/* Any keys left in the options hash are probes, where the key
-	 * is the probe name as specified in the decoder class, and the
-	 * value is the probe number i.e. the order in which the PD's
-	 * incoming samples are arranged. */
-	if (srd_instance_set_probes(di, pd) != SRD_OK)
-		return 1;
-
 err_out:
 	g_strfreev(pdtokens);
-	if (pd)
-		g_hash_table_destroy(pd);
+	if (pd_opthash)
+		g_hash_table_destroy(pd_opthash);
 	if (pd_name)
 		g_free(pd_name);
 
-	return 0;
+	return ret;
 }
 
-void show_pd_annotation(struct srd_proto_data *pdata)
+void show_pd_annotation(struct srd_proto_data *pdata, void *cb_data)
 {
 	int i;
 	char **annotations;
 
-	annotations = pdata->data;
+	/* 'cb_data' is not used in this specific callback. */
+	(void)cb_data;
+
 	if (pdata->ann_format != 0) {
-		/* CLI only shows the default annotation format */
+		/* CLI only shows the default annotation format. */
 		return;
 	}
 
-	if (!g_datalist_get_data(&pd_ann_visible, pdata->pdo->di->instance_id)) {
-		/* not in the list of PDs whose annotations we're showing */
+	if (!g_datalist_get_data(&pd_ann_visible, pdata->pdo->di->inst_id)) {
+		/* Not in the list of PDs whose annotations we're showing. */
 		return;
 	}
 
+	annotations = pdata->data;
 	if (opt_loglevel > SR_LOG_WARN)
 		printf("%"PRIu64"-%"PRIu64" ", pdata->start_sample, pdata->end_sample);
 	printf("%s: ", pdata->pdo->proto_id);
 	for (i = 0; annotations[i]; i++)
 		printf("\"%s\" ", annotations[i]);
 	printf("\n");
-
 }
 
-static int select_probes(struct sr_device *device)
+static int select_probes(struct sr_dev *dev)
 {
 	struct sr_probe *probe;
 	char **probelist;
@@ -552,7 +607,7 @@ static int select_probes(struct sr_device *device)
 	 * This only works because a device by default initializes
 	 * and enables all its probes.
 	 */
-	max_probes = g_slist_length(device->probes);
+	max_probes = g_slist_length(dev->probes);
 	probelist = parse_probestring(max_probes, opt_probes);
 	if (!probelist) {
 		return SR_ERR;
@@ -560,10 +615,10 @@ static int select_probes(struct sr_device *device)
 
 	for (i = 0; i < max_probes; i++) {
 		if (probelist[i]) {
-			sr_device_probe_name(device, i + 1, probelist[i]);
+			sr_dev_probe_name_set(dev, i + 1, probelist[i]);
 			g_free(probelist[i]);
 		} else {
-			probe = sr_device_probe_find(device, i + 1);
+			probe = sr_dev_probe_find(dev, i + 1);
 			probe->enabled = FALSE;
 		}
 	}
@@ -593,8 +648,7 @@ static struct sr_input_format *determine_input_file_format(
 	/* If there are no input formats, return NULL right away. */
 	inputs = sr_input_list();
 	if (!inputs) {
-		fprintf(stderr, "cli: %s: no supported input formats "
-			"available", __func__);
+		g_critical("No supported input formats available.");
 		return NULL;
 	}
 
@@ -603,14 +657,14 @@ static struct sr_input_format *determine_input_file_format(
 		for (i = 0; inputs[i]; i++) {
 			if (strcasecmp(inputs[i]->id, opt_input_format))
 				continue;
-			printf("Using user-specified input file format"
-			       " '%s'.\n", inputs[i]->id);
+			g_debug("Using user-specified input file format '%s'.",
+					inputs[i]->id);
 			return inputs[i];
 		}
 
 		/* The user specified an unknown input format, return NULL. */
-		fprintf(stderr, "Error: Specified input file format '%s' is "
-			"unknown.\n", opt_input_format);
+		g_critical("Error: specified input file format '%s' is "
+			"unknown.", opt_input_format);
 		return NULL;
 	}
 
@@ -622,11 +676,10 @@ static struct sr_input_format *determine_input_file_format(
 
 	/* Return NULL if no input module wanted to touch this. */
 	if (!inputs[i]) {
-		fprintf(stderr, "Error: No matching input module found.\n");
+		g_critical("Error: no matching input module found.");
 		return NULL;
 	}
 		
-	printf("Using input file format '%s'.\n", inputs[i]->id);
 	return inputs[i];
 }
 
@@ -636,40 +689,38 @@ static void load_input_file_format(void)
 	struct sr_input *in;
 	struct sr_input_format *input_format;
 
-	input_format = determine_input_file_format(opt_input_file,
-						   opt_input_format);
-	if (!input_format) {
-		fprintf(stderr, "Error: Couldn't detect input file format.\n");
+	if (!(input_format = determine_input_file_format(opt_input_file,
+						   opt_input_format)))
+		/* The exact cause was already logged. */
 		return;
-	}
 
 	if (stat(opt_input_file, &st) == -1) {
-		printf("Failed to load %s: %s\n", opt_input_file,
+		g_critical("Failed to load %s: %s", opt_input_file,
 			strerror(errno));
 		exit(1);
 	}
 
 	/* Initialize the input module. */
-	if (!(in = malloc(sizeof(struct sr_input)))) {
-		printf("Failed to allocate input module.\n");
+	if (!(in = g_try_malloc(sizeof(struct sr_input)))) {
+		g_critical("Failed to allocate input module.");
 		exit(1);
 	}
 	in->format = input_format;
 	in->param = input_format_param;
 	if (in->format->init) {
 		if (in->format->init(in) != SR_OK) {
-			printf("Input format init failed.\n");
+			g_critical("Input format init failed.");
 			exit(1);
 		}
 	}
 
-	if (select_probes(in->vdevice) > 0)
+	if (select_probes(in->vdev) > 0)
             return;
 
 	sr_session_new();
 	sr_session_datafeed_callback_add(datafeed_in);
-	if (sr_session_device_add(in->vdevice) != SR_OK) {
-		printf("Failed to use device.\n");
+	if (sr_session_dev_add(in->vdev) != SR_OK) {
+		g_critical("Failed to use device.");
 		sr_session_destroy();
 		return;
 	}
@@ -677,10 +728,9 @@ static void load_input_file_format(void)
 	input_format->loadfile(in, opt_input_file);
 	if (opt_output_file && default_output_format) {
 		if (sr_session_save(opt_output_file) != SR_OK)
-			printf("Failed to save session.\n");
+			g_critical("Failed to save session.");
 	}
 	sr_session_destroy();
-
 }
 
 static void load_input_file(void)
@@ -697,27 +747,26 @@ static void load_input_file(void)
 		/* fall back on input modules */
 		load_input_file_format();
 	}
-
 }
 
-int num_real_devices(void)
+int num_real_devs(void)
 {
-	struct sr_device *device;
-	GSList *devices, *l;
-	int num_devices;
-
-	num_devices = 0;
-	devices = sr_device_list();
-	for (l = devices; l; l = l->next) {
-		device = l->data;
-		if (!sr_device_has_hwcap(device, SR_HWCAP_DEMO_DEVICE))
-			num_devices++;
+	struct sr_dev *dev;
+	GSList *devs, *l;
+	int num_devs;
+
+	num_devs = 0;
+	devs = sr_dev_list();
+	for (l = devs; l; l = l->next) {
+		dev = l->data;
+		if (!sr_dev_has_hwcap(dev, SR_HWCAP_DEMO_DEV))
+			num_devs++;
 	}
 
-	return num_devices;
+	return num_devs;
 }
 
-static int set_device_options(struct sr_device *device, GHashTable *args)
+static int set_dev_options(struct sr_dev *dev, GHashTable *args)
 {
 	GHashTableIter iter;
 	gpointer key, value;
@@ -729,12 +778,12 @@ static int set_device_options(struct sr_device *device, GHashTable *args)
 	g_hash_table_iter_init(&iter, args);
 	while (g_hash_table_iter_next(&iter, &key, &value)) {
 		found = FALSE;
-		for (i = 0; sr_hwcap_options[i].capability; i++) {
+		for (i = 0; sr_hwcap_options[i].hwcap; i++) {
 			if (strcmp(sr_hwcap_options[i].shortname, key))
 				continue;
 			if ((value == NULL) && 
 			    (sr_hwcap_options[i].type != SR_T_BOOL)) {
-				printf("Option '%s' needs a value.\n", (char *)key);
+				g_critical("Option '%s' needs a value.", (char *)key);
 				return SR_ERR;
 			}
 			found = TRUE;
@@ -743,20 +792,20 @@ static int set_device_options(struct sr_device *device, GHashTable *args)
 				ret = sr_parse_sizestring(value, &tmp_u64);
 				if (ret != SR_OK)
 					break;
-				ret = device->plugin-> set_configuration(device-> plugin_index,
-						sr_hwcap_options[i]. capability, &tmp_u64);
+				ret = dev->driver->dev_config_set(dev->driver_index,
+					sr_hwcap_options[i].hwcap, &tmp_u64);
 				break;
 			case SR_T_CHAR:
-				ret = device->plugin-> set_configuration(device-> plugin_index,
-						sr_hwcap_options[i]. capability, value);
+				ret = dev->driver->dev_config_set(dev->driver_index,
+					sr_hwcap_options[i].hwcap, value);
 				break;
 			case SR_T_BOOL:
 				if (!value)
 					tmp_bool = TRUE;
 				else 
 					tmp_bool = sr_parse_boolstring(value);
-				ret = device->plugin-> set_configuration(device-> plugin_index,
-						sr_hwcap_options[i]. capability, 
+				ret = dev->driver->dev_config_set(dev->driver_index,
+						sr_hwcap_options[i].hwcap, 
 						GINT_TO_POINTER(tmp_bool));
 				break;
 			default:
@@ -764,14 +813,14 @@ static int set_device_options(struct sr_device *device, GHashTable *args)
 			}
 
 			if (ret != SR_OK) {
-				printf("Failed to set device option '%s'.\n", (char *)key);
+				g_critical("Failed to set device option '%s'.", (char *)key);
 				return ret;
 			}
 			else
 				break;
 		}
 		if (!found) {
-			printf("Unknown device option '%s'.\n", (char *) key);
+			g_critical("Unknown device option '%s'.", (char *) key);
 			return SR_ERR;
 		}
 	}
@@ -781,33 +830,33 @@ static int set_device_options(struct sr_device *device, GHashTable *args)
 
 static void run_session(void)
 {
-	struct sr_device *device;
+	struct sr_dev *dev;
 	GHashTable *devargs;
-	int num_devices, max_probes, *capabilities, i;
-	uint64_t tmp_u64, time_msec;
+	int num_devs, max_probes, i;
+	uint64_t time_msec;
 	char **probelist, *devspec;
 
 	devargs = NULL;
-	if (opt_device) {
-		devargs = parse_generic_arg(opt_device);
+	if (opt_dev) {
+		devargs = parse_generic_arg(opt_dev);
 		devspec = g_hash_table_lookup(devargs, "sigrok_key");
-		device = parse_devicestring(devspec);
-		if (!device) {
-			g_warning("Device not found.");
+		dev = parse_devstring(devspec);
+		if (!dev) {
+			g_critical("Device not found.");
 			return;
 		}
 		g_hash_table_remove(devargs, "sigrok_key");
 	} else {
-		num_devices = num_real_devices();
-		if (num_devices == 1) {
+		num_devs = num_real_devs();
+		if (num_devs == 1) {
 			/* No device specified, but there is only one. */
 			devargs = NULL;
-			device = parse_devicestring("0");
-		} else if (num_devices == 0) {
-			printf("No devices found.\n");
+			dev = parse_devstring("0");
+		} else if (num_devs == 0) {
+			g_critical("No devices found.");
 			return;
 		} else {
-			printf("%d devices found, please select one.\n", num_devices);
+			g_critical("%d devices found, please select one.", num_devs);
 			return;
 		}
 	}
@@ -815,43 +864,42 @@ static void run_session(void)
 	sr_session_new();
 	sr_session_datafeed_callback_add(datafeed_in);
 
-	if (sr_session_device_add(device) != SR_OK) {
-		printf("Failed to use device.\n");
+	if (sr_session_dev_add(dev) != SR_OK) {
+		g_critical("Failed to use device.");
 		sr_session_destroy();
 		return;
 	}
 
 	if (devargs) {
-		if (set_device_options(device, devargs) != SR_OK) {
+		if (set_dev_options(dev, devargs) != SR_OK) {
 			sr_session_destroy();
 			return;
 		}
 		g_hash_table_destroy(devargs);
 	}
 
-	if (select_probes(device) != SR_OK)
+	if (select_probes(dev) != SR_OK)
             return;
 
 	if (opt_continuous) {
-		capabilities = device->plugin->get_capabilities();
-		if (!sr_find_hwcap(capabilities, SR_HWCAP_CONTINUOUS)) {
-			printf("This device does not support continuous sampling.");
+		if (!sr_driver_hwcap_exists(dev->driver, SR_HWCAP_CONTINUOUS)) {
+			g_critical("This device does not support continuous sampling.");
 			sr_session_destroy();
 			return;
 		}
 	}
 
 	if (opt_triggers) {
-		probelist = sr_parse_triggerstring(device, opt_triggers);
+		probelist = sr_parse_triggerstring(dev, opt_triggers);
 		if (!probelist) {
 			sr_session_destroy();
 			return;
 		}
 
-		max_probes = g_slist_length(device->probes);
+		max_probes = g_slist_length(dev->probes);
 		for (i = 0; i < max_probes; i++) {
 			if (probelist[i]) {
-				sr_device_trigger_set(device, i + 1, probelist[i]);
+				sr_dev_trigger_set(dev, i + 1, probelist[i]);
 				g_free(probelist[i]);
 			}
 		}
@@ -861,16 +909,15 @@ static void run_session(void)
 	if (opt_time) {
 		time_msec = sr_parse_timestring(opt_time);
 		if (time_msec == 0) {
-			printf("Invalid time '%s'\n", opt_time);
+			g_critical("Invalid time '%s'", opt_time);
 			sr_session_destroy();
 			return;
 		}
 
-		capabilities = device->plugin->get_capabilities();
-		if (sr_find_hwcap(capabilities, SR_HWCAP_LIMIT_MSEC)) {
-			if (device->plugin->set_configuration(device->plugin_index,
-							  SR_HWCAP_LIMIT_MSEC, &time_msec) != SR_OK) {
-				printf("Failed to configure time limit.\n");
+		if (sr_driver_hwcap_exists(dev->driver, SR_HWCAP_LIMIT_MSEC)) {
+			if (dev->driver->dev_config_set(dev->driver_index,
+			    SR_HWCAP_LIMIT_MSEC, &time_msec) != SR_OK) {
+				g_critical("Failed to configure time limit.");
 				sr_session_destroy();
 				return;
 			}
@@ -880,20 +927,22 @@ static void run_session(void)
 			 * convert to samples based on the samplerate.
 			 */
 			limit_samples = 0;
-			if (sr_device_has_hwcap(device, SR_HWCAP_SAMPLERATE)) {
-				tmp_u64 = *((uint64_t *) device->plugin->get_device_info(
-						device->plugin_index, SR_DI_CUR_SAMPLERATE));
-				limit_samples = tmp_u64 * time_msec / (uint64_t) 1000;
+			if (sr_dev_has_hwcap(dev, SR_HWCAP_SAMPLERATE)) {
+				const uint64_t *samplerate;
+
+				sr_dev_info_get(dev, SR_DI_CUR_SAMPLERATE,
+						(const void **)&samplerate);
+				limit_samples = (*samplerate) * time_msec / (uint64_t)1000;
 			}
 			if (limit_samples == 0) {
-				printf("Not enough time at this samplerate.\n");
+				g_critical("Not enough time at this samplerate.");
 				sr_session_destroy();
 				return;
 			}
 
-			if (device->plugin->set_configuration(device->plugin_index,
-						  SR_HWCAP_LIMIT_SAMPLES, &limit_samples) != SR_OK) {
-				printf("Failed to configure time-based sample limit.\n");
+			if (dev->driver->dev_config_set(dev->driver_index,
+			    SR_HWCAP_LIMIT_SAMPLES, &limit_samples) != SR_OK) {
+				g_critical("Failed to configure time-based sample limit.");
 				sr_session_destroy();
 				return;
 			}
@@ -902,23 +951,23 @@ static void run_session(void)
 
 	if (opt_samples) {
 		if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)
-			|| (device->plugin->set_configuration(device->plugin_index,
-					SR_HWCAP_LIMIT_SAMPLES, &limit_samples) != SR_OK)) {
-			printf("Failed to configure sample limit.\n");
+			|| (dev->driver->dev_config_set(dev->driver_index,
+			    SR_HWCAP_LIMIT_SAMPLES, &limit_samples) != SR_OK)) {
+			g_critical("Failed to configure sample limit.");
 			sr_session_destroy();
 			return;
 		}
 	}
 
-	if (device->plugin->set_configuration(device->plugin_index,
-		  SR_HWCAP_PROBECONFIG, (char *)device->probes) != SR_OK) {
-		printf("Failed to configure probes.\n");
+	if (dev->driver->dev_config_set(dev->driver_index,
+		  SR_HWCAP_PROBECONFIG, (char *)dev->probes) != SR_OK) {
+		g_critical("Failed to configure probes.");
 		sr_session_destroy();
 		return;
 	}
 
 	if (sr_session_start() != SR_OK) {
-		printf("Failed to start session.\n");
+		g_critical("Failed to start session.");
 		sr_session_destroy();
 		return;
 	}
@@ -933,32 +982,26 @@ static void run_session(void)
 
 	if (opt_output_file && default_output_format) {
 		if (sr_session_save(opt_output_file) != SR_OK)
-			printf("Failed to save session.\n");
+			g_critical("Failed to save session.");
 	}
 	sr_session_destroy();
-
 }
 
 static void logger(const gchar *log_domain, GLogLevelFlags log_level,
-		   const gchar *message, gpointer user_data)
+		   const gchar *message, gpointer cb_data)
 {
 	/* Avoid compiler warnings. */
 	(void)log_domain;
-	(void)user_data;
+	(void)cb_data;
 
 	/*
 	 * All messages, warnings, errors etc. go to stderr (not stdout) in
 	 * order to not mess up the CLI tool data output, e.g. VCD output.
 	 */
-	if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_WARNING)) {
+	if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)
+			|| opt_loglevel > SR_LOG_WARN) {
 		fprintf(stderr, "%s\n", message);
 		fflush(stderr);
-	} else {
-		if ((log_level & G_LOG_LEVEL_MESSAGE && debug == 1)
-		    || debug == 2) {
-			printf("%s\n", message);
-			fflush(stderr);
-		}
 	}
 }
 
@@ -970,34 +1013,30 @@ int main(int argc, char **argv)
 	GHashTableIter iter;
 	gpointer key, value;
 	struct sr_output_format **outputs;
-	struct srd_decoder_instance *di_from, *di_to;
+	struct srd_decoder_inst *di_from, *di_to;
 	int i, ret;
 	char *fmtspec, **pds;
 
 	g_log_set_default_handler(logger, NULL);
-	if (getenv("SIGROK_DEBUG"))
-		debug = strtol(getenv("SIGROK_DEBUG"), NULL, 10);
 
 	error = NULL;
 	context = g_option_context_new(NULL);
 	g_option_context_add_main_entries(context, optargs, NULL);
 
 	if (!g_option_context_parse(context, &argc, &argv, &error)) {
-		g_warning("%s", error->message);
+		g_critical("%s", error->message);
 		return 1;
 	}
 
 	/* Set the loglevel (amount of messages to output) for libsigrok. */
-	if (sr_set_loglevel(opt_loglevel) != SR_OK) {
-		fprintf(stderr, "cli: %s: sr_set_loglevel(%d) failed\n",
-			__func__, opt_loglevel);
+	if (sr_log_loglevel_set(opt_loglevel) != SR_OK) {
+		g_critical("sr_log_loglevel_set(%d) failed.", opt_loglevel);
 		return 1;
 	}
 
 	/* Set the loglevel (amount of messages to output) for libsigrokdecode. */
-	if (srd_set_loglevel(opt_loglevel) != SRD_OK) {
-		fprintf(stderr, "cli: %s: srd_set_loglevel(%d) failed\n",
-			__func__, opt_loglevel);
+	if (srd_log_loglevel_set(opt_loglevel) != SRD_OK) {
+		g_critical("srd_log_loglevel_set(%d) failed.", opt_loglevel);
 		return 1;
 	}
 
@@ -1005,61 +1044,69 @@ int main(int argc, char **argv)
 		return 1;
 
 	if (opt_pds) {
-		if (srd_init() != SRD_OK) {
-			printf("Failed to initialize sigrokdecode\n");
+		if (srd_init(NULL) != SRD_OK) {
+			g_critical("Failed to initialize sigrokdecode.");
 			return 1;
 		}
 		if (register_pds(NULL, opt_pds) != 0) {
-			printf("Failed to register protocol decoders\n");
+			g_critical("Failed to register protocol decoders.");
 			return 1;
 		}
-		if (srd_register_callback(SRD_OUTPUT_ANN,
-				show_pd_annotation) != SRD_OK) {
-			printf("Failed to register protocol decoder callback\n");
+		if (srd_pd_output_callback_add(SRD_OUTPUT_ANN,
+				show_pd_annotation, NULL) != SRD_OK) {
+			g_critical("Failed to register protocol decoder callback.");
 			return 1;
 		}
-	}
 
-	if (opt_pd_stack) {
-		pds = g_strsplit(opt_pd_stack, ",", 0);
-		if (g_strv_length(pds) < 2) {
-			printf("Specify at least two protocol decoders to stack.\n");
-			return 1;
-		}
+		pds = g_strsplit(opt_pds, ",", 0);
+		if (g_strv_length(pds) > 1) {
+			if (opt_pd_stack) {
+				/* A stack setup was specified, use that. */
+				g_strfreev(pds);
+				pds = g_strsplit(opt_pd_stack, ",", 0);
+				if (g_strv_length(pds) < 2) {
+					g_strfreev(pds);
+					g_critical("Specify at least two protocol decoders to stack.");
+					return 1;
+				}
+			}
 
-		if (!(di_from = srd_instance_find(pds[0]))) {
-			printf("Cannot stack protocol decoder '%s': instance not found.\n", pds[0]);
-			return 1;
-		}
-		for (i = 1; pds[i]; i++) {
-			if (!(di_to = srd_instance_find(pds[i]))) {
-				printf("Cannot stack protocol decoder '%s': instance not found.\n", pds[i]);
+			if (!(di_from = srd_inst_find_by_id(pds[0]))) {
+				g_critical("Cannot stack protocol decoder '%s': "
+						"instance not found.", pds[0]);
 				return 1;
 			}
-			if ((ret = srd_instance_stack(di_from, di_to) != SRD_OK))
-				return ret;
+			for (i = 1; pds[i]; i++) {
+				if (!(di_to = srd_inst_find_by_id(pds[i]))) {
+					g_critical("Cannot stack protocol decoder '%s': "
+							"instance not found.", pds[i]);
+					return 1;
+				}
+				if ((ret = srd_inst_stack(di_from, di_to)) != SRD_OK)
+					return ret;
 
-			/* Don't show annotation from this PD. Only the last PD in
-			 * the stack will be left on the annotation list.
-			 */
-			g_datalist_remove_data(&pd_ann_visible, di_from->instance_id);
+				/* Don't show annotation from this PD. Only the last PD in
+				 * the stack will be left on the annotation list.
+				 */
+				g_datalist_remove_data(&pd_ann_visible, di_from->inst_id);
 
-			di_from = di_to;
+				di_from = di_to;
+			}
 		}
 		g_strfreev(pds);
 	}
 
-	if (!opt_format) {
-		opt_format = DEFAULT_OUTPUT_FORMAT;
+	if (!opt_output_format) {
+		opt_output_format = DEFAULT_OUTPUT_FORMAT;
 		/* we'll need to remember this so when saving to a file
 		 * later, sigrok session format will be used.
 		 */
 		default_output_format = TRUE;
 	}
-	fmtargs = parse_generic_arg(opt_format);
+	fmtargs = parse_generic_arg(opt_output_format);
 	fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
 	if (!fmtspec) {
-		printf("Invalid output format.\n");
+		g_critical("Invalid output format.");
 		return 1;
 	}
 	outputs = sr_output_list();
@@ -1078,20 +1125,20 @@ int main(int argc, char **argv)
 		break;
 	}
 	if (!output_format) {
-		printf("invalid output format %s\n", opt_format);
+		g_critical("Invalid output format %s.", opt_output_format);
 		return 1;
 	}
 
 	if (opt_version)
 		show_version();
-	else if (opt_list_devices)
-		show_device_list();
+	else if (opt_list_devs)
+		show_dev_list();
 	else if (opt_input_file)
 		load_input_file();
 	else if (opt_samples || opt_time || opt_continuous)
 		run_session();
-	else if (opt_device)
-		show_device_detail();
+	else if (opt_dev)
+		show_dev_detail();
 	else if (opt_pds)
 		show_pd_detail();
 	else